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* [PATCH] BaseTools: Add -ffat-lto-objects option in GCC5 tool chain
@ 2021-05-19  2:27 gaoliming
  2021-05-19  2:35 ` [edk2-devel] " Yao, Jiewen
  2021-05-19  7:23 ` Laszlo Ersek
  0 siblings, 2 replies; 7+ messages in thread
From: gaoliming @ 2021-05-19  2:27 UTC (permalink / raw)
  To: devel; +Cc: Sergei Dmitrouk, Bob Feng, Ard Biesheuvel

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3403

This option can trig the uninitialized warning when lto is enabled.
The image size data is also collected for OVMF. There is no impact.

Cc: Sergei Dmitrouk <sergei@posteo.net>
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Signed-off-by: Liming Gao <gaoliming@byosoft.com.cn>
---
 BaseTools/Conf/tools_def.template | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index 498696e583..aad5297385 100755
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -2315,10 +2315,10 @@ RELEASE_GCC49_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
 *_GCC5_IA32_OBJCOPY_FLAGS        =
 *_GCC5_IA32_NASM_FLAGS           = -f elf32
 
-  DEBUG_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -flto -Os
+  DEBUG_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -ffat-lto-objects -flto -Os
   DEBUG_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,-m,elf_i386,--oformat=elf32-i386
 
-RELEASE_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -flto -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
+RELEASE_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -ffat-lto-objects -flto -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
 RELEASE_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,-m,elf_i386,--oformat=elf32-i386
 
   NOOPT_GCC5_IA32_CC_FLAGS       = DEF(GCC5_IA32_CC_FLAGS) -O0
@@ -2347,10 +2347,10 @@ RELEASE_GCC5_IA32_DLINK_FLAGS    = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,
 *_GCC5_X64_OBJCOPY_FLAGS         =
 *_GCC5_X64_NASM_FLAGS            = -f elf64
 
-  DEBUG_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -flto -DUSING_LTO -Os
+  DEBUG_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -ffat-lto-objects -flto -DUSING_LTO -Os
   DEBUG_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
 
-RELEASE_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -flto -DUSING_LTO -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
+RELEASE_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -ffat-lto-objects -flto -DUSING_LTO -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
 RELEASE_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
 
   NOOPT_GCC5_X64_CC_FLAGS        = DEF(GCC5_X64_CC_FLAGS) -O0
@@ -2382,10 +2382,10 @@ RELEASE_GCC5_X64_DLINK_FLAGS     = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
 *_GCC5_ARM_VFRPP_FLAGS           = $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) DEF(GCC_VFRPP_FLAGS)
 *_GCC5_ARM_CC_XIPFLAGS           = DEF(GCC5_ARM_CC_XIPFLAGS)
 
-  DEBUG_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
+  DEBUG_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
   DEBUG_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-arm -Wl,-plugin-opt=-pass-through=-llto-arm
 
-RELEASE_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
+RELEASE_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
 RELEASE_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-arm -Wl,-plugin-opt=-pass-through=-llto-arm
 
   NOOPT_GCC5_ARM_CC_FLAGS        = DEF(GCC5_ARM_CC_FLAGS) -O0
@@ -2416,11 +2416,11 @@ RELEASE_GCC5_ARM_DLINK_FLAGS     = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKS
 *_GCC5_AARCH64_VFRPP_FLAGS       = $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) DEF(GCC_VFRPP_FLAGS)
 *_GCC5_AARCH64_CC_XIPFLAGS       = DEF(GCC5_AARCH64_CC_XIPFLAGS)
 
-  DEBUG_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
+  DEBUG_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
   DEBUG_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wno-lto-type-mismatch
   DEBUG_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
 
-RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
+RELEASE_GCC5_AARCH64_CC_FLAGS    = DEF(GCC5_AARCH64_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
 RELEASE_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wno-lto-type-mismatch
 RELEASE_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
 
-- 
2.27.0.windows.1



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2021-05-19  2:27 [PATCH] BaseTools: Add -ffat-lto-objects option in GCC5 tool chain gaoliming
2021-05-19  2:35 ` [edk2-devel] " Yao, Jiewen
2021-05-19  2:51   ` 回复: " gaoliming
2021-05-19  7:23 ` Laszlo Ersek
2021-05-20  2:37   ` 回复: " gaoliming
2021-05-20  7:27     ` Laszlo Ersek
2021-05-21  5:07       ` 回复: " gaoliming

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