set(CROSS_ROOTFS $ENV{ROOTFS_DIR}) set(TARGET_ARCH_NAME $ENV{TARGET_BUILD_ARCH}) set(CMAKE_SYSTEM_NAME Linux) set(CMAKE_SYSTEM_VERSION 1) if(TARGET_ARCH_NAME STREQUAL "armel") set(CMAKE_SYSTEM_PROCESSOR armv7l) set(TOOLCHAIN "arm-linux-gnueabi") if("$ENV{__DistroRid}" MATCHES "tizen.*") set(TIZEN_TOOLCHAIN "armv7l-tizen-linux-gnueabi/6.2.1") endif() elseif(TARGET_ARCH_NAME STREQUAL "arm") set(CMAKE_SYSTEM_PROCESSOR armv7l) if(EXISTS ${CROSS_ROOTFS}/usr/lib/gcc/armv6-alpine-linux-musleabihf) set(TOOLCHAIN "armv6-alpine-linux-musleabihf") else() set(TOOLCHAIN "arm-linux-gnueabihf") endif() elseif(TARGET_ARCH_NAME STREQUAL "arm64") set(CMAKE_SYSTEM_PROCESSOR aarch64) if(EXISTS ${CROSS_ROOTFS}/usr/lib/gcc/aarch64-alpine-linux-musl) set(TOOLCHAIN "aarch64-alpine-linux-musl") else() set(TOOLCHAIN "aarch64-linux-gnu") endif() elseif(TARGET_ARCH_NAME STREQUAL "x86") set(CMAKE_SYSTEM_PROCESSOR i686) set(TOOLCHAIN "i686-linux-gnu") else() message(FATAL_ERROR "Arch is ${TARGET_ARCH_NAME}. Only armel, arm, arm64 and x86 are supported!") endif() if(DEFINED ENV{TOOLCHAIN}) set(TOOLCHAIN $ENV{TOOLCHAIN}) endif() # This gets called with CLR_CMAKE_COMPILER set on the first invocation # but the cmake variable is not getting populated into other calls. # Use environment variable to keep CLR_CMAKE_COMPILER around. if (NOT DEFINED CLR_CMAKE_COMPILER) set(CLR_CMAKE_COMPILER $ENV{CLR_CMAKE_COMPILER}) else() set(ENV{CLR_CMAKE_COMPILER} ${CLR_CMAKE_COMPILER}) endif() # Specify include paths if(TARGET_ARCH_NAME STREQUAL "armel") if(DEFINED TIZEN_TOOLCHAIN) include_directories(SYSTEM ${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}/include/c++/) include_directories(SYSTEM ${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}/include/c++/armv7l-tizen-linux-gnueabi) endif() endif() # add_compile_param - adds only new options without duplicates. # arg0 - list with result options, arg1 - list with new options. # arg2 - optional argument, quick summary string for optional using CACHE FORCE mode. macro(add_compile_param) if(NOT ${ARGC} MATCHES "^(2|3)$") message(FATAL_ERROR "Wrong using add_compile_param! Two or three parameters must be given! See add_compile_param description.") endif() foreach(OPTION ${ARGV1}) if(NOT ${ARGV0} MATCHES "${OPTION}($| )") set(${ARGV0} "${${ARGV0}} ${OPTION}") if(${ARGC} EQUAL "3") # CACHE FORCE mode set(${ARGV0} "${${ARGV0}}" CACHE STRING "${ARGV2}" FORCE) endif() endif() endforeach() endmacro() # Specify link flags add_compile_param(CROSS_LINK_FLAGS "--sysroot=${CROSS_ROOTFS}") if (CLR_CMAKE_COMPILER STREQUAL "Clang") add_compile_param(CROSS_LINK_FLAGS "--gcc-toolchain=${CROSS_ROOTFS}/usr") add_compile_param(CROSS_LINK_FLAGS "--target=${TOOLCHAIN}") endif() if(TARGET_ARCH_NAME STREQUAL "armel") if(DEFINED TIZEN_TOOLCHAIN) # For Tizen only add_compile_param(CROSS_LINK_FLAGS "-B${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}") add_compile_param(CROSS_LINK_FLAGS "-L${CROSS_ROOTFS}/lib") add_compile_param(CROSS_LINK_FLAGS "-L${CROSS_ROOTFS}/usr/lib") add_compile_param(CROSS_LINK_FLAGS "-L${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}") endif() elseif(TARGET_ARCH_NAME STREQUAL "x86") add_compile_param(CROSS_LINK_FLAGS "-m32") endif() add_compile_param(CMAKE_EXE_LINKER_FLAGS "${CROSS_LINK_FLAGS}" "TOOLCHAIN_EXE_LINKER_FLAGS") add_compile_param(CMAKE_SHARED_LINKER_FLAGS "${CROSS_LINK_FLAGS}" "TOOLCHAIN_EXE_LINKER_FLAGS") add_compile_param(CMAKE_MODULE_LINKER_FLAGS "${CROSS_LINK_FLAGS}" "TOOLCHAIN_EXE_LINKER_FLAGS") # Specify compile options add_compile_options("--sysroot=${CROSS_ROOTFS}") if (CLR_CMAKE_COMPILER STREQUAL "Clang") add_compile_options("--target=${TOOLCHAIN}") add_compile_options("--gcc-toolchain=${CROSS_ROOTFS}/usr") endif() if(TARGET_ARCH_NAME MATCHES "^(arm|armel|arm64)$") set(CMAKE_C_COMPILER_TARGET ${TOOLCHAIN}) set(CMAKE_CXX_COMPILER_TARGET ${TOOLCHAIN}) set(CMAKE_ASM_COMPILER_TARGET ${TOOLCHAIN}) endif() if(TARGET_ARCH_NAME MATCHES "^(arm|armel)$") add_compile_options(-mthumb) add_compile_options(-mfpu=vfpv3) if(TARGET_ARCH_NAME STREQUAL "armel") add_compile_options(-mfloat-abi=softfp) if(DEFINED TIZEN_TOOLCHAIN) add_compile_options(-Wno-deprecated-declarations) # compile-time option add_compile_options(-D__extern_always_inline=inline) # compile-time option endif() endif() elseif(TARGET_ARCH_NAME STREQUAL "x86") add_compile_options(-m32) add_compile_options(-Wno-error=unused-command-line-argument) endif() # Set LLDB include and library paths if(TARGET_ARCH_NAME MATCHES "^(arm|armel|x86)$") if(TARGET_ARCH_NAME STREQUAL "x86") set(LLVM_CROSS_DIR "$ENV{LLVM_CROSS_HOME}") else() # arm/armel case set(LLVM_CROSS_DIR "$ENV{LLVM_ARM_HOME}") endif() if(LLVM_CROSS_DIR) set(WITH_LLDB_LIBS "${LLVM_CROSS_DIR}/lib/" CACHE STRING "") set(WITH_LLDB_INCLUDES "${LLVM_CROSS_DIR}/include" CACHE STRING "") set(LLDB_H "${WITH_LLDB_INCLUDES}" CACHE STRING "") set(LLDB "${LLVM_CROSS_DIR}/lib/liblldb.so" CACHE STRING "") else() if(TARGET_ARCH_NAME STREQUAL "x86") set(WITH_LLDB_LIBS "${CROSS_ROOTFS}/usr/lib/i386-linux-gnu" CACHE STRING "") set(CHECK_LLVM_DIR "${CROSS_ROOTFS}/usr/lib/llvm-3.8/include") if(EXISTS "${CHECK_LLVM_DIR}" AND IS_DIRECTORY "${CHECK_LLVM_DIR}") set(WITH_LLDB_INCLUDES "${CHECK_LLVM_DIR}") else() set(WITH_LLDB_INCLUDES "${CROSS_ROOTFS}/usr/lib/llvm-3.6/include") endif() else() # arm/armel case set(WITH_LLDB_LIBS "${CROSS_ROOTFS}/usr/lib/${TOOLCHAIN}" CACHE STRING "") set(WITH_LLDB_INCLUDES "${CROSS_ROOTFS}/usr/lib/llvm-3.6/include" CACHE STRING "") endif() endif() endif() set(CMAKE_FIND_ROOT_PATH "${CROSS_ROOTFS}") set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)