Build system support for wayland-scanner

configure.ac

@@ -3182,7 +3182,19 @@ dnl
 AC_ARG_ENABLE(wayland,
   [AS_HELP_STRING([--enable-wayland], [Wayland support (default auto)])])
 have_wayland="no"
+AC_ARG_VAR([WAYLAND_SCANNER], [Wayland scanner utility])
+
 AS_IF([test "${enable_wayland}" != "no"], [
+  AC_MSG_CHECKING([for the Wayland scanner])
+  AS_IF([test -z "$WAYLAND_SCANNER"], [
+    PKG_CHECK_EXISTS([wayland-scanner], [
+      WAYLAND_SCANNER="$(${PKG_CONFIG} wayland-scanner --variable wayland_scanner)"
+    ], [
+      WAYLAND_SCANNER="wayland-scanner"
+    ])
+  ])
+  AC_MSG_RESULT([$WAYLAND_SCANNER])
+
   PKG_CHECK_MODULES([WAYLAND_CLIENT], [wayland-client >= 1.5.91], [
     have_wayland="yes"
   ], [

modules/.gitignore

@@ -1,3 +1,5 @@
+*-client-protocol.h
+*-protocol.c
 plugins.dat
 srtp-test-aes
 srtp-test-recv

modules/Makefile.am

@@ -1,6 +1,7 @@
 noinst_LTLIBRARIES =
 noinst_HEADERS =
 check_PROGRAMS =
+EXTRA_DIST =
 
 BASE_SUBDIRS = \
 	audio_filter \
@@ -72,3 +73,14 @@ module.rc.lo: module.rc
 		-i $< -o $@
 	echo HELLO
 endif
+
+# Wayland
+SUFFIXES += -client-protocol.h -protocol.c .xml
+
+.xml-client-protocol.h:
+	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < "$^" > "$@.tmp"
+	$(AM_V_at)mv -f -- "$@.tmp" "$@"
+
+.xml-protocol.c:
+	$(AM_V_GEN)$(WAYLAND_SCANNER) code < "$^" > "$@.tmp"
+	$(AM_V_at)mv -f -- "$@.tmp" "$@"