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# GObjectIntrospection.cmake
#
# Adds an option -DENABLE_INTROSPECTION=OFF and helper commands which work only
# when the introspection is enabled.
#
# Most of the script is copied and tuned from libical, which states:
# Copyright (C) 2010, Pino Toscano, <pino at kde.org>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
include(PrintableOptions)
include(PkgConfigEx)
include(CMakeParseArguments)
add_printable_option(ENABLE_INTROSPECTION "Enable GObject introspection" OFF)
if(ENABLE_INTROSPECTION)
pkg_check_modules_for_option(ENABLE_INTROSPECTION "GObject introspection" GOBJECT_INTROSPECTION gobject-introspection-1.0>=1.59.1)
pkg_check_variable(G_IR_SCANNER gobject-introspection-1.0 g_ir_scanner)
pkg_check_variable(G_IR_COMPILER gobject-introspection-1.0 g_ir_compiler)
if(NOT G_IR_SCANNER)
message(FATAL_ERROR "g-ir-scanner not provided by gobject-introspection-1.0, you can disable GObject introspection by -DENABLE_INTROSPECTION=OFF")
endif(NOT G_IR_SCANNER)
if(NOT G_IR_COMPILER)
message(FATAL_ERROR "g-ir-compiler not provided by gobject-introspection-1.0, you can disable GObject introspection by -DENABLE_INTROSPECTION=OFF")
endif(NOT G_IR_COMPILER)
endif(ENABLE_INTROSPECTION)
macro(_gir_list_prefix _outvar _listvar _prefix)
set(${_outvar})
foreach(_item IN LISTS ${_listvar})
list(APPEND ${_outvar} ${_prefix}${_item})
endforeach()
endmacro(_gir_list_prefix)
macro(_gir_list_prefix_libs _outvar _listvar _prefix)
set(${_outvar})
foreach(_item IN LISTS ${_listvar})
if(TARGET ${_item})
get_target_property(_output_name ${_item} OUTPUT_NAME)
list(APPEND ${_outvar} ${_prefix}${_output_name})
else(TARGET ${_item})
message(FATAL_ERROR "'${_item}' not found as a target, possibly typo or reorder target definitions")
endif(TARGET ${_item})
endforeach()
endmacro(_gir_list_prefix_libs)
macro(_gir_list_prefix_path_to_string _outvar _listvar _prefix)
set(${_outvar})
foreach(_item IN LISTS ${_listvar})
get_filename_component(_dir "${_item}" DIRECTORY)
if(_dir STREQUAL "")
set(${_outvar} "${${_outvar}}${_prefix}/${_item}\n")
else(_dir STREQUAL "")
set(${_outvar} "${${_outvar}}${_item}\n")
endif(_dir STREQUAL "")
endforeach()
endmacro(_gir_list_prefix_path_to_string)
macro(gir_construct_names _prefix _version _out_girname _out_varsprefix)
set(${_out_girname} "${_prefix}-${_version}.gir")
set(_varsprefix ${${_out_girname}})
string(REPLACE "-" "_" _varsprefix "${_varsprefix}")
string(REPLACE "." "_" _varsprefix "${_varsprefix}")
set(${_out_varsprefix} ${_varsprefix})
endmacro(gir_construct_names)
macro(gir_girfilename_to_target _outvar _girfilename)
set(${_outvar})
foreach(_gir_name "${_girfilename}" ${ARGN})
string(REPLACE "-" "_" _gir_name "${_gir_name}")
string(REPLACE "." "_" _gir_name "${_gir_name}")
list(APPEND ${_outvar} gir-girs-${_gir_name})
endforeach(_gir_name)
endmacro(gir_girfilename_to_target)
# the macro does something only if ENABLE_INTROSPECTION is ON
# optionally ${_gir_name}_SKIP_TYPELIB can be set to ON to not build .typelib file, only the .gir file
macro(gir_add_introspection gir)
if(ENABLE_INTROSPECTION)
set(_gir_girs)
set(_gir_typelibs)
set(_gir_name "${gir}")
## Transform the gir filename to something which can reference through a variable
## without automake/make complaining, eg Gtk-2.0.gir -> Gtk_2_0_gir
string(REPLACE "-" "_" _gir_name "${_gir_name}")
string(REPLACE "." "_" _gir_name "${_gir_name}")
# Namespace and Version is either fetched from the gir filename
# or the _NAMESPACE/_VERSION variable combo
set(_gir_namespace "${${_gir_name}_NAMESPACE}")
if (_gir_namespace STREQUAL "")
string(REGEX REPLACE "([^-]+)-.*" "\\1" _gir_namespace "${gir}")
endif ()
set(_gir_version "${${_gir_name}_VERSION}")
if (_gir_version STREQUAL "")
string(REGEX REPLACE ".*-([^-]+).gir" "\\1" _gir_version "${gir}")
endif ()
# _PROGRAM is an optional variable which needs its own --program argument
set(_gir_program "${${_gir_name}_PROGRAM}")
if (NOT _gir_program STREQUAL "")
set(_gir_program "--program=${_gir_program}")
endif ()
# Variables which provides a list of things
_gir_list_prefix_libs(_gir_libraries ${_gir_name}_LIBS "--library=")
_gir_list_prefix(_gir_packages ${_gir_name}_PACKAGES "--pkg=")
_gir_list_prefix(_gir_includes ${_gir_name}_INCLUDES "--include=")
# Reuse the LIBTOOL variable from automake if it's set
set(_gir_libtool "--no-libtool")
_gir_list_prefix_path_to_string(_gir_files ${${_gir_name}_FILES} "${CMAKE_CURRENT_SOURCE_DIR}")
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${_gir_name}_files "${_gir_files}")
add_custom_command(
COMMAND ${CMAKE_COMMAND} -E env "CC='${CMAKE_C_COMPILER}'" LDFLAGS=
${INTROSPECTION_SCANNER_ENV}
${G_IR_SCANNER}
${INTROSPECTION_SCANNER_ARGS}
--namespace=${_gir_namespace}
--nsversion=${_gir_version}
${_gir_libtool}
${_gir_program}
${_gir_libraries}
${_gir_packages}
${_gir_includes}
${${_gir_name}_SCANNERFLAGS}
${${_gir_name}_CFLAGS}
--filelist=${CMAKE_CURRENT_BINARY_DIR}/${_gir_name}_files
--output ${CMAKE_CURRENT_BINARY_DIR}/${gir}
--accept-unprefixed
--sources-top-dirs=${CMAKE_SOURCE_DIR}
--sources-top-dirs=${CMAKE_BINARY_DIR}
DEPENDS ${${${_gir_name}_FILES}}
${${_gir_name}_LIBS}
${${_gir_name}_DEPS}
OUTPUT ${gir}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
VERBATIM
)
list(APPEND _gir_girs ${CMAKE_CURRENT_BINARY_DIR}/${gir})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${gir} DESTINATION ${SHARE_INSTALL_PREFIX}/gir-1.0)
add_custom_target(gir-girs-${_gir_name} ALL DEPENDS ${_gir_girs})
if(NOT DEFINED ${_gir_name}_SKIP_TYPELIB OR NOT ${${_gir_name}_SKIP_TYPELIB})
string(REPLACE ".gir" ".typelib" _typelib "${gir}")
add_custom_command(
COMMAND ${G_IR_COMPILER}
${INTROSPECTION_COMPILER_ARGS}
--includedir=${CMAKE_CURRENT_SOURCE_DIR}
--includedir=${SHARE_INSTALL_PREFIX}/gir-1.0
${CMAKE_CURRENT_BINARY_DIR}/${gir}
-o ${CMAKE_CURRENT_BINARY_DIR}/${_typelib}
DEPENDS gir-girs-${_gir_name}
OUTPUT ${_typelib}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
)
list(APPEND _gir_typelibs ${CMAKE_CURRENT_BINARY_DIR}/${_typelib})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${_typelib} DESTINATION ${LIB_INSTALL_DIR}/girepository-1.0)
add_custom_target(gir-typelibs-${_gir_name} ALL DEPENDS ${_gir_typelibs})
endif(NOT DEFINED ${_gir_name}_SKIP_TYPELIB OR NOT ${${_gir_name}_SKIP_TYPELIB})
endif(ENABLE_INTROSPECTION)
endmacro(gir_add_introspection)
macro(_gir_deps_to_cmake_targets _outvar _inlist)
set(${_outvar})
foreach(_item IN LISTS ${_inlist})
get_filename_component(_filename "${_item}" NAME)
string(REPLACE "-" "_" _filename "${_filename}")
string(REPLACE "." "_" _filename "${_filename}")
list(APPEND ${_outvar} gir-girs-${_filename})
endforeach()
endmacro(_gir_deps_to_cmake_targets)
macro(_gir_deps_to_includedir _outvar _inlist)
set(${_outvar})
foreach(_item IN LISTS ${_inlist})
get_filename_component(_directory "${_item}" DIRECTORY)
list(APPEND ${_outvar} "--includedir=${_directory}")
endforeach()
endmacro(_gir_deps_to_includedir)
macro(gir_add_introspection_simple gir_library pkg_export_prefix gir_library_version c_include gir_identifies_prefixes_var gir_includes_var extra_cflags_var gir_extra_libdirs_var gir_libs_var gir_deps_var gir_sources_var)
gir_construct_names(${gir_library} ${gir_library_version} gir_name gir_vars_prefix)
cmake_parse_arguments(gir "" "" "SCANNER_EXTRA_ARGS" ${ARGN})
list(APPEND gir_SCANNER_EXTRA_ARGS "--warn-all")
unset(INTROSPECTION_SCANNER_ARGS)
unset(INTROSPECTION_SCANNER_ENV)
unset(INTROSPECTION_COMPILER_ARGS)
set(${gir_vars_prefix} ${gir_library})
set(${gir_vars_prefix}_SCANNERFLAGS ${gir_SCANNER_EXTRA_ARGS})
set(${gir_vars_prefix}_VERSION "${gir_library_version}")
set(${gir_vars_prefix}_LIBRARY "${gir_vars_prefix}")
set(${gir_vars_prefix}_INCLUDES ${${gir_includes_var}})
set(${gir_vars_prefix}_CFLAGS
-I${CMAKE_CURRENT_BINARY_DIR}
-I${CMAKE_BINARY_DIR}
-I${CMAKE_BINARY_DIR}/src
-I${CMAKE_CURRENT_SOURCE_DIR}
-I${CMAKE_SOURCE_DIR}
-I${CMAKE_SOURCE_DIR}/src
${${extra_cflags_var}}
)
set(${gir_vars_prefix}_LIBS ${${gir_libs_var}})
set(${gir_vars_prefix}_FILES ${gir_sources_var})
_gir_deps_to_includedir(INTROSPECTION_COMPILER_ARGS ${gir_deps_var})
_gir_deps_to_cmake_targets(${gir_vars_prefix}_DEPS ${gir_deps_var})
_gir_list_prefix(_gir_identifies_prefixes ${gir_identifies_prefixes_var} "--identifier-prefix=")
_gir_list_prefix(_gir_extra_libdirs ${gir_extra_libdirs_var} "--library-path=")
_gir_list_prefix(_gir_deps ${gir_deps_var} "--include-uninstalled=")
string(REGEX MATCHALL "-L[^ ]*"
_extra_library_path "${CMAKE_SHARED_LINKER_FLAGS}")
set(INTROSPECTION_SCANNER_ARGS
--add-include-path=${CMAKE_BINARY_DIR}
--add-include-path=${CMAKE_BINARY_DIR}/src
--add-include-path=${CMAKE_SOURCE_DIR}
--add-include-path=${CMAKE_SOURCE_DIR}/src
--add-include-path=${CMAKE_CURRENT_BINARY_DIR}
--add-include-path=${CMAKE_CURRENT_SOURCE_DIR}
--library-path=${CMAKE_BINARY_DIR}
--library-path=${CMAKE_BINARY_DIR}/src
--library-path=${CMAKE_CURRENT_BINARY_DIR}
${_gir_extra_libdirs}
${_gir_identifies_prefixes}
${_gir_deps}
--add-include-path=${SHARE_INSTALL_PREFIX}/gir-1.0
--library-path=${LIB_INSTALL_DIR}
${_extra_library_path}
--pkg-export ${pkg_export_prefix}-${gir_library_version}
--c-include=${c_include}
--cflags-begin
${${gir_vars_prefix}_CFLAGS}
--cflags-end
--verbose
)
if(WIN32)
set(_loader_library_path_var "PATH")
set(_loader_library_path_native "$ENV{PATH}")
elseif(APPLE)
set(_loader_library_path_var "DYLD_LIBRARY_PATH")
set(_loader_library_path_native "$ENV{DYLD_LIBRARY_PATH}")
else()
set(_loader_library_path_var "LD_LIBRARY_PATH")
set(_loader_library_path_native "$ENV{LD_LIBRARY_PATH}")
endif ()
file(TO_CMAKE_PATH
"${_loader_library_path_native}"
_loader_library_path_cmake
)
set(_extra_loader_library_path_cmake
${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}/src
${CMAKE_CURRENT_BINARY_DIR}
${${gir_extra_libdirs_var}}
${LIB_INSTALL_DIR}
${_loader_library_path_cmake}
)
file(TO_NATIVE_PATH
"${_extra_loader_library_path_cmake}"
_extra_loader_library_path_native
)
if(UNIX)
string(REPLACE ";" ":"
_extra_loader_library_path_native
"${_extra_loader_library_path_native}"
)
string(REPLACE "\\ " " "
_extra_loader_library_path_native
"${_extra_loader_library_path_native}"
)
endif(UNIX)
set(INTROSPECTION_SCANNER_ENV
${_loader_library_path_var}="${_extra_loader_library_path_native}"
)
gir_add_introspection(${gir_name})
endmacro(gir_add_introspection_simple)
macro(gir_filter_out_sources _inout_listvar _contains_str)
set(_tmp)
foreach(_item IN LISTS ${_inout_listvar})
string(FIND "${_item}" "${_contains_str}" _contains)
if(_contains EQUAL -1)
list(APPEND _tmp ${_prefix}${_item})
endif(_contains EQUAL -1)
endforeach()
set(${_inout_listvar} ${_tmp})
endmacro(gir_filter_out_sources)
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