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configure.in @ 206aed

jengelh-datetimespielwiese

Last change on this file since 206aed was 206aed, checked in by Hans Schönemann <hannes@…>, 18 years ago
*hannes: HPUX port git-svn-id: file:///usr/local/Singular/svn/trunk@7925 2c84dea3-7e68-4137-9b89-c4e89433aadc
Property mode set to `100644`
File size: 23.3 KB

Line
1	dnl Process this file with autoconf to produce a configure script.
2	AC_INIT(mmalloc.cc)
3	AC_CONFIG_HEADER(mod2.h)
4	AC_CONFIG_HEADER(../kernel/mod2.h)
5
6	dnl lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
7	dnl determine singuname
8	dnl
9
10	AC_MSG_CHECKING(uname for singular)
11	AC_CACHE_VAL(ac_cv_singuname,
12	ac_cv_singuname="unknown"
13	if test -r "singuname.sh"; then
14	if (/bin/sh singuname.sh >/dev/null 2>&1) then
15	ac_cv_singuname=`/bin/sh singuname.sh`
16	fi
17	fi
18	if test "$ac_cv_singuname" = unknown && test -r "../singuname.sh"; then
19	if (/bin/sh ../singuname.sh >/dev/null 2>&1) then
20	ac_cv_singuname=`/bin/sh ../singuname.sh`
21	fi
22	fi
23	)
24	AC_MSG_RESULT($ac_cv_singuname)
25	if test "$ac_cv_singuname" = unknown; then
26	AC_MSG_WARN(Unknown architecture: Check singuname.sh)
27	ac_cv_singuname="unknown"
28	fi
29	AC_DEFINE_UNQUOTED(S_UNAME, "$ac_cv_singuname")
30	SINGUNAME=$ac_cv_singuname
31	AC_SUBST(SINGUNAME)
32
33	if test "$ac_cv_singuname" = ix86-Win; then
34	EXEC_EXT=".exe"
35	fi
36	AC_SUBST(EXEC_EXT)
37
38	SING_UNAME=`echo $SINGUNAME \| tr '-' '_' `
39	AC_SUBST(SING_UNAME)
40
41	# stupid Win programs do not like dots in their pathnames
42	VERSION_SEP="-"
43
44	dnl llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
45	dnl version stuff -- should be set in ../configure.in
46	dnl
47	dnl here are some defaults
48
49	SINGULAR_MAJOR_VERSION=${SINGULAR_MAJOR_VERSION:-2}
50	SINGULAR_MINOR_VERSION=${SINGULAR_MINOR_VERSION:-1}
51	SINGULAR_SUB_VERSION=${SINGULAR_SUB_VERSION:-99}
52	SINGULAR_VERSION="${SINGULAR_VERSION:-$SINGULAR_MAJOR_VERSION${VERSION_SEP}$SINGULAR_MINOR_VERSION${VERSION_SEP}$SINGULAR_SUB_VERSION}"
53	VERSION_DATE=${VERSION_DATE:-"February 2005"}
54
55	dnl pass them on into the Makefiles
56	AC_SUBST(SINGULAR_VERSION)
57	AC_SUBST(VERSION_DATE)
58	AC_SUBST(SINGULAR_MAJOR_VERSION)
59	AC_SUBST(SINGULAR_MINOR_VERSION)
60	AC_SUBST(SINGULAR_SUB_VERSION)
61	AC_DEFINE_UNQUOTED(SINGULAR_MAJOR_VERSION, ${SINGULAR_MAJOR_VERSION})
62	AC_DEFINE_UNQUOTED(SINGULAR_MINOR_VERSION, ${SINGULAR_MINOR_VERSION})
63	AC_DEFINE_UNQUOTED(SINGULAR_SUB_VERSION, ${SINGULAR_SUB_VERSION})
64	AC_DEFINE_UNQUOTED(S_VERSION1, "${SINGULAR_MAJOR_VERSION}${VERSION_SEP}${SINGULAR_MINOR_VERSION}${VERSION_SEP}${SINGULAR_SUB_VERSION}")
65	AC_DEFINE_UNQUOTED(S_VERSION2, "${VERSION_DATE}")
66	AC_DEFINE_UNQUOTED(SINGULAR_SUB_VERSION, ${SINGULAR_SUB_VERSION})
67
68
69	dnl lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
70	dnl compiler stuff
71	dnl is needed to check for libs and headers, later on
72	dnl
73	dnl we do not want to have "-g -O" for CFLAGS
74	if test "${CXXFLAGS+set}" != set; then
75	ac_cxxflags_set=no
76	CXXFLAGS="-O"
77	fi
78	if test "${CFLAGS+set}" != set; then
79	CFLAGS="-O"
80	ac_cflags_set=no
81	fi
82
83	# check whether CXX was set by user as env variable
84	if test "${CXX+set}" != set; then
85	ac_cxx_set=no
86	else
87	ac_cxx_set=yes
88	fi
89	AC_PROG_CC
90	AC_PROG_CPP
91	AC_PROG_CXX
92	AC_PROG_INSTALL
93	AC_AIX
94
95	# test for gcc-version: gcc2: prefer CC=gcc, CXX=gcc
96	# gcc3: CC=gcc CXX=g++
97	# other: CC=cc CXX=c++
98	AC_MSG_CHECKING(gcc version)
99	AC_CACHE_VAL(ac_cv_c_cpp,
100	ac_cv_c_cp="unknown"
101	if test -r "gccversion.sh"; then
102	ac_cv_c_cpp=`/bin/sh gccversion.sh`
103	fi
104	)
105	AC_MSG_RESULT($ac_cv_c_cpp)
106
107	# we prefer using gcc for compiling C++ files, provided the user did
108	# not overwrite it explicitely
109	if test "${GXX}" = yes && test "${ac_cxx_set}" = no; then
110	if test "${ac_cv_c_cpp}" = gcc2; then
111	CXX=gcc
112	elif test "${ac_cv_c_cpp}" = gcc3; then
113	CXX=g++
114	fi
115	temp_cflags=${CXXFLAGS}
116	AC_LANG_SAVE
117	AC_LANG_CPLUSPLUS
118	# check whether gcc accepts --no-rtti
119	AC_MSG_CHECKING(whether gcc accepts --no-rtti)
120	CXXFLAGS="${CXXFLAGS} --no-rtti"
121	AC_CACHE_VAL(ac_cv_cxx_have_rtti,
122	AC_TRY_COMPILE(,,ac_cv_cxx_have_rtti=yes,ac_cv_cxx_have_rtti=no)
123	)
124	AC_MSG_RESULT(${ac_cv_cxx_have_rtti})
125	if test "${ac_cv_cxx_have_rtti}" != yes; then
126	CXXFLAGS=$temp_flags
127	else
128	CXX="${CXX} --no-rtti"
129	fi
130
131	# check whether gcc accepts --no-exceptions
132	AC_MSG_CHECKING(whether gcc accepts --no-exceptions)
133	CXXFLAGS="${CXXFLAGS} --no-exceptions"
134	AC_CACHE_VAL(ac_cv_cxx_have_exceptions,
135	AC_TRY_LINK(,,ac_cv_cxx_have_exceptions=yes,ac_cv_cxx_have_exceptions=no)
136	)
137	AC_MSG_RESULT(${ac_cv_cxx_have_exceptions})
138	if test "${ac_cv_cxx_have_exceptions}" != yes; then
139	CXXFLAGS=$temp_flags
140	else
141	CXX="${CXX} --no-exceptions"
142	fi
143
144	AC_LANG_RESTORE
145	#CXXFLAGS=$temp_flags
146	#here is broking something
147	#uncommented breaks CXXFLAGS variable set
148	#only pipes would remain then in CXXFLAGS
149	fi
150
151	# check whether the compiler accepts -pipe
152	AC_MSG_CHECKING(whether compiler accepts -pipe)
153	temp_cflags=${CFLAGS}
154	CFLAGS="${CFLAGS} -pipe"
155	AC_CACHE_VAL(ac_cv_cxx_have_pipe,
156	AC_TRY_COMPILE(,,ac_cv_cxx_have_pipe=yes,ac_cv_cxx_have_pipe=no)
157	)
158	AC_MSG_RESULT(${ac_cv_cxx_have_pipe})
159	CFLAGS=${temp_cflags}
160	if test "${ac_cv_cxx_have_pipe}" != yes; then
161	PIPE=
162	else
163	PIPE="-pipe"
164	fi
165	AC_SUBST(PIPE)
166
167	# Customize CFLAGS
168	AC_MSG_CHECKING(whether _AIX is defined)
169	AC_CACHE_VAL(ac_cv_is_aix,
170	AC_EGREP_CPP(yes,
171	[#ifdef _AIX
172	yes
173	#endif
174	], ac_cv_is_aix=yes, ac_cv_is_aix=no, 1))
175	if test "$ac_cv_is_aix" = yes; then
176	AC_MSG_RESULT(yes)
177	else
178	AC_MSG_RESULT(no)
179	fi
180
181	# we know best when compiling with gcc
182	if test "${GXX}" = yes; then
183	if test "$ac_cxxflags_set" = no; then
184	CXXFLAGS="-O3 -w -fomit-frame-pointer"
185	fi
186	CXXTEMPLFLAGS="-fno-implicit-templates"
187	if test "$ac_cv_is_aix" = yes; then
188	CXXNOOPTFLAGS="-w"
189	else
190	CXXNOOPTFLAGS=$CXXFLAGS
191	fi
192	STATIC_LDFLAGS="-static"
193	else
194	CXXTEMPFLAGS=""
195	CXXNOOPTFLAGS=$CXXFLAGS
196	STATIC_LDFLAGS=""
197	fi
198	AC_SUBST(CXXTEMPLFLAGS)
199	AC_SUBST(CXXNOOPTFLAGS)
200	AC_SUBST(STATIC_LDFLAGS)
201
202	if test "${GCC}" = yes && test "$ac_cflags_set" = no ; then
203	CFLAGS="-O3 -w -fomit-frame-pointer"
204	fi
205
206	AC_PROG_MAKE_SET
207
208	dnl lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
209	dnl path stuff
210	dnl
211	AC_PREFIX_DEFAULT(`pwd`/..)
212
213	dnl set exec_prefix, bindir, libdir, includedir to some sensible values
214	dnl if they are not yet already set
215
216	# expand prefix
217	test "x$prefix" = xNONE && prefix=$ac_default_prefix
218	if test "${with_rootdir+set}" != set; then
219	AC_DEFINE_UNQUOTED(S_ROOT_DIR, "${prefix}")
220	else
221	AC_DEFINE_UNQUOTED(S_ROOT_DIR, "${with_rootdir}")
222	fi
223
224	# expand exec_prefixad
225	if test "x$exec_prefix" = xNONE; then
226	exec_prefix=${prefix}/${ac_cv_singuname}
227	fi
228
229	# expand bindir
230	test "x$bindir" = 'x${exec_prefix}/bin' && bindir="${exec_prefix}"
231	SINGULAR=${SINGULAR:-$bindir/Singular-$SINGULAR_MAJOR_VERSION${VERSION_SEP}$SINGULAR_MINOR_VERSION${VERSION_SEP}$SINGULAR_SUB_VERSION}
232	AC_SUBST(SINGULAR)
233	AC_DEFINE_UNQUOTED(S_BIN_DIR, "${bindir}")
234
235	# expand libdir
236	test "x$libdir" = 'x${exec_prefix}/lib'&& libdir="${exec_prefix}/lib"
237
238	# expand includedir
239	test "x$includedir" = 'x${prefix}/include' && includedir="${exec_prefix}/include"
240
241	# add to -I to CPPFLAGS and and -L to LDFLAGS, just to be sure
242	if test "$ac_cv_c_cpp" = gcc3 ; then
243	LDFLAGS="-L${libdir} ${LDFLAGS}"
244	CPPFLAGS="-I${includedir} ${CPPFLAGS}"
245	else
246	LDFLAGS="-L${libdir} ${LDFLAGS} -L/usr/local/lib"
247	CPPFLAGS="-I${includedir} ${CPPFLAGS} -I/usr/local/include"
248	fi
249
250	# this is a work-around to include the right term.h
251	if test "$ac_cv_singuname" = SunOS-5; then
252	CPPFLAGS="-I/usr/xpg4/include ${CPPFLAGS}"
253	fi
254
255
256	dnl lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
257	dnl Checks for programs.
258	dnl
259
260	# lex
261	if test "${with_lex+set}" != set; then
262	AC_MSG_CHECKING(for flex)
263	changequote(<<,>>)dnl
264	cmd="egrep [2-9]\.[5-9]"
265	changequote([,])dnl
266	AC_CACHE_VAL(ac_cv_prog_flex,
267	if (flex --version >/dev/null 2>&1)
268	then
269	if (flex --version \| $cmd >/dev/null 2>&1 )
270	then
271	ac_cv_prog_flex=flex
272	fi
273	fi
274	)
275	dnl changequote([,])dnl
276	if test "${ac_cv_prog_flex+set}" = set; then
277	AC_MSG_RESULT(flex)
278	LEX=flex
279	AC_SUBST(LEX)
280	else
281	AC_MSG_ERROR(can not find flex with version greater 2.4)
282	fi
283	elif test "${with_lex}" = no; then
284	AC_MSG_WARN(building without lex -- make might fail)
285	else
286	unset LEX
287	unset ac_cv_prog_LEX
288	AC_CHECK_PROGS(LEX, ${with_lex})
289	if test "x${LEX}" = x; then
290	AC_MSG_WARN(building without lex -- make might fail)
291	fi
292	fi
293
294	# bison
295	AC_CHECK_PROGS(BISON, bison)
296	if test "${BISON+set}" != set; then
297	AC_MSG_WARN(did not find bison -- make might fail)
298	fi
299
300	# ln -s
301	AC_PROG_LN_S
302
303	AC_CHECK_PROGS(PERL, perl5 perl)
304
305	dnl llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
306	dnl check for general libraries, header files, typedefs, etc
307	dnl
308	# lib checks
309	# under cygwin, we should not explicitly link with -lm, except for
310	# it really is the last thing to link with
311	if test "$ac_cv_singuname" != ix86-Win; then
312	AC_CHECK_LIB(m, atof)
313	fi
314	SAVE_LIBS=${LIBS}
315	LIBS=
316
317	dnl I'm not sure what they are for
318	dnl AC_CHECK_LIB(bsd, socket)
319	dnl AC_CHECK_LIB(socket, listen)
320	dnl AC_CHECK_LIB(nsl, gethostbyname)
321	dnl AC_CHECK_LIB(ucb, index)
322	dnl MP_LIBS=${LIBS}
323	# check for dl lib
324	case "$ac_cv_singuname" in
325	HPUX*)
326	AC_CHECK_LIB(dld, shl_load)
327	if test "$ac_cv_lib_dld_shl_load" = yes; then
328	LD_DYN_FLAGS="-ldld -Xlinker -E"
329	SFLAGS="-fpic -fPIC -DPIC"
330	SLDFLAGS="-fPIC -DPIC -shared"
331	LD=gcc
332	ac_lib_dl=yes
333	fi
334	;;
335	Linux)
336	AC_CHECK_LIB(dl, dlopen)
337	if test "$ac_cv_lib_dl_dlopen" = yes; then
338	LD_DYN_FLAGS="-ldl -rdynamic"
339	SFLAGS="-fpic -DPIC"
340	SLDFLAGS=-shared
341	LD=ld
342	ac_lib_dl=yes
343	fi
344	;;
345	IRIX-6)
346	LD_DYN_FLAGS="-lc"
347	SFLAGS="-fPIC -DPIC"
348	SLDFLAGS="-w -no_unresolved -_SYSTYPE_SVR4 -n32 -shared"
349	LD=ld
350	ac_lib_dl=yes
351	;;
352	SunOS-5)
353	AC_CHECK_LIB(dl, dlopen)
354	if test "$ac_cv_lib_dl_dlopen" = yes; then
355	LD_DYN_FLAGS="-ldl -Xlinker -E"
356	SFLAGS="-fpic -DPIC"
357	SLDFLAGS=-shared
358	LD=ld
359	ac_lib_dl=yes
360	fi
361	;;
362	esac
363	AC_SUBST(LD_DYN_FLAGS)
364	AC_SUBST(SFLAGS)
365	AC_SUBST(SLDFLAGS)
366	AC_SUBST(LD)
367	LIBS=${SAVE_LIBS}
368
369
370	# heder file checks
371	AC_HEADER_STDC
372	AC_CHECK_HEADERS(limits.h unistd.h,,
373	AC_MSG_ERROR(Can not compile without limits.h unistd.h))
374
375	AC_CHECK_HEADERS(sys/file.h sys/ioctl.h sys/time.h sys/times.h sys/types.h \
376	sys/stat.h fcntl.h sys/param.h pwd.h asm/sigcontext.h pwd.h termcap.h \
377	termios.h term.h readline/readline.h)
378
379	# typedefs, structures
380	AC_C_CONST
381	AC_C_INLINE
382	AC_TYPE_SIZE_T
383	AC_STRUCT_TM
384	AC_HEADER_TIME
385
386	# library functions.
387	AC_FUNC_ALLOCA
388	AC_PROG_GCC_TRADITIONAL
389	AC_FUNC_MMAP
390	AC_TYPE_SIGNAL
391	AC_FUNC_VPRINTF
392	AC_SEARCH_LIBS(setenv, bsd)
393	AC_CHECK_FUNCS(gettimeofday atexit bcopy getcwd getwd vsnprintf readlink \
394	sleep usleep getpwnam popen setenv siginterrupt)
395
396
397	dnl llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
398	dnl Find out more about particularity of the system
399	dnl
400
401	# arithmetic shifts
402	AC_MSG_CHECKING(whether your machine has correct arithmetic shifts)
403	AC_CACHE_VAL(ac_cv_shift, AC_TRY_RUN(
404	[ int main() { if (-2 >> 1 == -1) return(0); else return(1); } ],
405	ac_cv_shift=yes,
406	ac_cv_shift=no,
407	if test "$ac_c_cross_dos" = yes; then
408	ac_cv_shift=yes;
409	else
410	AC_MSG_RESULT(no)
411	AC_MSG_ERROR(cross compilation without default value)
412	fi))
413
414	if test "$ac_cv_shift" = yes; then
415	AC_MSG_RESULT(yes)
416	else
417	AC_MSG_RESULT(no)
418	AC_MSG_ERROR(need -2 >> 1 == -1)
419	fi
420
421
422	# check for a peculiar constructor initialization
423	AC_MSG_CHECKING(whether explicit C++ constructor calls are allowed)
424	AC_LANG_SAVE
425	AC_LANG_CPLUSPLUS
426	AC_CACHE_VAL(ac_cv_explicit_const,AC_TRY_COMPILE(,
427	class testclass
428	{
429	public:
430	int value;
431	testclass() : value(0) {}
432	testclass( int i ) : value(i) {}
433	~testclass() { value = 0; }
434	};
435
436	testclass ptr;
437	ptr.testclass(1);
438	, ac_cv_explicit_const=yes, ac_cv_explicit_const=no))
439	AC_LANG_RESTORE
440	AC_MSG_RESULT($ac_cv_explicit_const)
441	if test "$ac_cv_explicit_const" = yes; then
442	AC_DEFINE(HAVE_EXPLICIT_CONSTR)
443	fi
444
445	# sprintf returns number of printed chars
446	AC_MSG_CHECKING(whether vsprintf returns number of printed chars)
447	AC_CACHE_VAL(ac_cv_returns_n_of_chars, AC_TRY_RUN(
448	[#include <stdio.h>
449	main() { char str=(char)malloc(20); if (((int) sprintf(str,"123456789")) == 9) exit(0); else exit(1); }],
450	ac_cv_returns_n_of_chars=yes,
451	ac_cv_returns_n_of_chars=no,
452	ac_cv_returns_n_of_chars=no))
453	if test "$ac_cv_returns_n_of_chars" = yes; then
454	AC_MSG_RESULT(yes)
455	else
456	AC_MSG_RESULT(no)
457	AC_DEFINE(BSD_SPRINTF)
458	fi
459
460	# determine ALIGN_8
461	AC_CHECK_SIZEOF(char,1)
462	AC_CHECK_SIZEOF(short,2)
463	AC_CHECK_SIZEOF(int,4)
464	AC_CHECK_SIZEOF(long,4)
465	AC_CHECK_SIZEOF(void*,4)
466	AC_CHECK_SIZEOF(double, 8)
467	AC_C_BIGENDIAN
468	if test "$ac_cv_sizeof_int" != 4; then
469	AC_MSG_ERROR(need int to be four bytes long)
470	fi
471	if test "$ac_cv_sizeof_long" != "$ac_cv_sizeof_voidp"; then
472	AC_MSG_ERROR(need equal sizes for long and void*)
473	fi
474	if test "$ac_cv_sizeof_double" != 8; then
475	AC_MSG_ERROR(need double to b 8 bytes long)
476	fi
477	if test "$ac_cv_sizeof_voidp" != 4 && test "$ac_cv_sizeof_voidp" != 8; then
478	AC_MSG_ERROR(need void* to be 4 or 8 bytes long)
479	fi
480	if test "$ac_cv_sizeof_voidp" != 4; then
481	DEFS="-UOM_NDEBUG"
482	AC_SUBST(DEFS)
483	fi
484
485	dnl lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
486	dnl help for configure
487	dnl
488	AC_ARG_WITH(
489	rootdir,
490	[ --with-rootdir=DIR use DIR ass compiled-in root directory
491	(default is PREFIX)])
492	AC_ARG_WITH(
493	lex,
494	[ --with-lex=[LEX,no] uses LEX as lex program, default is flex])
495	AC_ARG_WITH(
496	readline,
497	[ --with-readline=[dynamic,static,no]
498	do use dynamic/static/no readline for fancy display])
499	AC_ARG_WITH(
500	MP,
501	[ --without-MP do not use MP (no MP links)])
502	AC_ARG_WITH(
503	dbm,
504	[ --without-dbm do not use dbm (no DBM links)])
505	AC_ARG_WITH(
506	factory,
507	[ --without-factory do not use factory (no poly factorization)])
508	AC_ARG_WITH(
509	libfac,
510	[ --without-libfac do not use libfac (no primary decompositions)])
511	AC_ARG_WITH(
512	namespaces,
513	[ --with-namespaces do compile namespace support])
514	AC_ARG_WITH(
515	dl,
516	[ --without-dl do not use dynamic linking, modules, and kernel])
517	AC_ARG_WITH(
518	dynamic-modules,
519	[ --with-dynamic-modules do compile with dynamic modules support])
520	AC_ARG_WITH(
521	dynamic-kernel,
522	[ --without-dynamic-kernel
523	do not compile with dynamic kernel parts])
524	AC_ARG_WITH(apint,
525	[ --with-apint=PACKAGE use PACKAGE for arbitary integer arithmetic])
526	AC_ARG_WITH(
527	Plural,
528	[ --with-Plural do compile with Plural support])
529	AC_ARG_WITH(
530	NTL,
531	[ --with-NTL build for use with NTL.],
532	,
533	with_NTL=yes)
534
535	dnl llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
536	dnl check for packages we need
537	dnl for gmp, MP, factory and libfac, we built them in, even if the libs
538	dnl and headers were not found under the condition that the respective
539	dnl --enable argument was given
540	dnl
541
542
543	AC_MSG_CHECKING(whether to use dynamic linking)
544	if test "$with_dl" != no && test "$ac_lib_dl" = yes; then
545	AC_DEFINE(HAVE_DL)
546	ac_have_dl=yes
547	AC_MSG_RESULT(yes)
548	else
549	AC_MSG_RESULT(no)
550	fi
551
552	AC_CHECK_LIB(ncurses,tgetent,,\
553	AC_CHECK_LIB(curses,tgetent,,\
554	AC_CHECK_LIB(termcap,tgetent)))
555
556	# readline
557	if test "$with_readline" = dynamic && test "$ac_have_dl" != yes; then
558	AC_MSG_WARN(can not build dynamic readline without dynamic linking)
559	with_readline=static
560	fi
561
562
563	if test "$with_readline" != dynamic && test "$with_readline" != no; then
564	AC_LANG_SAVE
565	AC_LANG_CPLUSPLUS
566	AC_CHECK_LIB(readline, rl_abort)
567	AC_CHECK_HEADERS(readline/readline.h readline/history.h)
568	if test "$ac_cv_lib_readline_rl_abort" = yes && \
569	test "$ac_cv_header_readline_readline_h" = yes; then
570	AC_MSG_CHECKING(whether readline.h is ok)
571	AC_CACHE_VAL(ac_cv_header_readline_readline_h_ok,
572	AC_TRY_LINK(
573	#include<unistd.h>
574	#include<stdio.h>
575	#include<readline/readline.h>
576	#ifdef HAVE_READLINE_HISTORY_H
577	#include<readline/history.h>
578	#endif
579	,
580	,
581	ac_cv_header_readline_readline_h_ok="yes",
582	ac_cv_header_readline_readline_h_ok="no",
583	))
584	AC_MSG_RESULT($ac_cv_header_readline_readline_h_ok)
585	if test "$ac_cv_header_readline_readline_h_ok" != yes; then
586	#not ok -- try once more with explicitly declaring everything
587	AC_MSG_CHECKING(whether or not we nevertheless can use readline)
588	AC_CACHE_VAL(ac_cv_have_readline,
589	AC_TRY_LINK(
590	#include <stdio.h>
591	extern "C"
592	{
593	extern char * rl_readline_name;
594	extern char *rl_line_buffer;
595	char *filename_completion_function();
596	typedef char **CPPFunction ();
597	extern char ** completion_matches ();
598	extern CPPFunction * rl_attempted_completion_function;
599	extern FILE * rl_outstream;
600	char * readline ();
601	void add_history ();
602	int write_history ();
603	int read_history();
604	}
605	#ifndef NULL
606	#define NULL 0
607	#endif
608	,
609	rl_readline_name=NULL;
610	*rl_line_buffer=1;
611	completion_matches(NULL, filename_completion_function);
612	rl_attempted_completion_function = (CPPFunction *) NULL;
613	rl_outstream=NULL;
614	readline(NULL);
615	add_history(NULL);
616	read_history(NULL);
617	write_history(NULL);
618	,
619	ac_cv_have_readline="yes"
620	,
621	ac_cv_have_readline="no"
622	))
623	AC_MSG_RESULT($ac_cv_have_readline)
624	else
625	AC_DEFINE(READLINE_READLINE_H_OK)
626	ac_cv_have_readline="yes"
627	fi
628	fi
629	if test "$ac_cv_have_readline" = yes; then
630	AC_DEFINE(HAVE_READLINE)
631	fi
632	AC_LANG_RESTORE
633	fi
634
635	AC_MSG_CHECKING(which readline to use)
636	if test "$ac_cv_with_readline" = dynamic; then
637	AC_MSG_RESULT(dynamic)
638	AC_DEFINE(HAVE_DYN_RL)
639	elif test "$ac_cv_have_readline" = yes; then
640	AC_MSG_RESULT(static)
641	elif test "$ac_cv_singuname" = PowerMacintosh-darwin; then
642	AC_MSG_ERROR(building without readline impossible on PowerMacintosh-darwin)
643	else
644	AC_MSG_RESULT(none)
645	AC_MSG_WARN(building without readline: disabling fancy display)
646	fi
647
648	NEED_LIBS=$LIBS
649
650	# gmp, smallgmp, MP, MPT, factory, libfac
651	AC_CHECK_LIB(gmp, main)
652	if test "ac_cv_lib_gmp_main" = yes && test "$with-apint" = smallgmp; then
653	LIBS=${NEED_LIBS}
654	fi
655	AC_CHECK_LIB(smallgmp, main)
656	SAVE_LIBS=$LIBS
657	AC_CHECK_LIB(MP, IMP_PutGmpInt,,,$MP_LIBS)
658	AC_CHECK_LIB(MPT, MPT_GetTree,,,$MP_LIBS)
659	LIBS=$SAVE_LIBS
660	AC_CHECK_LIB(singcf, atof)
661	AC_CHECK_LIB(singfac, atof)
662	AC_CHECK_LIB(omalloc, omTestAddr)
663	AC_CHECK_LIB(omalloc_ndebug, main)
664	AC_CHECK_LIB(ntl,main)
665
666	AC_CHECK_HEADERS(gmp.h smallgmp.h MP.h MPT.h factory.h factor.h omalloc.h \
667	omalloc.c)
668
669	if test "$ac_cv_lib_gmp_main" = yes && \
670	test "$ac_cv_header_gmp_h" = yes; then
671	ac_gmp_ok=yes
672	fi
673
674	if test "$ac_cv_lib_smallgmp_main" = yes && \
675	test "$ac_cv_header_smallgmp_h" = yes && \
676	test "$ac_cv_header_gmp_h" = yes; then
677	ac_smallgmp_ok=yes
678	fi
679
680	if test "$ac_cv_lib_MP_IMP_PutGmpInt" = yes && \
681	test "$ac_cv_lib_MPT_MPT_GetTree" && \
682	test "$ac_cv_header_MP_h" = yes && \
683	test "$ac_cv_header_MPT_h" = yes; then
684	ac_MP_ok=yes
685	fi
686
687	if test "$ac_cv_lib_singcf_atof" = yes && \
688	test "$ac_cv_header_factory_h" = yes; then
689	ac_factory_ok=yes
690	fi
691
692	if test "$ac_cv_lib_singfac_atof" = yes && \
693	test "$ac_cv_header_factor_h" = yes; then
694	ac_libfac_ok=yes
695	fi
696
697	if test "$ac_cv_lib_omalloc_omTestAddr" = yes && \
698	test "$ac_cv_lib_omalloc_ndebug_main" = yes && \
699	test "$ac_cv_header_omalloc_c" = yes && \
700	test "$ac_cv_header_omalloc_h" = yes; then
701	ac_cv_omalloc_ok=yes
702	fi
703
704	if test "$ac_cv_lib_ntl_main" = yes; then
705	ac_cv_ntl_ok=yes
706	fi
707
708	# evaluate results
709	dnl llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
710	dnl make sure that omalloc is there
711	dnl
712	if test "$ac_cv_omalloc_ok" != yes && test "$enable_omalloc" != yes; then
713	AC_MSG_ERROR(can not build without omalloc)
714	fi
715
716	AC_MSG_CHECKING(which apint package to use)
717	if test "${with_apint}" != gmp && test "${with_apint}" != smallgmp; then
718	if test "$ac_gmp_ok" = yes \|\| test "$enable_gmp" = yes; then
719	AC_MSG_RESULT(gmp)
720	will_have_gmp=yes
721	NEED_LIBS="-lgmp ${NEED_LIBS}"
722	elif test "ac_gmp_smallgmp_ok" = yes \|\| test "$enable_smallgmp" = "yes"; then
723	AC_MSG_RESULT(smallgmp)
724	AC_DEFINE(HAVE_SMALLGMP)
725	NEED_LIBS="-lsmallgmp ${NEED_LIBS}"
726	else
727	AC_MSG_RESULT(none)
728	AC_MSG_ERROR(can not build without gmp or smallgmp)
729	fi
730	elif test "${with_apint}" = gmp; then
731	if test "$ac_gmp_ok" = yes \|\| test "$enable_gmp" = yes; then
732	AC_MSG_RESULT(gmp)
733	will_have_gmp=yes
734	NEED_LIBS="-lgmp ${NEED_LIBS}"
735	else
736	AC_MSG_RESULT(none)
737	AC_MSG_ERROR(can not build with gmp)
738	fi
739	else
740	if test "ac_gmp_smallgmp_ok" = yes \|\| test "$enable_smallgmp" = "yes"; then
741	AC_MSG_RESULT(smallgmp)
742	AC_DEFINE(HAVE_SMALLGMP)
743	NEED_LIBS="-lsmallgmp ${NEED_LIBS}"
744	else
745	AC_MSG_RESULT(none)
746	AC_MSG_ERROR(can not build with smallgmp)
747	fi
748	fi
749
750	#
751	AC_MSG_CHECKING(whether to have MP)
752	if test "${with_MP}" != yes && test "${with_MP}" != no; then
753	if (test "${will_have_gmp}" = yes) && \
754	(test "$ac_MP_ok" = yes \|\| test "$enable_MP" = yes); then
755	AC_MSG_RESULT(yes)
756	AC_DEFINE(HAVE_MPSR)
757	HAVE_MPSR=1
758	MP_LIBS="-lMPT -lMP ${MP_LIBS}"
759	else
760	AC_MSG_RESULT(no)
761	fi
762	elif test "${with_MP}" = yes; then
763	if (test "${will_have_gmp}" = yes) && \
764	(test "$ac_MP_ok" = yes \|\| test "$enable_MP" = yes); then
765	AC_MSG_RESULT(yes)
766	AC_DEFINE(HAVE_MPSR)
767	HAVE_MPSR=1
768	MP_LIBS="-lMPT -lMP ${MP_LIBS}"
769	else
770	AC_MSG_RESULT(no)
771	AC_MSG_ERROR(can not build with MP)
772	fi
773	else
774	AC_MSG_RESULT(no)
775	fi
776	AC_SUBST(HAVE_MPSR)
777	AC_SUBST(MP_LIBS)
778
779	AC_MSG_CHECKING(whether to have NTL)
780	if test "${with_NTL}" = yes ; then
781	AC_MSG_RESULT(yes)
782	NEED_LIBS="-lntl ${NEED_LIBS}"
783	else
784	AC_MSG_RESULT(no)
785	fi
786
787	AC_MSG_CHECKING(whether to have factory)
788	if test "${with_factory}" != yes && test "${with_factory}" != no; then
789	if test "$ac_factory_ok" = yes \|\| test "$enable_factory" = yes; then
790	AC_MSG_RESULT(yes)
791	AC_DEFINE(HAVE_FACTORY)
792	will_have_factory=yes
793	NEED_LIBS="-lsingcf ${NEED_LIBS}"
794	else
795	AC_MSG_RESULT(no)
796	fi
797	elif test "${with_factory}" = yes; then
798	if test "$ac_factory_ok" = yes \|\| test "$enable_factory" = yes; then
799	AC_MSG_RESULT(yes)
800	AC_DEFINE(HAVE_FACTORY)
801	will_have_factory=yes
802	NEED_LIBS="-lsingcf ${NEED_LIBS}"
803	else
804	AC_MSG_RESULT(no)
805	AC_MSG_ERROR(can not build with factory)
806	fi
807	else
808	AC_MSG_RESULT(no)
809	fi
810
811	AC_MSG_CHECKING(whether to have libfac)
812	if test "${with_libfac}" != yes && test "${with_libfac}" != no; then
813	if (test "${will_have_factory}" = yes) && \
814	(test "$ac_libfac_ok" = yes \|\| test "$enable_libfac" = yes); then
815	AC_MSG_RESULT(yes)
816	AC_DEFINE(HAVE_LIBFAC_P)
817	NEED_LIBS="-lsingfac ${NEED_LIBS}"
818	else
819	AC_MSG_RESULT(no)
820	fi
821	elif test "${with_libfac}" = yes; then
822	if (test "${will_have_factory}" = yes) && \
823	(test "$ac_libfac_ok" = yes \|\| test "$enable_libfac" = yes); then
824	AC_MSG_RESULT(yes)
825	AC_DEFINE(HAVE_LIBFAC_P)
826	NEED_LIBS="-lsingfac ${NEED_LIBS}"
827	else
828	AC_MSG_RESULT(no)
829	AC_MSG_ERROR(can not build with libfac)
830	fi
831	else
832	AC_MSG_RESULT(no)
833	fi
834
835
836	AC_SUBST(NEED_LIBS)
837
838	AC_MSG_CHECKING(whether to have dbm links)
839	if test "$with_dbm" != no; then
840	AC_DEFINE(HAVE_DBM)
841	AC_MSG_RESULT(yes)
842	else
843	AC_MSG_RESULT(no)
844	fi
845
846	AC_MSG_CHECKING(whether to have namespaces)
847	if test "$with_namespaces" != no; then
848	AC_MSG_RESULT(yes)
849	AC_DEFINE(HAVE_NS)
850	else
851	AC_MSG_RESULT(no)
852	fi
853
854	AC_MSG_CHECKING(whether to have dynamic modules)
855	if test "$with_dynamic_modules" = no \|\| test "$ac_have_dl" != yes; then
856	AC_MSG_RESULT(no)
857	else
858	AC_DEFINE(HAVE_DYNAMIC_LOADING)
859	AC_MSG_RESULT(yes)
860	fi
861
862	AC_MSG_CHECKING(whether to have dynamic kernel)
863	if test "$with_dynamic_kernel" != no && test "$ac_lib_dl" = yes; then
864	DL_KERNEL=1
865	AC_SUBST(DL_KERNEL)
866	AC_MSG_RESULT(yes)
867	else
868	AC_MSG_RESULT(no)
869	fi
870
871	AC_MSG_CHECKING(whether to have Plural)
872	if test "$with_Plural" != yes && test "$enable_Plural" != yes; then
873	AC_MSG_RESULT(no)
874	else
875	AC_DEFINE(HAVE_PLURAL)
876	AC_MSG_RESULT(yes)
877	PLURAL=1
878	AC_SUBST(PLURAL)
879	fi
880
881
882	OUTPUT_MAKEFILES="Makefile ../kernel/Makefile"
883
884	if test "$ac_cv_singuname" = "ix86-Win"; then
885	OUTPUT_MAKEFILES="${OUTPUT_MAKEFILES} Singular.rc"
886	fi
887
888	AC_OUTPUT(${OUTPUT_MAKEFILES}, \
889	cp mod2.h ../kernel/mod2.h; \
890	if test "$CONFIG_HEADERS"; then echo timestamp > stamp-h; fi)

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