From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Hilliard Date: Tue, 7 Apr 2020 13:26:22 -0600 Subject: [Buildroot] [PATCH v3 1/1] package/gcc: pass -Wno-error to debug builds Message-ID: <20200407192622.46151-1-james.hilliard1@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Fixes: ../../../../libsanitizer/libbacktrace/../../libbacktrace/elf.c:772:21: error: ?st.st_mode? may be used uninitialized in this function [-Werror=maybe-uninitialized] return S_ISLNK (st.st_mode); ^ Upstream has been unable to reproduce/fix properly, details: https://gcc.gnu.org/legacy-ml/gcc-patches/2019-03/threads.html#00827 Upstream recommends passing -Wno-error as a workaround, see: https://gcc.gnu.org/pipermail/gcc-patches/2019-April/519867.html Reviewed-by: Romain Naour Signed-off-by: James Hilliard --- Changes v2 -> v3: - add more details to message Changes v1 -> v2: - add comment from Yocto recipes --- package/gcc/gcc.mk | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/package/gcc/gcc.mk b/package/gcc/gcc.mk index 524ca83db0..fe7167b2f3 100644 --- a/package/gcc/gcc.mk +++ b/package/gcc/gcc.mk @@ -100,6 +100,11 @@ HOST_GCC_COMMON_CONF_ENV = \ GCC_COMMON_TARGET_CFLAGS = $(TARGET_CFLAGS) GCC_COMMON_TARGET_CXXFLAGS = $(TARGET_CXXFLAGS) +# used to fix ../../../../libsanitizer/libbacktrace/../../libbacktrace/elf.c:772:21: error: ?st.st_mode? may be used uninitialized in this function [-Werror=maybe-uninitialized] +ifeq ($(BR2_ENABLE_DEBUG),y) +GCC_COMMON_TARGET_CFLAGS += -Wno-error +endif + # Propagate options used for target software building to GCC target libs HOST_GCC_COMMON_CONF_ENV += CFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CFLAGS)" HOST_GCC_COMMON_CONF_ENV += CXXFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CXXFLAGS)" -- 2.20.1