configure, meson: Migrate libsamplerate check to meson

configure

@@ -1562,15 +1562,6 @@ if test "$opengl" != "no" ; then
   QEMU_CFLAGS="$QEMU_CFLAGS $opengl_cflags"
 fi # test "$opengl" != "no"
 
-##########################################
-# libsamplerate probe
-if $pkg_config --exists samplerate; then
-    libsamplerate_cflags=$($pkg_config --cflags samplerate)
-    libsamplerate_libs=$($pkg_config --libs samplerate)
-else
-    feature_not_found "samplerate" "Install libsamplerate0-dev"
-fi
-
 # check and set a backend for coroutine
 
 # We prefer ucontext, but it's not always possible. The fallback
@@ -2412,9 +2403,6 @@ if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then
     echo "CONFIG_TSAN=y" >> $config_host_mak
 fi
 
-echo "LIBSAMPLERATE_CFLAGS=$libsamplerate_cflags" >> $config_host_mak
-echo "LIBSAMPLERATE_LIBS=$libsamplerate_libs" >> $config_host_mak
-
 if test "$plugins" = "yes" ; then
     echo "CONFIG_PLUGIN=y" >> $config_host_mak
 fi

meson.build

@@ -1196,8 +1196,10 @@ else
                        kwargs: static_kwargs)
 endif
 
-libsamplerate = declare_dependency(compile_args: config_host['LIBSAMPLERATE_CFLAGS'].split(),
-                                   link_args: config_host['LIBSAMPLERATE_LIBS'].split())
+libsamplerate = dependency('samplerate',
+                           method: 'pkg-config',
+                           required: true,
+                           kwargs: static_kwargs)
 
 gnutls = not_found
 gnutls_crypto = not_found