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# This file is part of the Spring engine (GPL v2 or later), see LICENSE.html
#
# Spring CMake utilities
# ----------------------
#
# Variables set in this file:
# * PATH_SEP_H
# * PATH_SEP_T
# * PATH_DELIM_H
# * PATH_DELIM_T
# * ABS_DIR_REGEX_H
# * ABS_DIR_REGEX_T
# * PIC_FLAG
#
# Functions and macros defined in this file:
# * FixLibName
# * CreateInstallTarget
# * RemoveString
# * RemoveFlag
# * SetGlobal
# * MakeGlobal
# * GetListOfSubModules
# * GetVersionFromFile
# * GetLastPathPart
# * MakeAbsolute
# * GetVersionPlusDepFile
# * GetNativeSourcesRecursive
# * CheckMinCMakeVersion
#
If (CMAKE_HOST_WIN32)
Set(PATH_SEP_H "\\")
Set(PATH_DELIM_H ";")
Set(ABS_DIR_REGEX_H "^[a-zA-Z]:\\")
Else (CMAKE_HOST_WIN32)
Set(PATH_SEP_H "/")
Set(PATH_DELIM_H ":")
Set(ABS_DIR_REGEX_H "^/")
EndIf (CMAKE_HOST_WIN32)
If (WIN32)
Set(PATH_SEP_T "\\")
Set(PATH_DELIM_T ";")
Set(ABS_DIR_REGEX_T "^[a-zA-Z]:\\")
Else (WIN32)
Set(PATH_SEP_T "/")
Set(PATH_DELIM_T ":")
Set(ABS_DIR_REGEX_T "^/")
EndIf (WIN32)
# define the fPic compiler flag
If (APPLE)
Set(PIC_FLAG "-fPIC")
ElseIf (MINGW)
Set(PIC_FLAG "")
Else ()
Set(PIC_FLAG "-fpic")
EndIf ()
# This is needed because CMake, or at least some versions of it (eg. 2.8),
# falsely use the ".so" suffix under Mac OS X for MODULE's
Macro (FixLibName targetName)
If (UNIX)
Set_TARGET_PROPERTIES(${targetName} PROPERTIES PREFIX "lib")
If (APPLE)
Set_TARGET_PROPERTIES(${targetName} PROPERTIES SUFFIX ".dylib")
EndIf (APPLE)
EndIf (UNIX)
EndMacro (FixLibName targetName)
# Create an install target which installs multiple sub-projects.
# Sub-projects have to be specified by paths relative to CMAKE_SOURCE_DIR.
# All install instructions in the specified dirs (recursively) are executed.
# example:
# Set(myInstallDirs
# "rts/builds/default"
# "tools/unitsync"
# "cont"
# "AI"
# )
# Set(myInstallDeps
# spring
# gamedata
# unitsync
# C-AIInterface
# NullAI
# KAIK
# ArchiveMover
# )
# CreateInstallTarget(myPkg myInstallDeps myInstallDirs)
# This creates a new target "install-myPkg"
Macro (CreateInstallTarget targetName var_list_depends var_list_instDirs)
# Assemble the list of commands
Set(installCmds "")
ForEach (instDir ${${var_list_instDirs}})
If (NOT EXISTS "${CMAKE_SOURCE_DIR}/${instDir}/CMakeLists.txt")
Message(FATAL_ERROR "Not a valid dir for installer target: ${instDir}, \"${CMAKE_SOURCE_DIR}/${instDir}/CMakeLists.txt\" does not exist.")
EndIf (NOT EXISTS "${CMAKE_SOURCE_DIR}/${instDir}/CMakeLists.txt")
Set(installCmds ${installCmds}
COMMAND "${CMAKE_COMMAND}"
"-P" "${CMAKE_BINARY_DIR}/${instDir}/cmake_install.cmake"
# NOTE: The following does not work in CMake 2.6.4
#"-DCMAKE_INSTALL_COMPONENT=${targetName}"
)
EndForEach (instDir)
# Make sure we do have commands at all
If ("${installCmds}" STREQUAL "")
Message(FATAL_ERROR "No valid install dirs supplied.")
EndIf ("${installCmds}" STREQUAL "")
# Create a custom install target
Add_Custom_Target(install-${targetName}
${installCmds}
WORKING_DIRECTORY
"${CMAKE_BINARY_DIR}"
COMMENT
" ${targetName}: Installing ..." VERBATIM
)
# This also works for custom targets
Add_Dependencies(install-${targetName} ${${var_list_depends}})
EndMacro (CreateInstallTarget targetName)
# Removes a given string from a variable
Macro (RemoveString var str)
String(REPLACE "${str}" "" ${var} "${${var}}")
EndMacro (RemoveString)
# Removes a compiler flag from all commonly used vars used for that purpose
Macro (RemoveFlag flag)
RemoveString(CMAKE_CXX_FLAGS "${flag}")
RemoveString(CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE} "${flag}")
RemoveString(CMAKE_C_FLAGS "${flag}")
RemoveString(CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE} "${flag}")
RemoveString(CMAKE_EXE_LINKER_FLAGS "${flag}")
RemoveString(CMAKE_MODULE_LINKER_FLAGS "${flag}")
EndMacro (RemoveFlag)
# Sets a variable in global scope
Function (SetGlobal var value)
Set(${var} "${value}" CACHE INTERNAL "" FORCE)
Mark_As_Advanced(${var})
EndFunction (SetGlobal)
# Makes variables available in global scope
# MakeGlobal(var0 [var1 [var2 [var3 ...]]])
Function (MakeGlobal)
ForEach (var ${ARGV})
SetGlobal(${var} "${${var}}")
EndForEach (var)
EndFunction (MakeGlobal)
# Find all CMakeLists.txt files in sub-directories
Macro (GetListOfSubModules list_var)
File(GLOB ${list_var} RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" FOLLOW_SYMLINKS "${CMAKE_CURRENT_SOURCE_DIR}/*/CMakeLists.txt")
# Strip away the "/CMakeLists.txt" parts, so we end up with just a list of dirs,
# for example: AAI;RAI;KAIK
String(REPLACE "//CMakeLists.txt" "" ${list_var} "${${list_var}}")
EndMacro (GetListOfSubModules list_var)
# Gets the version from a text file.
# (actually just reads the text file content into a variable)
Macro (GetVersionFromFile vers_var vers_file)
If (EXISTS ${vers_file})
File(STRINGS "${vers_file}" ${vers_var} LIMIT_COUNT 1)
Else (EXISTS ${vers_file})
Set(${vers_var} "UNKNOWN_VERSION")
EndIf (EXISTS ${vers_file})
EndMacro (GetVersionFromFile vers_var vers_file)
# Returns the name of the dir or file specified by a path.
# example: "/A/B/C" -> "C"
Macro (GetLastPathPart part_var dir)
String(REGEX REPLACE ".*[\\/]" "" ${part_var} ${dir})
EndMacro (GetLastPathPart part_var dir)
# Create an absolute directory from a base- and a relative-dir
Function (MakeAbsolute absDir_var baseDir relDir)
Set(_absDir "${baseDir}")
If (NOT "${relDir}" STREQUAL "")
Set(_absDir "${_absDir}/${relDir}")
EndIf (NOT "${relDir}" STREQUAL "")
Set(${absDir_var} ${_absDir} PARENT_SCOPE)
EndFunction (MakeAbsolute)
# Gets the version from a text file (${CMAKE_CURRENT_SOURCE_DIR}/VERSION),
# and prepare a file for dependency tracking.
# The project will reconfigure whenever the VERSION file gets touched.
Macro (GetVersionPlusDepFile vers_var versDepFile_var)
Set(myVersionFile "${CMAKE_CURRENT_SOURCE_DIR}/VERSION")
Set(myVersionDepFile "${CMAKE_CURRENT_BINARY_DIR}/VERSION")
If (EXISTS ${myVersionFile})
GetVersionFromFile(${vers_var} "${myVersionFile}")
Configure_File("${myVersionFile}" "${myVersionDepFile}" COPYONLY)
Set_source_files_properties("${myVersionDepFile}" PROPERTIES HEADER_FILE_ONLY TRUE)
Set_source_files_properties("${myVersionDepFile}" PROPERTIES GENERATED TRUE)
Set(${versDepFile_var} "${myVersionDepFile}")
Else (EXISTS ${myVersionFile})
Set(${vers_var} "UNKNOWN_VERSION")
Set(${versDepFile_var} "${myVersionFile}")
EndIf (EXISTS ${myVersionFile})
EndMacro (GetVersionPlusDepFile vers_var versDepFile_var)
# Recursively lists all native source files in a given directory,
# relative to _relDir, or absolut, If _relDir == "".
Macro (GetNativeSourcesRecursive _var _dir _relDir)
Set(NATIVE_SOURCE_EXTENSIONS ".c;.cpp;.c++;.cxx")
ForEach (_ext ${NATIVE_SOURCE_EXTENSIONS})
# Recursively get sources for source extension _ext
If ("${_relDir}" STREQUAL "")
File(GLOB_RECURSE _sources FOLLOW_SYMLINKS "${_dir}/*${_ext}")
Else ("${_relDir}" STREQUAL "")
File(GLOB_RECURSE _sources RELATIVE "${_relDir}" FOLLOW_SYMLINKS "${_dir}/*${_ext}")
EndIf ("${_relDir}" STREQUAL "")
# Concatenate to previous results
If ("${_sources}" STREQUAL "" OR "${${_var}}" STREQUAL "")
Set(${_var} "${${_var}}${_sources}")
Else ("${_sources}" STREQUAL "" OR "${${_var}}" STREQUAL "")
Set(${_var} "${${_var}};${_sources}")
EndIf ("${_sources}" STREQUAL "" OR "${${_var}}" STREQUAL "")
EndForEach (_ext)
EndMacro (GetNativeSourcesRecursive _var _dir _relDir)
# Check If the CMake version used is >= "major.minor.patch".
Macro (CheckMinCMakeVersion res_var major minor patch)
Set(${res_var} FALSE)
If (${CMAKE_MAJOR_VERSION} GREATER ${major})
Set(${res_var} TRUE)
ElseIf (${CMAKE_MAJOR_VERSION} EQUAL ${major})
If (${CMAKE_MINOR_VERSION} GREATER ${minor})
Set(${res_var} TRUE)
ElseIf (${CMAKE_MINOR_VERSION} EQUAL ${minor})
If (${CMAKE_PATCH_VERSION} GREATER ${patch})
Set(${res_var} TRUE)
ElseIf (${CMAKE_PATCH_VERSION} EQUAL ${patch})
Set(${res_var} TRUE)
EndIf ()
EndIf ()
EndIf ()
EndMacro (CheckMinCMakeVersion res_var major minor patch)
# Tries to capture a specific regex group from a string.
# The regex has to match the whole string.
# @param pattern the regex to match to
# @param group starts at 1
# @param var to write the result to, "" in case of no match
# @param str the string that will be tried to be match
Macro (CatchRegexGroup pattern group var str)
String(REGEX MATCH "^${pattern}\$" "${var}_MATCH_TEST" "${str}")
Set(${var} "")
If ("${${var}_MATCH_TEST}" STREQUAL "${str}")
String(REGEX REPLACE "${pattern}" "\\${group}" ${var} "${str}")
EndIf ()
EndMacro (CatchRegexGroup)
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