toolchains/linux.cmake at master · qis/toolchains · GitHub

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if(NOT DEFINED VCPKG_TARGET_TRIPLET)
  set(VCPKG_TARGET_TRIPLET "x64-linux-xnet" CACHE STRING "")
endif()

include("${CMAKE_CURRENT_LIST_DIR}/config.cmake")

if(DEFINED CMAKE_CXX_CLANG_TIDY AND CMAKE_BUILD_TYPE STREQUAL "Debug")
  unset(CMAKE_CXX_CLANG_TIDY CACHE)
endif()

# Set system.
set(CMAKE_CROSSCOMPILING OFF CACHE BOOL "")
set(CMAKE_SYSTEM_PROCESSOR x86_64 CACHE STRING "")
set(CMAKE_SYSTEM_NAME Linux CACHE STRING "")

# Set compiler.
set(CMAKE_C_COMPILER "cc" CACHE STRING "" FORCE)
set(CMAKE_CXX_COMPILER "c++" CACHE STRING "" FORCE)
set(CMAKE_RANLIB "ranlib" CACHE STRING "" FORCE)
set(CMAKE_AR "ar" CACHE STRING "" FORCE)
set(CMAKE_NM "nm" CACHE STRING "" FORCE)

# Base Flags
set(BASE_FLAGS "-Wall -Wextra -Wpedantic -Wno-unused-parameter -Wno-unused-variable")
set(BASE_FLAGS "${BASE_FLAGS} -D_DEFAULT_SOURCE=1")

if(NOT VCPKG_BUILDING_PORT)
  set(BASE_FLAGS "${BASE_FLAGS} -fcolor-diagnostics")
endif()

# Compiler Flags
set(CMAKE_C_FLAGS "-fasm -fPIC ${BASE_FLAGS} ${VCPKG_C_FLAGS} -pthread" CACHE STRING "")
set(CMAKE_C_FLAGS_DEBUG "-O0 -g ${VCPKG_C_FLAGS_DEBUG}" CACHE STRING "")
set(CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG ${VCPKG_C_FLAGS_RELEASE}" CACHE STRING "")
set(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG ${VCPKG_C_FLAGS_RELEASE}" CACHE STRING "")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG ${VCPKG_C_FLAGS_RELEASE}" CACHE STRING "")

set(CMAKE_CXX_FLAGS "-stdlib=libc++ ${CMAKE_C_FLAGS} ${VCPKG_CXX_FLAGS}" CACHE STRING "")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${VCPKG_CXX_FLAGS_DEBUG}" CACHE STRING "")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${VCPKG_CXX_FLAGS_RELEASE}" CACHE STRING "")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} ${VCPKG_CXX_FLAGS_RELEASE}" CACHE STRING "")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${VCPKG_CXX_FLAGS_RELEASE}" CACHE STRING "")

# Linker Flags
set(LLVM_STATIC_LIBCXX "-static-libstdc++ -Wl,/opt/llvm/lib/libc++abi.a")
foreach(LINKER SHARED_LINKER MODULE_LINKER EXE_LINKER)
  set(CMAKE_${LINKER}_FLAGS "-Wl,--as-needed -fuse-ld=lld ${VCPKG_LINKER_FLAGS}" CACHE STRING "")
  set(CMAKE_${LINKER}_FLAGS_DEBUG "${VCPKG_LINKER_FLAGS_DEBUG}" CACHE STRING "")
  set(CMAKE_${LINKER}_FLAGS_RELEASE "-Wl,-s ${LLVM_STATIC_LIBCXX} ${VCPKG_LINKER_FLAGS_RELEASE}" CACHE STRING "")
  set(CMAKE_${LINKER}_FLAGS_MINSIZEREL "-Wl,-s ${LLVM_STATIC_LIBCXX} ${VCPKG_LINKER_FLAGS_RELEASE} -Xlinker -plugin-opt=O3" CACHE STRING "")
  set(CMAKE_${LINKER}_FLAGS_RELWITHDEBINFO "${LLVM_STATIC_LIBCXX} ${VCPKG_LINKER_FLAGS_RELEASE}" CACHE STRING "")
endforeach()

if(NOT TOOLCHAIN_LINK_LIBRARIES)
  set(TOOLCHAIN_LINK_LIBRARIES ON)
  mark_as_advanced(TOOLCHAIN_LINK_LIBRARIES)
  link_libraries(dl)
endif()