Build Zig from source

Author: lupyuen

README.md

@@ -240,7 +240,30 @@ cmake .. -DZIG_STATIC_LLVM=ON -DCMAKE_PREFIX_PATH="$(brew --prefix llvm);$(brew
 make install
 ```
 
-`brew install llvm` failed, so we tried building LLVM from source [(from here)](https://github.com/ziglang/zig/wiki/How-to-build-LLVM,-libclang,-and-liblld-from-source#posix)...
+`brew install llvm` failed...
+
+```text
+==> cmake -G Unix Makefiles .. -DLLVM_ENABLE_PROJECTS=clang;clang-tools-extra;lld;lldb;mlir;polly -DLLVM_ENABLE_RUNTIMES=compiler-rt;libcxx;libcxxabi;libunwind;
+==> cmake --build .
+Last 15 lines from /Users/Luppy/Library/Logs/Homebrew/llvm/02.cmake:
+[ 51%] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/ValueMapper.cpp.o
+cd /tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/lib/Transforms/Utils && /usr/local/Homebrew/Library/Homebrew/shims/mac/super/clang++ -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/lib/Transforms/Utils -I/tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/lib/Transforms/Utils -I/tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/include -I/tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/include -stdlib=libc++ -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-class-memaccess -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -O3 -DNDEBUG -std=c++17 -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -MD -MT lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/ValueMapper.cpp.o -MF CMakeFiles/LLVMTransformUtils.dir/ValueMapper.cpp.o.d -o CMakeFiles/LLVMTransformUtils.dir/ValueMapper.cpp.o -c /tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/lib/Transforms/Utils/ValueMapper.cpp
+[ 51%] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/VNCoercion.cpp.o
+cd /tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/lib/Transforms/Utils && /usr/local/Homebrew/Library/Homebrew/shims/mac/super/clang++ -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/lib/Transforms/Utils -I/tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/lib/Transforms/Utils -I/tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/include -I/tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/include -stdlib=libc++ -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-class-memaccess -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -O3 -DNDEBUG -std=c++17 -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk -MD -MT lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/VNCoercion.cpp.o -MF CMakeFiles/LLVMTransformUtils.dir/VNCoercion.cpp.o.d -o CMakeFiles/LLVMTransformUtils.dir/VNCoercion.cpp.o -c /tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/lib/Transforms/Utils/VNCoercion.cpp
+[ 51%] Linking CXX static library ../../libLLVMTransformUtils.a
+cd /tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/lib/Transforms/Utils && /usr/local/Cellar/cmake/3.26.4/bin/cmake -P CMakeFiles/LLVMTransformUtils.dir/cmake_clean_target.cmake
+cd /tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/lib/Transforms/Utils && /usr/local/Cellar/cmake/3.26.4/bin/cmake -E cmake_link_script CMakeFiles/LLVMTransformUtils.dir/link.txt --verbose=1
+"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool" -static -no_warning_for_no_symbols -o ../../libLLVMTransformUtils.a CMakeFiles/LLVMTransformUtils.dir/AddDiscriminators.cpp.o CMakeFiles/LLVMTransformUtils.dir/AMDGPUEmitPrintf.cpp.o CMakeFiles/LLVMTransformUtils.dir/ASanStackFrameLayout.cpp.o CMakeFiles/LLVMTransformUtils.dir/AssumeBundleBuilder.cpp.o CMakeFiles/LLVMTransformUtils.dir/BasicBlockUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/BreakCriticalEdges.cpp.o CMakeFiles/LLVMTransformUtils.dir/BuildLibCalls.cpp.o CMakeFiles/LLVMTransformUtils.dir/BypassSlowDivision.cpp.o CMakeFiles/LLVMTransformUtils.dir/CallPromotionUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/CallGraphUpdater.cpp.o CMakeFiles/LLVMTransformUtils.dir/CanonicalizeAliases.cpp.o CMakeFiles/LLVMTransformUtils.dir/CanonicalizeFreezeInLoops.cpp.o CMakeFiles/LLVMTransformUtils.dir/CloneFunction.cpp.o CMakeFiles/LLVMTransformUtils.dir/CloneModule.cpp.o CMakeFiles/LLVMTransformUtils.dir/CodeExtractor.cpp.o CMakeFiles/LLVMTransformUtils.dir/CodeLayout.cpp.o CMakeFiles/LLVMTransformUtils.dir/CodeMoverUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/CtorUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/Debugify.cpp.o CMakeFiles/LLVMTransformUtils.dir/DemoteRegToStack.cpp.o CMakeFiles/LLVMTransformUtils.dir/EntryExitInstrumenter.cpp.o CMakeFiles/LLVMTransformUtils.dir/EscapeEnumerator.cpp.o CMakeFiles/LLVMTransformUtils.dir/Evaluator.cpp.o CMakeFiles/LLVMTransformUtils.dir/FixIrreducible.cpp.o CMakeFiles/LLVMTransformUtils.dir/FlattenCFG.cpp.o CMakeFiles/LLVMTransformUtils.dir/FunctionComparator.cpp.o CMakeFiles/LLVMTransformUtils.dir/FunctionImportUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/GlobalStatus.cpp.o CMakeFiles/LLVMTransformUtils.dir/GuardUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/HelloWorld.cpp.o CMakeFiles/LLVMTransformUtils.dir/InlineFunction.cpp.o CMakeFiles/LLVMTransformUtils.dir/InjectTLIMappings.cpp.o CMakeFiles/LLVMTransformUtils.dir/InstructionNamer.cpp.o CMakeFiles/LLVMTransformUtils.dir/IntegerDivision.cpp.o CMakeFiles/LLVMTransformUtils.dir/LCSSA.cpp.o CMakeFiles/LLVMTransformUtils.dir/LibCallsShrinkWrap.cpp.o CMakeFiles/LLVMTransformUtils.dir/Local.cpp.o CMakeFiles/LLVMTransformUtils.dir/LoopPeel.cpp.o CMakeFiles/LLVMTransformUtils.dir/LoopRotationUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/LoopSimplify.cpp.o CMakeFiles/LLVMTransformUtils.dir/LoopUnroll.cpp.o CMakeFiles/LLVMTransformUtils.dir/LoopUnrollAndJam.cpp.o CMakeFiles/LLVMTransformUtils.dir/LoopUnrollRuntime.cpp.o CMakeFiles/LLVMTransformUtils.dir/LoopUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/LoopVersioning.cpp.o CMakeFiles/LLVMTransformUtils.dir/LowerAtomic.cpp.o CMakeFiles/LLVMTransformUtils.dir/LowerGlobalDtors.cpp.o CMakeFiles/LLVMTransformUtils.dir/LowerIFunc.cpp.o CMakeFiles/LLVMTransformUtils.dir/LowerInvoke.cpp.o CMakeFiles/LLVMTransformUtils.dir/LowerMemIntrinsics.cpp.o CMakeFiles/LLVMTransformUtils.dir/LowerSwitch.cpp.o CMakeFiles/LLVMTransformUtils.dir/MatrixUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/MemoryOpRemark.cpp.o CMakeFiles/LLVMTransformUtils.dir/MemoryTaggingSupport.cpp.o CMakeFiles/LLVMTransformUtils.dir/Mem2Reg.cpp.o CMakeFiles/LLVMTransformUtils.dir/MetaRenamer.cpp.o CMakeFiles/LLVMTransformUtils.dir/MisExpect.cpp.o CMakeFiles/LLVMTransformUtils.dir/ModuleUtils.cpp.o CMakeFiles/LLVMTransformUtils.dir/NameAnonGlobals.cpp.o CMakeFiles/LLVMTransformUtils.dir/PredicateInfo.cpp.o CMakeFiles/LLVMTransformUtils.dir/PromoteMemoryToRegister.cpp.o CMakeFiles/LLVMTransformUtils.dir/RelLookupTableConverter.cpp.o CMakeFiles/LLVMTransformUtils.dir/ScalarEvolutionExpander.cpp.o CMakeFiles/LLVMTransformUtils.dir/SCCPSolver.cpp.o CMakeFiles/LLVMTransformUtils.dir/StripGCRelocates.cpp.o CMakeFiles/LLVMTransformUtils.dir/SSAUpdater.cpp.o CMakeFiles/LLVMTransformUtils.dir/SSAUpdaterBulk.cpp.o CMakeFiles/LLVMTransformUtils.dir/SampleProfileInference.cpp.o CMakeFiles/LLVMTransformUtils.dir/SampleProfileLoaderBaseUtil.cpp.o CMakeFiles/LLVMTransformUtils.dir/SanitizerStats.cpp.o CMakeFiles/LLVMTransformUtils.dir/SimplifyCFG.cpp.o CMakeFiles/LLVMTransformUtils.dir/SimplifyIndVar.cpp.o CMakeFiles/LLVMTransformUtils.dir/SimplifyLibCalls.cpp.o CMakeFiles/LLVMTransformUtils.dir/SizeOpts.cpp.o CMakeFiles/LLVMTransformUtils.dir/SplitModule.cpp.o CMakeFiles/LLVMTransformUtils.dir/StripNonLineTableDebugInfo.cpp.o CMakeFiles/LLVMTransformUtils.dir/SymbolRewriter.cpp.o CMakeFiles/LLVMTransformUtils.dir/UnifyFunctionExitNodes.cpp.o CMakeFiles/LLVMTransformUtils.dir/UnifyLoopExits.cpp.o CMakeFiles/LLVMTransformUtils.dir/Utils.cpp.o CMakeFiles/LLVMTransformUtils.dir/ValueMapper.cpp.o CMakeFiles/LLVMTransformUtils.dir/VNCoercion.cpp.o
+[ 51%] Built target LLVMTransformUtils
+[ 51%] Linking CXX static library ../../../libLLVMAMDGPUDisassembler.a
+cd /tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/lib/Target/AMDGPU/Disassembler && /usr/local/Cellar/cmake/3.26.4/bin/cmake -P CMakeFiles/LLVMAMDGPUDisassembler.dir/cmake_clean_target.cmake
+cd /tmp/llvm-20230523-44290-sxekyo/llvm-project-16.0.4.src/llvm/build/lib/Target/AMDGPU/Disassembler && /usr/local/Cellar/cmake/3.26.4/bin/cmake -E cmake_link_script CMakeFiles/LLVMAMDGPUDisassembler.dir/link.txt --verbose=1
+"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool" -static -no_warning_for_no_symbols -o ../../../libLLVMAMDGPUDisassembler.a CMakeFiles/LLVMAMDGPUDisassembler.dir/AMDGPUDisassembler.cpp.o
+[ 51%] Built target LLVMAMDGPUDisassembler
+make: *** [all] Error 2
+```
+
+So I tried building LLVM from source [(from here)](https://github.com/ziglang/zig/wiki/How-to-build-LLVM,-libclang,-and-liblld-from-source#posix)...
 
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