Try to unbreak make distcheck

autogen.des

@@ -18,6 +18,7 @@ rm -f configure
 # autoconf prior to 2.62 has issues with zsh 4.2 and newer
 export CONFIG_SHELL=/bin/sh
 
+env MAKE=gmake \
 ./configure \
     --enable-developer-warnings \
     --enable-debugging-symbols \

lib/libvmod_debug/Makefile.am

@@ -29,4 +29,6 @@ vcc_if.c vcc_if.h: $(vmodtool) $(vmod_srcdir)/vmod.vcc
 
 EXTRA_DIST = vmod.vcc
 
-CLEANFILES = $(builddir)/vcc_if.c $(builddir)/vcc_if.h
+CLEANFILES = $(builddir)/vcc_if.c $(builddir)/vcc_if.h \
+	$(builddir)/vmod_debug.rst \
+	$(builddir)/vmod_debug.man.rst

lib/libvmod_directors/Makefile.am

@@ -33,4 +33,6 @@ vcc_if.c vcc_if.h: $(vmodtool) $(vmod_srcdir)/vmod.vcc
 
 EXTRA_DIST = vmod.vcc
 
-CLEANFILES = $(builddir)/vcc_if.c $(builddir)/vcc_if.h
+CLEANFILES = $(builddir)/vcc_if.c $(builddir)/vcc_if.h \
+	$(builddir)/vmod_directors.rst \
+	$(builddir)/vmod_directors.man.rst

lib/libvmod_std/Makefile.am

@@ -33,7 +33,9 @@ vcc_if.c vcc_if.h: $(vmodtool) $(vmod_srcdir)/vmod.vcc
 
 EXTRA_DIST = vmod.vcc
 
-CLEANFILES = $(builddir)/vcc_if.c $(builddir)/vcc_if.h
+CLEANFILES = $(builddir)/vcc_if.c $(builddir)/vcc_if.h \
+	$(builddir)/vmod_std.rst \
+	$(builddir)/vmod_std.man.rst
 
 vmod_std.3: $(top_srcdir)/doc/sphinx/reference/vmod_std.rst
 if HAVE_RST2MAN