util/xcompile: Only use -Wno-address-of-packed-member if supported

I thought gcc ignores -Wno-* stuff that it doesn't know about, but
apparently not.

Change-Id: If265a7bcdcfb5e83cc06b1f914dd6bab964eaca6
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37037
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
This commit is contained in:
Patrick Georgi 2019-11-20 22:07:39 +01:00
parent 490eab46a8
commit 9ea4c8a71e
1 changed files with 3 additions and 1 deletions

View File

@ -185,6 +185,8 @@ detect_special_flags() {
testcc "$GCC" "$CFLAGS_GCC -Wl,--build-id=none" &&
CFLAGS_GCC="$CFLAGS_GCC -Wl,--build-id=none"
testcc "$GCC" "$CFLAGS_GCC -Wno-address-of-packed-member" &&
CFLAGS_GCC="$CFLAGS_GCC -Wno-address-of-packed-member"
case "$architecture" in
x86)
;;
@ -219,7 +221,7 @@ SUBARCH_SUPPORTED+=${TSUPP-${TARCH}}
GCC_CC_${TARCH}:=${GCC}
GCC_CFLAGS_${TARCH}:=${CFLAGS_GCC}
# Generally available for GCC's cc1:
GCC_CFLAGS_${TARCH}+=-Wlogical-op -Wno-address-of-packed-member
GCC_CFLAGS_${TARCH}+=-Wlogical-op
GCC_ADAFLAGS_${TARCH}:=${CFLAGS_GCC}
GCC_COMPILER_RT_${TARCH}:=${CC_RT_GCC}
GCC_COMPILER_RT_FLAGS_${TARCH}:=${CC_RT_EXTRA_GCC}