pipewirecore: Add pc file

This is useful for building out-of-tree PipeWire modules.

Change-Id: I47507349201067f01164d8ba8b95bc4ee422d082

pipewire/server/meson.build

@@ -28,13 +28,13 @@ pipewirecore_sources = [
   'work-queue.c',
 ]
 
+install_headers(pipewirecore_headers, subdir : 'pipewire/server')
+
 libpipewirecore_c_args = [
   '-DHAVE_CONFIG_H',
   '-D_GNU_SOURCE',
 ]
 
-install_headers(pipewirecore_headers, subdir : 'pipewire/server')
-
 libpipewirecore = shared_library('pipewirecore-@0@'.format(apiversion), pipewirecore_sources,
   version : libversion,
   soversion : soversion,

pkgconfig/libpipewirecore.pc.in

@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@/
+moduledir=@moduledir@
+
+Name: libpipewirecore
+Description: PipeWire Core
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -lpipewirecore-@PIPEWIRE_API_VERSION@
+Cflags: -I${includedir} -D_REENTRANT

pkgconfig/meson.build

@@ -11,6 +11,7 @@ pkg_install_dir = '@0@/pkgconfig'.format(get_option('libdir'))
 
 pkg_files = [
   'libpipewire',
+  'libpipewirecore',
   'libspa',
 ]