bash-5.3$ make .init
cmake --preset dev --fresh --log-level=VERBOSE
Preset CMake variables:
CMAKE_BUILD_TYPE="Release"
CMAKE_CXX_EXTENSIONS:BOOL="TRUE"
CMAKE_CXX_FLAGS_DEBUG="-fstack-protector-strong -Wall -Wextra -Wpedantic -Wno-conversion -Wno-sign-conversion -Wcast-qual -Wformat=2 -Wundef -Wno-float-equal -Wshadow -Wcast-align -Wunused -Wnull-dereference -Wdouble-promotion -Wno-implicit-fallthrough -Wextra-semi -Woverloaded-virtual -Wnon-virtual-dtor -Wno-old-style-cast"
CMAKE_CXX_STANDARD="23"
CMAKE_CXX_STANDARD_REQUIRED:BOOL="TRUE"
CMAKE_CXX_STDLIB_MODULES_JSON="/usr/local/Cellar/llvm/21.1.6/lib/c++/libc++.modules.json"
CMAKE_EXPORT_COMPILE_COMMANDS="ON"
CMAKE_INSTALL_PREFIX:PATH="/Users/clausklein/Workspace/cpp/cxx20/fmt-module/stagedir"
CMAKE_MESSAGE_LOG_LEVEL="VERBOSE"
CMAKE_PREFIX_PATH:STRING="/Users/clausklein/Workspace/cpp/cxx20/fmt-module/stagedir"
CMAKE_VERIFY_INTERFACE_HEADER_SETS:BOOL="TRUE"
FMT_DEVELOPER_MODE:BOOL="TRUE"
-- use ccache
-- The CXX compiler identification is Clang 21.1.6
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/local/Cellar/llvm/21.1.6/bin/clang++ - skipped
-- Detecting CXX compile features
CMake Warning (dev) at /Users/clausklein/.direnv/python-3.14/lib/python3.14/site-packages/cmake/data/share/cmake-4.2/Modules/Compiler/CMakeCommonCompilerMacros.cmake:248 (cmake_language):
CMake's support for `import std;` in C++23 and newer is experimental. It
is meant only for experimentation and feedback to CMake developers.
Call Stack (most recent call first):
/Users/clausklein/.direnv/python-3.14/lib/python3.14/site-packages/cmake/data/share/cmake-4.2/Modules/CMakeDetermineCompilerSupport.cmake:113 (cmake_create_cxx_import_std)
/Users/clausklein/.direnv/python-3.14/lib/python3.14/site-packages/cmake/data/share/cmake-4.2/Modules/CMakeTestCXXCompiler.cmake:83 (CMAKE_DETERMINE_COMPILER_SUPPORT)
CMakeLists.txt:22 (project)
This warning is for project developers. Use -Wno-dev to suppress it.
-- Detecting CXX compile features - done
'brew' '--prefix' 'llvm'
-- LLVM_DIR=/usr/local/Cellar/llvm/21.1.6
-- CMAKE_CXX_COMPILER_IMPORT_STD=23;26
-- CMAKE_CXX_SCAN_FOR_MODULES=ON
-- CMAKE_CXX_MODULE_STD=ON
-- CPPdefinitions=FMT_USE_FCNTL=0;FMT_MODULE;FMT_IMPORT_STD
-- Found Git: /usr/local/bin/git (found version "2.52.0")
-- CPM: Adding package fmt@12.1.0 (12.1.0 at /Users/clausklein/.cache/CPM/fmt/6226dc0d560c5dca8bcd81db09f7e2752ccb8cef)
-- FMT_USE_MODULES=ON
-- CMAKE_CXX_MODULE_STD=ON
-- CMAKE_CXX_COMPILER_IMPORT_STD=23;26
-- Module tests to be built: header-only-test
-- Configuring done (1.2s)
-- Generating done (0.0s)
CMake Warning:
Manually-specified variables were not used by the project:
CMAKE_MESSAGE_LOG_LEVEL
-- Build files have been written to: /Users/clausklein/Workspace/cpp/cxx20/fmt-module/build/dev
ln -sf build/dev/compile_commands.json .
touch .init
bash-5.3$ 
