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| author | fche <fche> | 2008-01-29 15:36:16 +0000 |
|---|---|---|
| committer | fche <fche> | 2008-01-29 15:36:16 +0000 |
| commit | bbfd8c1a59001a26cf04c34a97b247fbab9a5bad (patch) | |
| tree | a5a74ad372b6d9062b1076a5016a5d4bc497b070 /configure.ac | |
| parent | 564eb0a8ce73a298715c94e02988a29c2064a4ad (diff) | |
| download | systemtap-steved-bbfd8c1a59001a26cf04c34a97b247fbab9a5bad.tar.gz systemtap-steved-bbfd8c1a59001a26cf04c34a97b247fbab9a5bad.tar.xz systemtap-steved-bbfd8c1a59001a26cf04c34a97b247fbab9a5bad.zip | |
PR5647: build with -fstack-protector-all by default
2008-01-29 Frank Ch. Eigler <fche@elastic.org>
PR 5647
* configure.ac (--enable-ssp): Make default on compilers that
support it.
* configure: Regenerated.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index 445b592f..d8a7d38c 100644 --- a/configure.ac +++ b/configure.ac @@ -66,13 +66,18 @@ if test "$enable_prologues" = yes; then AC_DEFINE([ENABLE_PROLOGUES],[],[make -P prologue-searching default]) fi]) - AC_ARG_ENABLE([ssp], - [AS_HELP_STRING([--enable-ssp], [enable gcc stack-protector])]) -AS_IF([test "x$enable_ssp" == xyes], - [CFLAGS="$CFLAGS -fstack-protector-all -D_FORTIFY_SOURCE=2" + [AS_HELP_STRING([--disable-ssp], [disable gcc stack-protector])]) +AS_IF([test "x$enable_ssp" != xno],[ + save_CFLAGS="$CFLAGS" + save_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$CXXFLAGS -fstack-protector-all -D_FORTIFY_SOURCE=2" - AC_MSG_NOTICE([Compiling with gcc -fstack-protector-all et al.])]) + CFLAGS="$CFLAGS -fstack-protector-all -D_FORTIFY_SOURCE=2" + AC_COMPILE_IFELSE([int something ();], [ + AC_MSG_NOTICE([Compiling with gcc -fstack-protector-all et al.])], [ + AC_MSG_NOTICE([Compiler does not support -fstack-protector-all et al.]) + CFLAGS="$save_CFLAGS" + CXXFLAGS="$save_CXXFLAGS"])]) dnl Handle optional sqlite support. If enabled/disabled by the user, dnl do the right thing. If not specified by the user, use it if |