configure: put m4 macros and autogenerated files into m4/ directory.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>

Makefile.am

@@ -1,3 +1,5 @@
+ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
+
 AUTOMAKE_OPTIONS = foreign
 
 SUBDIRS = debian.upstream gst-libs gst pkgconfig tests docs

autogen.sh

@@ -12,6 +12,8 @@ test $TEST_TYPE $FILE || {
     exit 1
 }
 
+mkdir -p m4
+
 GTKDOCIZE=`which gtkdocize`
 if test -z $GTKDOCIZE; then
     echo "*** No gtk-doc support ***"
@@ -33,7 +35,7 @@ if test -z $AUTORECONF; then
     echo "*** No autoreconf found ***"
     exit 1
 else
-    ACLOCAL="${ACLOCAL-aclocal} $ACLOCAL_FLAGS" autoreconf -v --install || exit $?
+    autoreconf -v --install || exit $?
 fi
 
 if test -z "$NO_CONFIGURE"; then

configure.ac

@@ -59,10 +59,15 @@ AC_PREREQ([2.58])
 AC_INIT([gst_vaapi], [gst_vaapi_version],
     [gwenole.beauchesne@intel.com],
     [gstreamer-vaapi])
-AC_CONFIG_SRCDIR([Makefile.am])
-AC_CANONICAL_TARGET
-AM_INIT_AUTOMAKE
+
 AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_SRCDIR([Makefile.am])
+AC_CONFIG_MACRO_DIR([m4])
+AC_CONFIG_AUX_DIR([build-aux])
+
+AC_CANONICAL_TARGET
+
+AM_INIT_AUTOMAKE
 
 TODAY="`LC_ALL=C date +'%a, %d %b %Y %X %z'`"
 AC_SUBST(TODAY)