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set(CROSS_ROOTFS $ENV{ROOTFS_DIR})
set(TARGET_ARCH_NAME $ENV{TARGET_BUILD_ARCH})
if(EXISTS ${CROSS_ROOTFS}/bin/freebsd-version)
set(CMAKE_SYSTEM_NAME FreeBSD)
else()
set(CMAKE_SYSTEM_NAME Linux)
endif()
set(CMAKE_SYSTEM_VERSION 1)
if(TARGET_ARCH_NAME STREQUAL "armel")
set(CMAKE_SYSTEM_PROCESSOR armv7l)
set(TOOLCHAIN "arm-linux-gnueabi")
if("$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")
elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(CMAKE_SYSTEM_PROCESSOR "x86_64")
set(triple "x86_64-unknown-freebsd11")
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()
# 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()
if("$ENV{__DistroRid}" MATCHES "android.*")
if(TARGET_ARCH_NAME STREQUAL "arm")
set(ANDROID_ABI armeabi-v7a)
elseif(TARGET_ARCH_NAME STREQUAL "arm64")
set(ANDROID_ABI arm64-v8a)
endif()
# extract platform number required by the NDK's toolchain
string(REGEX REPLACE ".*\\.([0-9]+)-.*" "\\1" ANDROID_PLATFORM "$ENV{__DistroRid}")
set(ANDROID_TOOLCHAIN clang)
set(FEATURE_EVENT_TRACE 0) # disable event trace as there is no lttng-ust package in termux repository
set(CMAKE_SYSTEM_LIBRARY_PATH "${CROSS_ROOTFS}/usr/lib")
set(CMAKE_SYSTEM_INCLUDE_PATH "${CROSS_ROOTFS}/usr/include")
# include official NDK toolchain script
include(${CROSS_ROOTFS}/../build/cmake/android.toolchain.cmake)
elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
# we cross-compile by instructing clang
set(CMAKE_C_COMPILER_TARGET ${triple})
set(CMAKE_CXX_COMPILER_TARGET ${triple})
set(CMAKE_ASM_COMPILER_TARGET ${triple})
set(CMAKE_SYSROOT "${CROSS_ROOTFS}")
else()
set(CMAKE_SYSROOT "${CROSS_ROOTFS}")
set(CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN "${CROSS_ROOTFS}/usr")
set(CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN "${CROSS_ROOTFS}/usr")
set(CMAKE_ASM_COMPILER_EXTERNAL_TOOLCHAIN "${CROSS_ROOTFS}/usr")
endif()
# Specify link flags
if(TARGET_ARCH_NAME STREQUAL "armel")
if(DEFINED TIZEN_TOOLCHAIN) # For Tizen only
add_link_options("-B${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}")
add_link_options("-L${CROSS_ROOTFS}/lib")
add_link_options("-L${CROSS_ROOTFS}/usr/lib")
add_link_options("-L${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}")
endif()
elseif(TARGET_ARCH_NAME STREQUAL "x86")
add_link_options(-m32)
endif()
# Specify compile options
if(TARGET_ARCH_NAME MATCHES "^(arm|armel|arm64)$" AND NOT "$ENV{__DistroRid}" MATCHES "android.*")
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)
if (NOT DEFINED CLR_ARM_FPU_TYPE)
set (CLR_ARM_FPU_TYPE vfpv3)
endif (NOT DEFINED CLR_ARM_FPU_TYPE)
add_compile_options (-mfpu=${CLR_ARM_FPU_TYPE})
if (NOT DEFINED CLR_ARM_FPU_CAPABILITY)
set (CLR_ARM_FPU_CAPABILITY 0x7)
endif (NOT DEFINED CLR_ARM_FPU_CAPABILITY)
add_definitions (-DCLR_ARM_FPU_CAPABILITY=${CLR_ARM_FPU_CAPABILITY})
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 for builds that need lldb.
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_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)
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