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Use AC_GCC_VERSION to work around gcc-4.2 inline warning stupidity.

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This commit is contained in:
Erik de Castro Lopo 2007-11-05 15:18:42 +11:00
parent 59e7515972
commit 5406298115
2 changed files with 23 additions and 3 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2007-11-05 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* M4/gcc_version.m4
Add macro AC_GCC_VERSION to detect GCC_MAJOR_VERSION and GCC_MINOR_VERSION.
* configure.ac
Use AC_GCC_VERSION to work around gcc-4.2 inline warning stupidity.
See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33995
Use -fgnu-inline to prevent stupid warnings.
2007-11-03 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* tests/util.tpl

16
configure.ac
View File

@ -508,6 +508,18 @@ win32_target_dll=0
if test x$ac_cv_c_compiler_gnu = xyes ; then
AC_ADD_CFLAGS(-std=gnu99)
AC_GCC_VERSION
if test "x$GCC_MAJOR_VERSION$GCC_MINOR_VERSION" = "x42" ; then
AC_MSG_WARN([****************************************************************])
AC_MSG_WARN([** GCC version 4.2 warns about the inline keyword for no good **])
AC_MSG_WARN([** reason but the maintainers do not see it as a bug. **])
AC_MSG_WARN([** See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33995 **])
AC_MSG_WARN([** Use -fgnu-inline to avoid this stupidity. **])
AC_MSG_WARN([****************************************************************])
AC_ADD_CFLAGS([-fgnu89-inline])
fi
CFLAGS="$CFLAGS -W -Wall"
CXXFLAGS="$CXXFLAGS -W -Wall"
@ -568,8 +580,6 @@ if test x$ac_cv_c_compiler_gnu = xyes ; then
fi
AC_DEFINE([COMPILER_IS_GCC],1, [Set to 1 if the compile is GNU GCC.])
GCC_MAJOR_VERSION=`$CC -dumpversion | sed "s/\..*//"`
AC_DEFINE_UNQUOTED([GCC_MAJOR_VERSION],${GCC_MAJOR_VERSION}, [Major version of GCC or 3 otherwise.])
fi
AC_DEFINE_UNQUOTED(WIN32_TARGET_DLL, ${win32_target_dll}, [Set to 1 if windows DLL is being built.])
@ -646,7 +656,7 @@ AC_MSG_RESULT([
if test x$ac_cv_c_compiler_gnu = xyes ; then
echo -e " Tools :\n"
echo " Compiler is GCC : ............. ${ac_cv_c_compiler_gnu}"
echo " GCC major version : ........... ${GCC_MAJOR_VERSION}"
echo " GCC version : ................. ${GCC_VERSION}."
if test $GCC_MAJOR_VERSION -lt 3 ; then
echo -e "\n ** This compiler version allows applications to write"
echo " ** to static strings within the library."