--- a/Makefile.in.old	2016-02-27 01:58:00.000000000 +0200
+++ b/Makefile.in	2020-09-26 10:41:47.103438068 +0300
@@ -796,7 +796,6 @@
 	  && ../../configure \
 	    $(AM_DISTCHECK_CONFIGURE_FLAGS) \
 	    $(DISTCHECK_CONFIGURE_FLAGS) \
-	    --srcdir=../.. --prefix="$$dc_install_base" \
 	  && $(MAKE) $(AM_MAKEFLAGS) \
 	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
 	  && $(MAKE) $(AM_MAKEFLAGS) check \
--- a/configure.ac.old	2016-02-24 00:34:08.000000000 +0200
+++ b/configure.ac	2020-09-26 10:44:19.531231717 +0300
@@ -359,7 +359,7 @@
 
 pkgconfigdir="\$(libdir)/pkgconfig"
 if test "${prefix}" = "/usr"; then
-	rootsbindir="/sbin"
+	rootsbindir="/usr/sbin"
 else
 	rootsbindir="\$(sbindir)"
 fi