diff options
Diffstat (limited to 'system/gcc/gcc-4.8-build-args.patch')
| -rw-r--r-- | system/gcc/gcc-4.8-build-args.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/system/gcc/gcc-4.8-build-args.patch b/system/gcc/gcc-4.8-build-args.patch new file mode 100644 index 000000000..c27e00961 --- /dev/null +++ b/system/gcc/gcc-4.8-build-args.patch @@ -0,0 +1,41 @@ +When cross compiling a target gcc, target flags may be used on the host + +Configure identifies a number of warning flags (WARN_CFLAGS and +WARN_CXXFLAGS) from the $CC value. The cross compiler may be different +from the host compiler and may not support the same set of flags. This +leads to problems such as: + +cc1plus: error: unrecognized command line option "-Wno-narrowing" +cc1plus: error: unrecognized command line option "-Wno-overlength-strings" + +Work around this problem by removing the warning flags from the +BUILD_CXXFLAGS value, in a way similar to the BUILD_CFLAGS. + +Upstream-Status: Pending + +Signed-off-by: Mark Hatle <mark.hatle@windriver.com> + +Index: gcc-4.8.0/gcc/configure +=================================================================== +--- gcc-4.8.0.orig/gcc/configure ++++ gcc-4.8.0/gcc/configure +@@ -11720,6 +10581,7 @@ STMP_FIXINC=stmp-fixinc + if test x$build != x$host || test "x$coverage_flags" != x + then + BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)' ++ BUILD_CXXFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)' + BUILD_LDFLAGS='$(LDFLAGS_FOR_BUILD)' + fi + +Index: gcc-4.8.0/gcc/configure.ac +=================================================================== +--- gcc-4.8.0.orig/gcc/configure.ac ++++ gcc-4.8.0/gcc/configure.ac +@@ -1901,6 +1901,7 @@ STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_F + if test x$build != x$host || test "x$coverage_flags" != x + then + BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)' ++ BUILD_CXXFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)' + BUILD_LDFLAGS='$(LDFLAGS_FOR_BUILD)' + fi + |