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Clang: use -Oz instead of -O1 to optimize for size

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Change-Id: I60fecba64e968d10b87a9c1af571ff4a3aa98ad7
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Yuhang Zhao 2019-03-20 20:26:23 +08:00
parent b73eef0b51
commit b43988ada2
4 changed files with 6 additions and 2 deletions
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2
mkspecs/android-clang/qmake.conf
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@ -51,6 +51,4 @@ exists($$ANDROID_SOURCES_CXX_STL_LIBDIR/libc++.so): \
else: \ else: \
ANDROID_CXX_STL_LIBS = $$ANDROID_SOURCES_CXX_STL_LIBDIR/libc++.so.$$replace(ANDROID_PLATFORM, "android-", "") ANDROID_CXX_STL_LIBS = $$ANDROID_SOURCES_CXX_STL_LIBDIR/libc++.so.$$replace(ANDROID_PLATFORM, "android-", "")
QMAKE_CFLAGS_OPTIMIZE_SIZE = -Oz
include(../common/android-base-tail.conf) include(../common/android-base-tail.conf)

2
mkspecs/common/clang.conf
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@ -16,6 +16,8 @@ QMAKE_LINK_SHLIB = $$QMAKE_CXX
CONFIG += clang_pch_style CONFIG += clang_pch_style
QMAKE_PCH_OUTPUT_EXT = .pch QMAKE_PCH_OUTPUT_EXT = .pch
QMAKE_CFLAGS_OPTIMIZE_SIZE = -Oz
QMAKE_CFLAGS_ISYSTEM = -isystem QMAKE_CFLAGS_ISYSTEM = -isystem
QMAKE_CFLAGS_PRECOMPILE = -x c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT} QMAKE_CFLAGS_PRECOMPILE = -x c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
QMAKE_CFLAGS_USE_PRECOMPILE = -Xclang -include-pch -Xclang ${QMAKE_PCH_OUTPUT} QMAKE_CFLAGS_USE_PRECOMPILE = -Xclang -include-pch -Xclang ${QMAKE_PCH_OUTPUT}

2
mkspecs/win32-clang-g++/qmake.conf
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@ -30,4 +30,6 @@ QMAKE_CFLAGS_LTCG_FATOBJECTS = -flto
QMAKE_CXXFLAGS_LTCG_FATOBJECTS = $$QMAKE_CFLAGS_LTCG_FATOBJECTS QMAKE_CXXFLAGS_LTCG_FATOBJECTS = $$QMAKE_CFLAGS_LTCG_FATOBJECTS
QMAKE_LFLAGS_LTCG = $$QMAKE_CFLAGS_LTCG QMAKE_LFLAGS_LTCG = $$QMAKE_CFLAGS_LTCG
QMAKE_CFLAGS_OPTIMIZE_SIZE = -Oz
load(qt_config) load(qt_config)

2
mkspecs/win32-clang-msvc/qmake.conf
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@ -46,6 +46,8 @@ QMAKE_CXXFLAGS_LTCG_FATOBJECTS = $$QMAKE_CFLAGS_LTCG_FATOBJECTS
# Leave QMAKE_LFLAGS_LTCG empty because lld-link doesn't need any additional parameters # Leave QMAKE_LFLAGS_LTCG empty because lld-link doesn't need any additional parameters
QMAKE_LFLAGS_LTCG = QMAKE_LFLAGS_LTCG =
QMAKE_CFLAGS_OPTIMIZE_SIZE = -Xclang -Oz
QMAKE_LFLAGS_RELEASE += /OPT:REF,ICF,LBR QMAKE_LFLAGS_RELEASE += /OPT:REF,ICF,LBR
# Precompiled headers are not supported yet by clang # Precompiled headers are not supported yet by clang