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Change -fstack-protector flag to -fstack-protector-all

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We only use it with --enable-debug, so we might as well go all out and try
to find any attempt of stack smashing.

Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dan McGee 2007-11-06 16:07:33 -06:00
parent 4bbb055cd9
commit 0e83f12f4a
1 changed files with 4 additions and 4 deletions
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8
acinclude.m4
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@ -4891,20 +4891,20 @@ AC_DEFUN([GCC_STACK_PROTECT_LIB],[
])
dnl GCC_STACK_PROTECT_CC
dnl checks -fstack-protector with the C compiler, if it exists then updates
dnl checks -fstack-protector-all with the C compiler, if it exists then updates
dnl CFLAGS and defines ENABLE_SSP_CC
AC_DEFUN([GCC_STACK_PROTECT_CC],[
AC_LANG_ASSERT(C)
if test "X$CC" != "X"; then
AC_CACHE_CHECK([whether ${CC} accepts -fstack-protector],
AC_CACHE_CHECK([whether ${CC} accepts -fstack-protector-all],
ssp_cv_cc,
[ssp_old_cflags="$CFLAGS"
CFLAGS="$CFLAGS -fstack-protector"
CFLAGS="$CFLAGS -fstack-protector-all"
AC_TRY_COMPILE(,, ssp_cv_cc=yes, ssp_cv_cc=no)
CFLAGS="$ssp_old_cflags"
])
if test $ssp_cv_cc = yes; then
CFLAGS="$CFLAGS -fstack-protector"
CFLAGS="$CFLAGS -fstack-protector-all"
AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
fi
fi