[edk2-devel] [PATCH] Using LLVM compiler set to build BaseTools in Linux

[Bob Feng]

Zhiguang, 

Please update the Bugzilla status.

Thanks,
Bob

-----Original Message-----
From: Liu, Zhiguang <zhiguang.liu at intel.com> 
Sent: Monday, July 6, 2020 2:38 PM
To: devel at edk2.groups.io
Cc: Feng, Bob C <bob.c.feng at intel.com>; Gao, Liming <liming.gao at intel.com>
Subject: [PATCH] Using LLVM compiler set to build BaseTools in Linux

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2842

To use LLVM to build BaseTools, first set the CLANG_BIN environment value, and add "CXX=llvm" to choose LLVM compiler set when using make command.

Cc: Bob Feng <bob.c.feng at intel.com>
Cc: Liming Gao <liming.gao at intel.com>

Signed-off-by: Zhiguang Liu <zhiguang.liu at intel.com>
---
 BaseTools/Source/C/Makefiles/header.makefile       | 22 ++++++++++++++++++++--
 BaseTools/Source/C/VfrCompile/GNUmakefile          |  6 ++++--
 BaseTools/Source/C/VfrCompile/Pccts/antlr/makefile |  4 ++++
 BaseTools/Source/C/VfrCompile/Pccts/dlg/makefile   |  4 ++++
 4 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/BaseTools/Source/C/Makefiles/header.makefile b/BaseTools/Source/C/Makefiles/header.makefile
index 4e9b36d98b..1c105ee7d4 100644
--- a/BaseTools/Source/C/Makefiles/header.makefile
+++ b/BaseTools/Source/C/Makefiles/header.makefile
@@ -38,12 +38,19 @@ endif
 CYGWIN:=$(findstring CYGWIN, $(shell uname -s)) LINUX:=$(findstring Linux, $(shell uname -s)) DARWIN:=$(findstring Darwin, $(shell uname -s))-+ifeq ($(CXX), llvm)+BUILD_CC ?= $(CLANG_BIN)clang+BUILD_CXX ?= $(CLANG_BIN)clang+++BUILD_AS ?= $(CLANG_BIN)clang+BUILD_AR ?= $(CLANG_BIN)llvm-ar+BUILD_LD ?= $(CLANG_BIN)llvm-ld+else BUILD_CC ?= gcc BUILD_CXX ?= g++ BUILD_AS ?= gcc BUILD_AR ?= ar BUILD_LD ?= ld+endif LINKER ?= $(BUILD_CC) ifeq ($(HOST_ARCH), IA32) ARCH_INCLUDE = -I $(MAKEROOT)/Include/Ia32/@@ -72,14 +79,25 @@ ifeq ($(DARWIN),Darwin)  BUILD_CFLAGS = -MD -fshort-wchar -fno-strict-aliasing -Wall -Werror \ -Wno-deprecated-declarations -Wno-self-assign -Wno-unused-result -nostdlib -g else+ifeq ($(CXX), llvm)+BUILD_CFLAGS = -MD -fshort-wchar -fno-strict-aliasing -fwrapv \+-fno-delete-null-pointer-checks -Wall -Werror \+-Wno-deprecated-declarations -Wno-self-assign \+-Wno-unused-result -nostdlib -g+else BUILD_CFLAGS = -MD -fshort-wchar -fno-strict-aliasing -fwrapv \ -fno-delete-null-pointer-checks -Wall -Werror \ -Wno-deprecated-declarations -Wno-stringop-truncation -Wno-restrict \ -Wno-unused-result -nostdlib -g endif+endif+ifeq ($(CXX), llvm)+BUILD_LFLAGS =+BUILD_CXXFLAGS = -Wno-deprecated-register -Wno-unused-result+else BUILD_LFLAGS = BUILD_CXXFLAGS = -Wno-unused-result-+endif ifeq ($(HOST_ARCH), IA32) # # Snow Leopard  is a 32-bit and 64-bit environment. uname -m returns i386, but gcc defaultsdiff --git a/BaseTools/Source/C/VfrCompile/GNUmakefile b/BaseTools/Source/C/VfrCompile/GNUmakefile
index 42e3d7da02..fc329944b9 100644
--- a/BaseTools/Source/C/VfrCompile/GNUmakefile
+++ b/BaseTools/Source/C/VfrCompile/GNUmakefile
@@ -16,9 +16,11 @@ TOOL_INCLUDE = -I Pccts/h
 #OBJECTS = VfrSyntax.o VfrServices.o DLGLexer.o EfiVfrParser.o ATokenBuffer.o DLexerBase.o AParser.o OBJECTS = AParser.o DLexerBase.o ATokenBuffer.o EfiVfrParser.o VfrLexer.o VfrSyntax.o \           VfrFormPkg.o VfrError.o VfrUtilityLib.o VfrCompiler.o-+ifeq ($(CXX), llvm)+VFR_CPPFLAGS = -Wno-deprecated-register -DPCCTS_USE_NAMESPACE_STD $(BUILD_CPPFLAGS)+else VFR_CPPFLAGS = -DPCCTS_USE_NAMESPACE_STD $(BUILD_CPPFLAGS)-+endif # keep BUILD_OPTFLAGS last VFR_CXXFLAGS = $(BUILD_OPTFLAGS) diff --git a/BaseTools/Source/C/VfrCompile/Pccts/antlr/makefile b/BaseTools/Source/C/VfrCompile/Pccts/antlr/makefile
index 8f2cc78c59..559b1c99f1 100644
--- a/BaseTools/Source/C/VfrCompile/Pccts/antlr/makefile
+++ b/BaseTools/Source/C/VfrCompile/Pccts/antlr/makefile
@@ -164,7 +164,11 @@ PCCTS_H=../h
 # #   UNIX  (default) #+ifeq ($(CXX), llvm)+BUILD_CC?=$(CLANG_BIN)clang+else BUILD_CC?=gcc+endif COPT=-O ANTLR=${BIN_DIR}/antlr DLG=${BIN_DIR}/dlgdiff --git a/BaseTools/Source/C/VfrCompile/Pccts/dlg/makefile b/BaseTools/Source/C/VfrCompile/Pccts/dlg/makefile
index b3a34d3b46..5a3561edec 100644
--- a/BaseTools/Source/C/VfrCompile/Pccts/dlg/makefile
+++ b/BaseTools/Source/C/VfrCompile/Pccts/dlg/makefile
@@ -114,7 +114,11 @@ PCCTS_H=../h
 # #   UNIX #+ifeq ($(CXX), llvm)+BUILD_CC?=$(CLANG_BIN)clang+else BUILD_CC?=cc+endif COPT=-O ANTLR=${BIN_DIR}/antlr DLG=${BIN_DIR}/dlg-- 
2.25.1.windows.1


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