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if(NOT _VCPKG_LINUX_TOOLCHAIN)
set(_VCPKG_LINUX_TOOLCHAIN 1)
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux")
set(CMAKE_CROSSCOMPILING OFF CACHE BOOL "")
endif()
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")
elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm")
set(CMAKE_SYSTEM_PROCESSOR armv7l CACHE STRING "")
if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Linux" AND CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64")
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()
message(STATUS "Cross compiling arm on host x86_64, 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 CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64")
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()
message(STATUS "Cross compiling arm64 on host x86_64, use cross compiler: ${CMAKE_CXX_COMPILER}/${CMAKE_C_COMPILER}")
endif()
endif()
get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE )
if(NOT _CMAKE_IN_TRY_COMPILE)
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_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_SHARED_LINKER_FLAGS_INIT "-static ")
string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT "-static ")
endif()
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_SHARED_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
string(APPEND CMAKE_EXE_LINKER_FLAGS_RELEASE_INIT " ${VCPKG_LINKER_FLAGS_RELEASE} ")
endif()
endif()
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