Enable -Wundef by default

BUG=webm:1069 Change-Id: I43728f9fd007542718a55d5fdcbc63a8d2f86682
2016-08-31 22:17:38 -07:00 · 2016-08-31 22:17:38 -07:00 · 4d1c117f5b
commit 4d1c117f5b
parent 1139f0dbc2
1 changed files with 3 additions and 0 deletions
--- a/3
+++ b/3
@ -574,6 +574,9 @@ process_toolchain() {
        check_add_cflags -Wimplicit-function-declaration
        check_add_cflags -Wuninitialized
        check_add_cflags -Wunused
+        # check_add_cflags also adds to cxxflags. gtest does not do well with
+        # -Wundef so add it explicitly to CFLAGS only.
+        check_cflags -Wundef && add_cflags_only -Wundef
        case ${CC} in
          *clang*)
              # libvpx and/or clang have issues with aliasing: