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Auto merge of #29233 - angelsl:msvc1, r=alexcrichton
Build compiler-rt/builtins with MSVC. r? @alexcrichton
This commit is contained in:
commit
e3f6a5606e
46
configure
vendored
46
configure
vendored
@ -1498,25 +1498,9 @@ do
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done
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fi
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if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -ne 0 ]
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# We need the generator later on for compiler-rt even if LLVM's not built
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if [ ${is_msvc} -ne 0 ]
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then
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msg "configuring LLVM for $t with cmake"
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CMAKE_ARGS="-DLLVM_INCLUDE_TESTS=OFF"
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if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then
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CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Debug"
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else
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CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release"
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fi
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if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
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then
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CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=OFF"
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else
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CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=ON"
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fi
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msg "configuring LLVM with:"
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msg "$CMAKE_ARGS"
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case "$CFG_MSVC_ROOT" in
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*14.0*)
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generator="Visual Studio 14 2015"
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@ -1538,8 +1522,32 @@ do
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err "can only build LLVM for x86 platforms"
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;;
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esac
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CFG_CMAKE_GENERATOR=$generator
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putvar CFG_CMAKE_GENERATOR
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fi
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if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -ne 0 ]
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then
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msg "configuring LLVM for $t with cmake"
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CMAKE_ARGS="-DLLVM_INCLUDE_TESTS=OFF"
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if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then
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CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Debug"
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else
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CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release"
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fi
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if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
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then
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CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=OFF"
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else
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CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=ON"
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fi
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msg "configuring LLVM with:"
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msg "$CMAKE_ARGS"
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(cd $LLVM_BUILD_DIR && "$CFG_CMAKE" $CFG_LLVM_SRC_DIR \
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-G "$generator" \
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-G "$CFG_CMAKE_GENERATOR" \
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$CMAKE_ARGS)
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need_ok "LLVM cmake configure failed"
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fi
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39
mk/rt.mk
39
mk/rt.mk
@ -216,22 +216,31 @@ COMPRT_NAME_$(1) := $$(call CFG_STATIC_LIB_NAME_$(1),compiler-rt)
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COMPRT_LIB_$(1) := $$(RT_OUTPUT_DIR_$(1))/$$(COMPRT_NAME_$(1))
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COMPRT_BUILD_DIR_$(1) := $$(RT_OUTPUT_DIR_$(1))/compiler-rt
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# Note that on MSVC-targeting builds we hardwire CC/AR to gcc/ar even though
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# we're targeting MSVC. This is because although compiler-rt has a CMake build
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# config I can't actually figure out how to use it, so I'm not sure how to use
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# cl.exe to build the objects. Additionally, the compiler-rt library when built
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# with gcc has the same ABI as cl.exe, so they're largely compatible
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ifeq ($$(findstring msvc,$(1)),msvc)
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$$(COMPRT_LIB_$(1)): $$(COMPRT_DEPS) $$(MKFILE_DEPS) $$(LLVM_CONFIG_$(1))
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@$$(call E, cmake: compiler-rt)
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$$(Q)cd "$$(COMPRT_BUILD_DIR_$(1))"; $$(CFG_CMAKE) "$(S)src/compiler-rt" \
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-DCMAKE_BUILD_TYPE=$$(LLVM_BUILD_CONFIG_MODE) \
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-DLLVM_CONFIG_PATH=$$(LLVM_CONFIG_$(1)) \
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-G"$$(CFG_CMAKE_GENERATOR)"
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$$(Q)$$(CFG_CMAKE) --build "$$(COMPRT_BUILD_DIR_$(1))" \
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--target lib/builtins/builtins \
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--config $$(LLVM_BUILD_CONFIG_MODE) \
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-- //v:m //nologo
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$$(Q)cp $$(COMPRT_BUILD_DIR_$(1))/lib/windows/$$(LLVM_BUILD_CONFIG_MODE)/clang_rt.builtins-$$(HOST_$(1)).lib $$@
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else
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COMPRT_CC_$(1) := $$(CC_$(1))
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COMPRT_AR_$(1) := $$(AR_$(1))
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COMPRT_CFLAGS_$(1) := $$(CFG_GCCISH_CFLAGS_$(1))
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ifeq ($$(findstring msvc,$(1)),msvc)
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COMPRT_CC_$(1) := gcc
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COMPRT_AR_$(1) := ar
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ifeq ($$(findstring i686,$(1)),i686)
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COMPRT_CFLAGS_$(1) := $$(CFG_GCCISH_CFLAGS_$(1)) -m32
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else
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COMPRT_CFLAGS_$(1) := $$(CFG_GCCISH_CFLAGS_$(1)) -m64
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endif
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# We chomp -Werror here because GCC warns about the type signature of
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# builtins not matching its own and the build fails. It's a bit hacky,
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# but what can we do, we're building libclang-rt using GCC ......
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COMPRT_CFLAGS_$(1) := $$(subst -Werror,,$$(CFG_GCCISH_CFLAGS_$(1))) -std=c99
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# FreeBSD Clang's packaging is problematic; it doesn't copy unwind.h to
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# the standard include directory. This should really be in our changes to
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# compiler-rt, but we override the CFLAGS here so there isn't much choice
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ifeq ($$(findstring freebsd,$(1)),freebsd)
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COMPRT_CFLAGS_$(1) += -I/usr/include/c++/v1
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endif
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$$(COMPRT_LIB_$(1)): $$(COMPRT_DEPS) $$(MKFILE_DEPS)
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@ -246,7 +255,7 @@ $$(COMPRT_LIB_$(1)): $$(COMPRT_DEPS) $$(MKFILE_DEPS)
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TargetTriple=$(1) \
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triple-builtins
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$$(Q)cp $$(COMPRT_BUILD_DIR_$(1))/triple/builtins/libcompiler_rt.a $$@
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endif
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################################################################################
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# libbacktrace
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#
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@ -1 +1 @@
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Subproject commit 58ab642c30d9f97735d5745b5d01781ee199c6ae
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Subproject commit 96626ab9c1242b42a60df9b3cd9a0dc8920b5ea6
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