diff options
| -rw-r--r-- | configure.ac | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index d40fb38360..58bba54c6e 100644 --- a/configure.ac +++ b/configure.ac @@ -114,6 +114,23 @@ AS_IF([test "x$enable_address_sanitizer" = "xyes"], [ address_sanitizer_ldflags="-Wc,-fsanitize=address" ]) +undefined_sanitizer_cflags= +undefined_sanitizer_cppflags= +undefined_sanitizer_ldflags= +AC_ARG_ENABLE(undefined-sanitizer, AS_HELP_STRING([--enable-undefined-sanitizer], [enable -fsanitize=undefined])) +AS_IF([test "x$enable_undefined_sanitizer" = "xyes"], [ + CC_CHECK_FLAG_APPEND([with_us_cflags], [CFLAGS], [-fsanitize=undefined]) + AS_IF([test -z "$with_us_cflags"], + [AC_MSG_ERROR([*** -fsanitize=undefined is not supported])]) + undefined_sanitizer_cflags="$with_us_cflags -fno-omit-frame-pointer -DVALGRIND=1" + undefined_sanitizer_cppflags="-DVALGRIND=1" + undefined_sanitizer_ldflags="-Wc,-fsanitize=undefined" + ]) + +sanitizer_cflags="$address_sanitizer_cflags $undefined_sanitizer_cflags" +sanitizer_cppflags="$address_sanitizer_cppflags $undefined_sanitizer_cppflags" +sanitizer_ldflags="$address_sanitizer_ldflags $undefined_sanitizer_ldflags" + CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\ -pipe \ -Wall \ @@ -162,13 +179,13 @@ AS_CASE([$CFLAGS], [*-O[[12345\ ]]*], [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\ -flto])], [AC_MSG_RESULT([skipping -flto, optimization not enabled])]) -AC_SUBST([OUR_CFLAGS], "$with_cflags $address_sanitizer_cflags") +AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags") AS_CASE([$CFLAGS], [*-O[[12345\ ]]*], [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\ -Wp,-D_FORTIFY_SOURCE=2])], [AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])]) -AC_SUBST([OUR_CPPFLAGS], "$with_cppflags $address_sanitizer_cppflags") +AC_SUBST([OUR_CPPFLAGS], "$with_cppflags $sanitizer_cppflags") CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\ -Wl,--as-needed \ @@ -177,7 +194,7 @@ CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\ -Wl,-z,relro \ -Wl,-z,now \ -Wl,-fuse-ld=gold]) -AC_SUBST([OUR_LDFLAGS], "$with_ldflags $address_sanitizer_ldflags") +AC_SUBST([OUR_LDFLAGS], "$with_ldflags $sanitizer_ldflags") AC_CHECK_SIZEOF(pid_t) AC_CHECK_SIZEOF(uid_t) |