diff options
Diffstat (limited to 'project/cmake')
| -rw-r--r-- | project/cmake/build.py | 40 | ||||
| -rw-r--r-- | project/cmake/toolchain.py | 105 |
2 files changed, 129 insertions, 16 deletions
diff --git a/project/cmake/build.py b/project/cmake/build.py index 101a4ea..5127c3d 100644 --- a/project/cmake/build.py +++ b/project/cmake/build.py @@ -17,18 +17,6 @@ A simple usage example: $ ./path/to/somewhere/bin/foo foo - -Picking the target platform is build system-specific. On Visual Studio, pass -the target platform using the `-A` flag like this: - - > python -m project.cmake.build --install path\to\somewhere -- examples\simple -A Win32 - ... - -Using GCC-like compilers, the best way is to use CMake toolchain files (see -toolchains/cmake in this repository for examples). - - $ python -m project.cmake.build --install path/to/somewhere -- examples/simple -D CMAKE_TOOLCHAIN_FILE="$( pwd )/toolchains/mingw-x86.cmake" - ... ''' import argparse @@ -39,7 +27,9 @@ import os.path import sys import tempfile +from project.cmake.toolchain import Toolchain from project.configuration import Configuration +from project.platform import Platform from project.utils import normalize_path, run, setup_logging @@ -52,7 +42,8 @@ def run_cmake(cmake_args): class GenerationPhase: def __init__(self, src_dir, build_dir, install_dir=None, - configuration=DEFAULT_CONFIGURATION, cmake_args=None): + platform=None, configuration=DEFAULT_CONFIGURATION, + mingw=False, cmake_args=None): src_dir = normalize_path(src_dir) build_dir = normalize_path(build_dir) if install_dir is not None: @@ -62,20 +53,24 @@ class GenerationPhase: self.src_dir = src_dir self.build_dir = build_dir self.install_dir = install_dir + self.platform = platform self.configuration = configuration + self.mingw = mingw self.cmake_args = cmake_args - def _cmake_args(self): + def _cmake_args(self, toolchain): result = [] if self.install_dir is not None: result += ['-D', f'CMAKE_INSTALL_PREFIX={self.install_dir}'] + result += toolchain.get_cmake_args() result += ['-D', f'CMAKE_BUILD_TYPE={self.configuration}'] result += self.cmake_args result += [f'-B{self.build_dir}', f'-H{self.src_dir}'] return result def run(self): - run_cmake(self._cmake_args()) + with Toolchain.detect(self.platform, self.build_dir, mingw=self.mingw) as toolchain: + run_cmake(self._cmake_args(toolchain)) class BuildPhase: @@ -101,7 +96,8 @@ class BuildPhase: class BuildParameters: def __init__(self, src_dir, build_dir=None, install_dir=None, - configuration=DEFAULT_CONFIGURATION, cmake_args=None): + platform=None, configuration=DEFAULT_CONFIGURATION, + mingw=False, cmake_args=None): src_dir = normalize_path(src_dir) if build_dir is not None: @@ -113,7 +109,9 @@ class BuildParameters: self.src_dir = src_dir self.build_dir = build_dir self.install_dir = install_dir + self.platform = platform self.configuration = configuration + self.mingw = mingw self.cmake_args = cmake_args @staticmethod @@ -140,7 +138,9 @@ def build(params): with params.create_build_dir() as build_dir: gen_phase = GenerationPhase(params.src_dir, build_dir, install_dir=params.install_dir, + platform=params.platform, configuration=params.configuration, + mingw=params.mingw, cmake_args=params.cmake_args) gen_phase.run() build_phase = BuildPhase(build_dir, install_dir=params.install_dir, @@ -164,11 +164,19 @@ def _parse_args(argv=None): type=normalize_path, help='install directory') + platform_options = '/'.join(map(str, Platform.all())) configuration_options = '/'.join(map(str, Configuration.all())) + + parser.add_argument('--platform', metavar='PLATFORM', + type=Platform.parse, + help=f'target platform ({platform_options})') parser.add_argument('--configuration', metavar='CONFIG', type=Configuration.parse, default=DEFAULT_CONFIGURATION, help=f'build configuration ({configuration_options})') + parser.add_argument('--mingw', action='store_true', + help='build using MinGW-w64') + parser.add_argument('src_dir', metavar='DIR', type=normalize_path, help='source directory') diff --git a/project/cmake/toolchain.py b/project/cmake/toolchain.py new file mode 100644 index 0000000..073cd1b --- /dev/null +++ b/project/cmake/toolchain.py @@ -0,0 +1,105 @@ +# Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com> +# This file is part of the "cmake-common" project. +# For details, see https://github.com/egor-tensin/cmake-common. +# Distributed under the MIT License. + +import abc +from contextlib import contextmanager +import os.path + +import project.mingw +from project.platform import Platform +from project.os import on_windows + + +class Toolchain(abc.ABC): + @abc.abstractmethod + def get_cmake_args(self): + pass + + @staticmethod + @contextmanager + def detect(platform, build_dir, mingw=False): + if mingw: + with MinGW.setup(platform, build_dir) as toolchain: + yield toolchain + return + + if on_windows(): + # MSVC is assumed. + if platform is None: + yield Native() + return + yield MSVC(platform) + return + + with GCC.setup(platform, build_dir) as toolchain: + yield toolchain + return + + +class Native(Toolchain): + def get_cmake_args(self): + return [] + + +class MSVC(Toolchain): + def __init__(self, platform): + self.platform = platform + + def get_cmake_args(self): + return ['-A', self.platform.get_cmake_arch()] + + +class File(Toolchain): + def __init__(self, path): + self.path = path + + @staticmethod + def _get_path(build_dir): + return os.path.join(build_dir, 'custom_toolchain.cmake') + + def get_cmake_args(self): + return ['-D', f'CMAKE_TOOLCHAIN_FILE={self.path}'] + + +class GCC(File): + @staticmethod + def _format(platform): + return f''' +set(CMAKE_C_COMPILER gcc) +set(CMAKE_C_FLAGS -m{platform.get_address_model()}) +set(CMAKE_CXX_COMIPLER g++) +set(CMAKE_CXX_FLAGS -m{platform.get_address_model()}) +''' + + @staticmethod + @contextmanager + def setup(platform, build_dir): + if platform is None: + yield Native() + return + path = File._get_path(build_dir) + with open(path, mode='w') as file: + file.write(GCC._format(platform)) + yield GCC(path) + + +class MinGW(File): + @staticmethod + def _format(platform): + return f''' +set(CMAKE_C_COMPILER {project.mingw.get_gcc(platform)}) +set(CMAKE_CXX_COMPILER {project.mingw.get_gxx(platform)}) +set(CMAKE_RC_COMILER {project.mingw.get_windres(platform)}) +set(CMAKE_SYSTEM_NAME Windows) +''' + + @staticmethod + @contextmanager + def setup(platform, build_dir): + platform = platform or Platform.native() + path = File._get_path(build_dir) + with open(path, mode='w') as file: + file.write(MinGW._format(platform)) + yield MinGW(path) |