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source: git/configure @ 354f3b

spielwiese

Last change on this file since 354f3b was 354f3b, checked in by Olaf Bachmann <obachman@…>, 24 years ago
Changes to docu and install git-svn-id: file:///usr/local/Singular/svn/trunk@3933 2c84dea3-7e68-4137-9b89-c4e89433aadc
Property mode set to `100755`
File size: 81.7 KB

Line
1	#! /bin/sh
2
3	# Guess values for system-dependent variables and create Makefiles.
4	# Generated automatically using autoconf version 2.13
5	# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
6	#
7	# This configure script is free software; the Free Software Foundation
8	# gives unlimited permission to copy, distribute and modify it.
9
10	# Defaults:
11	ac_help=
12	ac_default_prefix=/usr/local
13	# Any additions from configure.in:
14	ac_default_prefix=`pwd`
15	ac_help="$ac_help
16	\
17	--with-tmpdir=DIR use DIR as temporary directory"
18	ac_help="$ac_help
19	--with-perl5=[PERL5,no] uses PERL5 as perl5 program, default is perl5"
20	ac_help="$ac_help
21	\
22	--enable-PACKAGE configure and build PACKAGE
23	--disable-PACKAGE do not configure and build PACKAGE
24	where PACKAGE can be:
25	smallgmp minimal version of gmp written in C only"
26	ac_help="$ac_help
27	\
28	gmp Gnu Multiple Precision package"
29	ac_help="$ac_help
30	\
31	MP Multi Protocol library"
32	ac_help="$ac_help
33	\
34	factory polynomial factorization library"
35	ac_help="$ac_help
36	\
37	libfac char set and modp poly factorization library"
38	ac_help="$ac_help
39	\
40	sgroup numerical semigroup computations"
41	ac_help="$ac_help
42	\
43	Singular CAS for Polynomial Computations"
44	ac_help="$ac_help
45	\
46	Texinfo Texinfo for info, texi2dvi, makeinfo"
47	ac_help="$ac_help
48	\
49	--with-PACKAGE use PACKAGE, provide dependent functionality
50	--without-PACKAGE do not use PACKAGE, disable dependent functionality
51	where PACKAGE can be:
52	MP Multi Protocol library"
53	ac_help="$ac_help
54	\
55	factory polynomial factorization library"
56	ac_help="$ac_help
57	\
58	libfac char set and modp poly factorization library"
59	ac_help="$ac_help
60	\
61	--with-apint=PACKAGE use PACKAGE for arbitary integer arithmetic
62	where PACKAGE can be gmp or smallgmp
63	All additional --enable and --with options are passed to subsequent calls
64	to configure of the packages to be built. See also configure --help in
65	these packages (resp. subdirs). "
66
67	# Initialize some variables set by options.
68	# The variables have the same names as the options, with
69	# dashes changed to underlines.
70	build=NONE
71	cache_file=./config.cache
72	exec_prefix=NONE
73	host=NONE
74	no_create=
75	nonopt=NONE
76	no_recursion=
77	prefix=NONE
78	program_prefix=NONE
79	program_suffix=NONE
80	program_transform_name=s,x,x,
81	silent=
82	site=
83	srcdir=
84	target=NONE
85	verbose=
86	x_includes=NONE
87	x_libraries=NONE
88	bindir='${exec_prefix}/bin'
89	sbindir='${exec_prefix}/sbin'
90	libexecdir='${exec_prefix}/libexec'
91	datadir='${prefix}/share'
92	sysconfdir='${prefix}/etc'
93	sharedstatedir='${prefix}/com'
94	localstatedir='${prefix}/var'
95	libdir='${exec_prefix}/lib'
96	includedir='${prefix}/include'
97	oldincludedir='/usr/include'
98	infodir='${prefix}/info'
99	mandir='${prefix}/man'
100
101	# Initialize some other variables.
102	subdirs=
103	MFLAGS= MAKEFLAGS=
104	SHELL=${CONFIG_SHELL-/bin/sh}
105	# Maximum number of lines to put in a shell here document.
106	ac_max_here_lines=12
107
108	ac_prev=
109	for ac_option
110	do
111
112	# If the previous option needs an argument, assign it.
113	if test -n "$ac_prev"; then
114	eval "$ac_prev=\$ac_option"
115	ac_prev=
116	continue
117	fi
118
119	case "$ac_option" in
120	-=) ac_optarg=`echo "$ac_option" \| sed 's/[-_a-zA-Z0-9]*=//'` ;;
121	*) ac_optarg= ;;
122	esac
123
124	# Accept the important Cygnus configure options, so we can diagnose typos.
125
126	case "$ac_option" in
127
128	-bindir \| --bindir \| --bindi \| --bind \| --bin \| --bi)
129	ac_prev=bindir ;;
130	-bindir=* \| --bindir=* \| --bindi=* \| --bind=* \| --bin=* \| --bi=*)
131	bindir="$ac_optarg" ;;
132
133	-build \| --build \| --buil \| --bui \| --bu)
134	ac_prev=build ;;
135	-build=* \| --build=* \| --buil=* \| --bui=* \| --bu=*)
136	build="$ac_optarg" ;;
137
138	-cache-file \| --cache-file \| --cache-fil \| --cache-fi \
139	\| --cache-f \| --cache- \| --cache \| --cach \| --cac \| --ca \| --c)
140	ac_prev=cache_file ;;
141	-cache-file=* \| --cache-file=* \| --cache-fil=* \| --cache-fi=* \
142	\| --cache-f=* \| --cache-=* \| --cache=* \| --cach=* \| --cac=* \| --ca=* \| --c=*)
143	cache_file="$ac_optarg" ;;
144
145	-datadir \| --datadir \| --datadi \| --datad \| --data \| --dat \| --da)
146	ac_prev=datadir ;;
147	-datadir=* \| --datadir=* \| --datadi=* \| --datad=* \| --data=* \| --dat=* \
148	\| --da=*)
149	datadir="$ac_optarg" ;;
150
151	-disable-* \| --disable-*)
152	ac_feature=`echo $ac_option\|sed -e 's/-*disable-//'`
153	# Reject names that are not valid shell variable names.
154	if test -n "`echo $ac_feature\| sed 's/[-a-zA-Z0-9_]//g'`"; then
155	{ echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
156	fi
157	ac_feature=`echo $ac_feature\| sed 's/-/_/g'`
158	eval "enable_${ac_feature}=no" ;;
159
160	-enable-* \| --enable-*)
161	ac_feature=`echo $ac_option\|sed -e 's/-enable-//' -e 's/=.//'`
162	# Reject names that are not valid shell variable names.
163	if test -n "`echo $ac_feature\| sed 's/[-_a-zA-Z0-9]//g'`"; then
164	{ echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
165	fi
166	ac_feature=`echo $ac_feature\| sed 's/-/_/g'`
167	case "$ac_option" in
168	=) ;;
169	*) ac_optarg=yes ;;
170	esac
171	eval "enable_${ac_feature}='$ac_optarg'" ;;
172
173	-exec-prefix \| --exec_prefix \| --exec-prefix \| --exec-prefi \
174	\| --exec-pref \| --exec-pre \| --exec-pr \| --exec-p \| --exec- \
175	\| --exec \| --exe \| --ex)
176	ac_prev=exec_prefix ;;
177	-exec-prefix=* \| --exec_prefix=* \| --exec-prefix=* \| --exec-prefi=* \
178	\| --exec-pref=* \| --exec-pre=* \| --exec-pr=* \| --exec-p=* \| --exec-=* \
179	\| --exec=* \| --exe=* \| --ex=*)
180	exec_prefix="$ac_optarg" ;;
181
182	-gas \| --gas \| --ga \| --g)
183	# Obsolete; use --with-gas.
184	with_gas=yes ;;
185
186	-help \| --help \| --hel \| --he)
187	# Omit some internal or obsolete options to make the list less imposing.
188	# This message is too long to be a string in the A/UX 3.1 sh.
189	cat << EOF
190	Usage: configure [options] [host]
191	Options: [defaults in brackets after descriptions]
192	Configuration:
193	--cache-file=FILE cache test results in FILE
194	--help print this message
195	--no-create do not create output files
196	--quiet, --silent do not print \`checking...' messages
197	--version print the version of autoconf that created configure
198	Directory and file names:
199	--prefix=PREFIX install architecture-independent files in PREFIX
200	[$ac_default_prefix]
201	--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
202	[same as prefix]
203	--bindir=DIR user executables in DIR [EPREFIX/bin]
204	--sbindir=DIR system admin executables in DIR [EPREFIX/sbin]
205	--libexecdir=DIR program executables in DIR [EPREFIX/libexec]
206	--datadir=DIR read-only architecture-independent data in DIR
207	[PREFIX/share]
208	--sysconfdir=DIR read-only single-machine data in DIR [PREFIX/etc]
209	--sharedstatedir=DIR modifiable architecture-independent data in DIR
210	[PREFIX/com]
211	--localstatedir=DIR modifiable single-machine data in DIR [PREFIX/var]
212	--libdir=DIR object code libraries in DIR [EPREFIX/lib]
213	--includedir=DIR C header files in DIR [PREFIX/include]
214	--oldincludedir=DIR C header files for non-gcc in DIR [/usr/include]
215	--infodir=DIR info documentation in DIR [PREFIX/info]
216	--mandir=DIR man documentation in DIR [PREFIX/man]
217	--srcdir=DIR find the sources in DIR [configure dir or ..]
218	--program-prefix=PREFIX prepend PREFIX to installed program names
219	--program-suffix=SUFFIX append SUFFIX to installed program names
220	--program-transform-name=PROGRAM
221	run sed PROGRAM on installed program names
222	EOF
223	cat << EOF
224	Host type:
225	--build=BUILD configure for building on BUILD [BUILD=HOST]
226	--host=HOST configure for HOST [guessed]
227	--target=TARGET configure for TARGET [TARGET=HOST]
228	Features and packages:
229	--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
230	--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
231	--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
232	--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
233	--x-includes=DIR X include files are in DIR
234	--x-libraries=DIR X library files are in DIR
235	EOF
236	if test -n "$ac_help"; then
237	echo "--enable and --with options recognized:$ac_help"
238	fi
239	exit 0 ;;
240
241	-host \| --host \| --hos \| --ho)
242	ac_prev=host ;;
243	-host=* \| --host=* \| --hos=* \| --ho=*)
244	host="$ac_optarg" ;;
245
246	-includedir \| --includedir \| --includedi \| --included \| --include \
247	\| --includ \| --inclu \| --incl \| --inc)
248	ac_prev=includedir ;;
249	-includedir=* \| --includedir=* \| --includedi=* \| --included=* \| --include=* \
250	\| --includ=* \| --inclu=* \| --incl=* \| --inc=*)
251	includedir="$ac_optarg" ;;
252
253	-infodir \| --infodir \| --infodi \| --infod \| --info \| --inf)
254	ac_prev=infodir ;;
255	-infodir=* \| --infodir=* \| --infodi=* \| --infod=* \| --info=* \| --inf=*)
256	infodir="$ac_optarg" ;;
257
258	-libdir \| --libdir \| --libdi \| --libd)
259	ac_prev=libdir ;;
260	-libdir=* \| --libdir=* \| --libdi=* \| --libd=*)
261	libdir="$ac_optarg" ;;
262
263	-libexecdir \| --libexecdir \| --libexecdi \| --libexecd \| --libexec \
264	\| --libexe \| --libex \| --libe)
265	ac_prev=libexecdir ;;
266	-libexecdir=* \| --libexecdir=* \| --libexecdi=* \| --libexecd=* \| --libexec=* \
267	\| --libexe=* \| --libex=* \| --libe=*)
268	libexecdir="$ac_optarg" ;;
269
270	-localstatedir \| --localstatedir \| --localstatedi \| --localstated \
271	\| --localstate \| --localstat \| --localsta \| --localst \
272	\| --locals \| --local \| --loca \| --loc \| --lo)
273	ac_prev=localstatedir ;;
274	-localstatedir=* \| --localstatedir=* \| --localstatedi=* \| --localstated=* \
275	\| --localstate=* \| --localstat=* \| --localsta=* \| --localst=* \
276	\| --locals=* \| --local=* \| --loca=* \| --loc=* \| --lo=*)
277	localstatedir="$ac_optarg" ;;
278
279	-mandir \| --mandir \| --mandi \| --mand \| --man \| --ma \| --m)
280	ac_prev=mandir ;;
281	-mandir=* \| --mandir=* \| --mandi=* \| --mand=* \| --man=* \| --ma=* \| --m=*)
282	mandir="$ac_optarg" ;;
283
284	-nfp \| --nfp \| --nf)
285	# Obsolete; use --without-fp.
286	with_fp=no ;;
287
288	-no-create \| --no-create \| --no-creat \| --no-crea \| --no-cre \
289	\| --no-cr \| --no-c)
290	no_create=yes ;;
291
292	-no-recursion \| --no-recursion \| --no-recursio \| --no-recursi \
293	\| --no-recurs \| --no-recur \| --no-recu \| --no-rec \| --no-re \| --no-r)
294	no_recursion=yes ;;
295
296	-oldincludedir \| --oldincludedir \| --oldincludedi \| --oldincluded \
297	\| --oldinclude \| --oldinclud \| --oldinclu \| --oldincl \| --oldinc \
298	\| --oldin \| --oldi \| --old \| --ol \| --o)
299	ac_prev=oldincludedir ;;
300	-oldincludedir=* \| --oldincludedir=* \| --oldincludedi=* \| --oldincluded=* \
301	\| --oldinclude=* \| --oldinclud=* \| --oldinclu=* \| --oldincl=* \| --oldinc=* \
302	\| --oldin=* \| --oldi=* \| --old=* \| --ol=* \| --o=*)
303	oldincludedir="$ac_optarg" ;;
304
305	-prefix \| --prefix \| --prefi \| --pref \| --pre \| --pr \| --p)
306	ac_prev=prefix ;;
307	-prefix=* \| --prefix=* \| --prefi=* \| --pref=* \| --pre=* \| --pr=* \| --p=*)
308	prefix="$ac_optarg" ;;
309
310	-program-prefix \| --program-prefix \| --program-prefi \| --program-pref \
311	\| --program-pre \| --program-pr \| --program-p)
312	ac_prev=program_prefix ;;
313	-program-prefix=* \| --program-prefix=* \| --program-prefi=* \
314	\| --program-pref=* \| --program-pre=* \| --program-pr=* \| --program-p=*)
315	program_prefix="$ac_optarg" ;;
316
317	-program-suffix \| --program-suffix \| --program-suffi \| --program-suff \
318	\| --program-suf \| --program-su \| --program-s)
319	ac_prev=program_suffix ;;
320	-program-suffix=* \| --program-suffix=* \| --program-suffi=* \
321	\| --program-suff=* \| --program-suf=* \| --program-su=* \| --program-s=*)
322	program_suffix="$ac_optarg" ;;
323
324	-program-transform-name \| --program-transform-name \
325	\| --program-transform-nam \| --program-transform-na \
326	\| --program-transform-n \| --program-transform- \
327	\| --program-transform \| --program-transfor \
328	\| --program-transfo \| --program-transf \
329	\| --program-trans \| --program-tran \
330	\| --progr-tra \| --program-tr \| --program-t)
331	ac_prev=program_transform_name ;;
332	-program-transform-name=* \| --program-transform-name=* \
333	\| --program-transform-nam=* \| --program-transform-na=* \
334	\| --program-transform-n=* \| --program-transform-=* \
335	\| --program-transform=* \| --program-transfor=* \
336	\| --program-transfo=* \| --program-transf=* \
337	\| --program-trans=* \| --program-tran=* \
338	\| --progr-tra=* \| --program-tr=* \| --program-t=*)
339	program_transform_name="$ac_optarg" ;;
340
341	-q \| -quiet \| --quiet \| --quie \| --qui \| --qu \| --q \
342	\| -silent \| --silent \| --silen \| --sile \| --sil)
343	silent=yes ;;
344
345	-sbindir \| --sbindir \| --sbindi \| --sbind \| --sbin \| --sbi \| --sb)
346	ac_prev=sbindir ;;
347	-sbindir=* \| --sbindir=* \| --sbindi=* \| --sbind=* \| --sbin=* \
348	\| --sbi=* \| --sb=*)
349	sbindir="$ac_optarg" ;;
350
351	-sharedstatedir \| --sharedstatedir \| --sharedstatedi \
352	\| --sharedstated \| --sharedstate \| --sharedstat \| --sharedsta \
353	\| --sharedst \| --shareds \| --shared \| --share \| --shar \
354	\| --sha \| --sh)
355	ac_prev=sharedstatedir ;;
356	-sharedstatedir=* \| --sharedstatedir=* \| --sharedstatedi=* \
357	\| --sharedstated=* \| --sharedstate=* \| --sharedstat=* \| --sharedsta=* \
358	\| --sharedst=* \| --shareds=* \| --shared=* \| --share=* \| --shar=* \
359	\| --sha=* \| --sh=*)
360	sharedstatedir="$ac_optarg" ;;
361
362	-site \| --site \| --sit)
363	ac_prev=site ;;
364	-site=* \| --site=* \| --sit=*)
365	site="$ac_optarg" ;;
366
367	-srcdir \| --srcdir \| --srcdi \| --srcd \| --src \| --sr)
368	ac_prev=srcdir ;;
369	-srcdir=* \| --srcdir=* \| --srcdi=* \| --srcd=* \| --src=* \| --sr=*)
370	srcdir="$ac_optarg" ;;
371
372	-sysconfdir \| --sysconfdir \| --sysconfdi \| --sysconfd \| --sysconf \
373	\| --syscon \| --sysco \| --sysc \| --sys \| --sy)
374	ac_prev=sysconfdir ;;
375	-sysconfdir=* \| --sysconfdir=* \| --sysconfdi=* \| --sysconfd=* \| --sysconf=* \
376	\| --syscon=* \| --sysco=* \| --sysc=* \| --sys=* \| --sy=*)
377	sysconfdir="$ac_optarg" ;;
378
379	-target \| --target \| --targe \| --targ \| --tar \| --ta \| --t)
380	ac_prev=target ;;
381	-target=* \| --target=* \| --targe=* \| --targ=* \| --tar=* \| --ta=* \| --t=*)
382	target="$ac_optarg" ;;
383
384	-v \| -verbose \| --verbose \| --verbos \| --verbo \| --verb)
385	verbose=yes ;;
386
387	-version \| --version \| --versio \| --versi \| --vers)
388	echo "configure generated by autoconf version 2.13"
389	exit 0 ;;
390
391	-with-* \| --with-*)
392	ac_package=`echo $ac_option\|sed -e 's/-with-//' -e 's/=.//'`
393	# Reject names that are not valid shell variable names.
394	if test -n "`echo $ac_package\| sed 's/[-_a-zA-Z0-9]//g'`"; then
395	{ echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
396	fi
397	ac_package=`echo $ac_package\| sed 's/-/_/g'`
398	case "$ac_option" in
399	=) ;;
400	*) ac_optarg=yes ;;
401	esac
402	eval "with_${ac_package}='$ac_optarg'" ;;
403
404	-without-* \| --without-*)
405	ac_package=`echo $ac_option\|sed -e 's/-*without-//'`
406	# Reject names that are not valid shell variable names.
407	if test -n "`echo $ac_package\| sed 's/[-a-zA-Z0-9_]//g'`"; then
408	{ echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
409	fi
410	ac_package=`echo $ac_package\| sed 's/-/_/g'`
411	eval "with_${ac_package}=no" ;;
412
413	--x)
414	# Obsolete; use --with-x.
415	with_x=yes ;;
416
417	-x-includes \| --x-includes \| --x-include \| --x-includ \| --x-inclu \
418	\| --x-incl \| --x-inc \| --x-in \| --x-i)
419	ac_prev=x_includes ;;
420	-x-includes=* \| --x-includes=* \| --x-include=* \| --x-includ=* \| --x-inclu=* \
421	\| --x-incl=* \| --x-inc=* \| --x-in=* \| --x-i=*)
422	x_includes="$ac_optarg" ;;
423
424	-x-libraries \| --x-libraries \| --x-librarie \| --x-librari \
425	\| --x-librar \| --x-libra \| --x-libr \| --x-lib \| --x-li \| --x-l)
426	ac_prev=x_libraries ;;
427	-x-libraries=* \| --x-libraries=* \| --x-librarie=* \| --x-librari=* \
428	\| --x-librar=* \| --x-libra=* \| --x-libr=* \| --x-lib=* \| --x-li=* \| --x-l=*)
429	x_libraries="$ac_optarg" ;;
430
431	-*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
432	;;
433
434	*)
435	if test -n "`echo $ac_option\| sed 's/[-a-z0-9.]//g'`"; then
436	echo "configure: warning: $ac_option: invalid host type" 1>&2
437	fi
438	if test "x$nonopt" != xNONE; then
439	{ echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; }
440	fi
441	nonopt="$ac_option"
442	;;
443
444	esac
445	done
446
447	if test -n "$ac_prev"; then
448	{ echo "configure: error: missing argument to --`echo $ac_prev \| sed 's/_/-/g'`" 1>&2; exit 1; }
449	fi
450
451	trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
452
453	# File descriptor usage:
454	# 0 standard input
455	# 1 file creation
456	# 2 errors and warnings
457	# 3 some systems may open it to /dev/tty
458	# 4 used on the Kubota Titan
459	# 6 checking for... messages and results
460	# 5 compiler messages saved in config.log
461	if test "$silent" = yes; then
462	exec 6>/dev/null
463	else
464	exec 6>&1
465	fi
466	exec 5>./config.log
467
468	echo "\
469	This file contains any messages produced by compilers while
470	running configure, to aid debugging if configure makes a mistake.
471	" 1>&5
472
473	# Strip out --no-create and --no-recursion so they do not pile up.
474	# Also quote any args containing shell metacharacters.
475	ac_configure_args=
476	for ac_arg
477	do
478	case "$ac_arg" in
479	-no-create \| --no-create \| --no-creat \| --no-crea \| --no-cre \
480	\| --no-cr \| --no-c) ;;
481	-no-recursion \| --no-recursion \| --no-recursio \| --no-recursi \
482	\| --no-recurs \| --no-recur \| --no-recu \| --no-rec \| --no-re \| --no-r) ;;
483	" "\|" "\|[\[\]\~\#\$\^\&\\{\}\\\\|\;\<\>\?]*)
484	ac_configure_args="$ac_configure_args '$ac_arg'" ;;
485	*) ac_configure_args="$ac_configure_args $ac_arg" ;;
486	esac
487	done
488
489	# NLS nuisances.
490	# Only set these to C if already set. These must not be set unconditionally
491	# because not all systems understand e.g. LANG=C (notably SCO).
492	# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
493	# Non-C LC_CTYPE values break the ctype check.
494	if test "${LANG+set}" = set; then LANG=C; export LANG; fi
495	if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
496	if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
497	if test "${LC_CTYPE+set}" = set; then LC_CTYPE=C; export LC_CTYPE; fi
498
499	# confdefs.h avoids OS command line length limits that DEFS can exceed.
500	rm -rf conftest* confdefs.h
501	# AIX cpp loses on an empty file, so make sure it contains at least a newline.
502	echo > confdefs.h
503
504	# A filename unique to this package, relative to the directory that
505	# configure is in, which we can look for to find out if srcdir is correct.
506	ac_unique_file=Singular/matpol.h
507
508	# Find the source files, if location was not specified.
509	if test -z "$srcdir"; then
510	ac_srcdir_defaulted=yes
511	# Try the directory containing this script, then its parent.
512	ac_prog=$0
513	ac_confdir=`echo $ac_prog\|sed 's%/[^/][^/]*$%%'`
514	test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
515	srcdir=$ac_confdir
516	if test ! -r $srcdir/$ac_unique_file; then
517	srcdir=..
518	fi
519	else
520	ac_srcdir_defaulted=no
521	fi
522	if test ! -r $srcdir/$ac_unique_file; then
523	if test "$ac_srcdir_defaulted" = yes; then
524	{ echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; }
525	else
526	{ echo "configure: error: can not find sources in $srcdir" 1>&2; exit 1; }
527	fi
528	fi
529	srcdir=`echo "${srcdir}" \| sed 's%$[^/]$/*$%\1%'`
530
531	# Prefer explicitly selected file to automatically selected ones.
532	if test -z "$CONFIG_SITE"; then
533	if test "x$prefix" != xNONE; then
534	CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
535	else
536	CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
537	fi
538	fi
539	for ac_site_file in $CONFIG_SITE; do
540	if test -r "$ac_site_file"; then
541	echo "loading site script $ac_site_file"
542	. "$ac_site_file"
543	fi
544	done
545
546	if test -r "$cache_file"; then
547	echo "loading cache $cache_file"
548	. $cache_file
549	else
550	echo "creating cache $cache_file"
551	> $cache_file
552	fi
553
554	ac_ext=c
555	# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
556	ac_cpp='$CPP $CPPFLAGS'
557	ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
558	ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
559	cross_compiling=$ac_cv_prog_cc_cross
560
561	ac_exeext=
562	ac_objext=o
563	if (echo "testing\c"; echo 1,2,3) \| grep c >/dev/null; then
564	# Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
565	if (echo -n testing; echo 1,2,3) \| sed s/-n/xn/ \| grep xn >/dev/null; then
566	ac_n= ac_c='
567	' ac_t=' '
568	else
569	ac_n=-n ac_c= ac_t=
570	fi
571	else
572	ac_n= ac_c='\c' ac_t=
573	fi
574
575
576
577	OUTPUT_MAKEFILES="Makefile doc/Makefile doc/version.texi doc/uname.texi"
578	if test -d "rpm"; then
579	OUTPUT_MAKEFILES=$OUTPUT_MAKEFILES" rpm/Makefile"
580	OUTPUT_MAKEFILES=$OUTPUT_MAKEFILES" rpm/rpmrc rpm/Singular.spec"
581	fi
582	if test -d "modules"; then
583	OUTPUT_MAKEFILES=$OUTPUT_MAKEFILES" modules/Makefile"
584	fi
585	if test -d "modules/tools"; then
586	OUTPUT_MAKEFILES=$OUTPUT_MAKEFILES" modules/tools/Makefile"
587	fi
588	if test -d "emacs"; then
589	OUTPUT_MAKEFILES=$OUTPUT_MAKEFILES" emacs/Makefile"
590	fi
591
592	echo $ac_n "checking uname for singular""... $ac_c" 1>&6
593	echo "configure:594: checking uname for singular" >&5
594	if eval "test \"`echo '$''{'ac_cv_singuname'+set}'`\" = set"; then
595	echo $ac_n "(cached) $ac_c" 1>&6
596	else
597	ac_cv_singuname="unknown"
598	if test -r "singuname.sh"; then
599	if (/bin/sh singuname.sh >/dev/null 2>&1) then
600	ac_cv_singuname=`/bin/sh singuname.sh`
601	fi
602	fi
603
604	fi
605
606	echo "$ac_t""$ac_cv_singuname" 1>&6
607	if test "$ac_cv_singuname" = unknown; then
608	{ echo "configure: error: Unknown architecture: Check singuname.sh" 1>&2; exit 1; }
609	else
610	SINGUNAME=$ac_cv_singuname
611
612	fi
613
614	VERSION_SEP="-"
615
616	# make them to env variables
617	# pass them indirectly to subsequent configures
618	SINGULAR_MAJOR_VERSION=1
619	SINGULAR_MINOR_VERSION=3
620	SINGULAR_SUB_VERSION=6
621	SINGULAR_SHORT_VERSION="${SINGULAR_MAJOR_VERSION}${VERSION_SEP}${SINGULAR_MINOR_VERSION}"
622	SINGULAR_VERSION="${SINGULAR_SHORT_VERSION}${VERSION_SEP}${SINGULAR_SUB_VERSION}"
623	VERSION_DATE="October 1999"
624
625	export SINGULAR_MINOR_VERSION
626	export SINGULAR_MAJOR_VERSION
627	export SINGULAR_SUB_VERSION
628	export SINGULAR_VERSION
629	export VERSION_DATE
630
631
632
633
634
635	# Extract the first word of "gcc", so it can be a program name with args.
636	set dummy gcc; ac_word=$2
637	echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
638	echo "configure:639: checking for $ac_word" >&5
639	if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
640	echo $ac_n "(cached) $ac_c" 1>&6
641	else
642	if test -n "$CC"; then
643	ac_cv_prog_CC="$CC" # Let the user override the test.
644	else
645	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
646	ac_dummy="$PATH"
647	for ac_dir in $ac_dummy; do
648	test -z "$ac_dir" && ac_dir=.
649	if test -f $ac_dir/$ac_word; then
650	ac_cv_prog_CC="gcc"
651	break
652	fi
653	done
654	IFS="$ac_save_ifs"
655	fi
656	fi
657	CC="$ac_cv_prog_CC"
658	if test -n "$CC"; then
659	echo "$ac_t""$CC" 1>&6
660	else
661	echo "$ac_t""no" 1>&6
662	fi
663
664	if test -z "$CC"; then
665	# Extract the first word of "cc", so it can be a program name with args.
666	set dummy cc; ac_word=$2
667	echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
668	echo "configure:669: checking for $ac_word" >&5
669	if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
670	echo $ac_n "(cached) $ac_c" 1>&6
671	else
672	if test -n "$CC"; then
673	ac_cv_prog_CC="$CC" # Let the user override the test.
674	else
675	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
676	ac_prog_rejected=no
677	ac_dummy="$PATH"
678	for ac_dir in $ac_dummy; do
679	test -z "$ac_dir" && ac_dir=.
680	if test -f $ac_dir/$ac_word; then
681	if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
682	ac_prog_rejected=yes
683	continue
684	fi
685	ac_cv_prog_CC="cc"
686	break
687	fi
688	done
689	IFS="$ac_save_ifs"
690	if test $ac_prog_rejected = yes; then
691	# We found a bogon in the path, so make sure we never use it.
692	set dummy $ac_cv_prog_CC
693	shift
694	if test $# -gt 0; then
695	# We chose a different compiler from the bogus one.
696	# However, it has the same basename, so the bogon will be chosen
697	# first if we set CC to just the basename; use the full file name.
698	shift
699	set dummy "$ac_dir/$ac_word" "$@"
700	shift
701	ac_cv_prog_CC="$@"
702	fi
703	fi
704	fi
705	fi
706	CC="$ac_cv_prog_CC"
707	if test -n "$CC"; then
708	echo "$ac_t""$CC" 1>&6
709	else
710	echo "$ac_t""no" 1>&6
711	fi
712
713	if test -z "$CC"; then
714	case "`uname -s`" in
715	win32 \| WIN32)
716	# Extract the first word of "cl", so it can be a program name with args.
717	set dummy cl; ac_word=$2
718	echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
719	echo "configure:720: checking for $ac_word" >&5
720	if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
721	echo $ac_n "(cached) $ac_c" 1>&6
722	else
723	if test -n "$CC"; then
724	ac_cv_prog_CC="$CC" # Let the user override the test.
725	else
726	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
727	ac_dummy="$PATH"
728	for ac_dir in $ac_dummy; do
729	test -z "$ac_dir" && ac_dir=.
730	if test -f $ac_dir/$ac_word; then
731	ac_cv_prog_CC="cl"
732	break
733	fi
734	done
735	IFS="$ac_save_ifs"
736	fi
737	fi
738	CC="$ac_cv_prog_CC"
739	if test -n "$CC"; then
740	echo "$ac_t""$CC" 1>&6
741	else
742	echo "$ac_t""no" 1>&6
743	fi
744	;;
745	esac
746	fi
747	test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
748	fi
749
750	echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
751	echo "configure:752: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
752
753	ac_ext=c
754	# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
755	ac_cpp='$CPP $CPPFLAGS'
756	ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
757	ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
758	cross_compiling=$ac_cv_prog_cc_cross
759
760	cat > conftest.$ac_ext << EOF
761
762	#line 763 "configure"
763	#include "confdefs.h"
764
765	main(){return(0);}
766	EOF
767	if { (eval echo configure:768: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
768	ac_cv_prog_cc_works=yes
769	# If we can't run a trivial program, we are probably using a cross compiler.
770	if (./conftest; exit) 2>/dev/null; then
771	ac_cv_prog_cc_cross=no
772	else
773	ac_cv_prog_cc_cross=yes
774	fi
775	else
776	echo "configure: failed program was:" >&5
777	cat conftest.$ac_ext >&5
778	ac_cv_prog_cc_works=no
779	fi
780	rm -fr conftest*
781	ac_ext=c
782	# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
783	ac_cpp='$CPP $CPPFLAGS'
784	ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
785	ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
786	cross_compiling=$ac_cv_prog_cc_cross
787
788	echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
789	if test $ac_cv_prog_cc_works = no; then
790	{ echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
791	fi
792	echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
793	echo "configure:794: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
794	echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
795	cross_compiling=$ac_cv_prog_cc_cross
796
797	echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
798	echo "configure:799: checking whether we are using GNU C" >&5
799	if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
800	echo $ac_n "(cached) $ac_c" 1>&6
801	else
802	cat > conftest.c <<EOF
803	#ifdef __GNUC__
804	yes;
805	#endif
806	EOF
807	if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:808: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } \| egrep yes >/dev/null 2>&1; then
808	ac_cv_prog_gcc=yes
809	else
810	ac_cv_prog_gcc=no
811	fi
812	fi
813
814	echo "$ac_t""$ac_cv_prog_gcc" 1>&6
815
816	if test $ac_cv_prog_gcc = yes; then
817	GCC=yes
818	else
819	GCC=
820	fi
821
822	ac_test_CFLAGS="${CFLAGS+set}"
823	ac_save_CFLAGS="$CFLAGS"
824	CFLAGS=
825	echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
826	echo "configure:827: checking whether ${CC-cc} accepts -g" >&5
827	if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
828	echo $ac_n "(cached) $ac_c" 1>&6
829	else
830	echo 'void f(){}' > conftest.c
831	if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
832	ac_cv_prog_cc_g=yes
833	else
834	ac_cv_prog_cc_g=no
835	fi
836	rm -f conftest*
837
838	fi
839
840	echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
841	if test "$ac_test_CFLAGS" = set; then
842	CFLAGS="$ac_save_CFLAGS"
843	elif test $ac_cv_prog_cc_g = yes; then
844	if test "$GCC" = yes; then
845	CFLAGS="-g -O2"
846	else
847	CFLAGS="-g"
848	fi
849	else
850	if test "$GCC" = yes; then
851	CFLAGS="-O2"
852	else
853	CFLAGS=
854	fi
855	fi
856
857	echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
858	echo "configure:859: checking how to run the C preprocessor" >&5
859	# On Suns, sometimes $CPP names a directory.
860	if test -n "$CPP" && test -d "$CPP"; then
861	CPP=
862	fi
863	if test -z "$CPP"; then
864	if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
865	echo $ac_n "(cached) $ac_c" 1>&6
866	else
867	# This must be in double quotes, not single quotes, because CPP may get
868	# substituted into the Makefile and "${CC-cc}" will confuse make.
869	CPP="${CC-cc} -E"
870	# On the NeXT, cc -E runs the code through the compiler's parser,
871	# not just through cpp.
872	cat > conftest.$ac_ext <<EOF
873	#line 874 "configure"
874	#include "confdefs.h"
875	#include <assert.h>
876	Syntax Error
877	EOF
878	ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
879	{ (eval echo configure:880: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
880	ac_err=`grep -v '^ *+' conftest.out \| grep -v "^conftest.${ac_ext}\$"`
881	if test -z "$ac_err"; then
882	:
883	else
884	echo "$ac_err" >&5
885	echo "configure: failed program was:" >&5
886	cat conftest.$ac_ext >&5
887	rm -rf conftest*
888	CPP="${CC-cc} -E -traditional-cpp"
889	cat > conftest.$ac_ext <<EOF
890	#line 891 "configure"
891	#include "confdefs.h"
892	#include <assert.h>
893	Syntax Error
894	EOF
895	ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
896	{ (eval echo configure:897: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
897	ac_err=`grep -v '^ *+' conftest.out \| grep -v "^conftest.${ac_ext}\$"`
898	if test -z "$ac_err"; then
899	:
900	else
901	echo "$ac_err" >&5
902	echo "configure: failed program was:" >&5
903	cat conftest.$ac_ext >&5
904	rm -rf conftest*
905	CPP="${CC-cc} -nologo -E"
906	cat > conftest.$ac_ext <<EOF
907	#line 908 "configure"
908	#include "confdefs.h"
909	#include <assert.h>
910	Syntax Error
911	EOF
912	ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
913	{ (eval echo configure:914: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
914	ac_err=`grep -v '^ *+' conftest.out \| grep -v "^conftest.${ac_ext}\$"`
915	if test -z "$ac_err"; then
916	:
917	else
918	echo "$ac_err" >&5
919	echo "configure: failed program was:" >&5
920	cat conftest.$ac_ext >&5
921	rm -rf conftest*
922	CPP=/lib/cpp
923	fi
924	rm -f conftest*
925	fi
926	rm -f conftest*
927	fi
928	rm -f conftest*
929	ac_cv_prog_CPP="$CPP"
930	fi
931	CPP="$ac_cv_prog_CPP"
932	else
933	ac_cv_prog_CPP="$CPP"
934	fi
935	echo "$ac_t""$CPP" 1>&6
936
937	ac_aux_dir=
938	for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
939	if test -f $ac_dir/install-sh; then
940	ac_aux_dir=$ac_dir
941	ac_install_sh="$ac_aux_dir/install-sh -c"
942	break
943	elif test -f $ac_dir/install.sh; then
944	ac_aux_dir=$ac_dir
945	ac_install_sh="$ac_aux_dir/install.sh -c"
946	break
947	fi
948	done
949	if test -z "$ac_aux_dir"; then
950	{ echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; }
951	fi
952	ac_config_guess=$ac_aux_dir/config.guess
953	ac_config_sub=$ac_aux_dir/config.sub
954	ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
955
956	# Find a good install program. We prefer a C program (faster),
957	# so one script is as good as another. But avoid the broken or
958	# incompatible versions:
959	# SysV /etc/install, /usr/sbin/install
960	# SunOS /usr/etc/install
961	# IRIX /sbin/install
962	# AIX /bin/install
963	# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
964	# AFS /usr/afsws/bin/install, which mishandles nonexistent args
965	# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
966	# ./install, which can be erroneously created by make from ./install.sh.
967	echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
968	echo "configure:969: checking for a BSD compatible install" >&5
969	if test -z "$INSTALL"; then
970	if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
971	echo $ac_n "(cached) $ac_c" 1>&6
972	else
973	IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS=":"
974	for ac_dir in $PATH; do
975	# Account for people who put trailing slashes in PATH elements.
976	case "$ac_dir/" in
977	/\|./\|.//\|/etc/\|/usr/sbin/\|/usr/etc/\|/sbin/\|/usr/afsws/bin/\|/usr/ucb/) ;;
978	*)
979	# OSF1 and SCO ODT 3.0 have their own names for install.
980	# Don't use installbsd from OSF since it installs stuff as root
981	# by default.
982	for ac_prog in ginstall scoinst install; do
983	if test -f $ac_dir/$ac_prog; then
984	if test $ac_prog = install &&
985	grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
986	# AIX install. It has an incompatible calling convention.
987	:
988	else
989	ac_cv_path_install="$ac_dir/$ac_prog -c"
990	break 2
991	fi
992	fi
993	done
994	;;
995	esac
996	done
997	IFS="$ac_save_IFS"
998
999	fi
1000	if test "${ac_cv_path_install+set}" = set; then
1001	INSTALL="$ac_cv_path_install"
1002	else
1003	# As a last resort, use the slow shell script. We don't cache a
1004	# path for INSTALL within a source directory, because that will
1005	# break other packages using the cache if that directory is
1006	# removed, or if the path is relative.
1007	INSTALL="$ac_install_sh"
1008	fi
1009	fi
1010	echo "$ac_t""$INSTALL" 1>&6
1011
1012	# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
1013	# It thinks the first close brace ends the variable substitution.
1014	test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
1015
1016	test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
1017
1018	test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
1019
1020	echo $ac_n "checking for AIX""... $ac_c" 1>&6
1021	echo "configure:1022: checking for AIX" >&5
1022	cat > conftest.$ac_ext <<EOF
1023	#line 1024 "configure"
1024	#include "confdefs.h"
1025	#ifdef _AIX
1026	yes
1027	#endif
1028
1029	EOF
1030	if (eval "$ac_cpp conftest.$ac_ext") 2>&5 \|
1031	egrep "yes" >/dev/null 2>&1; then
1032	rm -rf conftest*
1033	echo "$ac_t""yes" 1>&6; cat >> confdefs.h <<\EOF
1034	#define _ALL_SOURCE 1
1035	EOF
1036
1037	else
1038	rm -rf conftest*
1039	echo "$ac_t""no" 1>&6
1040	fi
1041	rm -f conftest*
1042
1043
1044
1045	for ac_prog in perl5 perl
1046	do
1047	# Extract the first word of "$ac_prog", so it can be a program name with args.
1048	set dummy $ac_prog; ac_word=$2
1049	echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
1050	echo "configure:1051: checking for $ac_word" >&5
1051	if eval "test \"`echo '$''{'ac_cv_prog_PERL'+set}'`\" = set"; then
1052	echo $ac_n "(cached) $ac_c" 1>&6
1053	else
1054	if test -n "$PERL"; then
1055	ac_cv_prog_PERL="$PERL" # Let the user override the test.
1056	else
1057	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
1058	ac_dummy="$PATH"
1059	for ac_dir in $ac_dummy; do
1060	test -z "$ac_dir" && ac_dir=.
1061	if test -f $ac_dir/$ac_word; then
1062	ac_cv_prog_PERL="$ac_prog"
1063	break
1064	fi
1065	done
1066	IFS="$ac_save_ifs"
1067	fi
1068	fi
1069	PERL="$ac_cv_prog_PERL"
1070	if test -n "$PERL"; then
1071	echo "$ac_t""$PERL" 1>&6
1072	else
1073	echo "$ac_t""no" 1>&6
1074	fi
1075
1076	test -n "$PERL" && break
1077	done
1078
1079	# Extract the first word of "latex2html", so it can be a program name with args.
1080	set dummy latex2html; ac_word=$2
1081	echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
1082	echo "configure:1083: checking for $ac_word" >&5
1083	if eval "test \"`echo '$''{'ac_cv_prog_LATEX2HTML'+set}'`\" = set"; then
1084	echo $ac_n "(cached) $ac_c" 1>&6
1085	else
1086	if test -n "$LATEX2HTML"; then
1087	ac_cv_prog_LATEX2HTML="$LATEX2HTML" # Let the user override the test.
1088	else
1089	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
1090	ac_dummy="$PATH"
1091	for ac_dir in $ac_dummy; do
1092	test -z "$ac_dir" && ac_dir=.
1093	if test -f $ac_dir/$ac_word; then
1094	ac_cv_prog_LATEX2HTML="latex2html"
1095	break
1096	fi
1097	done
1098	IFS="$ac_save_ifs"
1099	fi
1100	fi
1101	LATEX2HTML="$ac_cv_prog_LATEX2HTML"
1102	if test -n "$LATEX2HTML"; then
1103	echo "$ac_t""$LATEX2HTML" 1>&6
1104	else
1105	echo "$ac_t""no" 1>&6
1106	fi
1107
1108	echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
1109	echo "configure:1110: checking whether ln -s works" >&5
1110	if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
1111	echo $ac_n "(cached) $ac_c" 1>&6
1112	else
1113	rm -f conftestdata
1114	if ln -s X conftestdata 2>/dev/null
1115	then
1116	rm -f conftestdata
1117	ac_cv_prog_LN_S="ln -s"
1118	else
1119	ac_cv_prog_LN_S=ln
1120	fi
1121	fi
1122	LN_S="$ac_cv_prog_LN_S"
1123	if test "$ac_cv_prog_LN_S" = "ln -s"; then
1124	echo "$ac_t""yes" 1>&6
1125	else
1126	echo "$ac_t""no" 1>&6
1127	fi
1128
1129	if test -d Texi2html; then
1130	if test -r ${T2H_HOME}/texi2html.init; then
1131	TEXI2HTML=`pwd`/Texi2html/texi2html.pl
1132	else
1133	TEXI2HTML=`pwd`/Texi2html/texi2html
1134	fi
1135
1136	else
1137	echo "configure: warning: could not find Texi2html/texi2html HTML generation might fail" 1>&2
1138	# Extract the first word of "texi2html", so it can be a program name with args.
1139	set dummy texi2html; ac_word=$2
1140	echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
1141	echo "configure:1142: checking for $ac_word" >&5
1142	if eval "test \"`echo '$''{'ac_cv_prog_TEXI2HTML'+set}'`\" = set"; then
1143	echo $ac_n "(cached) $ac_c" 1>&6
1144	else
1145	if test -n "$TEXI2HTML"; then
1146	ac_cv_prog_TEXI2HTML="$TEXI2HTML" # Let the user override the test.
1147	else
1148	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
1149	ac_dummy="$PATH"
1150	for ac_dir in $ac_dummy; do
1151	test -z "$ac_dir" && ac_dir=.
1152	if test -f $ac_dir/$ac_word; then
1153	ac_cv_prog_TEXI2HTML="texi2html"
1154	break
1155	fi
1156	done
1157	IFS="$ac_save_ifs"
1158	fi
1159	fi
1160	TEXI2HTML="$ac_cv_prog_TEXI2HTML"
1161	if test -n "$TEXI2HTML"; then
1162	echo "$ac_t""$TEXI2HTML" 1>&6
1163	else
1164	echo "$ac_t""no" 1>&6
1165	fi
1166
1167	fi
1168	if test "$ac_cv_prog_LATEX2HTML" = latex2html; then
1169	TEXI2HTML_OPTS="-l2h"
1170	fi
1171
1172
1173	# expand prefix and pass it to subsequent configures
1174	if test "x$prefix" = xNONE; then
1175	prefix=${ac_default_prefix}
1176	ac_configure_args="$ac_configure_args --prefix=${prefix}"
1177	fi
1178
1179	# expand exec_prefix
1180	if test "x$exec_prefix" = xNONE; then
1181	exec_prefix=${prefix}/${ac_cv_singuname}
1182	ac_configure_args="$ac_configure_args --exec_prefix=${exec_prefix}"
1183	fi
1184
1185	# expand bindir
1186	if test "x$bindir" = 'x${exec_prefix}/bin'; then
1187	bindir="${exec_prefix}"
1188	ac_configure_args="$ac_configure_args --bindir=${bindir}"
1189	fi
1190
1191	# expand libdir
1192	if test "x$libdir" = 'x${exec_prefix}/lib'; then
1193	libdir="${exec_prefix}/lib"
1194	ac_configure_args="$ac_configure_args --libdir=${libdir}"
1195	fi
1196
1197	# expand includedir
1198	if test "x$includedir" = 'x${prefix}/include'; then
1199	includedir="${exec_prefix}/include"
1200	ac_configure_args="$ac_configure_args --includedir=${includedir}"
1201	fi
1202
1203	# construct name of installed Singular executable
1204	SINGULAR=${bindir}/Singular-${SINGULAR_MAJOR_VERSION}${VERSION_SEP}${SINGULAR_MINOR_VERSION}${VERSION_SEP}${SINGULAR_SUB_VERSION}
1205	export SINGULAR
1206
1207
1208
1209	# add -I to CPPFLAGS and -L to LDFLAGS, just to be sure
1210	LDFLAGS="-L${libdir} ${LDFLAGS}"
1211	CPPFLAGS="-I${includedir} ${CPPFLAGS}"
1212
1213	# check for AIX
1214	echo $ac_n "checking whether _AIX is defined""... $ac_c" 1>&6
1215	echo "configure:1216: checking whether _AIX is defined" >&5
1216	if eval "test \"`echo '$''{'ac_cv_is_aix'+set}'`\" = set"; then
1217	echo $ac_n "(cached) $ac_c" 1>&6
1218	else
1219	cat > conftest.$ac_ext <<EOF
1220	#line 1221 "configure"
1221	#include "confdefs.h"
1222	#ifdef _AIX
1223	yes
1224	#endif
1225
1226	EOF
1227	if (eval "$ac_cpp conftest.$ac_ext") 2>&5 \|
1228	egrep "yes" >/dev/null 2>&1; then
1229	rm -rf conftest*
1230	ac_cv_is_aix=yes
1231	else
1232	rm -rf conftest*
1233	ac_cv_is_aix=no
1234	fi
1235	rm -f conftest*
1236
1237	fi
1238
1239	if test "$ac_cv_is_aix" = yes; then
1240	echo "$ac_t""yes" 1>&6
1241	else
1242	echo "$ac_t""no" 1>&6
1243	fi
1244
1245	echo $ac_n "checking for atof in -lm""... $ac_c" 1>&6
1246	echo "configure:1247: checking for atof in -lm" >&5
1247	ac_lib_var=`echo m'_'atof \| sed 'y%./+-%__p_%'`
1248	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1249	echo $ac_n "(cached) $ac_c" 1>&6
1250	else
1251	ac_save_LIBS="$LIBS"
1252	LIBS="-lm $LIBS"
1253	cat > conftest.$ac_ext <<EOF
1254	#line 1255 "configure"
1255	#include "confdefs.h"
1256	/* Override any gcc2 internal prototype to avoid an error. */
1257	/* We use char because int might match the return type of a gcc2
1258	builtin and then its argument prototype would still apply. */
1259	char atof();
1260
1261	int main() {
1262	atof()
1263	; return 0; }
1264	EOF
1265	if { (eval echo configure:1266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1266	rm -rf conftest*
1267	eval "ac_cv_lib_$ac_lib_var=yes"
1268	else
1269	echo "configure: failed program was:" >&5
1270	cat conftest.$ac_ext >&5
1271	rm -rf conftest*
1272	eval "ac_cv_lib_$ac_lib_var=no"
1273	fi
1274	rm -f conftest*
1275	LIBS="$ac_save_LIBS"
1276
1277	fi
1278	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1279	echo "$ac_t""yes" 1>&6
1280	ac_tr_lib=HAVE_LIB`echo m \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1281	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1282	cat >> confdefs.h <<EOF
1283	#define $ac_tr_lib 1
1284	EOF
1285
1286	LIBS="-lm $LIBS"
1287
1288	else
1289	echo "$ac_t""no" 1>&6
1290	fi
1291
1292	echo $ac_n "checking for socket in -lbsd""... $ac_c" 1>&6
1293	echo "configure:1294: checking for socket in -lbsd" >&5
1294	ac_lib_var=`echo bsd'_'socket \| sed 'y%./+-%__p_%'`
1295	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1296	echo $ac_n "(cached) $ac_c" 1>&6
1297	else
1298	ac_save_LIBS="$LIBS"
1299	LIBS="-lbsd $LIBS"
1300	cat > conftest.$ac_ext <<EOF
1301	#line 1302 "configure"
1302	#include "confdefs.h"
1303	/* Override any gcc2 internal prototype to avoid an error. */
1304	/* We use char because int might match the return type of a gcc2
1305	builtin and then its argument prototype would still apply. */
1306	char socket();
1307
1308	int main() {
1309	socket()
1310	; return 0; }
1311	EOF
1312	if { (eval echo configure:1313: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1313	rm -rf conftest*
1314	eval "ac_cv_lib_$ac_lib_var=yes"
1315	else
1316	echo "configure: failed program was:" >&5
1317	cat conftest.$ac_ext >&5
1318	rm -rf conftest*
1319	eval "ac_cv_lib_$ac_lib_var=no"
1320	fi
1321	rm -f conftest*
1322	LIBS="$ac_save_LIBS"
1323
1324	fi
1325	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1326	echo "$ac_t""yes" 1>&6
1327	ac_tr_lib=HAVE_LIB`echo bsd \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1328	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1329	cat >> confdefs.h <<EOF
1330	#define $ac_tr_lib 1
1331	EOF
1332
1333	LIBS="-lbsd $LIBS"
1334
1335	else
1336	echo "$ac_t""no" 1>&6
1337	fi
1338
1339	echo $ac_n "checking for listen in -lsocket""... $ac_c" 1>&6
1340	echo "configure:1341: checking for listen in -lsocket" >&5
1341	ac_lib_var=`echo socket'_'listen \| sed 'y%./+-%__p_%'`
1342	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1343	echo $ac_n "(cached) $ac_c" 1>&6
1344	else
1345	ac_save_LIBS="$LIBS"
1346	LIBS="-lsocket $LIBS"
1347	cat > conftest.$ac_ext <<EOF
1348	#line 1349 "configure"
1349	#include "confdefs.h"
1350	/* Override any gcc2 internal prototype to avoid an error. */
1351	/* We use char because int might match the return type of a gcc2
1352	builtin and then its argument prototype would still apply. */
1353	char listen();
1354
1355	int main() {
1356	listen()
1357	; return 0; }
1358	EOF
1359	if { (eval echo configure:1360: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1360	rm -rf conftest*
1361	eval "ac_cv_lib_$ac_lib_var=yes"
1362	else
1363	echo "configure: failed program was:" >&5
1364	cat conftest.$ac_ext >&5
1365	rm -rf conftest*
1366	eval "ac_cv_lib_$ac_lib_var=no"
1367	fi
1368	rm -f conftest*
1369	LIBS="$ac_save_LIBS"
1370
1371	fi
1372	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1373	echo "$ac_t""yes" 1>&6
1374	ac_tr_lib=HAVE_LIB`echo socket \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1375	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1376	cat >> confdefs.h <<EOF
1377	#define $ac_tr_lib 1
1378	EOF
1379
1380	LIBS="-lsocket $LIBS"
1381
1382	else
1383	echo "$ac_t""no" 1>&6
1384	fi
1385
1386	echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
1387	echo "configure:1388: checking for gethostbyname in -lnsl" >&5
1388	ac_lib_var=`echo nsl'_'gethostbyname \| sed 'y%./+-%__p_%'`
1389	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1390	echo $ac_n "(cached) $ac_c" 1>&6
1391	else
1392	ac_save_LIBS="$LIBS"
1393	LIBS="-lnsl $LIBS"
1394	cat > conftest.$ac_ext <<EOF
1395	#line 1396 "configure"
1396	#include "confdefs.h"
1397	/* Override any gcc2 internal prototype to avoid an error. */
1398	/* We use char because int might match the return type of a gcc2
1399	builtin and then its argument prototype would still apply. */
1400	char gethostbyname();
1401
1402	int main() {
1403	gethostbyname()
1404	; return 0; }
1405	EOF
1406	if { (eval echo configure:1407: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1407	rm -rf conftest*
1408	eval "ac_cv_lib_$ac_lib_var=yes"
1409	else
1410	echo "configure: failed program was:" >&5
1411	cat conftest.$ac_ext >&5
1412	rm -rf conftest*
1413	eval "ac_cv_lib_$ac_lib_var=no"
1414	fi
1415	rm -f conftest*
1416	LIBS="$ac_save_LIBS"
1417
1418	fi
1419	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1420	echo "$ac_t""yes" 1>&6
1421	ac_tr_lib=HAVE_LIB`echo nsl \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1422	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1423	cat >> confdefs.h <<EOF
1424	#define $ac_tr_lib 1
1425	EOF
1426
1427	LIBS="-lnsl $LIBS"
1428
1429	else
1430	echo "$ac_t""no" 1>&6
1431	fi
1432
1433	echo $ac_n "checking for mpq_init in -lgmp""... $ac_c" 1>&6
1434	echo "configure:1435: checking for mpq_init in -lgmp" >&5
1435	ac_lib_var=`echo gmp'_'mpq_init \| sed 'y%./+-%__p_%'`
1436	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1437	echo $ac_n "(cached) $ac_c" 1>&6
1438	else
1439	ac_save_LIBS="$LIBS"
1440	LIBS="-lgmp $LIBS"
1441	cat > conftest.$ac_ext <<EOF
1442	#line 1443 "configure"
1443	#include "confdefs.h"
1444	/* Override any gcc2 internal prototype to avoid an error. */
1445	/* We use char because int might match the return type of a gcc2
1446	builtin and then its argument prototype would still apply. */
1447	char mpq_init();
1448
1449	int main() {
1450	mpq_init()
1451	; return 0; }
1452	EOF
1453	if { (eval echo configure:1454: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1454	rm -rf conftest*
1455	eval "ac_cv_lib_$ac_lib_var=yes"
1456	else
1457	echo "configure: failed program was:" >&5
1458	cat conftest.$ac_ext >&5
1459	rm -rf conftest*
1460	eval "ac_cv_lib_$ac_lib_var=no"
1461	fi
1462	rm -f conftest*
1463	LIBS="$ac_save_LIBS"
1464
1465	fi
1466	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1467	echo "$ac_t""yes" 1>&6
1468	ac_tr_lib=HAVE_LIB`echo gmp \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1469	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1470	cat >> confdefs.h <<EOF
1471	#define $ac_tr_lib 1
1472	EOF
1473
1474	LIBS="-lgmp $LIBS"
1475
1476	else
1477	echo "$ac_t""no" 1>&6
1478	fi
1479
1480	echo $ac_n "checking for mpz_init in -lsmallgmp""... $ac_c" 1>&6
1481	echo "configure:1482: checking for mpz_init in -lsmallgmp" >&5
1482	ac_lib_var=`echo smallgmp'_'mpz_init \| sed 'y%./+-%__p_%'`
1483	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1484	echo $ac_n "(cached) $ac_c" 1>&6
1485	else
1486	ac_save_LIBS="$LIBS"
1487	LIBS="-lsmallgmp $LIBS"
1488	cat > conftest.$ac_ext <<EOF
1489	#line 1490 "configure"
1490	#include "confdefs.h"
1491	/* Override any gcc2 internal prototype to avoid an error. */
1492	/* We use char because int might match the return type of a gcc2
1493	builtin and then its argument prototype would still apply. */
1494	char mpz_init();
1495
1496	int main() {
1497	mpz_init()
1498	; return 0; }
1499	EOF
1500	if { (eval echo configure:1501: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1501	rm -rf conftest*
1502	eval "ac_cv_lib_$ac_lib_var=yes"
1503	else
1504	echo "configure: failed program was:" >&5
1505	cat conftest.$ac_ext >&5
1506	rm -rf conftest*
1507	eval "ac_cv_lib_$ac_lib_var=no"
1508	fi
1509	rm -f conftest*
1510	LIBS="$ac_save_LIBS"
1511
1512	fi
1513	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1514	echo "$ac_t""yes" 1>&6
1515	ac_tr_lib=HAVE_LIB`echo smallgmp \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1516	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1517	cat >> confdefs.h <<EOF
1518	#define $ac_tr_lib 1
1519	EOF
1520
1521	LIBS="-lsmallgmp $LIBS"
1522
1523	else
1524	echo "$ac_t""no" 1>&6
1525	fi
1526
1527	echo $ac_n "checking for IMP_PutGmpInt in -lMP""... $ac_c" 1>&6
1528	echo "configure:1529: checking for IMP_PutGmpInt in -lMP" >&5
1529	ac_lib_var=`echo MP'_'IMP_PutGmpInt \| sed 'y%./+-%__p_%'`
1530	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1531	echo $ac_n "(cached) $ac_c" 1>&6
1532	else
1533	ac_save_LIBS="$LIBS"
1534	LIBS="-lMP $LIBS"
1535	cat > conftest.$ac_ext <<EOF
1536	#line 1537 "configure"
1537	#include "confdefs.h"
1538	/* Override any gcc2 internal prototype to avoid an error. */
1539	/* We use char because int might match the return type of a gcc2
1540	builtin and then its argument prototype would still apply. */
1541	char IMP_PutGmpInt();
1542
1543	int main() {
1544	IMP_PutGmpInt()
1545	; return 0; }
1546	EOF
1547	if { (eval echo configure:1548: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1548	rm -rf conftest*
1549	eval "ac_cv_lib_$ac_lib_var=yes"
1550	else
1551	echo "configure: failed program was:" >&5
1552	cat conftest.$ac_ext >&5
1553	rm -rf conftest*
1554	eval "ac_cv_lib_$ac_lib_var=no"
1555	fi
1556	rm -f conftest*
1557	LIBS="$ac_save_LIBS"
1558
1559	fi
1560	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1561	echo "$ac_t""yes" 1>&6
1562	ac_tr_lib=HAVE_LIB`echo MP \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1563	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1564	cat >> confdefs.h <<EOF
1565	#define $ac_tr_lib 1
1566	EOF
1567
1568	LIBS="-lMP $LIBS"
1569
1570	else
1571	echo "$ac_t""no" 1>&6
1572	fi
1573
1574	echo $ac_n "checking for MPT_GetTree in -lMPT""... $ac_c" 1>&6
1575	echo "configure:1576: checking for MPT_GetTree in -lMPT" >&5
1576	ac_lib_var=`echo MPT'_'MPT_GetTree \| sed 'y%./+-%__p_%'`
1577	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1578	echo $ac_n "(cached) $ac_c" 1>&6
1579	else
1580	ac_save_LIBS="$LIBS"
1581	LIBS="-lMPT $LIBS"
1582	cat > conftest.$ac_ext <<EOF
1583	#line 1584 "configure"
1584	#include "confdefs.h"
1585	/* Override any gcc2 internal prototype to avoid an error. */
1586	/* We use char because int might match the return type of a gcc2
1587	builtin and then its argument prototype would still apply. */
1588	char MPT_GetTree();
1589
1590	int main() {
1591	MPT_GetTree()
1592	; return 0; }
1593	EOF
1594	if { (eval echo configure:1595: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1595	rm -rf conftest*
1596	eval "ac_cv_lib_$ac_lib_var=yes"
1597	else
1598	echo "configure: failed program was:" >&5
1599	cat conftest.$ac_ext >&5
1600	rm -rf conftest*
1601	eval "ac_cv_lib_$ac_lib_var=no"
1602	fi
1603	rm -f conftest*
1604	LIBS="$ac_save_LIBS"
1605
1606	fi
1607	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1608	echo "$ac_t""yes" 1>&6
1609	ac_tr_lib=HAVE_LIB`echo MPT \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1610	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1611	cat >> confdefs.h <<EOF
1612	#define $ac_tr_lib 1
1613	EOF
1614
1615	LIBS="-lMPT $LIBS"
1616
1617	else
1618	echo "$ac_t""no" 1>&6
1619	fi
1620
1621	echo $ac_n "checking for atof in -lsingcf""... $ac_c" 1>&6
1622	echo "configure:1623: checking for atof in -lsingcf" >&5
1623	ac_lib_var=`echo singcf'_'atof \| sed 'y%./+-%__p_%'`
1624	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1625	echo $ac_n "(cached) $ac_c" 1>&6
1626	else
1627	ac_save_LIBS="$LIBS"
1628	LIBS="-lsingcf $LIBS"
1629	cat > conftest.$ac_ext <<EOF
1630	#line 1631 "configure"
1631	#include "confdefs.h"
1632	/* Override any gcc2 internal prototype to avoid an error. */
1633	/* We use char because int might match the return type of a gcc2
1634	builtin and then its argument prototype would still apply. */
1635	char atof();
1636
1637	int main() {
1638	atof()
1639	; return 0; }
1640	EOF
1641	if { (eval echo configure:1642: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1642	rm -rf conftest*
1643	eval "ac_cv_lib_$ac_lib_var=yes"
1644	else
1645	echo "configure: failed program was:" >&5
1646	cat conftest.$ac_ext >&5
1647	rm -rf conftest*
1648	eval "ac_cv_lib_$ac_lib_var=no"
1649	fi
1650	rm -f conftest*
1651	LIBS="$ac_save_LIBS"
1652
1653	fi
1654	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1655	echo "$ac_t""yes" 1>&6
1656	ac_tr_lib=HAVE_LIB`echo singcf \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1657	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1658	cat >> confdefs.h <<EOF
1659	#define $ac_tr_lib 1
1660	EOF
1661
1662	LIBS="-lsingcf $LIBS"
1663
1664	else
1665	echo "$ac_t""no" 1>&6
1666	fi
1667
1668	echo $ac_n "checking for atof in -lsingfac""... $ac_c" 1>&6
1669	echo "configure:1670: checking for atof in -lsingfac" >&5
1670	ac_lib_var=`echo singfac'_'atof \| sed 'y%./+-%__p_%'`
1671	if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
1672	echo $ac_n "(cached) $ac_c" 1>&6
1673	else
1674	ac_save_LIBS="$LIBS"
1675	LIBS="-lsingfac $LIBS"
1676	cat > conftest.$ac_ext <<EOF
1677	#line 1678 "configure"
1678	#include "confdefs.h"
1679	/* Override any gcc2 internal prototype to avoid an error. */
1680	/* We use char because int might match the return type of a gcc2
1681	builtin and then its argument prototype would still apply. */
1682	char atof();
1683
1684	int main() {
1685	atof()
1686	; return 0; }
1687	EOF
1688	if { (eval echo configure:1689: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
1689	rm -rf conftest*
1690	eval "ac_cv_lib_$ac_lib_var=yes"
1691	else
1692	echo "configure: failed program was:" >&5
1693	cat conftest.$ac_ext >&5
1694	rm -rf conftest*
1695	eval "ac_cv_lib_$ac_lib_var=no"
1696	fi
1697	rm -f conftest*
1698	LIBS="$ac_save_LIBS"
1699
1700	fi
1701	if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
1702	echo "$ac_t""yes" 1>&6
1703	ac_tr_lib=HAVE_LIB`echo singfac \| sed -e 's/[^a-zA-Z0-9_]/_/g' \
1704	-e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
1705	cat >> confdefs.h <<EOF
1706	#define $ac_tr_lib 1
1707	EOF
1708
1709	LIBS="-lsingfac $LIBS"
1710
1711	else
1712	echo "$ac_t""no" 1>&6
1713	fi
1714
1715
1716	for ac_hdr in gmp.h smallgmp.h MP.h MPT.h factory.h factor.h
1717	do
1718	ac_safe=`echo "$ac_hdr" \| sed 'y%./+-%__p_%'`
1719	echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
1720	echo "configure:1721: checking for $ac_hdr" >&5
1721	if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
1722	echo $ac_n "(cached) $ac_c" 1>&6
1723	else
1724	cat > conftest.$ac_ext <<EOF
1725	#line 1726 "configure"
1726	#include "confdefs.h"
1727	#include <$ac_hdr>
1728	EOF
1729	ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
1730	{ (eval echo configure:1731: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
1731	ac_err=`grep -v '^ *+' conftest.out \| grep -v "^conftest.${ac_ext}\$"`
1732	if test -z "$ac_err"; then
1733	rm -rf conftest*
1734	eval "ac_cv_header_$ac_safe=yes"
1735	else
1736	echo "$ac_err" >&5
1737	echo "configure: failed program was:" >&5
1738	cat conftest.$ac_ext >&5
1739	rm -rf conftest*
1740	eval "ac_cv_header_$ac_safe=no"
1741	fi
1742	rm -f conftest*
1743	fi
1744	if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
1745	echo "$ac_t""yes" 1>&6
1746	ac_tr_hdr=HAVE_`echo $ac_hdr \| sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
1747	cat >> confdefs.h <<EOF
1748	#define $ac_tr_hdr 1
1749	EOF
1750
1751	else
1752	echo "$ac_t""no" 1>&6
1753	fi
1754	done
1755
1756
1757	if test "$ac_cv_lib_gmp_mpq_init" = yes && \
1758	test "$ac_cv_header_gmp_h" = yes; then
1759	ac_gmp_ok=yes
1760	fi
1761
1762	if test "$ac_cv_lib_smallgmp_mpz_init" = yes && \
1763	test "$ac_cv_header_smallgmp_h" = yes && \
1764	test "$ac_cv_header_gmp_h" = yes; then
1765	ac_smallgmp_ok=yes
1766	fi
1767
1768	if test "$ac_cv_lib_MP_IMP_PutGmpInt" = yes && \
1769	test "$ac_cv_lib_MPT_MPT_GetTree" && \
1770	test "$ac_cv_header_MP_h" = yes && \
1771	test "$ac_cv_header_MPT_h" = yes; then
1772	ac_MP_ok=yes
1773	fi
1774
1775	if test "$ac_cv_lib_singcf_atof" = yes && \
1776	test "$ac_cv_header_factory_h" = yes; then
1777	ac_factory_ok=yes
1778	fi
1779
1780	if test "$ac_cv_lib_singfac_atof" = yes && \
1781	test "$ac_cv_header_factor_h" = yes; then
1782	ac_libfac_ok=yes
1783	fi
1784
1785
1786	# Check whether --with-tmpdir or --without-tmpdir was given.
1787	if test "${with_tmpdir+set}" = set; then
1788	withval="$with_tmpdir"
1789	:
1790	fi
1791
1792	# Check whether --with-perl5 or --without-perl5 was given.
1793	if test "${with_perl5+set}" = set; then
1794	withval="$with_perl5"
1795	:
1796	fi
1797
1798	# Check whether --enable-smallgmp or --disable-smallgmp was given.
1799	if test "${enable_smallgmp+set}" = set; then
1800	enableval="$enable_smallgmp"
1801	:
1802	fi
1803
1804	# Check whether --enable-gmp or --disable-gmp was given.
1805	if test "${enable_gmp+set}" = set; then
1806	enableval="$enable_gmp"
1807	:
1808	fi
1809
1810	# Check whether --enable-MP or --disable-MP was given.
1811	if test "${enable_MP+set}" = set; then
1812	enableval="$enable_MP"
1813	:
1814	fi
1815
1816	# Check whether --enable-factory or --disable-factory was given.
1817	if test "${enable_factory+set}" = set; then
1818	enableval="$enable_factory"
1819	:
1820	fi
1821
1822	# Check whether --enable-libfac or --disable-libfac was given.
1823	if test "${enable_libfac+set}" = set; then
1824	enableval="$enable_libfac"
1825	:
1826	fi
1827
1828	# Check whether --enable-sgroup or --disable-sgroup was given.
1829	if test "${enable_sgroup+set}" = set; then
1830	enableval="$enable_sgroup"
1831	:
1832	fi
1833
1834	# Check whether --enable-Singular or --disable-Singular was given.
1835	if test "${enable_Singular+set}" = set; then
1836	enableval="$enable_Singular"
1837	:
1838	fi
1839
1840	# Check whether --enable-Texinfo or --disable-Texinfo was given.
1841	if test "${enable_Texinfo+set}" = set; then
1842	enableval="$enable_Texinfo"
1843	:
1844	fi
1845
1846	# Check whether --with-MP or --without-MP was given.
1847	if test "${with_MP+set}" = set; then
1848	withval="$with_MP"
1849	:
1850	fi
1851
1852	# Check whether --with-factory or --without-factory was given.
1853	if test "${with_factory+set}" = set; then
1854	withval="$with_factory"
1855	:
1856	fi
1857
1858	# Check whether --with-libfac or --without-libfac was given.
1859	if test "${with_libfac+set}" = set; then
1860	withval="$with_libfac"
1861	:
1862	fi
1863
1864	# Check whether --with-gmp or --without-gmp was given.
1865	if test "${with_gmp+set}" = set; then
1866	withval="$with_gmp"
1867	:
1868	fi
1869
1870
1871	echo $ac_n "checking which tmp dir to use""... $ac_c" 1>&6
1872	echo "configure:1873: checking which tmp dir to use" >&5
1873	if test "${with_tmpdir+set}" = set && test -d ${with_tmpdir}; then
1874	if (echo "${with_tmpdir}" \| egrep "\." >/dev/null 2>&1)
1875	then
1876	TMP_DIR="/tmp"
1877	else
1878	TMP_DIR=${with_tmpdir}
1879	fi
1880	else
1881	TMP_DIR="/tmp"
1882	fi
1883	echo "$ac_t""$TMP_DIR" 1>&6
1884
1885
1886	# perl version 5
1887	if test "${with_perl5+set}" != set; then
1888	echo $ac_n "checking for perl5""... $ac_c" 1>&6
1889	echo "configure:1890: checking for perl5" >&5
1890	if eval "test \"`echo '$''{'ac_cv_prog_perl5'+set}'`\" = set"; then
1891	echo $ac_n "(cached) $ac_c" 1>&6
1892	else
1893	if (perl5 -v >/dev/null 2>&1)
1894	then
1895	if (perl5 -v \| egrep "version 5\.[0-9]" >/dev/null 2>&1 )
1896	then
1897	ac_cv_prog_perl5=perl5
1898	fi
1899	elif (perl -v >/dev/null 2>&1)
1900	then
1901	if (perl -v \| egrep "version 5\.[0-9]" >/dev/null 2>&1 )
1902	then
1903	ac_cv_prog_perl5=perl
1904	fi
1905	fi
1906
1907	fi
1908
1909	if test "${ac_cv_prog_perl5+set}" = set; then
1910	echo "$ac_t""${ac_cv_prog_perl5}" 1>&6
1911	PERL5=${ac_cv_prog_perl5}
1912
1913	else
1914	{ echo "configure: error: can not find perl version 5" 1>&2; exit 1; }
1915	fi
1916	elif test "${with_perl5}" = no; then
1917	echo "configure: warning: building without perl5 -- make might fail" 1>&2
1918	else
1919	unset PERL5
1920	unset ac_cv_prog_PERL5
1921	for ac_prog in ${with_perl5}
1922	do
1923	# Extract the first word of "$ac_prog", so it can be a program name with args.
1924	set dummy $ac_prog; ac_word=$2
1925	echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
1926	echo "configure:1927: checking for $ac_word" >&5
1927	if eval "test \"`echo '$''{'ac_cv_prog_PERL5'+set}'`\" = set"; then
1928	echo $ac_n "(cached) $ac_c" 1>&6
1929	else
1930	if test -n "$PERL5"; then
1931	ac_cv_prog_PERL5="$PERL5" # Let the user override the test.
1932	else
1933	IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
1934	ac_dummy="$PATH"
1935	for ac_dir in $ac_dummy; do
1936	test -z "$ac_dir" && ac_dir=.
1937	if test -f $ac_dir/$ac_word; then
1938	ac_cv_prog_PERL5="$ac_prog"
1939	break
1940	fi
1941	done
1942	IFS="$ac_save_ifs"
1943	fi
1944	fi
1945	PERL5="$ac_cv_prog_PERL5"
1946	if test -n "$PERL5"; then
1947	echo "$ac_t""$PERL5" 1>&6
1948	else
1949	echo "$ac_t""no" 1>&6
1950	fi
1951
1952	test -n "$PERL5" && break
1953	done
1954
1955	if test "x${PERL5}" = x; then
1956	echo "configure: warning: building without perl5 -- make might fail" 1>&2
1957	fi
1958	fi
1959
1960
1961	echo $ac_n "checking whether to configure and build texinfo""... $ac_c" 1>&6
1962	echo "configure:1963: checking whether to configure and build texinfo" >&5
1963	if test "$enable_texinfo" != no && test -d Texinfo; then
1964	echo "$ac_t""yes" 1>&6
1965	enable_texinfo=yes
1966	CONFIG_SUBDIRS="$CONFIG_SUBDIRS Texinfo"
1967	TEXI2DVI=${bindir}/texi2dvi
1968	MAKEINFO="${bindir}/makeinfo --force"
1969	TEXINDEX=${bindir}/texindex
1970	else
1971	echo "$ac_t""no" 1>&6
1972	echo "configure: warning: Building of doc might fail. Need Texinfo" 1>&2
1973	enable_texinfo=no
1974	TEXI2DVI=texi2dvi
1975	MAKEINFO=makeinfo
1976	TEXINDEX=${bindir}/texindex
1977	fi
1978
1979
1980
1981
1982
1983	echo $ac_n "checking whether to configure and build gmp lib""... $ac_c" 1>&6
1984	echo "configure:1985: checking whether to configure and build gmp lib" >&5
1985	if test "$enable_gmp" != yes && test "$enable_gmp" != no; then
1986	if test "$ac_gmp_ok" != yes && test -d gmp; then
1987	echo "$ac_t""yes" 1>&6
1988	enable_gmp=yes
1989	CONFIG_SUBDIRS="$CONFIG_SUBDIRS gmp"
1990	ac_configure_args="$ac_configure_args --enable-gmp"
1991	OUTPUT_MAKEFILES="$OUTPUT_MAKEFILES gmp/Makefile.in"
1992	else
1993	echo "$ac_t""no" 1>&6
1994	enable_gmp=no
1995	fi
1996	elif test "$enable_gmp" = yes; then
1997	if test ! -d gmp; then
1998	echo "$ac_t""no" 1>&6
1999	{ echo "configure: error: Can not find gmp subdir" 1>&2; exit 1; }
2000	else
2001	echo "$ac_t""yes" 1>&6
2002	CONFIG_SUBDIRS="$CONFIG_SUBDIRS gmp"
2003	OUTPUT_MAKEFILES="$OUTPUT_MAKEFILES gmp/Makefile.in"
2004	fi
2005	else
2006	echo "$ac_t""no" 1>&6
2007	fi
2008
2009	echo $ac_n "checking whether to configure and build smallgmp lib""... $ac_c" 1>&6
2010	echo "configure:2011: checking whether to configure and build smallgmp lib" >&5
2011	if test "$enable_smallgmp" != yes && test "$enable_smallgmp" != no; then
2012	if test "$ac_smallgmp_ok" != yes && test "$ac_gmp_ok" != yes && \
2013	test "$enable_gmp" != yes && test -d smallgmp; then
2014	echo "$ac_t""yes" 1>&6
2015	enable_smallgmp=yes
2016	CONFIG_SUBDIRS="$CONFIG_SUBDIRS smallgmp"
2017	ac_configure_args="$ac_configure_args --enable-smallgmp --enable-gmp"
2018	else
2019	echo "$ac_t""no" 1>&6
2020	enable_smallgmp=no
2021	fi
2022	elif test "$enable_smallgmp" = yes; then
2023	if test ! -d smallgmp; then
2024	echo "$ac_t""no" 1>&6
2025	{ echo "configure: error: Can not find smallgmp subdir" 1>&2; exit 1; }
2026	else
2027	echo "$ac_t""yes" 1>&6
2028	CONFIG_SUBDIRS="$CONFIG_SUBDIRS smallgmp"
2029	if test "$ac_gmp_ok" != yes && test "$enable_gmp" != yes; then
2030	ac_configure_args="$ac_configure_args --enable-gmp"
2031	fi
2032	fi
2033	else
2034	echo "$ac_t""${enable_smallgmp}" 1>&6
2035	fi
2036
2037	# Check whether we have at least one of smallgmp or gmp
2038	if test "$ac_smallgmp_ok" != yes && test "$ac_gmp_ok" != yes && \
2039	test "$enable_smallgmp" != yes && test "$enable_gmp" != yes; then
2040	{ echo "configure: error: can neither find nor built gmp or smallgmp" 1>&2; exit 1; }
2041	fi
2042
2043	# Check whether we need to cheat subsequent configures with --enable-gmp
2044	if test "$ac_smallgmp_ok" != yes && test "$ac_gmp_ok" != yes; then
2045	ac_configure_args="$ac_configure_args --enable-gmp"
2046	fi
2047
2048	echo $ac_n "checking whether to configure and build MP lib""... $ac_c" 1>&6
2049	echo "configure:2050: checking whether to configure and build MP lib" >&5
2050	if test "$enable_MP" != yes && test "$enable_MP" != no; then
2051	if test "$with_MP" != no && test "$ac_MP_ok" != yes && test -d MP && \
2052	(test "$enable_gmp" = yes \|\| test "$ac_gmp_ok" = yes); then
2053	echo "$ac_t""yes" 1>&6
2054	enable_MP=yes
2055	CONFIG_SUBDIRS="$CONFIG_SUBDIRS MP"
2056	ac_configure_args="$ac_configure_args --enable-MP"
2057	else
2058	echo "$ac_t""no" 1>&6
2059	enable_MP=no
2060	fi
2061	elif test "$enable_MP" = yes; then
2062	if test ! -d MP; then
2063	echo "$ac_t""no" 1>&6
2064	{ echo "configure: error: can not build MP without MP directory" 1>&2; exit 1; }
2065	fi
2066	if test "$enable_gmp" = yes \|\| test "$ac_gmp_ok" = yes; then
2067	echo "$ac_t""yes" 1>&6
2068	CONFIG_SUBDIRS="$CONFIG_SUBDIRS MP"
2069	else
2070	echo "$ac_t""no" 1>&6
2071	{ echo "configure: error: can not build MP without gmp" 1>&2; exit 1; }
2072	fi
2073	else
2074	echo "$ac_t""no" 1>&6
2075	fi
2076
2077	echo $ac_n "checking whether to configure and build factory lib""... $ac_c" 1>&6
2078	echo "configure:2079: checking whether to configure and build factory lib" >&5
2079	if test "$enable_factory" != yes && test "$enable_factory" != no; then
2080	if test "$with_factory" != no && test "$ac_factory_ok" != yes && \
2081	test -d factory; then
2082	enable_factory=yes
2083	echo "$ac_t""yes" 1>&6
2084	CONFIG_SUBDIRS="$CONFIG_SUBDIRS factory"
2085	ac_configure_args="$ac_configure_args --enable-factory"
2086	else
2087	enable_factory=no
2088	echo "$ac_t""no" 1>&6
2089	fi
2090	elif test "$enable_factory" = yes; then
2091	if test -d factory; then
2092	echo "$ac_t""yes" 1>&6
2093	CONFIG_SUBDIRS="$CONFIG_SUBDIRS factory"
2094	else
2095	echo "$ac_t""no" 1>&6
2096	{ echo "configure: error: can not build factory without factory directory" 1>&2; exit 1; }
2097	fi
2098	else
2099	echo "$ac_t""no" 1>&6
2100	fi
2101
2102	echo $ac_n "checking whether to configure and build libfac lib""... $ac_c" 1>&6
2103	echo "configure:2104: checking whether to configure and build libfac lib" >&5
2104	if test "$enable_libfac" != yes && test "$enable_libfac" != no; then
2105	if test "$with_libfac" != no && test "$ac_libfac_ok" != yes && \
2106	test -d libfac && \
2107	(test "$ac_factory_ok" = yes \|\| test "$enable_factory" = yes); then
2108	enable_libfac=yes
2109	echo "$ac_t""yes" 1>&6
2110	CONFIG_SUBDIRS="$CONFIG_SUBDIRS libfac"
2111	ac_configure_args="$ac_configure_args --enable-libfac"
2112	else
2113	enable_libfac=no
2114	echo "$ac_t""no" 1>&6
2115	fi
2116	elif test "$enable_libfac" = yes; then
2117	if test ! -d libfac; then
2118	echo "$ac_t""no" 1>&6
2119	{ echo "configure: error: can not build libfac without libfac directory" 1>&2; exit 1; }
2120	fi
2121	if test "$ac_factory_ok" = yes \|\| test "$enable_factory" = yes; then
2122	echo "$ac_t""yes" 1>&6
2123	CONFIG_SUBDIRS="$CONFIG_SUBDIRS libfac"
2124	else
2125	echo "$ac_t""no" 1>&6
2126	{ echo "configure: error: Can not build libfac without factory" 1>&2; exit 1; }
2127	fi
2128	else
2129	echo "$ac_t""no" 1>&6
2130	fi
2131
2132	echo $ac_n "checking whether to configure and build sgroup lib""... $ac_c" 1>&6
2133	echo "configure:2134: checking whether to configure and build sgroup lib" >&5
2134	if test "$enable_sgroup" != yes && test "$enable_sgroup" != no; then
2135	if test "$with_sgroup" != no && test "$ac_sgroup_ok" != yes && \
2136	test -d sgroup && \
2137	(test "$ac_MP_ok" = yes \|\| test "$enable_MP" = yes); then
2138	enable_sgroup=yes
2139	echo "$ac_t""yes" 1>&6
2140	CONFIG_SUBDIRS="$CONFIG_SUBDIRS sgroup"
2141	ac_configure_args="$ac_configure_args --enable-sgroup"
2142	else
2143	enable_sgroup=no
2144	echo "$ac_t""no" 1>&6
2145	fi
2146	elif test "$enable_sgroup" = yes; then
2147	if test ! -d sgroup; then
2148	echo "$ac_t""no" 1>&6
2149	{ echo "configure: error: can not build sgroup without sgroup directory" 1>&2; exit 1; }
2150	fi
2151	if test "$ac_MP_ok" = yes \|\| test "$enable_MP" = yes; then
2152	echo "$ac_t""yes" 1>&6
2153	CONFIG_SUBDIRS="$CONFIG_SUBDIRS sgroup"
2154	else
2155	echo "$ac_t""no" 1>&6
2156	{ echo "configure: error: Can not build sgroup without MP" 1>&2; exit 1; }
2157	fi
2158	else
2159	echo "$ac_t""no" 1>&6
2160	fi
2161
2162	echo $ac_n "checking whether to configure and build Singular""... $ac_c" 1>&6
2163	echo "configure:2164: checking whether to configure and build Singular" >&5
2164	if test "$enable_Singular" != yes && test "$enable_Singular" != no; then
2165	if test "$with_Singular" != no && test -d Singular; then
2166	enable_Singular=yes
2167	echo "$ac_t""yes" 1>&6
2168	CONFIG_SUBDIRS="$CONFIG_SUBDIRS Singular"
2169	ac_configure_args="$ac_configure_args --enable-Singular"
2170	else
2171	enable_Singular=no
2172	echo "$ac_t""no" 1>&6
2173	fi
2174	elif test "$enable_Singular" = yes; then
2175	if test -d Singular; then
2176	echo "$ac_t""yes" 1>&6
2177	CONFIG_SUBDIRS="$CONFIG_SUBDIRS Singular"
2178	else
2179	echo "$ac_t""no" 1>&6
2180	{ echo "configure: error: can not build Singular without Singular directory" 1>&2; exit 1; }
2181	fi
2182	else
2183	echo "$ac_t""no" 1>&6
2184	fi
2185
2186
2187	echo $ac_n "checking which apint package to use""... $ac_c" 1>&6
2188	echo "configure:2189: checking which apint package to use" >&5
2189	if test "$with_apint" = gmp; then
2190	if test "$ac_gmp_ok" = yes \|\| test "$enable_gmp" = yes; then
2191	echo "$ac_t""gmp" 1>&6
2192	else
2193	echo "$ac_t""none" 1>&6
2194	{ echo "configure: error: can not use with gmp without finding or building it" 1>&2; exit 1; }
2195	fi
2196	elif test "$with_apint" = smallgmp; then
2197	if test "$ac_smallgmp_ok" = yes \|\| test "$enable_smallgmp" = yes; then
2198	echo "$ac_t""smallgmp" 1>&6
2199	else
2200	echo "$ac_t""none" 1>&6
2201	{ echo "configure: error: can not use with smallgmp without finding or building it" 1>&2; exit 1; }
2202	fi
2203	elif test "$ac_gmp_ok" = yes \|\| test "$enable_gmp"; then
2204	echo "$ac_t""gmp" 1>&6
2205	ac_configure_args="$ac_configure_args --with-apint=gmp"
2206	else
2207	echo "$ac_t""smallgmp" 1>&6
2208	ac_configure_args="$ac_configure_args --with-apint=smallgmp"
2209	fi
2210
2211	echo $ac_n "checking whether to use with MP""... $ac_c" 1>&6
2212	echo "configure:2213: checking whether to use with MP" >&5
2213	if test "$with_MP" = yes; then
2214	if test "$ac_MP_ok" = yes \|\| test "$enable_MP" = yes; then
2215	echo "$ac_t""yes" 1>&6
2216	else
2217	echo "$ac_t""none" 1>&6
2218	{ echo "configure: error: can not use with MP without finding or building it" 1>&2; exit 1; }
2219	fi
2220	elif test "$with_MP" = no; then
2221	echo "$ac_t""no" 1>&6
2222	elif test "$ac_MP_ok" = yes \|\| test "$enable_MP" = yes; then
2223	echo "$ac_t""yes" 1>&6
2224	ac_configure_args="$ac_configure_args --with-MP"
2225	else
2226	echo "$ac_t""no" 1>&6
2227	ac_configure_args="$ac_configure_args --without-MP"
2228	fi
2229
2230	echo $ac_n "checking whether to use with factory""... $ac_c" 1>&6
2231	echo "configure:2232: checking whether to use with factory" >&5
2232	if test "$with_factory" = yes; then
2233	if test "$ac_factory_ok" = yes \|\| test "$enable_factory" = yes; then
2234	echo "$ac_t""yes" 1>&6
2235	else
2236	echo "$ac_t""none" 1>&6
2237	{ echo "configure: error: can not use with factory without finding or building it" 1>&2; exit 1; }
2238	fi
2239	elif test "$with_factory" = no; then
2240	echo "$ac_t""no" 1>&6
2241	elif test "$ac_factory_ok" = yes \|\| test "$enable_factory" = yes; then
2242	echo "$ac_t""yes" 1>&6
2243	ac_configure_args="$ac_configure_args --with-factory"
2244	else
2245	echo "$ac_t""no" 1>&6
2246	ac_configure_args="$ac_configure_args --without-factory"
2247	fi
2248
2249	echo $ac_n "checking whether to use with libfac""... $ac_c" 1>&6
2250	echo "configure:2251: checking whether to use with libfac" >&5
2251	if test "$with_libfac" = yes; then
2252	if test "$ac_libfac_ok" = yes \|\| test "$enable_libfac" = yes; then
2253	echo "$ac_t""yes" 1>&6
2254	else
2255	echo "$ac_t""none" 1>&6
2256	{ echo "configure: error: can not use with libfac without finding or building it" 1>&2; exit 1; }
2257	fi
2258	elif test "$with_libfac" = no; then
2259	echo "$ac_t""no" 1>&6
2260	elif test "$ac_libfac_ok" = yes \|\| test "$enable_libfac" = yes; then
2261	echo "$ac_t""yes" 1>&6
2262	ac_configure_args="$ac_configure_args --with-libfac"
2263	else
2264	echo "$ac_t""no" 1>&6
2265	ac_configure_args="$ac_configure_args --without-libfac"
2266	fi
2267
2268	echo $ac_n "checking whether to use mtrack""... $ac_c" 1>&6
2269	echo "configure:2270: checking whether to use mtrack" >&5
2270	if test -d mpr && test "$ac_cv_singuname" = ix86-Linux; then
2271	echo "$ac_t""yes" 1>&6
2272	ac_configure_args="$ac_configure_args --with-mtrack"
2273	OUTPUT_MAKEFILES=$OUTPUT_MAKEFILES" mpr/Makefile"
2274	BUILD_SUBDIRS="$BUILD_SUBDIRS mpr"
2275	fi
2276
2277	echo $ac_n "checking whether to use with Singular""... $ac_c" 1>&6
2278	echo "configure:2279: checking whether to use with Singular" >&5
2279	if test "$with_Singular" != no && test "$with_Singular" != yes; then
2280	if test "$enable_Singular" = yes; then
2281	with_Singular=yes
2282	else
2283	with_Singular=no
2284	fi
2285	ac_configure_args="$ac_configure_args --with-Singular=$with_Singular"
2286	fi
2287
2288	if test "$with_Singular" != no; then
2289	echo "$ac_t""yes" 1>&6
2290	else
2291	echo "$ac_t""no" 1>&6
2292	fi
2293
2294
2295	SUBDIRS=""
2296	if test -d doc; then
2297	SUBDIRS="$SUBDIRS doc"
2298	fi
2299	if test -d smallgmp; then
2300	SUBDIRS="$SUBDIRS smallgmp"
2301	fi
2302	if test -d gmp; then
2303	SUBDIRS="$SUBDIRS gmp"
2304	fi
2305	if test -d MP; then
2306	SUBDIRS="$SUBDIRS MP"
2307	fi
2308	if test -d factory; then
2309	SUBDIRS="$SUBDIRS factory"
2310	fi
2311	if test -d libfac; then
2312	SUBDIRS="$SUBDIRS libfac"
2313	fi
2314	if test -d rpm; then
2315	SUBDIRS="$SUBDIRS rpm"
2316	fi
2317	if test -d mpr; then
2318	SUBDIRS="$SUBDIRS mpr"
2319	fi
2320	if test -d Singular; then
2321	SUBDIRS="$SUBDIRS Singular"
2322	fi
2323	if test -d emacs; then
2324	SUBDIRS="$SUBDIRS emacs"
2325	BUILD_SUBDIRS="$BUILD_SUBDIRS emacs"
2326	fi
2327	if test -d Texi2html; then
2328	SUBDIRS="$SUBDIRS Texi2html"
2329	BUILD_SUBDIRS="$BUILD_SUBDIRS Texi2html"
2330	fi
2331	if test -d sgroup; then
2332	SUBDIRS="$SUBDIRS sgroup"
2333	fi
2334
2335
2336	echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
2337	echo "configure:2338: checking whether ${MAKE-make} sets \${MAKE}" >&5
2338	set dummy ${MAKE-make}; ac_make=`echo "$2" \| sed 'y%./+-%__p_%'`
2339	if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
2340	echo $ac_n "(cached) $ac_c" 1>&6
2341	else
2342	cat > conftestmake <<\EOF
2343	all:
2344	@echo 'ac_maketemp="${MAKE}"'
2345	EOF
2346	# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
2347	eval `${MAKE-make} -f conftestmake 2>/dev/null \| grep temp=`
2348	if test -n "$ac_maketemp"; then
2349	eval ac_cv_prog_make_${ac_make}_set=yes
2350	else
2351	eval ac_cv_prog_make_${ac_make}_set=no
2352	fi
2353	rm -f conftestmake
2354	fi
2355	if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
2356	echo "$ac_t""yes" 1>&6
2357	SET_MAKE=
2358	else
2359	echo "$ac_t""no" 1>&6
2360	SET_MAKE="MAKE=${MAKE-make}"
2361	fi
2362
2363
2364
2365
2366	subdirs="$CONFIG_SUBDIRS"
2367
2368
2369	trap '' 1 2 15
2370	cat > confcache <<\EOF
2371	# This file is a shell script that caches the results of configure
2372	# tests run on this system so they can be shared between configure
2373	# scripts and configure runs. It is not useful on other systems.
2374	# If it contains results you don't want to keep, you may remove or edit it.
2375	#
2376	# By default, configure uses ./config.cache as the cache file,
2377	# creating it if it does not exist already. You can give configure
2378	# the --cache-file=FILE option to use a different cache file; that is
2379	# what configure does when it calls configure scripts in
2380	# subdirectories, so they share the cache.
2381	# Giving --cache-file=/dev/null disables caching, for debugging configure.
2382	# config.status only pays attention to the cache file if you give it the
2383	# --recheck option to rerun configure.
2384	#
2385	EOF
2386	# The following way of writing the cache mishandles newlines in values,
2387	# but we know of no workaround that is simple, portable, and efficient.
2388	# So, don't put newlines in cache variables' values.
2389	# Ultrix sh set writes to stderr and can't be redirected directly,
2390	# and sets the high bit in the cache file unless we assign to the vars.
2391	(set) 2>&1 \|
2392	case `(ac_space=' '; set \| grep ac_space) 2>&1` in
2393	ac_space=\ )
2394	# `set' does not quote correctly, so add quotes (double-quote substitution
2395	# turns \\\\ into \\, and sed turns \\ into \).
2396	sed -n \
2397	-e "s/'/'\\\\''/g" \
2398	-e "s/^\$[a-zA-Z0-9_]_cv_[a-zA-Z0-9_]\$=\$.*\$/\\1=\${\\1='\\2'}/p"
2399	;;
2400	*)
2401	# `set' quotes correctly as required by POSIX, so do not add quotes.
2402	sed -n -e 's/^$[a-zA-Z0-9_]_cv_[a-zA-Z0-9_]$=$.*$/\1=${\1=\2}/p'
2403	;;
2404	esac >> confcache
2405	if cmp -s $cache_file confcache; then
2406	:
2407	else
2408	if test -w $cache_file; then
2409	echo "updating cache $cache_file"
2410	cat confcache > $cache_file
2411	else
2412	echo "not updating unwritable cache $cache_file"
2413	fi
2414	fi
2415	rm -f confcache
2416
2417	trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
2418
2419	test "x$prefix" = xNONE && prefix=$ac_default_prefix
2420	# Let make expand exec_prefix.
2421	test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
2422
2423	# Any assignment to VPATH causes Sun make to only execute
2424	# the first set of double-colon rules, so remove it if not needed.
2425	# If there is a colon in the path, we need to keep it.
2426	if test "x$srcdir" = x.; then
2427	ac_vpsub='/^[ ]VPATH[ ]=[^:]*$/d'
2428	fi
2429
2430	trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
2431
2432	# Transform confdefs.h into DEFS.
2433	# Protect against shell expansion while executing Makefile rules.
2434	# Protect against Makefile macro expansion.
2435	cat > conftest.defs <<\EOF
2436	s%#define $[A-Za-z_][A-Za-z0-9_]$ $.*$%-D\1=\2%g
2437	s%[ `~#$^&*(){}\\\|;'"<>?]%\\&%g
2438	s%\[%\\&%g
2439	s%\]%\\&%g
2440	s%\$%$$%g
2441	EOF
2442	DEFS=`sed -f conftest.defs confdefs.h \| tr '\012' ' '`
2443	rm -f conftest.defs
2444
2445
2446	# Without the "./", some shells look in PATH for config.status.
2447	: ${CONFIG_STATUS=./config.status}
2448
2449	echo creating $CONFIG_STATUS
2450	rm -f $CONFIG_STATUS
2451	cat > $CONFIG_STATUS <<EOF
2452	#! /bin/sh
2453	# Generated automatically by configure.
2454	# Run this file to recreate the current configuration.
2455	# This directory was configured as follows,
2456	# on host `(hostname \|\| uname -n) 2>/dev/null \| sed 1q`:
2457	#
2458	# $0 $ac_configure_args
2459	#
2460	# Compiler output produced by configure, useful for debugging
2461	# configure, is in ./config.log if it exists.
2462
2463	ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
2464	for ac_option
2465	do
2466	case "\$ac_option" in
2467	-recheck \| --recheck \| --rechec \| --reche \| --rech \| --rec \| --re \| --r)
2468	echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
2469	exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
2470	-version \| --version \| --versio \| --versi \| --vers \| --ver \| --ve \| --v)
2471	echo "$CONFIG_STATUS generated by autoconf version 2.13"
2472	exit 0 ;;
2473	-help \| --help \| --hel \| --he \| --h)
2474	echo "\$ac_cs_usage"; exit 0 ;;
2475	*) echo "\$ac_cs_usage"; exit 1 ;;
2476	esac
2477	done
2478
2479	ac_given_srcdir=$srcdir
2480	ac_given_INSTALL="$INSTALL"
2481
2482	trap 'rm -fr `echo "${OUTPUT_MAKEFILES}" \| sed "s/:[^ ]//g"` conftest; exit 1' 1 2 15
2483	EOF
2484	cat >> $CONFIG_STATUS <<EOF
2485
2486	# Protect against being on the right side of a sed subst in config.status.
2487	sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
2488	s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
2489	$ac_vpsub
2490	$extrasub
2491	s%@SHELL@%$SHELL%g
2492	s%@CFLAGS@%$CFLAGS%g
2493	s%@CPPFLAGS@%$CPPFLAGS%g
2494	s%@CXXFLAGS@%$CXXFLAGS%g
2495	s%@FFLAGS@%$FFLAGS%g
2496	s%@DEFS@%$DEFS%g
2497	s%@LDFLAGS@%$LDFLAGS%g
2498	s%@LIBS@%$LIBS%g
2499	s%@exec_prefix@%$exec_prefix%g
2500	s%@prefix@%$prefix%g
2501	s%@program_transform_name@%$program_transform_name%g
2502	s%@bindir@%$bindir%g
2503	s%@sbindir@%$sbindir%g
2504	s%@libexecdir@%$libexecdir%g
2505	s%@datadir@%$datadir%g
2506	s%@sysconfdir@%$sysconfdir%g
2507	s%@sharedstatedir@%$sharedstatedir%g
2508	s%@localstatedir@%$localstatedir%g
2509	s%@libdir@%$libdir%g
2510	s%@includedir@%$includedir%g
2511	s%@oldincludedir@%$oldincludedir%g
2512	s%@infodir@%$infodir%g
2513	s%@mandir@%$mandir%g
2514	s%@SINGUNAME@%$SINGUNAME%g
2515	s%@SINGULAR_VERSION@%$SINGULAR_VERSION%g
2516	s%@VERSION_DATE@%$VERSION_DATE%g
2517	s%@SINGULAR_SHORT_VERSION@%$SINGULAR_SHORT_VERSION%g
2518	s%@CC@%$CC%g
2519	s%@CPP@%$CPP%g
2520	s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
2521	s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
2522	s%@INSTALL_DATA@%$INSTALL_DATA%g
2523	s%@PERL@%$PERL%g
2524	s%@LATEX2HTML@%$LATEX2HTML%g
2525	s%@LN_S@%$LN_S%g
2526	s%@TEXI2HTML@%$TEXI2HTML%g
2527	s%@TEXI2HTML_OPTS@%$TEXI2HTML_OPTS%g
2528	s%@SINGULAR@%$SINGULAR%g
2529	s%@TMP_DIR@%$TMP_DIR%g
2530	s%@PERL5@%$PERL5%g
2531	s%@TEXI2DVI@%$TEXI2DVI%g
2532	s%@MAKEINFO@%$MAKEINFO%g
2533	s%@TEXINDEX@%$TEXINDEX%g
2534	s%@SET_MAKE@%$SET_MAKE%g
2535	s%@SUBDIRS@%$SUBDIRS%g
2536	s%@BUILD_SUBDIRS@%$BUILD_SUBDIRS%g
2537	s%@CONFIG_SUBDIRS@%$CONFIG_SUBDIRS%g
2538	s%@subdirs@%$subdirs%g
2539
2540	CEOF
2541	EOF
2542
2543	cat >> $CONFIG_STATUS <<\EOF
2544
2545	# Split the substitutions into bite-sized pieces for seds with
2546	# small command number limits, like on Digital OSF/1 and HP-UX.
2547	ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
2548	ac_file=1 # Number of current file.
2549	ac_beg=1 # First line for current file.
2550	ac_end=$ac_max_sed_cmds # Line after last line for current file.
2551	ac_more_lines=:
2552	ac_sed_cmds=""
2553	while $ac_more_lines; do
2554	if test $ac_beg -gt 1; then
2555	sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
2556	else
2557	sed "${ac_end}q" conftest.subs > conftest.s$ac_file
2558	fi
2559	if test ! -s conftest.s$ac_file; then
2560	ac_more_lines=false
2561	rm -f conftest.s$ac_file
2562	else
2563	if test -z "$ac_sed_cmds"; then
2564	ac_sed_cmds="sed -f conftest.s$ac_file"
2565	else
2566	ac_sed_cmds="$ac_sed_cmds \| sed -f conftest.s$ac_file"
2567	fi
2568	ac_file=`expr $ac_file + 1`
2569	ac_beg=$ac_end
2570	ac_end=`expr $ac_end + $ac_max_sed_cmds`
2571	fi
2572	done
2573	if test -z "$ac_sed_cmds"; then
2574	ac_sed_cmds=cat
2575	fi
2576	EOF
2577
2578	cat >> $CONFIG_STATUS <<EOF
2579
2580	CONFIG_FILES=\${CONFIG_FILES-"${OUTPUT_MAKEFILES}"}
2581	EOF
2582	cat >> $CONFIG_STATUS <<\EOF
2583	for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
2584	# Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
2585	case "$ac_file" in
2586	:) ac_file_in=`echo "$ac_file"\|sed 's%[^:]*:%%'`
2587	ac_file=`echo "$ac_file"\|sed 's%:.*%%'` ;;
2588	*) ac_file_in="${ac_file}.in" ;;
2589	esac
2590
2591	# Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
2592
2593	# Remove last slash and all that follows it. Not all systems have dirname.
2594	ac_dir=`echo $ac_file\|sed 's%/[^/][^/]*$%%'`
2595	if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
2596	# The file is in a subdirectory.
2597	test ! -d "$ac_dir" && mkdir "$ac_dir"
2598	ac_dir_suffix="/`echo $ac_dir\|sed 's%^\./%%'`"
2599	# A "../" for each directory in $ac_dir_suffix.
2600	ac_dots=`echo $ac_dir_suffix\|sed 's%/[^/]*%../%g'`
2601	else
2602	ac_dir_suffix= ac_dots=
2603	fi
2604
2605	case "$ac_given_srcdir" in
2606	.) srcdir=.
2607	if test -z "$ac_dots"; then top_srcdir=.
2608	else top_srcdir=`echo $ac_dots\|sed 's%/$%%'`; fi ;;
2609	/*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
2610	*) # Relative path.
2611	srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
2612	top_srcdir="$ac_dots$ac_given_srcdir" ;;
2613	esac
2614
2615	case "$ac_given_INSTALL" in
2616	[/$]*) INSTALL="$ac_given_INSTALL" ;;
2617	*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
2618	esac
2619
2620	echo creating "$ac_file"
2621	rm -f "$ac_file"
2622	configure_input="Generated automatically from `echo $ac_file_in\|sed 's%.*/%%'` by configure."
2623	case "$ac_file" in
2624	Makefile) ac_comsub="1i\\
2625	# $configure_input" ;;
2626	*) ac_comsub= ;;
2627	esac
2628
2629	ac_file_inputs=`echo $ac_file_in\|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
2630	sed -e "$ac_comsub
2631	s%@configure_input@%$configure_input%g
2632	s%@srcdir@%$srcdir%g
2633	s%@top_srcdir@%$top_srcdir%g
2634	s%@INSTALL@%$INSTALL%g
2635	" $ac_file_inputs \| (eval "$ac_sed_cmds") > $ac_file
2636	fi; done
2637	rm -f conftest.s*
2638
2639	EOF
2640	cat >> $CONFIG_STATUS <<EOF
2641
2642	EOF
2643	cat >> $CONFIG_STATUS <<\EOF
2644
2645	exit 0
2646	EOF
2647	chmod +x $CONFIG_STATUS
2648	rm -fr confdefs* $ac_clean_files
2649	test "$no_create" = yes \|\| ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS \|\| exit 1
2650
2651	if test "$no_recursion" != yes; then
2652
2653	# Remove --cache-file and --srcdir arguments so they do not pile up.
2654	ac_sub_configure_args=
2655	ac_prev=
2656	for ac_arg in $ac_configure_args; do
2657	if test -n "$ac_prev"; then
2658	ac_prev=
2659	continue
2660	fi
2661	case "$ac_arg" in
2662	-cache-file \| --cache-file \| --cache-fil \| --cache-fi \
2663	\| --cache-f \| --cache- \| --cache \| --cach \| --cac \| --ca \| --c)
2664	ac_prev=cache_file ;;
2665	-cache-file=* \| --cache-file=* \| --cache-fil=* \| --cache-fi=* \
2666	\| --cache-f=* \| --cache-=* \| --cache=* \| --cach=* \| --cac=* \| --ca=* \| --c=*)
2667	;;
2668	-srcdir \| --srcdir \| --srcdi \| --srcd \| --src \| --sr)
2669	ac_prev=srcdir ;;
2670	-srcdir=* \| --srcdir=* \| --srcdi=* \| --srcd=* \| --src=* \| --sr=*)
2671	;;
2672	*) ac_sub_configure_args="$ac_sub_configure_args $ac_arg" ;;
2673	esac
2674	done
2675
2676	for ac_config_dir in $CONFIG_SUBDIRS; do
2677
2678	# Do not complain, so a configure script can configure whichever
2679	# parts of a large source tree are present.
2680	if test ! -d $srcdir/$ac_config_dir; then
2681	continue
2682	fi
2683
2684	echo configuring in $ac_config_dir
2685
2686	case "$srcdir" in
2687	.) ;;
2688	*)
2689	if test -d ./$ac_config_dir \|\| mkdir ./$ac_config_dir; then :;
2690	else
2691	{ echo "configure: error: can not create `pwd`/$ac_config_dir" 1>&2; exit 1; }
2692	fi
2693	;;
2694	esac
2695
2696	ac_popdir=`pwd`
2697	cd $ac_config_dir
2698
2699	# A "../" for each directory in /$ac_config_dir.
2700	ac_dots=`echo $ac_config_dir\|sed -e 's%^\./%%' -e 's%[^/]$%&/%' -e 's%[^/]*/%../%g'`
2701
2702	case "$srcdir" in
2703	.) # No --srcdir option. We are building in place.
2704	ac_sub_srcdir=$srcdir ;;
2705	/*) # Absolute path.
2706	ac_sub_srcdir=$srcdir/$ac_config_dir ;;
2707	*) # Relative path.
2708	ac_sub_srcdir=$ac_dots$srcdir/$ac_config_dir ;;
2709	esac
2710
2711	# Check for guested configure; otherwise get Cygnus style configure.
2712	if test -f $ac_sub_srcdir/configure; then
2713	ac_sub_configure=$ac_sub_srcdir/configure
2714	elif test -f $ac_sub_srcdir/configure.in; then
2715	ac_sub_configure=$ac_configure
2716	else
2717	echo "configure: warning: no configuration information is in $ac_config_dir" 1>&2
2718	ac_sub_configure=
2719	fi
2720
2721	# The recursion is here.
2722	if test -n "$ac_sub_configure"; then
2723
2724	# Make the cache file name correct relative to the subdirectory.
2725	case "$cache_file" in
2726	/*) ac_sub_cache_file=$cache_file ;;
2727	*) # Relative path.
2728	ac_sub_cache_file="$ac_dots$cache_file" ;;
2729	esac
2730	case "$ac_given_INSTALL" in
2731	[/$]*) INSTALL="$ac_given_INSTALL" ;;
2732	*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
2733	esac
2734
2735	echo "running ${CONFIG_SHELL-/bin/sh} $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_sub_srcdir"
2736	# The eval makes quoting arguments work.
2737	if eval ${CONFIG_SHELL-/bin/sh} $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_sub_srcdir
2738	then :
2739	else
2740	{ echo "configure: error: $ac_sub_configure failed for $ac_config_dir" 1>&2; exit 1; }
2741	fi
2742	fi
2743
2744	cd $ac_popdir
2745	done
2746	fi
2747

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