if(NOT _VCPKG_LINUX_TOOLCHAIN) set(_VCPKG_LINUX_TOOLCHAIN 1) if(POLICY CMP0056) cmake_policy(SET CMP0056 NEW) endif() if(POLICY CMP0066) cmake_policy(SET CMP0066 NEW) endif() if(POLICY CMP0067) cmake_policy(SET CMP0067 NEW) endif() if(POLICY CMP0137) cmake_policy(SET CMP0137 NEW) endif() list(APPEND CMAKE_TRY_COMPILE_PLATFORM_VARIABLES VCPKG_CRT_LINKAGE VCPKG_TARGET_ARCHITECTURE VCPKG_C_FLAGS VCPKG_CXX_FLAGS VCPKG_C_FLAGS_DEBUG VCPKG_CXX_FLAGS_DEBUG VCPKG_C_FLAGS_RELEASE VCPKG_CXX_FLAGS_RELEASE VCPKG_LINKER_FLAGS VCPKG_LINKER_FLAGS_RELEASE VCPKG_LINKER_FLAGS_DEBUG ) set(CMAKE_SYSTEM_NAME Linux CACHE STRING "") if(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64") set(CMAKE_SYSTEM_PROCESSOR x86_64 CACHE STRING "") elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86") set(CMAKE_SYSTEM_PROCESSOR x86 CACHE STRING "") string(APPEND VCPKG_C_FLAGS " -m32") string(APPEND VCPKG_CXX_FLAGS " -m32") string(APPEND VCPKG_LINKER_FLAGS " -m32") elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm") set(CMAKE_SYSTEM_PROCESSOR armv7l CACHE STRING "") if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux" AND NOT CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "armv7l") if(NOT DEFINED CMAKE_CXX_COMPILER) set(CMAKE_CXX_COMPILER "arm-linux-gnueabihf-g++") endif() if(NOT DEFINED CMAKE_C_COMPILER) set(CMAKE_C_COMPILER "arm-linux-gnueabihf-gcc") endif() if(NOT DEFINED CMAKE_ASM_COMPILER) set(CMAKE_ASM_COMPILER "arm-linux-gnueabihf-gcc") endif() if(NOT DEFINED CMAKE_ASM-ATT_COMPILER) set(CMAKE_ASM-ATT_COMPILER "arm-linux-gnueabihf-as") endif() message(STATUS "Cross compiling arm on host ${CMAKE_HOST_SYSTEM_PROCESSOR}, use cross compiler: ${CMAKE_CXX_COMPILER}/${CMAKE_C_COMPILER}") endif() elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64") set(CMAKE_SYSTEM_PROCESSOR aarch64 CACHE STRING "") if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux" AND NOT CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "aarch64") if(NOT DEFINED CMAKE_CXX_COMPILER) set(CMAKE_CXX_COMPILER "aarch64-linux-gnu-g++") endif() if(NOT DEFINED CMAKE_C_COMPILER) set(CMAKE_C_COMPILER "aarch64-linux-gnu-gcc") endif() if(NOT DEFINED CMAKE_ASM_COMPILER) set(CMAKE_ASM_COMPILER "aarch64-linux-gnu-gcc") endif() if(NOT DEFINED CMAKE_ASM-ATT_COMPILER) set(CMAKE_ASM-ATT_COMPILER "aarch64-linux-gnu-as") endif() message(STATUS "Cross compiling arm64 on host ${CMAKE_HOST_SYSTEM_PROCESSOR}, use cross compiler: ${CMAKE_CXX_COMPILER}/${CMAKE_C_COMPILER}") endif() endif() if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_SYSTEM_PROCESSOR STREQUAL CMAKE_HOST_SYSTEM_PROCESSOR) set(CMAKE_CROSSCOMPILING OFF CACHE BOOL "") endif() string(APPEND CMAKE_C_FLAGS_INIT " -fPIC ${VCPKG_C_FLAGS} ") string(APPEND CMAKE_CXX_FLAGS_INIT " -fPIC ${VCPKG_CXX_FLAGS} ") string(APPEND CMAKE_C_FLAGS_DEBUG_INIT " ${VCPKG_C_FLAGS_DEBUG} ") string(APPEND CMAKE_CXX_FLAGS_DEBUG_INIT " ${VCPKG_CXX_FLAGS_DEBUG} ") string(APPEND CMAKE_C_FLAGS_RELEASE_INIT " ${VCPKG_C_FLAGS_RELEASE} ") string(APPEND CMAKE_CXX_FLAGS_RELEASE_INIT " ${VCPKG_CXX_FLAGS_RELEASE} ") string(APPEND CMAKE_MODULE_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ") string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ") string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ") if(VCPKG_CRT_LINKAGE STREQUAL "static") string(APPEND CMAKE_MODULE_LINKER_FLAGS_INIT "-static ") string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT "-static ") string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT "-static ") endif() string(APPEND CMAKE_MODULE_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ") string(APPEND CMAKE_SHARED_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ") string(APPEND CMAKE_EXE_LINKER_FLAGS_DEBUG_INIT " ${VCPKG_LINKER_FLAGS_DEBUG} ") string(APPEND CMAKE_MODULE_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ") string(APPEND CMAKE_SHARED_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ") string(APPEND CMAKE_EXE_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ") string(APPEND CMAKE_ASM_FLAGS_INIT " ${VCPKG_C_FLAGS} ") endif()