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main: use internal libclang to build C and assembly files #184

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13 changes: 8 additions & 5 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -40,17 +40,18 @@ $(error Unknown target)

endif

LLVM_COMPONENTS = all-targets analysis asmparser asmprinter bitreader bitwriter codegen core coroutines debuginfodwarf executionengine instrumentation interpreter ipo irreader linker lto mc mcjit objcarcopts option profiledata scalaropts support target
LLVM_COMPONENTS = all-targets analysis asmparser asmprinter bitreader bitwriter codegen core coroutines coverage debuginfodwarf executionengine instrumentation interpreter ipo irreader linker lto mc mcjit objcarcopts option profiledata scalaropts support target

CLANG_LIBS = -Wl,--start-group $(abspath $(LLVM_BUILDDIR))/lib/libclang.a -lclangAnalysis -lclangARCMigrate -lclangAST -lclangASTMatchers -lclangBasic -lclangCodeGen -lclangCrossTU -lclangDriver -lclangDynamicASTMatchers -lclangEdit -lclangFormat -lclangFrontend -lclangFrontendTool -lclangHandleCXX -lclangHandleLLVM -lclangIndex -lclangLex -lclangParse -lclangRewrite -lclangRewriteFrontend -lclangSema -lclangSerialization -lclangStaticAnalyzerCheckers -lclangStaticAnalyzerCore -lclangStaticAnalyzerFrontend -lclangTooling -lclangToolingASTDiff -lclangToolingCore -lclangToolingInclusions -lclangToolingRefactor -Wl,--end-group -lstdc++

LLD_LIBS = -Wl,--start-group -llldCOFF -llldCommon -llldCore -llldDriver -llldELF -llldMachO -llldMinGW -llldReaderWriter -llldWasm -llldYAML -Wl,--end-group


# For static linking.
CGO_CPPFLAGS=$(shell $(LLVM_BUILDDIR)/bin/llvm-config --cppflags) -I$(abspath $(CLANG_SRC))/include -I$(abspath $(LLD_SRC))/include
CGO_CPPFLAGS=$(shell $(LLVM_BUILDDIR)/bin/llvm-config --cppflags) -I$(abspath $(LLVM_BUILDDIR))/tools/clang/include -I$(abspath $(CLANG_SRC))/include -I$(abspath $(LLD_SRC))/include
CGO_CXXFLAGS=-std=c++11
CGO_LDFLAGS=-L$(LLVM_BUILDDIR)/lib $(CLANG_LIBS) $(LLD_LIBS) $(shell $(LLVM_BUILDDIR)/bin/llvm-config --ldflags --libs --system-libs $(LLVM_COMPONENTS))
LLVM_VERSION=$(shell $(LLVM_BUILDDIR)/bin/llvm-config --version)



Expand Down Expand Up @@ -116,6 +117,7 @@ static:
CGO_CPPFLAGS="$(CGO_CPPFLAGS)" CGO_CXXFLAGS="$(CGO_CXXFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" go build -o build/tinygo -tags byollvm .

release: static gen-device
@rm -rf build/release
@mkdir -p build/release/tinygo/bin
@mkdir -p build/release/tinygo/lib/CMSIS/CMSIS
@mkdir -p build/release/tinygo/lib/compiler-rt/lib
Expand All @@ -132,9 +134,10 @@ release: static gen-device
@cp -rp lib/nrfx/* build/release/tinygo/lib/nrfx
@cp -rp src build/release/tinygo/src
@cp -rp targets build/release/tinygo/targets
./build/tinygo build-builtins -target=armv6m-none-eabi -o build/release/tinygo/pkg/armv6m-none-eabi/compiler-rt.a
./build/tinygo build-builtins -target=armv7m-none-eabi -o build/release/tinygo/pkg/armv7m-none-eabi/compiler-rt.a
./build/tinygo build-builtins -target=armv7em-none-eabi -o build/release/tinygo/pkg/armv7em-none-eabi/compiler-rt.a
@cp -rp $(abspath $(LLVM_BUILDDIR))/lib/clang/$(LLVM_VERSION) build/release/tinygo/clang
./build/release/tinygo/bin/tinygo build-builtins -target=armv6m-none-eabi -o build/release/tinygo/pkg/armv6m-none-eabi/compiler-rt.a
./build/release/tinygo/bin/tinygo build-builtins -target=armv7m-none-eabi -o build/release/tinygo/pkg/armv7m-none-eabi/compiler-rt.a
./build/release/tinygo/bin/tinygo build-builtins -target=armv7em-none-eabi -o build/release/tinygo/pkg/armv7em-none-eabi/compiler-rt.a
tar -czf build/release.tar.gz -C build/release tinygo

# Binary that can run on the host.
Expand Down
6 changes: 1 addition & 5 deletions builtins.go
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Expand Up @@ -235,11 +235,7 @@ func compileBuiltins(target string, callback func(path string) error) error {
// Note: -fdebug-prefix-map is necessary to make the output archive
// reproducible. Otherwise the temporary directory is stored in the
// archive itself, which varies each run.
cmd := exec.Command(commands["clang"], "-c", "-Oz", "-g", "-Werror", "-Wall", "-std=c11", "-fshort-enums", "-nostdlibinc", "-ffunction-sections", "-fdata-sections", "--target="+target, "-fdebug-prefix-map="+dir+"="+remapDir, "-o", objpath, srcpath)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Dir = dir
err = cmd.Run()
err = CCompiler(sourceDir(), commands["clang"], srcpath, "-c", "-Oz", "-g", "-Werror", "-Wall", "-std=c11", "-fshort-enums", "-nostdlibinc", "-ffunction-sections", "-fdata-sections", "--target="+target, "-fdebug-prefix-map="+dir+"="+remapDir, "-o", objpath)
if err != nil {
return &commandError{"failed to build", srcpath, err}
}
Expand Down
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