diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 118861969..b0dee0f35 100644 --- a/configure.ac +++ b/configure.ac @@ -491,14 +491,24 @@ AC_SUBST(AST_DECLARATION_AFTER_STATEMENT) 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 + AC_MSG_RESULT(yes) + AST_NO_STRICT_OVERFLOW=-fno-strict-overflow else AC_MSG_RESULT(no) AST_NO_STRICT_OVERFLOW= fi AC_SUBST(AST_NO_STRICT_OVERFLOW) +AC_MSG_CHECKING(for -Wshadow) +if $(${CC} -Wshadow -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then + AC_MSG_RESULT(yes) + AST_SHADOW_WARNINGS=-Wshadow +else + AC_MSG_RESULT(no) + AST_SHADOW_WARNINGS= +fi +AC_SUBST(AST_SHADOW_WARNINGS) + AC_MSG_CHECKING(for sysinfo) AC_LINK_IFELSE( AC_LANG_PROGRAM([#include <sys/sysinfo.h>], |