1bd27f24fb
GCC currently requires fat object files for static libraries, since the linker would otherwise not load the .o file from the archive at all and the linking would fail with a lot of undefined references. Clang on Linux also needs this, but it has no equivalent flag, so enabling LTCG for Clang on static libraries will result in linker error. This commit does not add support for enabling it in configure. It can be enabled on a per-project basis by doing CONFIG += ltcg or by passing -config ltcg to qmake's command-line. Change-Id: I52cf99f1ed9f1701e23a3b457ba3502fd28126ce Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
84 lines
2.9 KiB
Plaintext
84 lines
2.9 KiB
Plaintext
#
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# This file is used as a basis for the following compilers:
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#
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# - The GNU C++ compiler (g++)
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# - LLVM
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# - Clang
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#
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# Platform-specific options shared by these compilers are put into:
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#
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# - gcc-base-mac.conf
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# - gcc-base-unix.conf
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#
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# These base files are then combined with configurations for each compiler:
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#
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# - g++-base.conf
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# - g++-macx.conf
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# - g++-unix.conf
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# - llvm.conf
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# - clang.conf
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#
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# The combination happens in the top level mkspec, by including a platform-
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# specific version of the base-file, for example gcc-base-mac.conf, and then
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# a (possibly platform-specific) version of the actual compiler configuration,
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# for example g++-macx.conf.
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#
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# If you are making changes to any of these files, please consider the
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# possible effect it may have due to these include-rules, and whether it
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# might make more sense to share the rule or make it more specific.
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#
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# To verify that your change has the desired effect on the final configuration
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# you can use the manual test in tests/manual/mkspecs.
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#
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QMAKE_CFLAGS_OPTIMIZE = -O2
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QMAKE_CFLAGS_OPTIMIZE_FULL = -O3
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QMAKE_CFLAGS += -pipe
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QMAKE_CFLAGS_DEPS += -M
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QMAKE_CFLAGS_WARN_ON += -Wall -W
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QMAKE_CFLAGS_WARN_OFF += -w
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QMAKE_CFLAGS_RELEASE += $$QMAKE_CFLAGS_OPTIMIZE
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QMAKE_CFLAGS_DEBUG += -g
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QMAKE_CFLAGS_SHLIB += -fPIC
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QMAKE_CFLAGS_STATIC_LIB += -fPIC
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QMAKE_CFLAGS_APP += -fPIE
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QMAKE_CFLAGS_ISYSTEM = -isystem
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QMAKE_CFLAGS_YACC += -Wno-unused -Wno-parentheses
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QMAKE_CFLAGS_HIDESYMS += -fvisibility=hidden
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QMAKE_CFLAGS_EXCEPTIONS_OFF += -fno-exceptions
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QMAKE_CFLAGS_SPLIT_SECTIONS += -ffunction-sections
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QMAKE_CFLAGS_LTCG = -flto
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QMAKE_CXXFLAGS += $$QMAKE_CFLAGS
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QMAKE_CXXFLAGS_DEPS += $$QMAKE_CFLAGS_DEPS
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QMAKE_CXXFLAGS_WARN_ON += $$QMAKE_CFLAGS_WARN_ON
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QMAKE_CXXFLAGS_WARN_OFF += $$QMAKE_CFLAGS_WARN_OFF
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QMAKE_CXXFLAGS_RELEASE += $$QMAKE_CFLAGS_RELEASE
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QMAKE_CXXFLAGS_DEBUG += $$QMAKE_CFLAGS_DEBUG
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QMAKE_CXXFLAGS_SHLIB += $$QMAKE_CFLAGS_SHLIB
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QMAKE_CXXFLAGS_STATIC_LIB += $$QMAKE_CFLAGS_STATIC_LIB
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QMAKE_CXXFLAGS_APP += $$QMAKE_CFLAGS_APP
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QMAKE_CXXFLAGS_YACC += $$QMAKE_CFLAGS_YACC
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QMAKE_CXXFLAGS_HIDESYMS += $$QMAKE_CFLAGS_HIDESYMS -fvisibility-inlines-hidden
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QMAKE_CXXFLAGS_EXCEPTIONS_OFF += $$QMAKE_CFLAGS_EXCEPTIONS_OFF
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QMAKE_CXXFLAGS_SPLIT_SECTIONS += $$QMAKE_CFLAGS_SPLIT_SECTIONS
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QMAKE_CXXFLAGS_LTCG = $$QMAKE_CFLAGS_LTCG
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QMAKE_LFLAGS +=
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QMAKE_LFLAGS_DEBUG +=
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QMAKE_LFLAGS_APP +=
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QMAKE_LFLAGS_RELEASE +=
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QMAKE_LFLAGS_EXCEPTIONS_OFF +=
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QMAKE_LFLAGS_LTCG = $$QMAKE_CFLAGS_LTCG -fuse-linker-plugin
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QMAKE_CFLAGS_SSE2 += -msse2
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QMAKE_CFLAGS_SSE3 += -msse3
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QMAKE_CFLAGS_SSSE3 += -mssse3
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QMAKE_CFLAGS_SSE4_1 += -msse4.1
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QMAKE_CFLAGS_SSE4_2 += -msse4.2
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QMAKE_CFLAGS_AVX += -mavx
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QMAKE_CFLAGS_AVX2 += -mavx2
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QMAKE_CFLAGS_IWMMXT += -mcpu=iwmmxt
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QMAKE_CFLAGS_NEON += -mfpu=neon
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