From 9239a18f96905cc1a353e861e33af093652f24e7 Mon Sep 17 00:00:00 2001 From: Darren Tucker Date: Thu, 24 Oct 2019 14:39:49 +1100 Subject: Add a function call stackprotector tests. Including a function call in the test programs for the gcc stack protector flag tests exercises more of the compiler and makes it more likely it'll detect problems. --- configure.ac | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/configure.ac b/configure.ac index 3e93c0276..8bc96bb45 100644 --- a/configure.ac +++ b/configure.ac @@ -213,20 +213,26 @@ if test "$GCC" = "yes" || test "$GCC" = "egcs"; then CFLAGS="$CFLAGS $t -Werror" LDFLAGS="$LDFLAGS $t -Werror" AC_LINK_IFELSE( - [AC_LANG_PROGRAM([[ #include ]], + [AC_LANG_PROGRAM([[ + #include + int func (int t) {char b[100]; snprintf(b,sizeof b,"%d",t); return t;} + ]], [[ char x[256]; - snprintf(x, sizeof(x), "XXX"); + snprintf(x, sizeof(x), "XXX%d", func(1)); ]])], [ AC_MSG_RESULT([yes]) CFLAGS="$saved_CFLAGS $t" LDFLAGS="$saved_LDFLAGS $t" AC_MSG_CHECKING([if $t works]) AC_RUN_IFELSE( - [AC_LANG_PROGRAM([[ #include ]], + [AC_LANG_PROGRAM([[ + #include + int func (int t) {char b[100]; snprintf(b,sizeof b,"%d",t); return t;} + ]], [[ char x[256]; - snprintf(x, sizeof(x), "XXX"); + snprintf(x, sizeof(x), "XXX%d", func(1)); ]])], [ AC_MSG_RESULT([yes]) break ], -- cgit v1.2.3