[Buildroot] [PATCH 1/1] package/gcc: pass -Wno-error to debug builds

DORMANTno replies REVIEWED: 1 (0M)

From: James Hilliard <hidden>
Date: 2020-03-24 17:36:53
Subsystem: the rest · Maintainer: Linus Torvalds

1 review trailer.

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);
                     ^

Reviewed-by: Romain Naour <redacted>
Signed-off-by: James Hilliard <redacted>
---
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
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