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pcsx2/cmake/Pcsx2Utils.cmake

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CMake
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#-------------------------------------------------------------------------------
# detectOperatingSystem
#-------------------------------------------------------------------------------
# This function detects on which OS cmake is run and set a flag to control the
# build process. Supported OS: Linux, MacOSX, Windows
#
# On linux, it also set a flag for specific distribution (ie Fedora)
#-------------------------------------------------------------------------------
function(detectOperatingSystem)
if(WIN32)
set(Windows TRUE PARENT_SCOPE)
elseif(UNIX AND APPLE)
# No easy way to filter out iOS.
message(WARNING "OS X/iOS isn't supported, the build will most likely fail")
set(MacOSX TRUE PARENT_SCOPE)
elseif(UNIX)
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
set(Linux TRUE PARENT_SCOPE)
if (EXISTS /etc/os-release)
# Read the file without CR character
file(STRINGS /etc/os-release OS_RELEASE)
if("${OS_RELEASE}" MATCHES "^.*ID=fedora.*$")
set(Fedora TRUE PARENT_SCOPE)
message(STATUS "Build Fedora specific")
elseif("${OS_RELEASE}" MATCHES "^.*ID=.*suse.*$")
set(openSUSE TRUE PARENT_SCOPE)
message(STATUS "Build openSUSE specific")
endif()
endif()
elseif(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD")
set(kFreeBSD TRUE PARENT_SCOPE)
elseif(CMAKE_SYSTEM_NAME STREQUAL "GNU")
set(GNU TRUE PARENT_SCOPE)
endif()
endif()
endfunction()
function(get_git_version_info)
set(PCSX2_WC_TIME 0)
set(PCSX2_GIT_REV "")
if (GIT_FOUND AND EXISTS ${PROJECT_SOURCE_DIR}/.git)
EXECUTE_PROCESS(WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} COMMAND ${GIT_EXECUTABLE} show -s --format=%ci HEAD
OUTPUT_VARIABLE PCSX2_WC_TIME
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Output: "YYYY-MM-DD HH:MM:SS +HHMM" (last part is time zone, offset from UTC)
string(REGEX REPLACE "[%:\\-]" "" PCSX2_WC_TIME "${PCSX2_WC_TIME}")
string(REGEX REPLACE "([0-9]+) ([0-9]+).*" "\\1\\2" PCSX2_WC_TIME "${PCSX2_WC_TIME}")
EXECUTE_PROCESS(WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} COMMAND ${GIT_EXECUTABLE} describe --always
OUTPUT_VARIABLE PCSX2_GIT_REV
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
if(PCSX2_GIT_REV)
set(PCSX2_VERSION_LONG "${PCSX2_GIT_REV}")
string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?(-[a-z][a-z0-9]+)?" PCSX2_VERSION_SHORT "${PCSX2_VERSION_LONG}")
else()
set(PCSX2_VERSION_LONG "Unknown (git unavailable)")
set(PCSX2_VERSION_SHORT "Unknown")
endif()
if ("${PCSX2_WC_TIME}" STREQUAL "")
set(PCSX2_WC_TIME 0)
endif()
set(PCSX2_WC_TIME "${PCSX2_WC_TIME}" PARENT_SCOPE)
set(PCSX2_GIT_REV "${PCSX2_GIT_REV}" PARENT_SCOPE)
set(PCSX2_VERSION_LONG "${PCSX2_VERSION_LONG}" PARENT_SCOPE)
set(PCSX2_VERSION_SHORT "${PCSX2_VERSION_SHORT}" PARENT_SCOPE)
endfunction()
function(write_svnrev_h)
file(WRITE ${CMAKE_BINARY_DIR}/common/include/svnrev.h "#define SVN_REV ${PCSX2_WC_TIME}ll \n#define SVN_MODS 0\n#define GIT_REV \"${PCSX2_GIT_REV}\"")
endfunction()
function(check_compiler_version version_warn version_err)
if(CMAKE_COMPILER_IS_GNUCXX)
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
string(STRIP "${GCC_VERSION}" GCC_VERSION)
if(GCC_VERSION VERSION_LESS ${version_err})
message(FATAL_ERROR "PCSX2 doesn't support your old GCC ${GCC_VERSION}! Please upgrade it!
The minimum supported version is ${version_err} but ${version_warn} is warmly recommended")
else()
if(GCC_VERSION VERSION_LESS ${version_warn})
message(WARNING "PCSX2 will stop supporting GCC ${GCC_VERSION} in the near future. Please upgrade to at least GCC ${version_warn}.")
endif()
endif()
set(GCC_VERSION "${GCC_VERSION}" PARENT_SCOPE)
endif()
endfunction()
function(check_no_parenthesis_in_path)
if ("${CMAKE_BINARY_DIR}" MATCHES "[()]" OR "${CMAKE_SOURCE_DIR}" MATCHES "[()]")
message(FATAL_ERROR "Your path contains some parenthesis. Unfortunately Cmake doesn't support them correctly.\nPlease rename your directory to avoid '(' and ')' characters\n")
endif()
endfunction()
# Makes an imported target if it doesn't exist. Useful for when find scripts from older versions of cmake don't make the targets you need
function(make_imported_target_if_missing target lib)
if(${lib}_FOUND AND NOT TARGET ${target})
add_library(_${lib} INTERFACE)
target_link_libraries(_${lib} INTERFACE "${${lib}_LIBRARIES}")
target_include_directories(_${lib} INTERFACE "${${lib}_INCLUDE_DIRS}")
add_library(${target} ALIAS _${lib})
endif()
endfunction()
# like add_library(new ALIAS old) but avoids add_library cannot create ALIAS target "new" because target "old" is imported but not globally visible. on older cmake
function(alias_library new old)
string(REPLACE "::" "" library_no_namespace ${old})
add_library(_alias_${library_no_namespace} INTERFACE)
target_link_libraries(_alias_${library_no_namespace} INTERFACE ${old})
add_library(${new} ALIAS _alias_${library_no_namespace})
endfunction()
#NOTE: this macro is used to get rid of whitespace and newlines.
macro(append_flags target flags)
if(flags STREQUAL "")
set(flags " ") # set to space to avoid error
endif()
get_target_property(TEMP ${target} COMPILE_FLAGS)
if(TEMP STREQUAL "TEMP-NOTFOUND")
set(TEMP "") # set to empty string
else()
set(TEMP "${TEMP} ") # a space to cleanly separate from existing content
endif()
# append our values
set(TEMP "${TEMP}${flags}")
# fix arg list
set(TEMP2 "")
foreach(_arg ${TEMP})
set(TEMP2 "${TEMP2} ${_arg}")
endforeach()
set_target_properties(${target} PROPERTIES COMPILE_FLAGS "${TEMP2}")
endmacro(append_flags)
macro(add_pcsx2_plugin lib srcs libs flags)
include_directories(.)
add_library(${lib} MODULE ${srcs})
target_link_libraries(${lib} ${libs})
append_flags(${lib} "${flags}")
if(NOT USER_CMAKE_LD_FLAGS STREQUAL "")
target_link_libraries(${lib} "${USER_CMAKE_LD_FLAGS}")
endif(NOT USER_CMAKE_LD_FLAGS STREQUAL "")
if(PACKAGE_MODE)
install(TARGETS ${lib} DESTINATION ${CMAKE_INSTALL_LIBDIR}/PCSX2)
else(PACKAGE_MODE)
install(TARGETS ${lib} DESTINATION ${CMAKE_SOURCE_DIR}/bin/plugins)
endif(PACKAGE_MODE)
if (APPLE)
# Output to app bundle
set_target_properties(${lib} PROPERTIES LIBRARY_OUTPUT_DIRECTORY "$<TARGET_FILE_DIR:PCSX2>/plugins")
add_dependencies(pcsx2-postprocess-bundle ${lib})
endif()
endmacro(add_pcsx2_plugin)
macro(add_pcsx2_lib lib srcs libs flags)
include_directories(.)
add_library(${lib} STATIC ${srcs})
target_link_libraries(${lib} ${libs})
append_flags(${lib} "${flags}")
if(NOT USER_CMAKE_LD_FLAGS STREQUAL "")
target_link_libraries(${lib} "${USER_CMAKE_LD_FLAGS}")
endif(NOT USER_CMAKE_LD_FLAGS STREQUAL "")
endmacro(add_pcsx2_lib)
macro(add_pcsx2_executable exe srcs libs flags)
add_definitions(${flags})
include_directories(.)
add_executable(${exe} ${srcs})
target_link_libraries(${exe} ${libs})
append_flags(${exe} "${flags}")
if(NOT USER_CMAKE_LD_FLAGS STREQUAL "")
target_link_libraries(${exe} "${USER_CMAKE_LD_FLAGS}")
endif(NOT USER_CMAKE_LD_FLAGS STREQUAL "")
if(PACKAGE_MODE)
install(TARGETS ${exe} DESTINATION ${CMAKE_INSTALL_BINDIR})
else(PACKAGE_MODE)
install(TARGETS ${exe} DESTINATION ${CMAKE_SOURCE_DIR}/bin)
endif(PACKAGE_MODE)
endmacro(add_pcsx2_executable)
# Helper macro to generate resources on linux (based on glib)
macro(add_custom_glib_res out xml prefix)
set(RESOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/res")
set(RESOURCE_FILES "${ARGN}")
# Note: trying to combine --generate-source and --generate-header doesn't work.
# It outputs whichever one comes last into the file named by the first
add_custom_command(
OUTPUT ${out}.h
COMMAND glib-compile-resources --sourcedir "${RESOURCE_DIR}" --generate-header
--c-name ${prefix} "${RESOURCE_DIR}/${xml}" --target=${out}.h
DEPENDS res/${xml} ${RESOURCE_FILES})
add_custom_command(
OUTPUT ${out}.cpp
COMMAND glib-compile-resources --sourcedir "${RESOURCE_DIR}" --generate-source
--c-name ${prefix} "${RESOURCE_DIR}/${xml}" --target=${out}.cpp
DEPENDS res/${xml} ${RESOURCE_FILES})
endmacro()
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