Changeset 227 for trunk/aclocal.m4

Timestamp:

Apr 20, 2009, 5:59:31 PM (16 years ago)

Author:

katerina

Message:

Fix warnings with -fstack-check

File:

• trunk/aclocal.m4 (modified) (1 diff)

trunk/aclocal.m4

@@ -1202 +1202 @@
 ])
 
+AC_DEFUN([GCC_STACK_CHECK_CC],[
+  AC_LANG_ASSERT(C)
+  if test "X$CC" != "X"; then
+    AC_CACHE_CHECK([whether ${CC} accepts -fstack-check],
+      stackcheck_cv_cc,
+      [stackcheck_old_cflags="$CFLAGS"
+       CFLAGS="$CFLAGS -fstack-check"
+       AC_TRY_COMPILE(,, stackcheck_cv_cc=yes, stackcheck_cv_cc=no)
+       CFLAGS="$stackcheck_old_cflags"
+      ])
+    if test $stackcheck_cv_cc = yes; then
+      CFLAGS="$CFLAGS -fstack-check"
+    fi
+  fi
+])
+
 AC_DEFUN([GCC_WEMPTY_BODY],[
   AC_LANG_ASSERT(C)