[beast] TOOLS: work around maintainer-clean removing included dependency file too early

[Tim Janik <timj src gnome org>]

commit 51e0a18eeec766ff881f26e3e02b51961f66a2c8
Author: Tim Janik <timj gnu org>
Date:   Thu Mar 16 00:43:05 2017 +0100

    TOOLS: work around maintainer-clean removing included dependency file too early
    
    Signed-off-by: Tim Janik <timj gnu org>

 tools/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tools/Makefile.am b/tools/Makefile.am
index a25c502..f35a6f8 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -18,6 +18,7 @@ bin_PROGRAMS        = bsewavetool
 bsewavetool_SOURCES = bsewavetool.cc bwtwave.cc bseloopfuncs.cc ../topbuildid.cc
 bsewavetool_LDADD   = $(progs_ldadd)
 EXTRA_DIST         += bsewavetool.hh bwtwave.hh bseloopfuncs.hh sfiutils.hh
+../.deps/topbuildid.Po: ; mkdir -p $(@D) && touch $@ # bad hack to fix maintainer-clean
 
 noinst_PROGRAMS  += cutvorbis
 cutvorbis_SOURCES = cutvorbis.cc