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Improve Clang Toolchain

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This commit is contained in:
TheBrokenRail 2021-09-14 19:02:50 -04:00
parent 647a482fbd
commit a338c11f9d
1 changed files with 13 additions and 12 deletions
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25
cmake/base-toolchain.cmake
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@ -1,16 +1,18 @@
# 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}")
if(NOT DEFINED "${gcc_version}")
file(GLOB children RELATIVE "${gcc_root}" "${gcc_root}/*")
set("${gcc_version}" "" CACHE STRING "" FORCE)
foreach(child IN LISTS children)
if(IS_DIRECTORY "${gcc_root}/${child}" AND ("${${gcc_version}}" STREQUAL "" OR "${child}" GREATER_EQUAL "${${gcc_version}}"))
set("${gcc_version}" "${child}" "" CACHE STRING "" FORCE)
endif()
endforeach()
if("${${gcc_version}}" STREQUAL "")
message(FATAL_ERROR "Unable To Pick GCC Version")
endif()
endforeach()
if("${${gcc_version}}" STREQUAL "")
message(FATAL_ERROR "Unable To Pick GCC Version")
message(STATUS "Using GCC Version: ${${gcc_version}}")
endif()
message(STATUS "Using GCC Version: ${${gcc_version}}")
endmacro()
# Setup Toolchain
@ -22,11 +24,10 @@ macro(setup_toolchain target)
set(CMAKE_CXX_COMPILER_TARGET "${target}")
set(CMAKE_FIND_ROOT_PATH "/usr/${target}" "/usr/lib/${target}")
# Include Directories
set(NEW_FLAGS "-nostdinc -nostdinc++ -Wno-unused-command-line-argument")
pick_gcc_version("/usr/lib/gcc-cross/${target}" GCC_VERSION)
set(NEW_FLAGS "-nostdinc -nostdinc++ -Wno-unused-command-line-argument -isystem /usr/lib/gcc-cross/${target}/${GCC_VERSION}/include -isystem /usr/${target}/include/c++/${GCC_VERSION} -isystem /usr/${target}/include/c++/${GCC_VERSION}/${target} -isystem /usr/${target}/include")
set(CMAKE_C_FLAGS_INIT "${CMAKE_C_FLAGS_INIT} ${NEW_FLAGS}")
set(CMAKE_CXX_FLAGS_INIT "${CMAKE_CXX_FLAGS_INIT} ${NEW_FLAGS}")
pick_gcc_version("/usr/lib/gcc-cross/${target}" GCC_VERSION)
include_directories(SYSTEM "/usr/lib/gcc-cross/${target}/${GCC_VERSION}/include" "/usr/${target}/include/c++/${GCC_VERSION}" "/usr/${target}/include/c++/${GCC_VERSION}/${target}" "/usr/${target}/include")
# Extra
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)