autotools: Don't use wayland-scanner.m4

Makefile.am

@@ -6,4 +6,4 @@ SUBDIRS = shared src clients data protocol tests $(wcap_subdir) man
 
 DISTCHECK_CONFIGURE_FLAGS = --disable-setuid-install
 
-EXTRA_DIST = weston.ini
+EXTRA_DIST = weston.ini wayland-scanner.mk

clients/Makefile.am

@@ -254,7 +254,8 @@ endif
 
 endif
 
-@wayland_scanner_rules@
+wayland_protocoldir = $(top_srcdir)/protocol
+include $(top_srcdir)/wayland-scanner.mk
 
 if HAVE_POPPLER
 poppler_programs = weston-view

configure.ac

@@ -423,9 +423,8 @@ if test "x$have_lcms" = xyes; then
 fi
 AM_CONDITIONAL(HAVE_LCMS, [test "x$have_lcms" = xyes])
 
-m4_ifndef([WAYLAND_SCANNER_RULES],
-	  [m4_fatal([WAYLAND_SCANNER_RULES not found. Point ACLOCAL to wayland-scanner.m4 before running autoconf/autogen])])
-WAYLAND_SCANNER_RULES(['$(top_srcdir)/protocol'])
+AC_PATH_PROG([wayland_scanner], [wayland-scanner],
+	     [AC_MSG_ERROR("wayland-scanner is needed to compile weston")])
 
 AC_CONFIG_FILES([Makefile
 		 shared/Makefile

src/Makefile.am

@@ -314,4 +314,5 @@ BUILT_SOURCES =					\
 
 CLEANFILES = $(BUILT_SOURCES)
 
-@wayland_scanner_rules@
+wayland_protocoldir = $(top_srcdir)/protocol
+include $(top_srcdir)/wayland-scanner.mk

src/xwayland/Makefile.am

@@ -35,4 +35,5 @@ BUILT_SOURCES =					\
 
 CLEANFILES = $(BUILT_SOURCES)
 
-@wayland_scanner_rules@
+wayland_protocoldir = $(top_srcdir)/protocol
+include $(top_srcdir)/wayland-scanner.mk

tests/Makefile.am

@@ -139,4 +139,5 @@ BUILT_SOURCES =					\
 
 CLEANFILES = $(BUILT_SOURCES)
 
-@wayland_scanner_rules@
+wayland_protocoldir = $(top_srcdir)/protocol
+include $(top_srcdir)/wayland-scanner.mk

wayland-scanner.mk

@@ -0,0 +1,8 @@
+%-protocol.c : $(wayland_protocoldir)/%.xml
+	$(AM_V_GEN)$(wayland_scanner) code < $< > $@
+
+%-server-protocol.h : $(wayland_protocoldir)/%.xml
+	$(AM_V_GEN)$(wayland_scanner) server-header < $< > $@
+
+%-client-protocol.h : $(wayland_protocoldir)/%.xml
+	$(AM_V_GEN)$(wayland_scanner) client-header < $< > $@