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BaseTools: Factorize GCC flags 

GCC48_ALL_CC_FLAGS has no dependency on GCC_ALL_CC_FLAGS.
By definition, there should be such dependency.

The outcomes of this patch is that GCC48_ALL_CC_FLAGS and
other dependent configurations will inherit from the
additional "-Os" flag.
The "-Os" flag optimizes a build in size, not breaking any
build. In a gcc command line, the last optimization flag
has precedence. This means that this "-Os" flag will be
overriden by a more specific optimization configuration,
provided that this more specific flag is appended at the
end of the CC_FLAGS.

Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Suggested-by: Tomas Pilar <Tomas.Pilar@arm.com>

Reviewed-by: Bob Feng<bob.c.feng@intel.com>
This commit is contained in:
Pierre Gondois 2020-07-07 16:35:22 +08:00 committed by mergify[bot]
parent dbd546a32d
commit 17bd834eb5
1 changed files with 1 additions and 1 deletions
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BaseTools/Conf/tools_def.template
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@ -1952,7 +1952,7 @@ DEFINE GCC_RISCV64_RC_FLAGS = -I binary -O elf64-littleriscv -B riscv
# GCC Build Flag for included header file list generation
DEFINE GCC_DEPS_FLAGS = -MMD -MF $@.deps
DEFINE GCC48_ALL_CC_FLAGS = -g -fshort-wchar -fno-builtin -fno-strict-aliasing -Wall -Werror -Wno-array-bounds -ffunction-sections -fdata-sections -include AutoGen.h -fno-common -DSTRING_ARRAY_NAME=$(BASE_NAME)Strings
DEFINE GCC48_ALL_CC_FLAGS = DEF(GCC_ALL_CC_FLAGS) -ffunction-sections -fdata-sections -DSTRING_ARRAY_NAME=$(BASE_NAME)Strings
DEFINE GCC48_IA32_X64_DLINK_COMMON = -nostdlib -Wl,-n,-q,--gc-sections -z common-page-size=0x20
DEFINE GCC48_IA32_CC_FLAGS = DEF(GCC48_ALL_CC_FLAGS) -m32 -march=i586 -malign-double -fno-stack-protector -D EFI32 -fno-asynchronous-unwind-tables -Wno-address
DEFINE GCC48_X64_CC_FLAGS = DEF(GCC48_ALL_CC_FLAGS) -m64 -fno-stack-protector "-DEFIAPI=__attribute__((ms_abi))" -maccumulate-outgoing-args -mno-red-zone -Wno-address -mcmodel=small -fpie -fno-asynchronous-unwind-tables -Wno-address