pcsx2/cmake/Pcsx2Utils.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)
# nothing detected yet
set(MacOSX FALSE PARENT_SCOPE)
set(Windows FALSE PARENT_SCOPE)
set(Linux FALSE PARENT_SCOPE)
set(Fedora FALSE PARENT_SCOPE)
# check if we are on Linux
if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
set(Linux TRUE PARENT_SCOPE)
if (EXISTS /etc/os-release)
# Read the file without CR character
file(STRINGS /etc/os-release OS_RELEASE)
if ("${OS_RELEASE}" MATCHES "^.*ID=fedora.*$")
set(Fedora TRUE PARENT_SCOPE)
endif()
endif()
endif(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
# check if we are on MacOSX
if(APPLE)
set(MacOSX TRUE PARENT_SCOPE)
endif(APPLE)
# check if we are on Windows
if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
set(Windows TRUE PARENT_SCOPE)
endif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
endfunction(detectOperatingSystem)
function(write_svnrev_h)
# you must have both svn client executable and a source that contains svn metadata
if(Subversion_FOUND AND EXISTS "${CMAKE_SOURCE_DIR}/.svn")
# execute subversion
Subversion_WC_INFO(${CMAKE_SOURCE_DIR} tmpvar)
# write svnrev.h
file(WRITE ${CMAKE_BINARY_DIR}/common/include/svnrev.h "#define SVN_REV ${tmpvar_WC_REVISION} \n#define SVN_MODS 0")
else()
# write svnrev.h
file(WRITE ${CMAKE_BINARY_DIR}/common/include/svnrev.h "#define SVN_REV 0 \n#define SVN_MODS 0")
endif()
endfunction()
function(check_compiler_version version_warn version_err)
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
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 version is ${version_err} but ${version_warn} is warmly recommended")
else()
if(GCC_VERSION VERSION_LESS ${version_warn})
message(WARNING "PCSX2 will stop to support GCC ${GCC_VERSION} in a near future. Please upgrade it to GCC ${version_warn}.")
endif()
endif()
endif()
endfunction()