see https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/work_items/3863
build-system uses privlibdir both for installation and for finding libpulse
private libs at build time. It breaks with cross-compile.
Because libdir is redefined internally and libpulsecommon_dep is used in
many places, avoid deep changes and add a new option, privlibdir_system.
--- a/meson.build
+++ b/meson.build
@@ -79,6 +79,11 @@ if host_machine.system() == 'windows'
   privlibdir = bindir
 endif
 
+privlibdir_system = get_option('privlibdir_system')
+if privlibdir_system == ''
+  privlibdir_system = privlibdir
+endif
+
 alsadatadir = get_option('alsadatadir')
 if alsadatadir == ''
   alsadatadir = join_paths(datadir, 'pulseaudio', 'alsa-mixer')
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -60,6 +60,9 @@ option('pulsedsp-location',
 option('modlibexecdir',
        type : 'string',
        description : 'Specify location where modules will be installed')
+option('privlibdir_system',
+       type : 'string',
+       description : 'Specify location where Pulseaudio private system library is installed (defaults to ${libdir/pulseaudio})')
 option('alsadatadir',
        type : 'string',
        description : 'Directory for ALSA card profiles (defaults to ${datadir}/pulseaudio/alsa-mixer)')
--- a/src/meson.build
+++ b/src/meson.build
@@ -194,7 +194,7 @@ endif
 # FIXME: Do SIMD things
 
 if not get_option('client')
-  libpulsecommon_dep = cc.find_library('pulsecommon-' + pa_version_major_minor, dirs : privlibdir, required : true)
+  libpulsecommon_dep = cc.find_library('pulsecommon-' + pa_version_major_minor, dirs : privlibdir_system, required : true)
   libpulse_dep = dependency('libpulse', required : true)
   libpulse_simple_dep = dependency('libpulse-simple', required : true)
 else
-- 
2.52.0