Description
I am trying to build Codon's LLVM fork by following the build-from-source documentation by following official docs (link)
The documentation currently suggests the LLVMdependency with:
git clone --depth 1 -b codon https://github.com/exaloop/llvm-project
cmake -S llvm-project/llvm -B llvm-project/build \
-DCMAKE_BUILD_TYPE=Release \
-DLLVM_INCLUDE_TESTS=OFF \
-DLLVM_ENABLE_RTTI=ON \
-DLLVM_ENABLE_ZLIB=OFF \
-DLLVM_ENABLE_ZSTD=OFF \
-DLLVM_ENABLE_PROJECTS="openmp" \
-DLLVM_TARGETS_TO_BUILD=all
It also says:
You can use -DLLVM_ENABLE_PROJECTS="clang;openmp" if you do not have clang installed on your system.
However, on my machine, clang is already installed, but the CMake generation step still falls because the OpenMP test targets depend on a CMake target named clang , not. just a system-installed clang
The error log is below
Make Error at cmake/modules/AddLLVM.cmake:2100 (add_dependencies):
The dependency target "clang" of target "check-openmp" does not exist.
Call Stack (most recent call first):
cmake/modules/AddLLVM.cmake:2167 (add_lit_target)
/Users/rintaro/work/dev/private/llvm-project/openmp/cmake/OpenMPTesting.cmake:225 (add_lit_testsuite)
/Users/rintaro/work/dev/private/llvm-project/openmp/cmake/OpenMPTesting.cmake:248 (add_openmp_testsuite)
/Users/rintaro/work/dev/private/llvm-project/openmp/CMakeLists.txt:156 (construct_check_openmp_target)
CMake Error at cmake/modules/AddLLVM.cmake:2100 (add_dependencies):
The dependency target "clang" of target "check-libomp" does not exist.
Call Stack (most recent call first):
cmake/modules/AddLLVM.cmake:2167 (add_lit_target)
/Users/rintaro/work/dev/private/llvm-project/openmp/cmake/OpenMPTesting.cmake:233 (add_lit_testsuite)
/Users/rintaro/work/dev/private/llvm-project/openmp/runtime/test/CMakeLists.txt:44 (add_openmp_testsuite)
CMake Error at cmake/modules/AddLLVM.cmake:2100 (add_dependencies):
The dependency target "clang" of target "check-ompt" does not exist.
Call Stack (most recent call first):
cmake/modules/AddLLVM.cmake:2167 (add_lit_target)
/Users/rintaro/work/dev/private/llvm-project/openmp/cmake/OpenMPTesting.cmake:225 (add_lit_testsuite)
/Users/rintaro/work/dev/private/llvm-project/openmp/runtime/test/CMakeLists.txt:46 (add_openmp_testsuite)
After checking the LLVM/OpenMP CMake files, this appears to be a CMake target dependency rather than a lookup for a clang executable on PATH.
Relevant reference is shown below.
My Environment
- OS : macOS
- Architecture : arm64
Description
I am trying to build Codon's LLVM fork by following the build-from-source documentation by following official docs (link)
The documentation currently suggests the LLVMdependency with:
It also says:
However, on my machine,
clangis already installed, but the CMake generation step still falls because the OpenMP test targets depend on a CMake target namedclang, not. just a system-installedclangThe error log is below
After checking the LLVM/OpenMP CMake files, this appears to be a CMake target dependency rather than a lookup for a
clangexecutable onPATH.Relevant reference is shown below.
My Environment