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if(DEFINED ENV{TARGET_SYS})
set(TARGET_SYS $ENV{TARGET_SYS})
endif()
if(TARGET_SYS AND NOT ZIG_INIT)
set(ZIG_INIT ON)
set(ZIG_HACK)
if(DEFINED ENV{ZIG_TOOLCHAIN_PATH})
set(ZIG_TOOLCHAIN_PATH $ENV{ZIG_TOOLCHAIN_PATH})
endif()
if(NOT ZIG_TOOLCHAIN_PATH)
set(ZIG_TOOLCHAIN_PATH "/usr/local/bin/zig")
endif()
set(ZBUILDTYPE)
#https://github.com/ziglang/zig/wiki/FAQ#why-do-i-get-illegal-instruction-when-using-with-zig-cc-to-build-c-code
if(CMAKE_BUILD_TYPE)
string(TOLOWER ${CMAKE_BUILD_TYPE} ZBUILDTYPE)
if(${ZBUILDTYPE} MATCHES "release")
set(BUILDFLAGS "-O3 -pthread")
elseif(${ZBUILDTYPE} MATCHES "debug")
set(BUILDFLAGS "-Og -g -pthread -fno-sanitize=undefined -fno-sanitize-trap=undefined")
endif()
endif()
if(${TARGET_SYS} STREQUAL native)
set(CMAKE_SIZEOF_VOID_P 8)
set(CMAKE_SIZEOF_UNSIGNED_SHORT 2)
else()
string(REPLACE "-" ";" TARGETS ${TARGET_SYS})
list(GET TARGETS 0 ARCH)
list(GET TARGETS 1 TARGET)
list(GET TARGETS 2 LIBC)
if(${ARCH} STREQUAL i386)
set(ARCH i686)
endif()
string(SUBSTRING ${TARGET} 0 1 T1)
string(TOUPPER ${T1} T1)
string(SUBSTRING ${TARGET} 1 10 TARGET)
set(TARGET "${T1}${TARGET}")
if(${TARGET} STREQUAL Macos)
set(TARGET Darwin)
set(HAVE_FLAG_SEARCH_PATHS_FIRST 0)
set(CMAKE_OSX_SYSROOT "") #not use SYSROOT
set(APPLE 1)
set(UNIX 1)
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.09")
endif()
if(${TARGET} STREQUAL Linux)
set(UNIX 1)
endif()
if(${TARGET} STREQUAL Windows)
set(CMAKE_C_LINK_LIBRARY_SUFFIX "")
set(WIN32 1)
endif()
string(FIND ${ARCH} "64" BIT64)
if(NOT ${BIT64} EQUAL -1)
set(CMAKE_SIZEOF_VOID_P 8)
else()
set(CMAKE_SIZEOF_VOID_P 4)
endif()
set(CMAKE_SIZEOF_UNSIGNED_SHORT 2)
set(CMAKE_CROSSCOMPILING ON)
set(CMAKE_SYSTEM_NAME ${TARGET})
set(CMAKE_SYSTEM_PROCESSOR ${ARCH})
endif()
include(CMakeForceCompiler)
set(CMAKE_C_COMPILER_FORCED 1)
set(CMAKE_C_COMPILER_ID_RUN TRUE)
set(CMAKE_C_COMPILER ${ZIG_TOOLCHAIN_PATH} cc "-target ${TARGET_SYS}")
set(CMAKE_C_COMPILER_ID "zig")
set(CMAKE_C_COMPILER_VERSION 12.0)
set(CMAKE_C_COMPILER_TARGET ${TARGET_SYS})
set(CMAKE_C_FLAGS_INIT "${BUILDFLAGS} ${ISYSTEM} ${ZIG_HACK}")
set(CMAKE_ASM_COMPILER_FORCED 1)
set(CMAKE_ASM_COMPILER_ID_RUN TRUE)
set(CMAKE_ASM_COMPILER ${ZIG_TOOLCHAIN_PATH} cc "-target ${TARGET_SYS}")
set(CMAKE_ASM_COMPILER_ID "zig")
set(CMAKE_ASM_COMPILER_VERSION 12.0)
set(CMAKE_ASM_COMPILER_TARGET ${TARGET_SYS})
set(CMAKE_ASM_FLAGS_INIT "${BUILDFLAGS} ${ISYSTEM} ${ZIG_HACK}")
set(CMAKE_CXX_COMPILER_FORCED 1)
set(CMAKE_CXX_COMPILER_ID_RUN TRUE)
set(CMAKE_CXX_COMPILER ${ZIG_TOOLCHAIN_PATH} c++ "-target ${TARGET_SYS}")
set(CMAKE_CXX_COMPILER_ID "zig")
set(CMAKE_CXX_COMPILER_VERSION 12.0)
set(CMAKE_CXX_COMPILER_TARGET ${TARGET_SYS})
set(CMAKE_CXX_FLAGS_INIT "${BUILDFLAGS} ${ISYSTEM} ${ZIG_HACK}")
SET(CMAKE_AR ${ZIG_TOOLCHAIN_PATH})
SET(CMAKE_RANLIB ${ZIG_TOOLCHAIN_PATH})
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> ar qc <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> ranlib <TARGET>")
set(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> ar q <TARGET> <LINK_FLAGS> <OBJECTS>")
SET(CMAKE_ASM_ARCHIVE_CREATE ${CMAKE_C_ARCHIVE_CREATE})
SET(CMAKE_ASM_ARCHIVE_FINISH ${CMAKE_C_ARCHIVE_FINISH})
SET(CMAKE_ASM_ARCHIVE_APPEND ${CMAKE_C_ARCHIVE_APPEND})
SET(CMAKE_CXX_ARCHIVE_CREATE ${CMAKE_C_ARCHIVE_CREATE})
SET(CMAKE_CXX_ARCHIVE_FINISH ${CMAKE_C_ARCHIVE_FINISH})
SET(CMAKE_CXX_ARCHIVE_APPEND ${CMAKE_C_ARCHIVE_APPEND})
message(STATUS "${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
endif()
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