44 lines
1.8 KiB
CMake
44 lines
1.8 KiB
CMake
# Get Host Architecture
|
|
find_program(UNAME uname /bin /usr/bin /usr/local/bin REQUIRED)
|
|
execute_process(COMMAND "${UNAME}" "-m" OUTPUT_VARIABLE HOST_ARCHITECTURE ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
|
|
|
|
# Pick GCC Version
|
|
macro(pick_gcc_version gcc_root gcc_version)
|
|
file(GLOB children RELATIVE "${gcc_root}" "${gcc_root}/*")
|
|
set("${gcc_version}" "")
|
|
foreach(child IN LISTS children)
|
|
if(IS_DIRECTORY "${gcc_root}/${child}" AND ("${${gcc_version}}" STREQUAL "" OR "${child}" GREATER_EQUAL "${${gcc_version}}"))
|
|
set("${gcc_version}" "${child}")
|
|
endif()
|
|
endforeach()
|
|
if("${${gcc_version}}" STREQUAL "")
|
|
message(FATAL_ERROR "Unable To Pick GCC Version")
|
|
endif()
|
|
endmacro()
|
|
|
|
# Setup Toolchain
|
|
macro(setup_toolchain target)
|
|
# Use ARM Cross-Compiler
|
|
set(CMAKE_C_COMPILER "clang")
|
|
set(CMAKE_C_COMPILER_TARGET "${target}")
|
|
set(CMAKE_CXX_COMPILER "clang++")
|
|
set(CMAKE_CXX_COMPILER_TARGET "${target}")
|
|
set(CMAKE_FIND_ROOT_PATH "/usr/${target}" "/usr/lib/${target}")
|
|
# Include Directories
|
|
pick_gcc_version("/usr/lib/gcc-cross/${target}" GCC_VERSION)
|
|
string(CONCAT NEW_FLAGS
|
|
"-nostdinc -nostdinc++ -Wno-unused-command-line-argument "
|
|
"-isystem /usr/${target}/include/c++/${GCC_VERSION} "
|
|
"-isystem /usr/${target}/include/c++/${GCC_VERSION}/${target} "
|
|
"-isystem /usr/${target}/include/c++/${GCC_VERSION}/backward "
|
|
"-isystem /usr/lib/gcc-cross/${target}/${GCC_VERSION}/include "
|
|
"-isystem /usr/lib/gcc-cross/${target}/${GCC_VERSION}/include-fixed "
|
|
"-isystem /usr/${target}/include "
|
|
"-isystem /usr/include"
|
|
)
|
|
set(CMAKE_C_FLAGS_INIT "${CMAKE_C_FLAGS_INIT} ${NEW_FLAGS}")
|
|
set(CMAKE_CXX_FLAGS_INIT "${CMAKE_CXX_FLAGS_INIT} ${NEW_FLAGS}")
|
|
# Extra
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
|
|
endmacro()
|