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#######################################################################################################################
#
# Function to add a flag to the given flag string
#
# param _VAR: flag string
# param _FLAG: flag to add
# param ARGV0: optional boolean value if the flag should be added
#
#######################################################################################################################
function ( add_flag _VAR _FLAG )
Christian Godenschwager
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if ( ARGC EQUAL 0 OR ARGV0 )
set ( ${_VAR} "${${_VAR}} ${_FLAG}" PARENT_SCOPE )
endif ( )
endfunction ( add_flag )
#######################################################################################################################
#######################################################################################################################
#
# Function to handle python code generation files
# parameters:
# sourceFilesOut: variable where source files without python files are written to
# generatedSourceFilesOut: variable where generated source files (with custom command) are written to
# generatorsOut: only the python files that have been passed
# codeGenRequired: true if at least one python file was part of the sources
# The list of generated files is determined via the pystencils_walberla package mechanism.
# The python script, when called with -l, should return a semicolon-separated list of generated files
# if this list changes, CMake has to be run manually again.
#######################################################################################################################
function( handle_python_codegen sourceFilesOut generatedSourceFilesOut generatorsOut codeGenRequiredOut codegenCfg)
set(generatedResult )
set(generatorsResult )
set(codeGenRequired NO)
foreach( sourceFile ${ARGN} )
if( ${sourceFile} MATCHES ".*\\.py$" )
if( WALBERLA_BUILD_WITH_CODEGEN)
get_filename_component(pythonFileAbsolutePath ${sourceFile} ABSOLUTE )
set( generatedSourceFiles ${WALBERLA_CODEGEN_INFO_${pythonFileAbsolutePath}} )
foreach( filename ${generatedSourceFiles} )
list(APPEND generatedWithAbsolutePath ${CMAKE_CURRENT_BINARY_DIR}/${codegenCfg}/${filename})
endforeach()
list(APPEND generatedResult ${generatedWithAbsolutePath} )
list(APPEND generatorsResult ${sourceFile} )
string (REPLACE ";" "\", \"" jsonFileList "${generatedWithAbsolutePath}" )
set(pythonParameters
"\\\{\"EXPECTED_FILES\": [\"${jsonFileList}\"], \"CMAKE_VARS\" : \\\{ "
"\"WALBERLA_OPTIMIZE_FOR_LOCALHOST\": \"${WALBERLA_OPTIMIZE_FOR_LOCALHOST}\","
"\"WALBERLA_DOUBLE_ACCURACY\": \"${WALBERLA_DOUBLE_ACCURACY}\","
"\"CODEGEN_CFG\": \"${codegenCfg}\","
"\"WALBERLA_BUILD_WITH_MPI\": \"${WALBERLA_BUILD_WITH_MPI}\","
"\"WALBERLA_BUILD_WITH_CUDA\": \"${WALBERLA_BUILD_WITH_CUDA}\","
"\"WALBERLA_BUILD_WITH_OPENMP\": \"${WALBERLA_BUILD_WITH_OPENMP}\" \\\} \\\}"
)
string(REPLACE "\"" "\\\"" pythonParameters ${pythonParameters}) # even one more quoting level required
string(REPLACE "\n" "" pythonParameters ${pythonParameters}) # remove newline characters
set( WALBERLA_PYTHON_DIR ${walberla_SOURCE_DIR}/python)
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/${codegenCfg}")
add_custom_command(OUTPUT ${generatedWithAbsolutePath}
DEPENDS ${sourceFile}
COMMAND ${CMAKE_COMMAND} -E env PYTHONPATH=${WALBERLA_PYTHON_DIR} ${PYTHON_EXECUTABLE} ${sourceFile} ${pythonParameters}
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/${codegenCfg}")
else()
list(APPEND result ${sourceFile})
endif()
endforeach()
set( ${sourceFilesOut} ${result} PARENT_SCOPE )
set( ${generatedSourceFilesOut} ${generatedResult} PARENT_SCOPE )
set( ${generatorsOut} ${generatorsResult} PARENT_SCOPE )
set( ${codeGenRequiredOut} ${codeGenRequired} PARENT_SCOPE )
endfunction ( handle_python_codegen )
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#######################################################################################################################
#######################################################################################################################
#
# Subtracts list2 from list 2
#
# Keywords:
# LIST1 first list
# LIST2 second list
# Example:
# list_minus ( result LIST1 "entry1" "entry2" "entry3" LIST2 "entry1" "entry3" )
# -> result has a single entry: "entry2"
#
#######################################################################################################################
function( list_minus resultOut )
set( options )
set( oneValueArgs )
set( multiValueArgs LIST1 LIST2 )
cmake_parse_arguments( ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
set ( result ${ARG_LIST1} )
foreach ( secondEntry ${ARG_LIST2} )
list (REMOVE_ITEM result ${secondEntry} )
endforeach()
set ( ${resultOut} ${result} PARENT_SCOPE )
endfunction( list_minus )
#######################################################################################################################
#######################################################################################################################
#
# Adds waLBerla to cmake package registry, and sets internal cache variables
# ( include paths, compile definitions, compiler flags ... )
#
# Which can be read by projects that add waLBerla as a subdirectory
# See for example waLBerla_import
#
#######################################################################################################################
function ( waLBerla_export )
# Write the build directory to the cmake package config
# which is under ~/.cmake/packages (Linux), or in the registry (Windows)
export( PACKAGE waLBerla )
# Copy a config file to the build directory which is executed when from another project
# find_package( waLBerla ) is called
configure_file ( cmake/walberla-config-builddir.cmake
walberla-config.cmake @ONLY )
# Export compiler flags
set ( compilerList "CXX" "C" )
foreach ( compiler ${compilerList} )
set ( WALBERLA_INCLUDE_SYSTEM_FLAG_${compiler} ${CMAKE_INCLUDE_SYSTEM_FLAG_${compiler}}
CACHE INTERNAL "${compiler} include flags for walberla" )
set ( WALBERLA_${compiler}_FLAGS ${CMAKE_${compiler}_FLAGS}
CACHE INTERNAL "${compiler} flags for walberla" )
foreach ( buildType ${CMAKE_CONFIGURATION_TYPES} )
set ( WALBERLA_${compiler}_FLAGS_${buildType} ${CMAKE_${compiler}_FLAGS_${buildType}}
CACHE INTERNAL "${compiler} flags for walberla" )
endforeach()
endforeach()
# Export linker flags
set ( WALBERLA_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} CACHE INTERNAL "walberla linker flags")
foreach ( buildType ${CMAKE_CONFIGURATION_TYPES} )
set ( WALBERLA_EXE_LINKER_FLAGS_${buildType} ${CMAKE_EXE_LINKER_FLAGS_${buildType}}
CACHE INTERNAL "walberla linker flags for ${buildType}" )
endforeach()
# Export service libs
set ( WALBERLA_SERVICE_LIBS ${SERVICE_LIBS} CACHE INTERNAL "External Libraries necessary for waLBerla" )
# Export compile definitions
get_directory_property( WALBERLA_COMPILE_DEFINITIONS DIRECTORY ${walberla_SOURCE_DIR} COMPILE_DEFINITIONS )
set ( WALBERLA_COMPILE_DEFINITIONS ${WALBERLA_COMPILE_DEFINITIONS} CACHE INTERNAL "waLBerla compile definitions" )
# Export include paths
get_directory_property( WALBERLA_INCLUDE_DIRS DIRECTORY ${walberla_SOURCE_DIR} INCLUDE_DIRECTORIES)
set ( WALBERLA_INCLUDE_DIRS ${WALBERLA_INCLUDE_DIRS} CACHE INTERNAL "waLBerla include directories" )
# Export link paths
set ( WALBERLA_LINK_DIRS ${LINK_DIRS} CACHE INTERNAL "waLBerla link directories" )
set( WALBERLA_CXX_STANDARD ${CMAKE_CXX_STANDARD} CACHE INTERNAL "CXX standard")
set( WALBERLA_CXX_STANDARD_REQUIRED ${CMAKE_CXX_STANDARD_REQUIRED} CACHE INTERNAL "CXX Standard Required")
set( WALBERLA_CXX_EXTENSIONS ${CMAKE_CXX_EXTENSIONS} CACHE INTERNAL "CXX Extensions")
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endfunction( waLBerla_export)
#######################################################################################################################
#######################################################################################################################
#
# Reads variables that have been exported by waLBerla_export
# Useful when waLBerla was added as a subdirectory
#
#######################################################################################################################
function ( waLBerla_import )
set( options NO_COMPILER_FLAGS NO_INCLUDE_DIRS NO_COMPILE_DEFINITIONS )
set( oneValueArgs )
set( multiValueArgs )
cmake_parse_arguments( ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
if ( NOT NO_INCLUDE_DIRS )
foreach( directory ${WALBERLA_INCLUDE_DIRS} )
if( ${directory} MATCHES "walberla/src$" )
include_directories( ${directory} )
else()
include_directories( SYSTEM ${directory} )
endif()
endforeach()
endif()
# Import compile definitions
if ( NOT NO_COMPILE_DEFINITIONS )
set_property( DIRECTORY ${CMAKE_SOURCE_DIR} PROPERTY COMPILE_DEFINITIONS ${WALBERLA_COMPILE_DEFINITIONS} )
endif()
# Import compiler flags
if ( NOT NO_COMPILER_FLAGS )
set ( compilerList "CXX" "C" )
foreach ( compiler ${compilerList} )
set ( CMAKE_INCLUDE_SYSTEM_FLAG_${compiler} ${WALBERLA_INCLUDE_SYSTEM_FLAG_${compiler}} PARENT_SCOPE )
set ( CMAKE_${compiler}_FLAGS ${WALBERLA_${compiler}_FLAGS} PARENT_SCOPE )
foreach ( buildType ${CMAKE_CONFIGURATION_TYPES} )
set ( CMAKE_${compiler}_FLAGS_${buildType} ${WALBERLA_${compiler}_FLAGS_${buildType}} PARENT_SCOPE )
endforeach()
endforeach()
# Import linker flags
set ( CMAKE_EXE_LINKER_FLAGS ${WALBERLA_EXE_LINKER_FLAGS} )
foreach ( buildType ${CMAKE_CONFIGURATION_TYPES} )
set ( CMAKE_EXE_LINKER_FLAGS_${buildType} ${WALBERLA_EXE_LINKER_FLAGS_${buildType}} PARENT_SCOPE )
endforeach()
endif()
set( SERVICE_LIBS ${WALBERLA_SERVICE_LIBS} PARENT_SCOPE )
set( CMAKE_CXX_STANDARD ${WALBERLA_CXX_STANDARD} PARENT_SCOPE)
set( CMAKE_CXX_STANDARD_REQUIRED ${WALBERLA_STANDARD_REQUIRED} PARENT_SCOPE)
set( CMAKE_CXX_EXTENSIONS ${WALBERLA_EXTENSIONS} PARENT_SCOPE)
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link_directories( ${WALBERLA_LINK_DIRS} )
endfunction( waLBerla_import)
#######################################################################################################################
#######################################################################################################################
#
# Group Files for an IDE like VS
#
# Keywords:
# FILES all files which are in a certain group
# Example:
# file ( GLOB_RECURSE sourceFiles "*.h" "*.c" )
# group_files ( "Source Files" FILES ${sourceFiles} )
#
#######################################################################################################################
function( group_files group )
set( options )
set( oneValueArgs)
set( multiValueArgs FILES)
cmake_parse_arguments( ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
foreach( filename ${ARG_FILES} )
file( RELATIVE_PATH rel ${CMAKE_CURRENT_SOURCE_DIR} ${filename})
if( rel MATCHES ".*/.*" )
# subdirectory found -> add to subdirectory
get_filename_component(dir ${rel} PATH )
# replace slashes by some underscores to use path as variable name
# -> you are allowed to use at max two underscores in your folder name
string( REGEX REPLACE "/" "___" subname ${dir} )
list( APPEND subfiles${subname} ${filename} )
list( APPEND subnames ${subname} )
else()
# no subdirectory found -> add to normal group
list( APPEND files ${filename} )
endif()
endforeach()
if( subnames )
list( REMOVE_DUPLICATES subnames )
endif()
foreach( subname ${subnames} )
string( REGEX REPLACE "___" "\\\\" subgroup ${subname} )
#message( STATUS " Group: ${group}\\${subgroup} and files: ${subfiles${subname}}" )
source_group( "${group}\\${subgroup}" FILES ${subfiles${subname}} )
endforeach()
#message( STATUS " Group: ${group} and files: ${files}" )
source_group( "${group}" FILES ${files} )
endfunction( group_files )
#######################################################################################################################
#######################################################################################################################
#
# Sets version number of waLberla
#
# Example:
#
#######################################################################################################################
function( set_version VERSION_MAJOR VERSION_PATCH )
set( WALBERLA_MAJOR_VERSION ${VERSION_MAJOR} CACHE STRING "waLBerla major version" FORCE )
set( WALBERLA_PATCH_LEVEL ${VERSION_PATCH} CACHE STRING "waLBerla patch level" FORCE )
set( WALBERLA_VERSION "${VERSION_MAJOR}.${VERSION_PATCH}" CACHE STRING "waLBerla version" FORCE )
mark_as_advanced( WALBERLA_MAJOR_VERSION WALBERLA_PATCH_LEVEL )
endfunction()
#######################################################################################################################