X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=configure.in;h=a1a3903d80aee26eca4f83c8cf9ee42009905ac7;hp=4b36af92f0696470cdb39c40e370622eac6b8540;hb=4fb81453461f004b7334bac10d1eed60ac9837b8;hpb=0a68f1165c65a61d6f6ab6ef47485c9c8193b560

diff --git a/configure.in b/configure.in
index 4b36af92..a1a3903d 100644
--- a/configure.in
+++ b/configure.in
@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 
 AC_INIT(ginac/basic.cpp)
-AC_PREREQ(2.12)
+AC_PREREQ(2.13)
 
 dnl Configure options
 AC_ARG_ENABLE(html-doc, [  --enable-help-doc       build HTML documentation [default=yes]], , enable_html_doc=yes)