[clutter-gst/clutter-gst-3.0] build: Allow building in non-srcdir

[Lionel Landwerlin <llandwerlin src gnome org>]

commit 7de343d540a94f4164d5f69809547a4e3e8a6c8d
Author: Ting-Wei Lan <lantw src gnome org>
Date:   Tue Jun 14 10:17:56 2016 +0800

    build: Allow building in non-srcdir
    
    https://bugzilla.gnome.org/show_bug.cgi?id=767626

 autogen.sh              |    8 +++++---
 clutter-gst/Makefile.am |    7 ++++---
 2 files changed, 9 insertions(+), 6 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index d83f1c4..e6d0664 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,8 @@
 #! /bin/sh
-gtkdocize || exit 1
-autoreconf -v --install || exit 1
+srcdir=`dirname $0`
+test -z "$srcdir" && srcdir=.
+( cd "$srcdir" && gtkdocize ) || exit 1
+( cd "$srcdir" && autoreconf -v --install ) || exit 1
 if test -z "$NOCONFIGURE"; then
-    ./configure "$@" || exit 1
+    "$srcdir/configure" "$@" || exit 1
 fi
diff --git a/clutter-gst/Makefile.am b/clutter-gst/Makefile.am
index cac901f..0df17b3 100644
--- a/clutter-gst/Makefile.am
+++ b/clutter-gst/Makefile.am
@@ -24,7 +24,7 @@ source_h =                                    \
        $(srcdir)/clutter-gst.h                 \
        $(srcdir)/clutter-gst-types.h           \
        $(srcdir)/clutter-gst-util.h            \
-       $(srcdir)/clutter-gst-version.h         \
+       $(builddir)/clutter-gst-version.h       \
        $(srcdir)/clutter-gst-camera.h          \
        $(srcdir)/clutter-gst-camera-manager.h  \
        $(srcdir)/clutter-gst-camera-device.h   \
@@ -38,14 +38,14 @@ source_h =                                  \
 
 source_priv_h =                                        \
        $(srcdir)/clutter-gst-debug.h           \
-       $(srcdir)/clutter-gst-marshal.h         \
+       $(builddir)/clutter-gst-marshal.h       \
        $(srcdir)/clutter-gst-private.h         \
        $(NULL)
 
 source_c =                                     \
        $(srcdir)/clutter-gst-debug.c           \
        $(srcdir)/clutter-gst-types.c           \
-       $(srcdir)/clutter-gst-marshal.c         \
+       $(builddir)/clutter-gst-marshal.c       \
        $(srcdir)/clutter-gst-player.c          \
        $(srcdir)/clutter-gst-camera.c          \
        $(srcdir)/clutter-gst-camera-manager.c  \
@@ -69,6 +69,7 @@ libclutter_gst_ CLUTTER_GST_MAJORMINOR@_la_SOURCES =  \
 
 INCLUDES =                                     \
        -I$(top_srcdir)                         \
+       -I$(top_builddir)                       \
        $(NULL)
 
 AM_CPPFLAGS =                                  \