diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 30113c154..26c6e5a28 100644 --- a/configure.ac +++ b/configure.ac @@ -515,6 +515,16 @@ 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) |