toolchain.cmake

SET(CMAKE_C_FLAGS "-Wall -std=c99")
SET(CMAKE_C_FLAGS_DEBUG "-g")
SET(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG")
SET(CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG")
SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g")

SET(CMAKE_CXX_FLAGS "-Wall")
SET(CMAKE_CXX_FLAGS_DEBUG "-g")
SET(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG")
SET(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")

# set target to rustc target
EXECUTE_PROCESS(COMMAND bash "-c" "rustc -vV | sed -n 's|host: ||p'"
                OUTPUT_VARIABLE TARGET
                OUTPUT_STRIP_TRAILING_WHITESPACE)
SET(CMAKE_C_COMPILER_TARGET ${TARGET})
SET(CMAKE_CXX_COMPILER_TARGET ${TARGET})

if (APPLE)
    MESSAGE(STATUS "Using LLVM/Clang from Homebrew")
    SET(CMAKE_C_COMPILER   $ENV{HOMEBREW_PREFIX}/opt/llvm/bin/clang)
    SET(CMAKE_CXX_COMPILER $ENV{HOMEBREW_PREFIX}/opt/llvm/bin/clang++)
    SET(CMAKE_AR           $ENV{HOMEBREW_PREFIX}/opt/llvm/bin/llvm-ar)
    SET(CMAKE_LINKER       $ENV{HOMEBREW_PREFIX}/opt/llvm/bin/llvm-ld)
    SET(CMAKE_NM           $ENV{HOMEBREW_PREFIX}/opt/llvm/bin/llvm-nm)
    SET(CMAKE_OBJDUMP      $ENV{HOMEBREW_PREFIX}/opt/llvm/bin/llvm-objdump)
    SET(CMAKE_RANLIB       $ENV{HOMEBREW_PREFIX}/opt/llvm/bin/llvm-ranlib)
else ()
    MESSAGE(STATUS "Using LLVM/Clang from Linux")
    SET(CMAKE_C_COMPILER    /usr/bin/clang)
    SET(CMAKE_CXX_COMPILER  /usr/bin/clang++)
    SET(CMAKE_AR            /usr/bin/llvm-ar)
    SET(CMAKE_LINKER        /usr/bin/llvm-ld)
    SET(CMAKE_NM            /usr/bin/llvm-nm)
    SET(CMAKE_OBJDUMP       /usr/bin/llvm-objdump)
    SET(CMAKE_RANLIB        /usr/bin/llvm-ranlib)
endif ()