aboutsummaryrefslogtreecommitdiffstats
path: root/configure.ac
diff options
context:
space:
mode:
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac10
1 files changed, 10 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index b882d9440..a6d722f72 100644
--- a/configure.ac
+++ b/configure.ac
@@ -492,6 +492,16 @@ else
fi
AC_SUBST(AST_DECLARATION_AFTER_STATEMENT)
+AC_MSG_CHECKING(for _FORTIFY_SOURCE support)
+if $(${CC} -D_FORTIFY_SOURCE=2 -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
+ AC_MSG_RESULT(yes)
+ AST_FORTIFY_SOURCE=-D_FORTIFY_SOURCE=2
+else
+ AC_MSG_RESULT(no)
+ AST_FORTIFY_SOURCE=
+fi
+AC_SUBST(AST_FORTIFY_SOURCE)
+
AC_MSG_CHECKING(for -fno-strict-overflow)
if $(${CC} -O2 -fno-strict-overflow -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
AC_MSG_RESULT(yes)