Fixed OpenMP detection and building, better PkgConfigHelpers.cmake

2024-12-03 17:42:21 +00:00 · 2021-09-10 14:43:43 +02:00 · 2021-09-10 14:43:43 +02:00 · 6a0d838f33
commit 6a0d838f33
parent 054685fa67
4 changed files with 72 additions and 48 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -191,6 +191,7 @@ if ( NOT HAVE_LONG_LONG AND NOT MSVC)
    message ( FATAL_ERROR "Your compiler does not support intrinsic type 'long long'. Unable to compile fluidsynth." )
 endif ()

+include ( CMakePrintHelpers ) # for cmake_print_properties() and cmake_print_variables() 
 include ( TestInline )
 include ( TestVLA )
 include ( TestBigEndian )
@ -525,8 +526,7 @@ else(NOT enable-pkgconfig)
        message ( WARNING "Your version of glib is very old. This may cause problems with fluidsynth's sample cache on Windows. Consider updating to glib 2.26 or newer!" )
    endif ( GLIB_glib-2.0_VERSION AND GLIB_glib-2.0_VERSION VERSION_LESS "2.26.0" )

-    include ( UnsetPkgConfig )
-    include ( PkgConfigHelpers )
+    include ( PkgConfigHelpers ) # has unset_pkg_config()

    # Optional features
    unset ( LIBSNDFILE_SUPPORT CACHE )
@ -535,10 +535,11 @@ else(NOT enable-pkgconfig)
    pkg_check_modules ( LIBSNDFILE sndfile>=1.0.0 IMPORTED_TARGET )
    set ( LIBSNDFILE_SUPPORT ${LIBSNDFILE_FOUND} )
    if ( LIBSNDFILE_SUPPORT )
-        message (DEBUG "LIBSNDFILE_STATIC_LIBRARIES: ${LIBSNDFILE_STATIC_LIBRARIES}")
-        message (DEBUG "LIBSNDFILE_STATIC_LINK_LIBRARIES: ${LIBSNDFILE_STATIC_LINK_LIBRARIES}")
-        message (DEBUG "LIBSNDFILE_STATIC_LDFLAGS: ${LIBSNDFILE_STATIC_LDFLAGS}")
-        message (DEBUG "LIBSNDFILE_STATIC_LDFLAGS_OTHER: ${LIBSNDFILE_STATIC_LDFLAGS_OTHER}")
+        #[[ cmake_print_variables (
+	    LIBSNDFILE_STATIC_LIBRARIES 
+            LIBSNDFILE_STATIC_LINK_LIBRARIES 
+            LIBSNDFILE_STATIC_LDFLAGS 
+            LIBSNDFILE_STATIC_LDFLAGS_OTHER )  ]]
        if ( LIBSNDFILE_STATIC_LIBRARIES MATCHES "vorbis" OR
             LIBSNDFILE_STATIC_LDFLAGS MATCHES "vorbis" OR
             LIBSNDFILE_STATIC_LDFLAGS_OTHER MATCHES "vorbis" )
@ -546,6 +547,12 @@ else(NOT enable-pkgconfig)
        else ()
          message ( NOTICE "Seems like libsndfile was compiled without OGG/Vorbis support." )
        endif ()
+        #[[ cmake_print_properties( TARGETS PkgConfig::LIBSNDFILE
+            PROPERTIES 
+               INTERFACE_COMPILE_OPTIONS
+               INTERFACE_INCLUDE_DIRECTORIES
+               INTERFACE_LINK_OPTIONS
+               INTERFACE_LINK_LIBRARIES )  ]]
        sanitize_target_dirs(PkgConfig::LIBSNDFILE)
    endif ( LIBSNDFILE_SUPPORT )
    else ( enable-libsndfile )
@ -634,6 +641,13 @@ else(NOT enable-pkgconfig)
        pkg_check_modules ( LIBINSTPATCH libinstpatch-1.0>=1.1.0 IMPORTED_TARGET )
        set ( LIBINSTPATCH_SUPPORT ${LIBINSTPATCH_FOUND} )
        if (LIBINSTPATCH_SUPPORT)
+            #[[ cmake_print_properties( TARGETS PkgConfig::LIBINSTPATCH
+                PROPERTIES
+                   INTERFACE_COMPILE_OPTIONS
+                   INTERFACE_INCLUDE_DIRECTORIES
+                   INTERFACE_LINK_DIRECTORIES
+                   INTERFACE_LINK_OPTIONS
+                   INTERFACE_LINK_LIBRARIES ) ]]
            sanitize_target_dirs(PkgConfig::LIBINSTPATCH)
        endif()
    endif ( enable-libinstpatch )
@ -716,10 +730,20 @@ if ( enable-threads )
 endif ( enable-threads )

 unset ( HAVE_OPENMP CACHE )
-find_package ( OpenMP 4.0 QUIET )
+find_package ( OpenMP QUIET )
 if ( OpenMP_FOUND OR OpenMP_C_FOUND )
-    message(STATUS "Found OpenMP ${OpenMP_C_VERSION} ${OpenMP_C_SPEC_DATE}")
-    set ( HAVE_OPENMP 1 )
+    message(STATUS "Found OpenMP version: ${OpenMP_C_VERSION} date: ${OpenMP_C_SPEC_DATE}")
+    if ( TARGET OpenMP::OpenMP_C AND (( NOT OpenMP_C_SPEC_DATE LESS "201307" ) OR NOT ( OpenMP_C_VERSION VERSION_LESS "4.0" )) )
+        #[[ cmake_print_properties( TARGETS OpenMP::OpenMP_C
+            PROPERTIES 
+               INTERFACE_COMPILE_OPTIONS
+               INTERFACE_INCLUDE_DIRECTORIES
+               INTERFACE_LINK_OPTIONS
+               INTERFACE_LINK_LIBRARIES ) ]]
+   	set ( HAVE_OPENMP 1 )
+    else()
+        message(STATUS "  OpenMP version is not supported. Feature disabled.")
+    endif()
 endif()

 # manipulate some variables to setup a proper test env
--- a/cmake_admin/PkgConfigHelpers.cmake
+++ b/cmake_admin/PkgConfigHelpers.cmake
@ -1,41 +1,37 @@
-macro(sanitize_target_dirs target)
-    if (TARGET ${target})
-        #message(DEBUG "sanitize_target(${target})")
+macro ( sanitize_property_dirs target property )
        set(_cleandirs)
-        get_target_property(_dirs ${target} INTERFACE_INCLUDE_DIRECTORIES)
+        get_target_property(_dirs ${target} ${property})
        if(_dirs)
-            foreach(_d ${_dirs})
+            foreach(_d IN LISTS _dirs)
                if(EXISTS ${_d})
                    list(APPEND _cleandirs ${_d})
+                else()
+                    message(DEBUG "removing spurious directory ${_d} from property ${property} of target ${target}")
                endif()
            endforeach()
-            set_property(TARGET ${target}
-                PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${_cleandirs})
+            set_property(TARGET ${target} PROPERTY ${property} ${_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)
+endmacro ( sanitize_property_dirs )

-macro(generate_pkgconfig_spec template outfile target)
+macro ( sanitize_target_dirs target )
+    if (TARGET ${target})
+        message(DEBUG "performing sanitize_target_dirs(${target})")
+        sanitize_property_dirs( ${target} INTERFACE_INCLUDE_DIRECTORIES )
+        sanitize_property_dirs( ${target} INTERFACE_SYSTEM_INCLUDE_DIRECTORIES )
+        sanitize_property_dirs( ${target} INTERFACE_LINK_DIRECTORIES )
+    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})
+        foreach(_lib IN LISTS _libs)
            if (TARGET ${_lib})
                get_target_property(_tlibs ${_lib} INTERFACE_LINK_LIBRARIES)
-                foreach(_clib ${_tlibs})
+                foreach(_clib IN LISTS _tlibs)
                    get_filename_component(_name "${_clib}" NAME)
                    string(REGEX REPLACE "^lib" "" _clib ${_name})
                    string(REGEX REPLACE ".so$" "" _clib ${_clib})
@ -64,5 +60,19 @@ macro(generate_pkgconfig_spec template outfile target)

        configure_file ( ${template} ${outfile} IMMEDIATE @ONLY)
    endif()
+endmacro ( generate_pkgconfig_spec )

-endmacro(generate_pkgconfig_spec)
+macro ( unset_pkg_config _prefix )
+  unset ( ${_prefix}_VERSION CACHE )
+  unset ( ${_prefix}_PREFIX CACHE )
+  unset ( ${_prefix}_CFLAGS CACHE )
+  unset ( ${_prefix}_CFLAGS_OTHER CACHE )
+  unset ( ${_prefix}_LDFLAGS CACHE )
+  unset ( ${_prefix}_LDFLAGS_OTHER CACHE )
+  unset ( ${_prefix}_LIBRARIES CACHE )
+  unset ( ${_prefix}_INCLUDEDIR CACHE )
+  unset ( ${_prefix}_INCLUDE_DIRS CACHE )
+  unset ( ${_prefix}_LIBDIR CACHE )
+  unset ( ${_prefix}_LIBRARY_DIRS CACHE )
+  unset ( __pkg_config_checked_${_prefix} CACHE )
+endmacro ( unset_pkg_config )
--- a/cmake_admin/UnsetPkgConfig.cmake
+++ b/cmake_admin/UnsetPkgConfig.cmake
@ -1,14 +0,0 @@
-macro ( unset_pkg_config _prefix )
-  unset ( ${_prefix}_VERSION CACHE )
-  unset ( ${_prefix}_PREFIX CACHE )
-  unset ( ${_prefix}_CFLAGS CACHE )
-  unset ( ${_prefix}_CFLAGS_OTHER CACHE )
-  unset ( ${_prefix}_LDFLAGS CACHE )
-  unset ( ${_prefix}_LDFLAGS_OTHER CACHE )
-  unset ( ${_prefix}_LIBRARIES CACHE )
-  unset ( ${_prefix}_INCLUDEDIR CACHE )
-  unset ( ${_prefix}_INCLUDE_DIRS CACHE )
-  unset ( ${_prefix}_LIBDIR CACHE )
-  unset ( ${_prefix}_LIBRARY_DIRS CACHE )
-  unset ( __pkg_config_checked_${_prefix} CACHE )
-endmacro ( unset_pkg_config )
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@ -331,7 +331,7 @@ target_link_libraries ( libfluidsynth-OBJ PUBLIC
    ${LIBFLUID_LIBS}
 )

-if ( TARGET OpenMP::OpenMP_C )
+if ( TARGET OpenMP::OpenMP_C AND HAVE_OPENMP )
    target_link_libraries ( libfluidsynth-OBJ PUBLIC OpenMP::OpenMP_C )
 endif()

@ -458,6 +458,10 @@ target_link_libraries ( fluidsynth PRIVATE
    ${FLUID_LIBS}
 )

+if ( TARGET OpenMP::OpenMP_C AND HAVE_OPENMP )
+    target_link_libraries ( fluidsynth PRIVATE OpenMP::OpenMP_C )
+endif()
+
 if ( TARGET PkgConfig::SYSTEMD AND SYSTEMD_SUPPORT )
    target_link_libraries ( fluidsynth PRIVATE PkgConfig::SYSTEMD )
 endif()