The autoreconf is not needed at all; upstream ships a ./configure
script. The ./configure _is_ needed at some point, but our ebuilds do
it in src_configure. And since "desauto" is part of the default
top-level "make" target, we have to patch out the extra invocation.

diff --git a/Makefile.in b/Makefile.in
index 573f2bd..aa565f4 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -21,7 +21,7 @@ leonconv: desauto
 	cd ./src; $(MAKE) CC="$(CC)" CPPFLAGS="$(CPPFLAGS)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)";
 
 desauto: 
-	cd $(SRCDIR); autoreconf --install --force ; ./configure; $(MAKE) CC="$(CC)" CPPFLAGS="$(CPPFLAGS)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)";
+	cd $(SRCDIR); $(MAKE) CC="$(CC)" CPPFLAGS="$(CPPFLAGS)" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)";
 
 minimum-weight.o: $(CJSRCDIR)/minimum-weight.c $(CJSRCDIR)/minimum-weight-gf2.h $(CJSRCDIR)/minimum-weight-gf3.h $(CJSRCDIR)/popcount.h $(CJSRCDIR)/config.h $(CJSRCDIR)/types.h
 	$(CC) -c -O3 -Wall -I $(CJSRCDIR) $(CJSRCDIR)/minimum-weight.c