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CMakeLists.txt
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cmake_minimum_required(VERSION 2.8.12)
# Use ccache if possible
FIND_PROGRAM(CCACHE_PROGRAM ccache)
IF(CCACHE_PROGRAM)
MESSAGE(STATUS "Found ccache ${CCACHE_PROGRAM}")
ENDIF()
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Debug" CACHE STRING
"Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel." FORCE)
endif()
if(NOT CMAKE_INSTALL_PREFIX)
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}" CACHE STRING
"Directory to install zig to" FORCE)
endif()
set(CMAKE_USER_MAKE_RULES_OVERRIDE
${CMAKE_CURRENT_SOURCE_DIR}/cmake/c_flag_overrides.cmake)
set(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX
${CMAKE_CURRENT_SOURCE_DIR}/cmake/cxx_flag_overrides.cmake)
project(zig C CXX)
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
set(ZIG_VERSION_MAJOR 0)
set(ZIG_VERSION_MINOR 8)
set(ZIG_VERSION_PATCH 1)
set(ZIG_VERSION "" CACHE STRING "Override Zig version string. Default is to find out with git.")
if("${ZIG_VERSION}" STREQUAL "")
set(ZIG_VERSION "${ZIG_VERSION_MAJOR}.${ZIG_VERSION_MINOR}.${ZIG_VERSION_PATCH}")
find_program(GIT_EXE NAMES git)
if(GIT_EXE)
execute_process(
COMMAND ${GIT_EXE} -C ${CMAKE_SOURCE_DIR} describe --match *.*.* --tags
RESULT_VARIABLE EXIT_STATUS
OUTPUT_VARIABLE GIT_DESCRIBE
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
if(EXIT_STATUS EQUAL "0")
if(GIT_DESCRIBE MATCHES "^v?([0-9]+\\.[0-9]+\\.[0-9]+)$")
# Tagged release version.
set(GIT_TAG ${CMAKE_MATCH_1})
if(NOT GIT_TAG VERSION_EQUAL ZIG_VERSION)
message(SEND_ERROR "Zig version (${ZIG_VERSION}) does not match Git tag (${GIT_TAG}).")
endif()
elseif(GIT_DESCRIBE MATCHES "^v?([0-9]+\\.[0-9]+\\.[0-9]+)-([0-9]+)-g(.+)$")
# Untagged pre-release. The Zig version is updated to include the number of commits
# since the last tagged version and the commit hash. The version is formatted in
# accordance with the https://semver.org specification.
set(GIT_TAG ${CMAKE_MATCH_1})
set(GIT_COMMITS_AFTER_TAG ${CMAKE_MATCH_2})
set(GIT_COMMIT ${CMAKE_MATCH_3})
if(NOT ZIG_VERSION VERSION_GREATER GIT_TAG)
message(SEND_ERROR "Zig version (${ZIG_VERSION}) must be greater than tagged ancestor (${GIT_TAG}).")
endif()
set(ZIG_VERSION "${ZIG_VERSION}-dev.${GIT_COMMITS_AFTER_TAG}+${GIT_COMMIT}")
else()
message(WARNING "Failed to parse version from output of `git describe`.")
endif()
endif()
endif()
endif()
message("Configuring zig version ${ZIG_VERSION}")
set(ZIG_STATIC off CACHE BOOL "Attempt to build a static zig executable (not compatible with glibc)")
set(ZIG_STATIC_LLVM off CACHE BOOL "Prefer linking against static LLVM libraries")
set(ZIG_STATIC_ZLIB off CACHE BOOL "Prefer linking against static zlib")
set(ZIG_PREFER_CLANG_CPP_DYLIB off CACHE BOOL "Try to link against -lclang-cpp")
set(ZIG_USE_CCACHE off CACHE BOOL "Use ccache if available")
if(CCACHE_PROGRAM AND ZIG_USE_CCACHE)
SET_PROPERTY(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
endif()
if(ZIG_STATIC)
set(ZIG_STATIC_LLVM ON)
set(ZIG_STATIC_ZLIB ON)
endif()
string(REGEX REPLACE "\\\\" "\\\\\\\\" ZIG_LIBC_LIB_DIR_ESCAPED "${ZIG_LIBC_LIB_DIR}")
string(REGEX REPLACE "\\\\" "\\\\\\\\" ZIG_LIBC_STATIC_LIB_DIR_ESCAPED "${ZIG_LIBC_STATIC_LIB_DIR}")
string(REGEX REPLACE "\\\\" "\\\\\\\\" ZIG_LIBC_INCLUDE_DIR_ESCAPED "${ZIG_LIBC_INCLUDE_DIR}")
option(ZIG_TEST_COVERAGE "Build Zig with test coverage instrumentation" OFF)
set(ZIG_TARGET_TRIPLE "native" CACHE STRING "arch-os-abi to output binaries for")
set(ZIG_TARGET_MCPU "baseline" CACHE STRING "-mcpu parameter to output binaries for")
set(ZIG_EXECUTABLE "" CACHE STRING "(when cross compiling) path to already-built zig binary")
set(ZIG_SINGLE_THREADED off CACHE BOOL "limit the zig compiler to use only 1 thread")
set(ZIG_OMIT_STAGE2 off CACHE BOOL "omit the stage2 backend from stage1")
set(ZIG_ENABLE_LOGGING off CACHE BOOL "enable logging")
if("${ZIG_TARGET_TRIPLE}" STREQUAL "native")
set(ZIG_USE_LLVM_CONFIG ON CACHE BOOL "use llvm-config to find LLVM libraries")
else()
set(ZIG_USE_LLVM_CONFIG OFF CACHE BOOL "use llvm-config to find LLVM libraries")
endif()
find_package(llvm)
find_package(clang)
find_package(lld)
if(ZIG_STATIC_ZLIB)
list(REMOVE_ITEM LLVM_LIBRARIES "-lz")
find_library(ZLIB NAMES libz.a libzlibstatic.a z zlib libz)
list(APPEND LLVM_LIBRARIES "${ZLIB}")
endif()
if(APPLE AND ZIG_STATIC)
list(REMOVE_ITEM LLVM_LIBRARIES "-lcurses")
find_library(CURSES NAMES libcurses.a curses libcurses libncurses.a ncurses libncurses)
list(APPEND LLVM_LIBRARIES "${CURSES}")
endif()
set(ZIG_CPP_LIB_DIR "${CMAKE_BINARY_DIR}/zigcpp")
# Handle multi-config builds and place each into a common lib. The VS generator
# for example will append a Debug folder by default if not explicitly specified.
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${ZIG_CPP_LIB_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${ZIG_CPP_LIB_DIR})
foreach(CONFIG_TYPE ${CMAKE_CONFIGURATION_TYPES})
string(TOUPPER ${CONFIG_TYPE} CONFIG_TYPE)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_TYPE} ${ZIG_CPP_LIB_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY_${CONFIG_TYPE} ${ZIG_CPP_LIB_DIR})
endforeach(CONFIG_TYPE CMAKE_CONFIGURATION_TYPES)
include_directories(${LLVM_INCLUDE_DIRS})
include_directories(${LLD_INCLUDE_DIRS})
include_directories(${CLANG_INCLUDE_DIRS})
# No patches have been applied to SoftFloat-3e
set(EMBEDDED_SOFTFLOAT_SOURCES
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/f128M_isSignalingNaN.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_commonNaNToF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_commonNaNToF16UI.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_commonNaNToF32UI.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_commonNaNToF64UI.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_f128MToCommonNaN.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_f16UIToCommonNaN.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_f32UIToCommonNaN.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_f64UIToCommonNaN.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_propagateNaNF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/s_propagateNaNF16UI.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086/softfloat_raiseFlags.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_add.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_div.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_eq.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_eq_signaling.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_le.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_le_quiet.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_lt.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_lt_quiet.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_mul.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_mulAdd.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_rem.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_roundToInt.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_sqrt.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_sub.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_f16.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_f32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_f64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_i32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_i32_r_minMag.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_i64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_i64_r_minMag.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_ui32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_ui32_r_minMag.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_ui64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f128M_to_ui64_r_minMag.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_add.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_div.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_eq.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_isSignalingNaN.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_lt.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_mul.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_rem.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_roundToInt.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_sqrt.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_sub.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_to_f128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_to_f64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f32_to_f128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f64_to_f128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f64_to_f16.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/i32_to_f128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_add256M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_addCarryM.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_addComplCarryM.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_addF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_addM.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_addMagsF16.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_addMagsF32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_addMagsF64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_approxRecip32_1.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_approxRecipSqrt32_1.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_approxRecipSqrt_1Ks.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_approxRecip_1Ks.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_compare128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_compare96M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_countLeadingZeros16.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_countLeadingZeros32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_countLeadingZeros64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_countLeadingZeros8.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_eq128.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_invalidF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_isNaNF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_le128.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_lt128.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_mul128MTo256M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_mul64To128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_mulAddF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_mulAddF16.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_mulAddF32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_mulAddF64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_negXM.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_normRoundPackMToF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_normRoundPackToF16.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_normRoundPackToF32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_normRoundPackToF64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_normSubnormalF128SigM.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_normSubnormalF16Sig.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_normSubnormalF32Sig.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_normSubnormalF64Sig.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_remStepMBy32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundMToI64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundMToUI64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundPackMToF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundPackToF16.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundPackToF32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundPackToF64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundToI32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundToI64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundToUI32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_roundToUI64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_shiftLeftM.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_shiftNormSigF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_shiftRightJam256M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_shiftRightJam32.c"
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"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_shortShiftLeft64To96M.c"
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"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_sub256M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_subM.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_subMagsF16.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_subMagsF32.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_subMagsF64.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/s_tryPropagateNaNF128M.c"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/f16_mulAdd.c"
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"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/softfloat_state.c"
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"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/ui64_to_f128M.c"
)
add_library(embedded_softfloat STATIC ${EMBEDDED_SOFTFLOAT_SOURCES})
if(MSVC)
set_target_properties(embedded_softfloat PROPERTIES
COMPILE_FLAGS "/w /O2"
)
else()
set_target_properties(embedded_softfloat PROPERTIES
COMPILE_FLAGS "-std=c99 -O3"
)
endif()
target_include_directories(embedded_softfloat PUBLIC
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e-prebuilt"
"${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/8086"
)
include_directories("${CMAKE_SOURCE_DIR}/deps/SoftFloat-3e/source/include")
set(SOFTFLOAT_LIBRARIES embedded_softfloat)
find_package(Threads)
set(ZIG_LIB_DIR "lib/zig")
set(C_HEADERS_DEST "${ZIG_LIB_DIR}/include")
set(LIBC_FILES_DEST "${ZIG_LIB_DIR}/libc")
set(LIBUNWIND_FILES_DEST "${ZIG_LIB_DIR}/libunwind")
set(LIBCXX_FILES_DEST "${ZIG_LIB_DIR}/libcxx")
set(ZIG_STD_DEST "${ZIG_LIB_DIR}/std")
set(ZIG_CONFIG_H_OUT "${CMAKE_BINARY_DIR}/config.h")
set(ZIG_CONFIG_ZIG_OUT "${CMAKE_BINARY_DIR}/config.zig")
# This is our shim which will be replaced by stage1.zig.
set(ZIG0_SOURCES
"${CMAKE_SOURCE_DIR}/src/stage1/zig0.cpp"
)
set(STAGE1_SOURCES
"${CMAKE_SOURCE_DIR}/src/stage1/analyze.cpp"
"${CMAKE_SOURCE_DIR}/src/stage1/astgen.cpp"
"${CMAKE_SOURCE_DIR}/src/stage1/bigfloat.cpp"
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"${CMAKE_SOURCE_DIR}/src/stage1/range_set.cpp"
"${CMAKE_SOURCE_DIR}/src/stage1/softfloat_ext.cpp"
"${CMAKE_SOURCE_DIR}/src/stage1/stage1.cpp"
"${CMAKE_SOURCE_DIR}/src/stage1/target.cpp"
"${CMAKE_SOURCE_DIR}/src/stage1/tokenizer.cpp"
"${CMAKE_SOURCE_DIR}/src/stage1/util.cpp"
)
set(OPTIMIZED_C_SOURCES
"${CMAKE_SOURCE_DIR}/src/stage1/parse_f128.c"
)
set(ZIG_CPP_SOURCES
# These are planned to stay even when we are self-hosted.
"${CMAKE_SOURCE_DIR}/src/zig_llvm.cpp"
"${CMAKE_SOURCE_DIR}/src/zig_llvm-ar.cpp"
"${CMAKE_SOURCE_DIR}/src/zig_clang.cpp"
"${CMAKE_SOURCE_DIR}/src/zig_clang_driver.cpp"
"${CMAKE_SOURCE_DIR}/src/zig_clang_cc1_main.cpp"
"${CMAKE_SOURCE_DIR}/src/zig_clang_cc1as_main.cpp"
# https://github.com/ziglang/zig/issues/6363
"${CMAKE_SOURCE_DIR}/src/windows_sdk.cpp"
)
# Needed because we use cmake, not the zig build system, to build zig1.o.
# This list is generated by building zig and then clearing the zig-cache directory,
# then manually running the build-obj command (see BUILD_ZIG1_ARGS), and then looking
# in the zig-cache directory for the compiler-generated list of zig file dependencies.
set(ZIG_STAGE2_SOURCES
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"${CMAKE_SOURCE_DIR}/lib/std/coff.zig"
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"${CMAKE_SOURCE_DIR}/lib/std/elf.zig"
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"${CMAKE_SOURCE_DIR}/lib/std/event/loop.zig"
"${CMAKE_SOURCE_DIR}/lib/std/fifo.zig"
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"${CMAKE_SOURCE_DIR}/lib/std/fmt/errol.zig"
"${CMAKE_SOURCE_DIR}/lib/std/fmt/errol/enum3.zig"
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"${CMAKE_SOURCE_DIR}/lib/std/fs.zig"
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if(MSVC)
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if(IS_DIRECTORY ${MSVC_DIA_SDK_DIR})
set(ZIG_DIA_GUIDS_LIB "${MSVC_DIA_SDK_DIR}/lib/amd64/diaguids.lib")
string(REGEX REPLACE "\\\\" "\\\\\\\\" ZIG_DIA_GUIDS_LIB_ESCAPED "${ZIG_DIA_GUIDS_LIB}")
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endif()
if(ZIG_OMIT_STAGE2)
set(ZIG_OMIT_STAGE2_BOOL "true")
else()
set(ZIG_OMIT_STAGE2_BOOL "false")
endif()
if(ZIG_ENABLE_LOGGING)
set(ZIG_ENABLE_LOGGING_BOOL "true")
else()
set(ZIG_ENABLE_LOGGING_BOOL "false")
endif()
configure_file (
"${CMAKE_SOURCE_DIR}/src/stage1/config.h.in"
"${ZIG_CONFIG_H_OUT}"
)
configure_file (
"${CMAKE_SOURCE_DIR}/src/config.zig.in"
"${ZIG_CONFIG_ZIG_OUT}"
)
include_directories(
${CMAKE_SOURCE_DIR}
${CMAKE_BINARY_DIR}
"${CMAKE_SOURCE_DIR}/src"
"${CMAKE_SOURCE_DIR}/src/stage1"
)
# These have to go before the -Wno- flags
if(MSVC)
set(EXE_CFLAGS "/std:c++14")
else(MSVC)
set(EXE_CFLAGS "-std=c++14")
endif(MSVC)
if(ZIG_STATIC)
set(EXE_CFLAGS "${EXE_CFLAGS} -DZIG_LINK_MODE=Static")
else()
set(EXE_CFLAGS "${EXE_CFLAGS} -DZIG_LINK_MODE=Dynamic")
endif()
if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
if(MSVC)
set(EXE_CFLAGS "${EXE_CFLAGS} /w")
else()
set(EXE_CFLAGS "${EXE_CFLAGS} -Werror -Wall")
# fallthrough support was added in GCC 7.0
if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 7.0)
set(EXE_CFLAGS "${EXE_CFLAGS} -Werror=implicit-fallthrough")
endif()
# GCC 9.2 and older are unable to detect valid variable initialization in some cases
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS_EQUAL 9.2)
set(EXE_CFLAGS "${EXE_CFLAGS} -Wno-maybe-uninitialized")
endif()
endif()
endif()
if(MSVC)
set(EXE_CFLAGS "${EXE_CFLAGS}")
else()
set(EXE_CFLAGS "${EXE_CFLAGS} -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D_GNU_SOURCE -fvisibility-inlines-hidden -fno-exceptions -fno-rtti -Werror=type-limits -Wno-missing-braces -Wno-comment")
if(MINGW)
set(EXE_CFLAGS "${EXE_CFLAGS} -Wno-format")
endif()
endif()
if(MSVC)
set(OPTIMIZED_C_FLAGS "/O2")
else(MSVC)
set(OPTIMIZED_C_FLAGS "-std=c99 -O3")
endif(MSVC)
set(EXE_LDFLAGS " ")
if(MSVC)
set(EXE_LDFLAGS "${EXE_LDFLAGS} /STACK:16777216")
if(NOT "${CMAKE_BUILD_TYPE}" STREQUAL "Release" AND NOT "${CMAKE_BUILD_TYPE}" STREQUAL "MinSizeRel")
set(EXE_LDFLAGS "${EXE_LDFLAGS} /debug:fastlink")
endif()
elseif(MINGW)
set(EXE_LDFLAGS "${EXE_LDFLAGS} -Wl,--stack,16777216")
endif()
if(ZIG_STATIC)
if(APPLE)
set(EXE_LDFLAGS "${EXE_LDFLAGS} -static-libgcc -static-libstdc++")
elseif(MINGW)
set(EXE_LDFLAGS "${EXE_LDFLAGS} -static-libgcc -static-libstdc++ -Wl,-Bstatic, -lwinpthread -lz3 -lz -lgomp")
elseif(NOT MSVC)
set(EXE_LDFLAGS "${EXE_LDFLAGS} -static")
endif()
else()
if(MINGW)
set(EXE_LDFLAGS "${EXE_LDFLAGS}")
endif()
endif()
if(ZIG_TEST_COVERAGE)
set(EXE_CFLAGS "${EXE_CFLAGS} -fprofile-arcs -ftest-coverage")
set(EXE_LDFLAGS "${EXE_LDFLAGS} -fprofile-arcs -ftest-coverage")
endif()
add_library(zigcpp STATIC ${ZIG_CPP_SOURCES})
set_target_properties(zigcpp PROPERTIES
COMPILE_FLAGS ${EXE_CFLAGS}
)
target_link_libraries(zigcpp LINK_PUBLIC
${CLANG_LIBRARIES}
${LLD_LIBRARIES}
${LLVM_LIBRARIES}
${CMAKE_THREAD_LIBS_INIT}
)
add_library(opt_c_util STATIC ${OPTIMIZED_C_SOURCES})
set_target_properties(opt_c_util PROPERTIES
COMPILE_FLAGS "${OPTIMIZED_C_FLAGS}"
)
add_library(zigstage1 STATIC ${STAGE1_SOURCES})
set_target_properties(zigstage1 PROPERTIES
COMPILE_FLAGS ${EXE_CFLAGS}
LINK_FLAGS ${EXE_LDFLAGS}
)
target_link_libraries(zigstage1 LINK_PUBLIC
opt_c_util
${SOFTFLOAT_LIBRARIES}
zigcpp
)
if(NOT MSVC)
target_link_libraries(zigstage1 LINK_PUBLIC ${LIBXML2})
endif()
if(ZIG_DIA_GUIDS_LIB)
target_link_libraries(zigstage1 LINK_PUBLIC ${ZIG_DIA_GUIDS_LIB})
endif()
if(MSVC OR MINGW)
target_link_libraries(zigstage1 LINK_PUBLIC version)
endif()
if("${ZIG_EXECUTABLE}" STREQUAL "")
add_executable(zig0 ${ZIG0_SOURCES})
set_target_properties(zig0 PROPERTIES
COMPILE_FLAGS ${EXE_CFLAGS}
LINK_FLAGS ${EXE_LDFLAGS}
)
target_link_libraries(zig0 zigstage1)
endif()
if(MSVC)
set(ZIG1_OBJECT "${CMAKE_BINARY_DIR}/zig1.obj")
else()
set(ZIG1_OBJECT "${CMAKE_BINARY_DIR}/zig1.o")
endif()
if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
set(ZIG1_RELEASE_ARG "")
else()
set(ZIG1_RELEASE_ARG -OReleaseFast --strip)
endif()
if(ZIG_SINGLE_THREADED)
set(ZIG1_SINGLE_THREADED_ARG "--single-threaded")
else()
set(ZIG1_SINGLE_THREADED_ARG "")
endif()
set(BUILD_ZIG1_ARGS
"src/stage1.zig"
-target "${ZIG_TARGET_TRIPLE}"
"-mcpu=${ZIG_TARGET_MCPU}"
--name zig1
--override-lib-dir "${CMAKE_SOURCE_DIR}/lib"
"-femit-bin=${ZIG1_OBJECT}"
"${ZIG1_RELEASE_ARG}"
"${ZIG1_SINGLE_THREADED_ARG}"
-lc
--pkg-begin build_options "${ZIG_CONFIG_ZIG_OUT}"
--pkg-end
--pkg-begin compiler_rt "${CMAKE_SOURCE_DIR}/lib/std/special/compiler_rt.zig"
--pkg-end
)
if("${ZIG_EXECUTABLE}" STREQUAL "")
add_custom_command(
OUTPUT "${ZIG1_OBJECT}"
COMMAND zig0 ${BUILD_ZIG1_ARGS}
DEPENDS zig0 "${ZIG_STAGE2_SOURCES}"
COMMENT STATUS "Building self-hosted component ${ZIG1_OBJECT}"
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
)
set(ZIG_EXECUTABLE "${zig_BINARY_DIR}/zig")
if (WIN32)
set(ZIG_EXECUTABLE "${ZIG_EXECUTABLE}.exe")
endif()
else()
add_custom_command(
OUTPUT "${ZIG1_OBJECT}"
COMMAND "${ZIG_EXECUTABLE}" "build-obj" ${BUILD_ZIG1_ARGS}
DEPENDS ${ZIG_STAGE2_SOURCES}
COMMENT STATUS "Building self-hosted component ${ZIG1_OBJECT}"
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
)
endif()
# cmake won't let us configure an executable without C sources.
add_executable(zig "${CMAKE_SOURCE_DIR}/src/stage1/empty.cpp" "${ZIG1_OBJECT}")
set_target_properties(zig PROPERTIES
COMPILE_FLAGS ${EXE_CFLAGS}
LINK_FLAGS ${EXE_LDFLAGS}
)
target_link_libraries(zig zigstage1)
if(MSVC)
target_link_libraries(zig ntdll.lib)
elseif(MINGW)
target_link_libraries(zig ntdll)
endif()
install(TARGETS zig DESTINATION bin)
set(ZIG_SKIP_INSTALL_LIB_FILES off CACHE BOOL
"Disable copying lib/ files to install prefix during the build phase")
if(NOT ZIG_SKIP_INSTALL_LIB_FILES)
set(ZIG_INSTALL_ARGS "build"
--override-lib-dir "${CMAKE_SOURCE_DIR}/lib"
"-Dlib-files-only"
--prefix "${CMAKE_INSTALL_PREFIX}"
"-Dconfig_h=${ZIG_CONFIG_H_OUT}"
install
)
# CODE has no effect with Visual Studio build system generator, therefore
# when using Visual Studio build system generator we resort to running
# `zig build install` during the build phase.
if(MSVC)
add_custom_target(zig_install_lib_files ALL
COMMAND zig ${ZIG_INSTALL_ARGS}
DEPENDS zig
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
)
else()
get_target_property(zig_BINARY_DIR zig BINARY_DIR)
install(CODE "set(zig_EXE \"${ZIG_EXECUTABLE}\")")
install(CODE "set(ZIG_INSTALL_ARGS \"${ZIG_INSTALL_ARGS}\")")
install(CODE "set(CMAKE_SOURCE_DIR \"${CMAKE_SOURCE_DIR}\")")
install(SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/cmake/install.cmake)
endif()
endif()