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Description
Trying system clang still ends up with failure.
> cmake -Sccls -Bccls/Release -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER=clang++ -DSYSTEM_CLANG=ON -DCMAKE_INSTALL_PREFIX=/usr/local -DUSE_SYSTEM_RAPIDJSON=ON -DLLVM_ENABLE_ZLIB=ON
-- The CXX compiler identification is Clang 21.0.0
-- The C compiler identification is GNU 14.2.0
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Performing Test HAVE_FFI_CALL
-- Performing Test HAVE_FFI_CALL - Success
-- Found FFI: /usr/lib/x86_64-linux-gnu/libffi.so
-- Looking for histedit.h
CMake Warning (dev) at /usr/share/cmake-3.28/Modules/CheckIncludeFile.cmake:77 (message):
Policy CMP0075 is not set: Include file check macros honor
CMAKE_REQUIRED_LIBRARIES. Run "cmake --help-policy CMP0075" for policy
details. Use the cmake_policy command to set the policy and suppress this
warning.
CMAKE_REQUIRED_LIBRARIES is set to:
/usr/lib/x86_64-linux-gnu/libedit.so
For compatibility with CMake 3.11 and below this check is ignoring it.
Call Stack (most recent call first):
/usr/lib/cmake/llvm-21/FindLibEdit.cmake:28 (check_include_file)
/usr/lib/cmake/llvm-21/LLVMConfig.cmake:293 (find_package)
/usr/lib/cmake/clang-21/ClangConfig.cmake:12 (find_package)
CMakeLists.txt:72 (find_package)
This warning is for project developers. Use -Wno-dev to suppress it.
-- Looking for histedit.h - found
-- Found LibEdit: /usr/include (found version "2.11")
-- Found ZLIB: /usr/lib/x86_64-linux-gnu/libz.so (found version "1.3")
-- Found zstd: /usr/lib/x86_64-linux-gnu/libzstd.so
-- Found LibXml2: /usr/lib/x86_64-linux-gnu/libxml2.so (found version "2.9.14")
-- Found CURL: /usr/lib/x86_64-linux-gnu/libcurl.so (found version "8.5.0")
CMake Error at /usr/lib/cmake/llvm-21/LLVMConfig.cmake:379 (include):
include could not find requested file:
/usr/lib/lib/cmake/llvm/LLVMExports.cmake
Call Stack (most recent call first):
/usr/lib/cmake/clang-21/ClangConfig.cmake:12 (find_package)
CMakeLists.txt:72 (find_package)
CMake Error at /usr/lib/cmake/llvm-21/LLVMConfig.cmake:409 (include):
include could not find requested file:
/usr/lib/lib/cmake/llvm/LLVM-Config.cmake
Call Stack (most recent call first):
/usr/lib/cmake/clang-21/ClangConfig.cmake:12 (find_package)
CMakeLists.txt:72 (find_package)
CMake Error at /usr/lib/cmake/clang-21/ClangConfig.cmake:21 (include):
include could not find requested file:
/usr/lib/lib/cmake/clang/ClangTargets.cmake
Call Stack (most recent call first):
CMakeLists.txt:72 (find_package)
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- RapidJSON found. Headers: /usr/include
fatal: No names found, cannot describe anything.
-- Configuring incomplete, errors occurred!
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