diff options
| author | Darren Tucker <dtucker@dtucker.net> | 2019-10-24 14:39:49 +1100 |
|---|---|---|
| committer | Darren Tucker <dtucker@dtucker.net> | 2019-10-24 14:39:49 +1100 |
| commit | 9239a18f96905cc1a353e861e33af093652f24e7 (patch) | |
| tree | ff85cf194358005ccfee2412e7fe010fbde9e7bd /configure.ac | |
| parent | b9705393be4612fd5e29d0cd8e7cf2b66ed19eb7 (diff) | |
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.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac index 3e93c027..8bc96bb4 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 $t -Werror" AC_LINK_IFELSE( - [AC_LANG_PROGRAM([[ #include <stdio.h> ]], + [AC_LANG_PROGRAM([[ + #include <stdio.h> + int func (int t) {char b[100]; snprintf(b,sizeof b,"%d",t); return t;} + ]], [[ char x[256]; - snprintf(x, sizeof(x), "XXX"); + snprintf(x, sizeof(x), "XXX%d", func(1)); ]])], [ AC_MSG_RESULT([yes]) CFLAGS="$saved_CFLAGS $t" LDFLAGS="$saved_LDFLAGS $t" AC_MSG_CHECKING([if $t works]) AC_RUN_IFELSE( - [AC_LANG_PROGRAM([[ #include <stdio.h> ]], + [AC_LANG_PROGRAM([[ + #include <stdio.h> + 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 ], |