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Diffstat (limited to 'doc/build.md')
| -rw-r--r-- | doc/build.md | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/doc/build.md b/doc/build.md index c8345a3..1af8a81 100644 --- a/doc/build.md +++ b/doc/build.md @@ -80,6 +80,29 @@ pacman -S --needed \ mingw-w64-x86_64-clang ``` +Confirm that both installed compilers report major version 23: + +```bash +/mingw64/bin/clang.exe --version +/mingw64/bin/clang++.exe --version +``` + +The [MINGW64 Clang package](https://packages.msys2.org/packages/mingw-w64-x86_64-clang) +and [LLVM package](https://packages.msys2.org/packages/mingw-w64-x86_64-llvm) +currently provide 23.1.3. MSYS2 keeps these package names unversioned; its +compiler executables are `clang.exe` and `clang++.exe`, not `clang-23.exe` or +`clang++-23.exe`. CMake rejects another major version even when the package +name is unchanged. MINGW64 Clang uses the GNU linker and C++ library supplied +by its package dependencies; cpsc itself is compiled with Clang 23. + +Before downloading LLVM, confirm that these repository packages' `Version` +fields all start with `23.`: + +```bash +pacman -Si mingw-w64-x86_64-llvm \ + mingw-w64-x86_64-llvm-libs mingw-w64-x86_64-llvm-tools +``` + Recommended dependency downloads to the project build directory: ```bash @@ -150,10 +173,17 @@ MSYS2 MINGW64: ```bash cmake -S . -B build -G "MinGW Makefiles" \ -DCPSC_RUN_MODE=EMBEDDED -DCMAKE_BUILD_TYPE=Release \ - -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ + -DCMAKE_C_COMPILER="$(cygpath -m /mingw64/bin/clang.exe)" \ + -DCMAKE_CXX_COMPILER="$(cygpath -m /mingw64/bin/clang++.exe)" mingw32-make -C build -j4 ``` +These explicit paths select the MINGW64 compilers checked above. `cygpath -m` +converts the MSYS2 paths for native Windows CMake. Configuration must report +Clang 23 for both compilers and `Found LLVM 23.x` for the selected development +libraries. Use the MINGW64 packages throughout; do not mix CLANG64 or UCRT64 +libraries into this build. + macOS: ```bash @@ -196,6 +226,11 @@ MSYS2 MINGW64: export PATH="$PWD/build/deps/root/mingw64/bin:$PATH" ``` +In this shell, `lli.exe --version` should identify LLVM 23. `cpsc -r` validates +the same PATH executable automatically before compiling the source. When +running from PowerShell or Command Prompt, add the Windows path to this `bin` +directory to that terminal's PATH so its DLLs can also be found. + macOS: ```bash |