1d4afb5ceSopenharmony_ci# 2d4afb5ceSopenharmony_ci# CMake Toolchain file for crosscompiling on MingW. 3d4afb5ceSopenharmony_ci# 4d4afb5ceSopenharmony_ci# This can be used when running cmake in the following way: 5d4afb5ceSopenharmony_ci# cd build/ 6d4afb5ceSopenharmony_ci# cmake .. -DCMAKE_TOOLCHAIN_FILE=../cross-ming.cmake 7d4afb5ceSopenharmony_ci# 8d4afb5ceSopenharmony_ci 9d4afb5ceSopenharmony_ciset(CROSS_PATH /usr/bin) 10d4afb5ceSopenharmony_ci 11d4afb5ceSopenharmony_ci# Target operating system name. 12d4afb5ceSopenharmony_ciset(CMAKE_SYSTEM_NAME Windows) 13d4afb5ceSopenharmony_ciset(BUILD_SHARED_LIBS OFF) 14d4afb5ceSopenharmony_ci 15d4afb5ceSopenharmony_ci# Name of C compiler. 16d4afb5ceSopenharmony_ciset(CMAKE_C_COMPILER "${CROSS_PATH}/x86_64-w64-mingw32-gcc") 17d4afb5ceSopenharmony_ci#set(CMAKE_CXX_COMPILER "${CROSS_PATH}/x86_64-w64-mingw32-g++") 18d4afb5ceSopenharmony_ciset(CMAKE_RC_COMPILER "${CROSS_PATH}/x86_64-w64-mingw32-windres") 19d4afb5ceSopenharmony_ciset(CMAKE_C_FLAGS "-Wno-error") 20d4afb5ceSopenharmony_ci 21d4afb5ceSopenharmony_ci# 22d4afb5ceSopenharmony_ci# Different build system distros set release optimization level to different 23d4afb5ceSopenharmony_ci# things according to their local policy, eg, Fedora is -O2 and Ubuntu is -O3 24d4afb5ceSopenharmony_ci# here. Actually the build system's local policy is completely unrelated to 25d4afb5ceSopenharmony_ci# our desire for cross-build release optimization policy for code built to run 26d4afb5ceSopenharmony_ci# on a completely different target than the build system itself. 27d4afb5ceSopenharmony_ci# 28d4afb5ceSopenharmony_ci# Since this goes last on the compiler commandline we have to override it to a 29d4afb5ceSopenharmony_ci# sane value for cross-build here. Notice some gcc versions enable broken 30d4afb5ceSopenharmony_ci# optimizations with -O3. 31d4afb5ceSopenharmony_ci# 32d4afb5ceSopenharmony_ciif (CMAKE_BUILD_TYPE MATCHES RELEASE OR CMAKE_BUILD_TYPE MATCHES Release OR CMAKE_BUILD_TYPE MATCHES release) 33d4afb5ceSopenharmony_ci set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2") 34d4afb5ceSopenharmony_ci set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2") 35d4afb5ceSopenharmony_ciendif() 36d4afb5ceSopenharmony_ci 37d4afb5ceSopenharmony_ci# Where to look for the target environment. (More paths can be added here) 38d4afb5ceSopenharmony_ciset(CMAKE_FIND_ROOT_PATH "${CROSS_PATH}") 39d4afb5ceSopenharmony_ci 40d4afb5ceSopenharmony_ci# Adjust the default behavior of the FIND_XXX() commands: 41d4afb5ceSopenharmony_ci# search programs in the host environment only. 42d4afb5ceSopenharmony_ciset(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) 43d4afb5ceSopenharmony_ci 44d4afb5ceSopenharmony_ci# Search headers and libraries in the target environment only. 45d4afb5ceSopenharmony_ciset(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 46d4afb5ceSopenharmony_ciset(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 47d4afb5ceSopenharmony_ci 48