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new macros in pkgconfighelpers.cmake

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* sanitize_target_dirs(target) removes include and link directories that
do not exist from the given immported target
* generate_pkgconfig_spec() builds fluidsynth.pc taking the private
libraries from a given target dependencies
This commit is contained in:
Pedro López-Cabanillas 2021-09-05 21:56:52 +02:00
parent 19b9a12e4f
commit 55678a078a
2 changed files with 83 additions and 21 deletions
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36
CMakeLists.txt
View file

@ -526,6 +526,7 @@ else(NOT enable-pkgconfig)
endif ( GLIB_glib-2.0_VERSION AND GLIB_glib-2.0_VERSION VERSION_LESS "2.26.0" )
include ( UnsetPkgConfig )
include ( PkgConfigHelpers )
# Optional features
unset ( LIBSNDFILE_SUPPORT CACHE )
@ -545,10 +546,11 @@ else(NOT enable-pkgconfig)
else ()
message ( NOTICE "Seems like libsndfile was compiled without OGG/Vorbis support." )
endif ()
sanitize_target_dirs(PkgConfig::LIBSNDFILE)
endif ( LIBSNDFILE_SUPPORT )
else ( enable-libsndfile )
unset_pkg_config ( LIBSNDFILE )
unset_pkg_config ( LIBSNDFILE_VORBIS )
unset_pkg_config ( LIBSNDFILE )
unset_pkg_config ( LIBSNDFILE_VORBIS )
endif ( enable-libsndfile )
unset ( PULSE_SUPPORT CACHE )
@ -571,6 +573,9 @@ else(NOT enable-pkgconfig)
if ( enable-portaudio )
pkg_check_modules ( PORTAUDIO portaudio-2.0>=19 IMPORTED_TARGET )
set ( PORTAUDIO_SUPPORT ${PORTAUDIO_FOUND} )
if (PORTAUDIO_SUPPORT)
sanitize_target_dirs(PkgConfig::PORTAUDIO)
endif()
else ( enable-portaudio )
unset_pkg_config ( PORTAUDIO )
endif ( enable-portaudio )
@ -579,6 +584,9 @@ else(NOT enable-pkgconfig)
if ( enable-jack )
pkg_check_modules ( JACK jack IMPORTED_TARGET )
set ( JACK_SUPPORT ${JACK_FOUND} )
if (JACK_SUPPORT)
sanitize_target_dirs(PkgConfig::JACK)
endif()
else ( enable-jack )
unset_pkg_config ( JACK )
endif ( enable-jack )
@ -589,6 +597,7 @@ else(NOT enable-pkgconfig)
if ( LASH_FOUND )
set ( LASH_SUPPORT 1 )
add_definitions ( -DHAVE_LASH )
sanitize_target_dirs(PkgConfig::LASH)
endif ( LASH_FOUND )
else ( enable-lash )
unset_pkg_config ( LASH )
@ -624,6 +633,9 @@ else(NOT enable-pkgconfig)
if ( enable-libinstpatch )
pkg_check_modules ( LIBINSTPATCH libinstpatch-1.0>=1.1.0 IMPORTED_TARGET )
set ( LIBINSTPATCH_SUPPORT ${LIBINSTPATCH_FOUND} )
if (LIBINSTPATCH_SUPPORT)
sanitize_target_dirs(PkgConfig::LIBINSTPATCH)
endif()
endif ( enable-libinstpatch )
unset ( SDL2_SUPPORT CACHE )
@ -810,25 +822,7 @@ else ()
set ( includedir "\${prefix}/${INCLUDE_INSTALL_DIR}" )
endif ()
# retrieve all the private libs we depend on
get_target_property ( LIBS_PRIVATE libfluidsynth-OBJ INTERFACE_LINK_LIBRARIES)
# make a copy
set ( LIBS_PRIVATE_WITH_PATH ${LIBS_PRIVATE} )
# this matches any path and any flag entries (starting with '-')
set ( LIB_LIST_REGEX "(^(.+)\/([^\/]+)$)|(^\-.*$)" )
# remove all entries from the list which are specified by path and which already have -l
list ( FILTER LIBS_PRIVATE EXCLUDE REGEX ${LIB_LIST_REGEX} )
# include only entries specifed by path
list ( FILTER LIBS_PRIVATE_WITH_PATH INCLUDE REGEX ${LIB_LIST_REGEX} )
# prepend the linker flag to all entries except the ones that already have it
list ( TRANSFORM LIBS_PRIVATE PREPEND "-l")
list ( JOIN LIBS_PRIVATE " " LIBS_PRIVATE_JOINED )
list ( JOIN LIBS_PRIVATE_WITH_PATH " " LIBS_PRIVATE_WITH_PATH_JOINED )
configure_file ( fluidsynth.pc.in
${CMAKE_BINARY_DIR}/fluidsynth.pc IMMEDIATE @ONLY )
generate_pkgconfig_spec(fluidsynth.pc.in ${CMAKE_BINARY_DIR}/fluidsynth.pc libfluidsynth-OBJ)
install ( FILES ${CMAKE_BINARY_DIR}/fluidsynth.pc
DESTINATION ${LIB_INSTALL_DIR}/pkgconfig )

68
cmake_admin/PkgConfigHelpers.cmake Normal file
View file

@ -0,0 +1,68 @@
macro(sanitize_target_dirs target)
if (TARGET ${target})
#message(DEBUG "sanitize_target(${target})")
set(_cleandirs)
get_target_property(_dirs ${target} INTERFACE_INCLUDE_DIRECTORIES)
if(_dirs)
foreach(_d ${_dirs})
if(EXISTS ${_d})
list(APPEND _cleandirs ${_d})
endif()
endforeach()
set_property(TARGET ${target}
PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${_cleandirs})
endif()
set(_cleandirs)
get_target_property(_dirs ${target} INTERFACE_LINK_DIRECTORIES)
if(_dirs)
foreach(_d ${_dirs})
if(EXISTS ${_d})
list(APPEND _cleandirs ${_d})
endif()
endforeach()
set_property(TARGET ${target}
PROPERTY INTERFACE_LINK_DIRECTORIES ${_cleandirs})
endif()
endif()
endmacro(sanitize_target_dirs)
macro(generate_pkgconfig_spec template outfile target)
#message(DEBUG "generate_pkgconfig_spec: ${outfile} from template: ${template}")
if (TARGET ${target})
# retrieve all the private libs we depend on
get_target_property (_libs ${target} INTERFACE_LINK_LIBRARIES)
set(_cleanlibs)
foreach(_lib ${_libs})
if (TARGET ${_lib})
get_target_property(_tlibs ${_lib} INTERFACE_LINK_LIBRARIES)
foreach(_clib ${_tlibs})
get_filename_component(_name "${_clib}" NAME)
string(REGEX REPLACE "^lib" "" _clib ${_name})
string(REGEX REPLACE ".so$" "" _clib ${_clib})
list(APPEND _cleanlibs ${_clib})
endforeach()
else()
list(APPEND _cleanlibs ${_lib})
endif()
endforeach()
list(REMOVE_DUPLICATES _cleanlibs)
set (LIBS_PRIVATE ${_cleanlibs})
# make a copy
set ( LIBS_PRIVATE_WITH_PATH ${LIBS_PRIVATE} )
# this matches any path and any flag entries (starting with '-')
set ( LIB_LIST_REGEX "(^(.+)\/([^\/]+)$)|(^\-.*$)" )
# remove all entries from the list which are specified by path and which already have -l
list ( FILTER LIBS_PRIVATE EXCLUDE REGEX ${LIB_LIST_REGEX} )
# include only entries specifed by path
list ( FILTER LIBS_PRIVATE_WITH_PATH INCLUDE REGEX ${LIB_LIST_REGEX} )
# prepend the linker flag to all entries except the ones that already have it
list ( TRANSFORM LIBS_PRIVATE PREPEND "-l")
list ( JOIN LIBS_PRIVATE " " LIBS_PRIVATE_JOINED )
list ( JOIN LIBS_PRIVATE_WITH_PATH " " LIBS_PRIVATE_WITH_PATH_JOINED )
configure_file ( ${template} ${outfile} IMMEDIATE @ONLY)
endif()
endmacro(generate_pkgconfig_spec)