diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac index 01b2c4058..44fff243e 100644 --- a/configure.ac +++ b/configure.ac @@ -351,18 +351,28 @@ if $(${CC} -Wdeclaration-after-statement -S -o /dev/null -xc /dev/null > /dev/nu AC_MSG_RESULT(yes) AST_DECLARATION_AFTER_STATEMENT=-Wdeclaration-after-statement else - AC_MSG_RESULT(no) - AST_DECLARATION_AFTER_STATEMENT= + AC_MSG_RESULT(no) + AST_DECLARATION_AFTER_STATEMENT= 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) AST_NO_STRICT_OVERFLOW=-fno-strict-overflow else - AC_MSG_RESULT(no) - AST_NO_STRICT_OVERFLOW= + AC_MSG_RESULT(no) + AST_NO_STRICT_OVERFLOW= fi AC_SUBST(AST_NO_STRICT_OVERFLOW) |