[XS] Change in coreboot[main]: Makefile: Warn if flexible array members are not at the end

[Felix Singer (Code Review)]

Felix Singer has submitted this change. ( https://review.coreboot.org/c/coreboot/+/77147?usp=email )

Change subject: Makefile: Warn if flexible array members are not at the end
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Makefile: Warn if flexible array members are not at the end

Change-Id: Ib704f7659d3b431ce7eebb4432c5b1a4272de3d2
Signed-off-by: Elyes Haouas 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77147
Reviewed-by: Maximilian Brune 
Reviewed-by: Felix Singer 
Tested-by: build bot (Jenkins) 
---
M Makefile.mk
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  Felix Singer: Looks good to me, approved
  Maximilian Brune: Looks good to me, approved
  build bot (Jenkins): Verified

diff --git a/Makefile.mk b/Makefile.mk
index e642ac7..0358c88 100644
--- a/Makefile.mk
+++ b/Makefile.mk
@@ -501,7 +501,7 @@
 CFLAGS_common += -fstrict-aliasing -ffunction-sections -fdata-sections -fno-pie
 CFLAGS_common += -Wstring-compare
 ifeq ($(CONFIG_COMPILER_GCC),y)
-CFLAGS_common += -Wold-style-declaration
+CFLAGS_common += -Wold-style-declaration -Wflex-array-member-not-at-end
 # Don't add these GCC specific flags when running scan-build
 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
 CFLAGS_common += -Wno-packed-not-aligned