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Code Issues Releases Wiki Activity

check if gcc supports -fstack-protector

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This commit is contained in:
Florian Westphal 2005-08-30 20:59:30 +00:00
parent 30c11b2313
commit a7197f579c
1 changed files with 21 additions and 1 deletions
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22
configure.in
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@ -8,7 +8,7 @@
# (at your option) any later version.
# Please read the file COPYING, README and AUTHORS for more information.
#
# $Id: configure.in,v 1.115 2005/07/22 21:02:22 alex Exp $
# $Id: configure.in,v 1.116 2005/08/30 20:59:30 fw Exp $
#
# -- Initialisation --
@ -61,6 +61,25 @@ if test "$GCC" = "yes"; then
CFLAGS="$CFLAGS -pipe -W -Wall -Wpointer-arith -Wstrict-prototypes"
fi
AC_DEFUN([GCC_STACK_PROTECT_CC],[
ssp_cc=yes
if test "X$CC" != "X"; then
AC_MSG_CHECKING([whether ${CC} accepts -fstack-protector])
ssp_old_cflags="$CFLAGS"
CFLAGS="$CFLAGS -fstack-protector"
AC_TRY_COMPILE(,,, ssp_cc=no)
echo $ssp_cc
if test "X$ssp_cc" = "Xno"; then
CFLAGS="$ssp_old_cflags"
else
AC_DEFINE([ENABLE_SSP_CC], 1, [Define if SSP C support is enabled.])
fi
fi
])
GCC_STACK_PROTECT_CC
case "$target_os" in
hpux*)
# This is HP/UX, we need to define _XOPEN_SOURCE_EXTENDED
@ -105,6 +124,7 @@ AC_TRY_COMPILE([
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
# -- Libraries --
AC_CHECK_LIB(UTIL,memmove)