build: make autotools put .m4 files into m4/ instead of common/m4/

We don't want generated/copied files in common.

.gitignore

@@ -29,3 +29,8 @@ aclocal.m4
 INSTALL
 gst-ffmpeg.spec
 -
+m4/libtool.m4
+m4/ltoptions.m4
+m4/ltsugar.m4
+m4/ltversion.m4
+m4/lt~obsolete.m4

Makefile.am

@@ -12,7 +12,7 @@ EXTRA_DIST = \
 	AUTHORS COPYING NEWS README ChangeLog gst-ffmpeg.doap \
 	$(win32)
 
-ACLOCAL_AMFLAGS = -I common/m4
+ACLOCAL_AMFLAGS = -I m4 -I common/m4
 
 include $(top_srcdir)/common/release.mak
 
@@ -24,7 +24,12 @@ check-torture:
 
 CRUFT_FILES = \
 	$(top_builddir)/common/shave \
-	$(top_builddir)/common/shave-libtool
+	$(top_builddir)/common/shave-libtool \
+	$(top_builddir)/common/m4/libtool.m4 \
+	$(top_builddir)/common/m4/ltoptions.m4 \
+	$(top_builddir)/common/m4/ltsugar.m4 \
+	$(top_builddir)/common/m4/ltversion.m4 \
+	$(top_builddir)/common/m4/lt~obsolete.m4
 
 include $(top_srcdir)/common/cruft.mak
 

autogen.sh

@@ -97,7 +97,7 @@ fi
 toplevel_check $srcfile
 
 tool_run "$libtoolize" "--copy --force"
-tool_run "$aclocal" "-I common/m4 $ACLOCAL_FLAGS"
+tool_run "$aclocal" "-I m4 -I common/m4 $ACLOCAL_FLAGS"
 tool_run "$autoheader"
 
 # touch the stamp-h.in build stamp so we don't re-run autoheader in maintainer mode -- wingo