mirror of
https://github.com/Detanup01/gbe_fork.git
synced 2024-11-28 13:44:02 +08:00
197 lines
8.4 KiB
CMake
197 lines
8.4 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
# file Copyright.txt or https://cmake.org/licensing for details.
|
|
|
|
|
|
# This module is shared by multiple languages; use include blocker.
|
|
if(__COMPILER_GNU)
|
|
return()
|
|
endif()
|
|
set(__COMPILER_GNU 1)
|
|
|
|
include(Compiler/CMakeCommonCompilerMacros)
|
|
|
|
set(__pch_header_C "c-header")
|
|
set(__pch_header_CXX "c++-header")
|
|
set(__pch_header_OBJC "objective-c-header")
|
|
set(__pch_header_OBJCXX "objective-c++-header")
|
|
|
|
macro(__compiler_gnu lang)
|
|
# Feature flags.
|
|
set(CMAKE_${lang}_VERBOSE_FLAG "-v")
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_WARNING_AS_ERROR "-Werror")
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-fPIC")
|
|
set (_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER NO)
|
|
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 3.4)
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
|
|
# Support of PIE at link stage depends on various elements : platform, compiler, linker
|
|
# so to activate it, module CheckPIESupported must be used.
|
|
set (_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER YES)
|
|
set(CMAKE_${lang}_LINK_OPTIONS_PIE ${CMAKE_${lang}_COMPILE_OPTIONS_PIE} "-pie")
|
|
set(CMAKE_${lang}_LINK_OPTIONS_NO_PIE "-no-pie")
|
|
endif()
|
|
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4.0)
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
|
|
endif()
|
|
set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-fPIC")
|
|
set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared")
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_SYSROOT "--sysroot=")
|
|
|
|
set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Wl,")
|
|
set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP ",")
|
|
|
|
# Older versions of gcc (< 4.5) contain a bug causing them to report a missing
|
|
# header file as a warning if depfiles are enabled, causing check_header_file
|
|
# tests to always succeed. Work around this by disabling dependency tracking
|
|
# in try_compile mode.
|
|
get_property(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE)
|
|
if(CMAKE_${lang}_COMPILER_ID STREQUAL "GNU" AND _IN_TC AND NOT CMAKE_FORCE_DEPFILES)
|
|
else()
|
|
# distcc does not transform -o to -MT when invoking the preprocessor
|
|
# internally, as it ought to. Work around this bug by setting -MT here
|
|
# even though it isn't strictly necessary.
|
|
set(CMAKE_DEPFILE_FLAGS_${lang} "-MD -MT <DEP_TARGET> -MF <DEP_FILE>")
|
|
endif()
|
|
|
|
# define flags for linker depfile generation
|
|
set(CMAKE_${lang}_LINKER_DEPFILE_FLAGS "LINKER:--dependency-file,<DEP_FILE>")
|
|
set(CMAKE_${lang}_LINKER_DEPFILE_FORMAT gcc)
|
|
|
|
if(NOT DEFINED CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED)
|
|
## Ensure ninja tool is recent enough...
|
|
if(CMAKE_GENERATOR MATCHES "^Ninja")
|
|
# Ninja 1.10 or upper is required
|
|
execute_process(COMMAND "${CMAKE_MAKE_PROGRAM}" --version
|
|
OUTPUT_VARIABLE _ninja_version
|
|
ERROR_VARIABLE _ninja_version)
|
|
if (_ninja_version MATCHES "[0-9]+(\\.[0-9]+)*")
|
|
set (_ninja_version "${CMAKE_MATCH_0}")
|
|
endif()
|
|
if (_ninja_version VERSION_LESS "1.10")
|
|
set(CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED FALSE)
|
|
endif()
|
|
unset(_ninja_version)
|
|
endif()
|
|
|
|
if (NOT DEFINED CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED)
|
|
## check if this feature is supported by the linker
|
|
execute_process(COMMAND "${CMAKE_${lang}_COMPILER}" -Wl,--help
|
|
OUTPUT_VARIABLE _linker_capabilities
|
|
ERROR_VARIABLE _linker_capabilities)
|
|
if(_linker_capabilities MATCHES "--dependency-file")
|
|
set(CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED TRUE)
|
|
else()
|
|
set(CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED FALSE)
|
|
endif()
|
|
unset(_linker_capabilities)
|
|
endif()
|
|
endif()
|
|
if (CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED)
|
|
set(CMAKE_${lang}_LINK_DEPENDS_USE_LINKER TRUE)
|
|
else()
|
|
unset(CMAKE_${lang}_LINK_DEPENDS_USE_LINKER)
|
|
endif()
|
|
|
|
# For now, due to GNU binutils ld bug when LTO is enabled (see GNU bug
|
|
# `30568 <https://sourceware.org/bugzilla/show_bug.cgi?id=30568>`_),
|
|
# deactivate this feature.
|
|
if (NOT DEFINED CMAKE_LINK_DEPENDS_USE_LINKER)
|
|
set(CMAKE_LINK_DEPENDS_USE_LINKER FALSE)
|
|
endif()
|
|
|
|
# Initial configuration flags.
|
|
string(APPEND CMAKE_${lang}_FLAGS_INIT " ")
|
|
string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT " -g")
|
|
string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT " -Os -DNDEBUG")
|
|
string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT " -O3 -DNDEBUG")
|
|
string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -O2 -g -DNDEBUG")
|
|
set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
|
|
set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
|
|
if(NOT APPLE OR NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4) # work around #4462
|
|
set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
|
|
endif()
|
|
|
|
set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
|
|
set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
|
|
|
|
# '-flto' introduced since GCC 4.5:
|
|
# * https://gcc.gnu.org/onlinedocs/gcc-4.4.7/gcc/Option-Summary.html (no)
|
|
# * https://gcc.gnu.org/onlinedocs/gcc-4.5.4/gcc/Option-Summary.html (yes)
|
|
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4.5)
|
|
set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
|
|
|
|
set(__lto_flags "")
|
|
|
|
# '-flto=auto' introduced since GCC 10.1:
|
|
# * https://gcc.gnu.org/onlinedocs/gcc-9.5.0/gcc/Optimize-Options.html#Optimize-Options (no)
|
|
# * https://gcc.gnu.org/onlinedocs/gcc-10.1.0/gcc/Optimize-Options.html#Optimize-Options (yes)
|
|
# Since GCC 12.1, the abundance of a parameter produces a warning if compiling multiple targets.
|
|
# FIXME: What version of GCC for Windows added support for -flto=auto? 10.3 does not have it.
|
|
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 11.0)
|
|
list(APPEND __lto_flags -flto=auto)
|
|
elseif(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 10.1)
|
|
if (CMAKE_HOST_WIN32)
|
|
list(APPEND __lto_flags -flto=1)
|
|
else()
|
|
list(APPEND __lto_flags -flto=auto)
|
|
endif()
|
|
else()
|
|
list(APPEND __lto_flags -flto)
|
|
endif()
|
|
|
|
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4.7)
|
|
# '-ffat-lto-objects' introduced since GCC 4.7:
|
|
# * https://gcc.gnu.org/onlinedocs/gcc-4.6.4/gcc/Option-Summary.html (no)
|
|
# * https://gcc.gnu.org/onlinedocs/gcc-4.7.4/gcc/Option-Summary.html (yes)
|
|
list(APPEND __lto_flags -fno-fat-lto-objects)
|
|
endif()
|
|
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_IPO ${__lto_flags})
|
|
|
|
# Need to use version of 'ar'/'ranlib' with plugin support.
|
|
# Quote from [documentation][1]:
|
|
#
|
|
# To create static libraries suitable for LTO,
|
|
# use gcc-ar and gcc-ranlib instead of ar and ranlib
|
|
#
|
|
# [1]: https://gcc.gnu.org/onlinedocs/gcc-4.9.4/gcc/Optimize-Options.html
|
|
set(CMAKE_${lang}_ARCHIVE_CREATE_IPO
|
|
"\"${CMAKE_${lang}_COMPILER_AR}\" cr <TARGET> <LINK_FLAGS> <OBJECTS>"
|
|
)
|
|
|
|
set(CMAKE_${lang}_ARCHIVE_APPEND_IPO
|
|
"\"${CMAKE_${lang}_COMPILER_AR}\" r <TARGET> <LINK_FLAGS> <OBJECTS>"
|
|
)
|
|
|
|
set(CMAKE_${lang}_ARCHIVE_FINISH_IPO
|
|
"\"${CMAKE_${lang}_COMPILER_RANLIB}\" <TARGET>"
|
|
)
|
|
endif()
|
|
|
|
if("${lang}" STREQUAL "CXX")
|
|
set(CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "${CMAKE_${lang}_COMPILER}")
|
|
if(CMAKE_${lang}_COMPILER_ARG1)
|
|
separate_arguments(_COMPILER_ARGS NATIVE_COMMAND "${CMAKE_${lang}_COMPILER_ARG1}")
|
|
list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND ${_COMPILER_ARGS})
|
|
unset(_COMPILER_ARGS)
|
|
endif()
|
|
list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-dM" "-E" "-c" "${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp")
|
|
endif()
|
|
|
|
if(NOT "x${lang}" STREQUAL "xFortran")
|
|
set(CMAKE_PCH_EXTENSION .gch)
|
|
if (NOT CMAKE_GENERATOR MATCHES "Xcode")
|
|
set(CMAKE_PCH_PROLOGUE "#pragma GCC system_header")
|
|
endif()
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_INVALID_PCH -Winvalid-pch)
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -include <PCH_HEADER>)
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -x ${__pch_header_${lang}} -include <PCH_HEADER>)
|
|
endif()
|
|
|
|
# '-fdiagnostics-color=always' introduced since GCC 4.9
|
|
# https://gcc.gnu.org/gcc-4.9/changes.html
|
|
if(CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 4.9)
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS "-fdiagnostics-color=always")
|
|
set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS_OFF "-fno-diagnostics-color")
|
|
endif()
|
|
endmacro()
|