[mutter/wayland] build: Fix srcdir != builddir

[Colin Walters <walters src gnome org>]

commit 24564c77d61d429649110c751c65ba2aa161303c
Author: Colin Walters <walters verbum org>
Date:   Sat Aug 17 17:50:07 2013 -0400

    build: Fix srcdir != builddir
    
    Need to ensure the wayland/ directory exists in $(builddir), and find
    the headers there too.

 src/Makefile.am |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 1c0ac25..491e784 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -32,6 +32,7 @@ INCLUDES=                                                             \
 if HAVE_WAYLAND
 INCLUDES += \
        -I$(srcdir)/wayland                                             \
+       -I$(builddir)/wayland                                           \
        -DXWAYLAND_PATH='"@XWAYLAND_PATH@"'
 endif
 
@@ -357,9 +358,12 @@ mutter-enum-types.c: stamp-mutter-enum-types.h mutter-enum-types.c.in
 
 if HAVE_WAYLAND
 wayland/%-protocol.c : $(top_builddir)/protocol/%.xml
+       mkdir -p wayland
        $(AM_V_GEN)$(WAYLAND_SCANNER) code < $< > $@
 wayland/%-server-protocol.h : $(top_builddir)/protocol/%.xml
+       mkdir -p wayland
        $(AM_V_GEN)$(WAYLAND_SCANNER) server-header < $< > $@
 wayland/%-client-protocol.h : $(top_builddir)/protocol/%.xml
+       mkdir -p wayland
        $(AM_V_GEN)$(WAYLAND_SCANNER) client-header < $< > $@
 endif