xwayland: Silence a build warning if we can

[735/786] Generating 'hw/xwayland/Xwayland@exe/relative-pointer-unstable-v1-protocol.c'.
Using "code" is deprecated - use private-code or public-code.
See the help page for details.

Use private-code if wayland-scanner is new enough.
Signed-off-by: Adam Jackson <ajax@redhat.com>

configure.ac

@@ -2391,6 +2391,10 @@ if test "x$XWAYLAND" = xyes; then
 	AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner],,
 		     [${WAYLAND_PREFIX}/bin$PATH_SEPARATOR$PATH])
 
+        PKG_CHECK_MODULES(WAYLAND_SCANNER, [wayland-scanner >= 1.14.91],
+                          AC_SUBST(SCANNER_ARG, 'private-code'),
+                          AC_SUBST(SCANNER_ARG, 'code'))
+
 	AC_SUBST(WAYLAND_PROTOCOLS_DATADIR, `$PKG_CONFIG --variable=pkgdatadir wayland-protocols`)
 fi
 

hw/xwayland/Makefile.am

@@ -79,36 +79,36 @@ relink:
 	$(AM_V_at)rm -f Xwayland$(EXEEXT) && $(MAKE) Xwayland$(EXEEXT)
 
 relative-pointer-unstable-v1-protocol.c : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/relative-pointer/relative-pointer-unstable-v1.xml
-	$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
+	$(AM_V_GEN)$(WAYLAND_SCANNER) @SCANNER_ARG@ < $< > $@
 relative-pointer-unstable-v1-client-protocol.h : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/relative-pointer/relative-pointer-unstable-v1.xml
 	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
 
 pointer-constraints-unstable-v1-protocol.c : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/pointer-constraints/pointer-constraints-unstable-v1.xml
-	$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
+	$(AM_V_GEN)$(WAYLAND_SCANNER) @SCANNER_ARG@ < $< > $@
 pointer-constraints-unstable-v1-client-protocol.h : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/pointer-constraints/pointer-constraints-unstable-v1.xml
 	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
 
 tablet-unstable-v2-protocol.c: $(WAYLAND_PROTOCOLS_DATADIR)/unstable/tablet/tablet-unstable-v2.xml
-	$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
+	$(AM_V_GEN)$(WAYLAND_SCANNER) @SCANNER_ARG@ < $< > $@
 tablet-unstable-v2-client-protocol.h: $(WAYLAND_PROTOCOLS_DATADIR)/unstable/tablet/tablet-unstable-v2.xml
 	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
 
 xwayland-keyboard-grab-unstable-v1-protocol.c : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/xwayland-keyboard-grab/xwayland-keyboard-grab-unstable-v1.xml
-	$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
+	$(AM_V_GEN)$(WAYLAND_SCANNER) @SCANNER_ARG@ < $< > $@
 xwayland-keyboard-grab-unstable-v1-client-protocol.h : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/xwayland-keyboard-grab/xwayland-keyboard-grab-unstable-v1.xml
 	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
 xdg-output-unstable-v1-protocol.c : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/xdg-output/xdg-output-unstable-v1.xml
-	$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
+	$(AM_V_GEN)$(WAYLAND_SCANNER) @SCANNER_ARG@ < $< > $@
 xdg-output-unstable-v1-client-protocol.h : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/xdg-output/xdg-output-unstable-v1.xml
 	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
 
 linux-dmabuf-unstable-v1-protocol.c : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml
-	$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
+	$(AM_V_GEN)$(WAYLAND_SCANNER) @SCANNER_ARG@ < $< > $@
 linux-dmabuf-unstable-v1-client-protocol.h : $(WAYLAND_PROTOCOLS_DATADIR)/unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml
 	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
 
 %-protocol.c : %.xml
-	$(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
+	$(AM_V_GEN)$(WAYLAND_SCANNER) @SCANNER_ARG@ < $< > $@
 
 %-client-protocol.h : %.xml
 	$(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@

hw/xwayland/meson.build

@@ -27,9 +27,16 @@ client_header = generator(scanner,
     output : '@BASENAME@-client-protocol.h',
     arguments : ['client-header', '@INPUT@', '@OUTPUT@']
 )
+
+if scanner_dep.version().version_compare('>= 1.14.91')
+    scanner_argument = 'private-code'
+else
+    scanner_argument = 'code'
+endif
+
 code = generator(scanner,
     output : '@BASENAME@-protocol.c',
-    arguments : ['code', '@INPUT@', '@OUTPUT@']
+    arguments : [scanner_argument, '@INPUT@', '@OUTPUT@']
 )
 srcs += client_header.process(relative_xml)
 srcs += client_header.process(pointer_xml)