--- a/Makefile.am
+++ b/Makefile.am
-@@ -18,7 +18,7 @@ AUTOMAKE_OPTIONS = gnu
+@@ -24,7 +24,7 @@ AUTOMAKE_OPTIONS = gnu
# old Automake version.
ACLOCAL_AMFLAGS = -I m4
pkgconfig_DATA = mpfr.pc
--- a/Makefile.in
+++ b/Makefile.in
-@@ -383,7 +383,7 @@ AUTOMAKE_OPTIONS = gnu
+@@ -384,7 +384,7 @@ AUTOMAKE_OPTIONS = gnu
# libtoolize and in case some developer needs to switch back to an
# old Automake version.
ACLOCAL_AMFLAGS = -I m4