Changeset 7d160bb in git for configure.ac

Timestamp:

May 24, 2013, 2:39:16 PM (11 years ago)

Author:

Oleksandr Motsak <motsak@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

55150e5fbf40e9e0fa5d2c2fe5efd309f4ab2e12

Parents:

35564a593038fa54330b221ac4ac3342667c31ea

git-author:

Oleksandr Motsak <motsak@mathematik.uni-kl.de>2013-05-24 14:39:16+02:00

git-committer:

Oleksandr Motsak <motsak@mathematik.uni-kl.de>2013-05-24 16:33:55+02:00

Message:

Better compiler flags handling by BS

fix: empty default compiler flags
add: use optimization flags by default (incompatible with debug, see --disable-optimizationflags)
add: check multiple compiler flags (debug/optimization)

NOTE: some optimization flags lead to GCC crashes.
NOTE: no implicit templates cannot be used due to some templated code (tgb*) :(

File:

• configure.ac (modified) (6 diffs)

configure.ac

@@ -12 +12 @@
 AM_MAINTAINER_MODE
 AM_INIT_AUTOMAKE([-Wall foreign subdir-objects]) # -Wno-extra-portability -Werror silent-rules
+
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
-m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
-
 
 dnl Check if build env is sane
@@ -21 +20 @@
 #
 # - Check for CC and CXX but be careful about CFLAGS.
-#
+SING_RESET_FLAGS()
+SING_CHECK_SET_ARGS()
 
-test "${CFLAGS+set}" = set || cflags_expl_set=no
+#!
 AC_PROG_CC
-test "${CXXFLAGS+set}" = set || cxxflags_expl_set=no
 AC_PROG_CXX
-if test "x$GCC" != xyes && test "x$GXX" != xyes; then
-  AC_MSG_WARN(you better use gcc to compile Factory)
-else
-  if test "x$GXX" = xyes && test "x$cxxflags_expl_set" = xno; then
-    AC_MSG_WARN([we use \`' as default for \`CXXFLAGS'
-                    (instead of the configure default \`-g -O')])
-  fi
-  if test "x$GCC" = xyes && test "x$cflags_expl_set" = xno; then
-    AC_MSG_WARN([we use \`' as default for \`CFLAGS'
-                    (instead of the configure default \`-g -O')])
-  fi
-fi
-
+AC_PROG_CPP
+AC_PROG_CXXCPP
+AM_PROG_CC_C_O
+### AM_PROG_LEX
+AC_PROG_LN_S
+AC_PROG_INSTALL
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 
 AC_HEADER_STDC
@@ -46 +39 @@
 AC_CHECK_FUNCS(readlink getcwd getwd setenv putenv)
 
-
-AC_PROG_CPP
-AC_PROG_CXXCPP
-AM_PROG_CC_C_O
-### AM_PROG_LEX
-AC_PROG_LN_S
-AC_PROG_INSTALL
 
 AC_CHECK_PROGS([DOXYGEN], [doxygen])
@@ -97 +83 @@
 SING_CHECK_GFANLIB
 
-# CFLAGS
-if test "x$GCC" = xyes && test "x$cflags_expl_set" = xno; then
-  CFLAGS=""
-fi
-
-# CXXFLAGS
-if test "x$GXX" = xyes && test "x$cxxflags_expl_set" = xno; then
-  CXXFLAGS=""
-fi
-
-AC_DEFINE_UNQUOTED([CC],"$CC",[CC])
-AC_DEFINE_UNQUOTED([CXX],"$CXX",[CXX])
-AC_DEFINE_UNQUOTED([CFLAGS],"$CFLAGS",[CFLAGS])
-AC_DEFINE_UNQUOTED([CXXFLAGS],"$CXXFLAGS",[CXXFLAGS])
-AC_DEFINE_UNQUOTED([LDFLAGS],"$LDFLAGS",[LDFLAGS])
-
 ### the following is needed due to the use of om_sing_opt_show_mem in misc_ip.cc...
 #ac_configure_args="$ac_configure_args --with-external-config_h=../Singular/omSingularConfig.h"
@@ -138 +108 @@
 fi
 
-SING_CHECK_DEBUG
-
 AC_ARG_ENABLE(countedref, AS_HELP_STRING([--enable-countedref], [Enable autoloading of reference counted types]),
 [if test "x$enableval" = "xyes"; then
@@ -164 +132 @@
 fi[]dnl
 ])])
+
+
+AC_DEFINE_UNQUOTED([CC],"$CC",[CC])
+AC_DEFINE_UNQUOTED([CXX],"$CXX",[CXX])
+AC_DEFINE_UNQUOTED([CFLAGS],"$CFLAGS",[CFLAGS])
+AC_DEFINE_UNQUOTED([CXXFLAGS],"$CXXFLAGS",[CXXFLAGS])
+AC_DEFINE_UNQUOTED([DEFS],"$DEFS",[DEFS])
+AC_DEFINE_UNQUOTED([CPPFLAGS],"$CPPFLAGS",[CPPFLAGS])
+AC_DEFINE_UNQUOTED([LDFLAGS],"$LDFLAGS",[LDFLAGS])
+AC_DEFINE_UNQUOTED([LIBS],"$LIBS",[LIBS])
+ 
+  
+SING_SHOW_FLAGS([Compiler/linker flags: ])