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Diffstat (limited to 'Build/source/texk/web2c/web2c/configure.ac')
-rw-r--r--Build/source/texk/web2c/web2c/configure.ac5
1 files changed, 4 insertions, 1 deletions
diff --git a/Build/source/texk/web2c/web2c/configure.ac b/Build/source/texk/web2c/web2c/configure.ac
index 56dc0e6d515..3beca468860 100644
--- a/Build/source/texk/web2c/web2c/configure.ac
+++ b/Build/source/texk/web2c/web2c/configure.ac
@@ -1,6 +1,6 @@
dnl Process this file with Autoconf to produce a configure script for Web2c.
dnl
-dnl Copyright (C) 2009-2014 Peter Breitenlohner <tex-live@tug.org>
+dnl Copyright (C) 2009-2015 Peter Breitenlohner <tex-live@tug.org>
dnl
dnl This file is free software; the copyright holder
dnl gives unlimited permission to copy and/or distribute it,
@@ -35,6 +35,9 @@ AC_CHECK_SIZEOF([long])
AC_CHECK_SIZEOF([void *])
AC_TYPE_UINTPTR_T
+dnl Check if <ctype.h> declares isascii.
+AC_CHECK_DECLS([isascii], [], [], [[#include <ctype.h>]])
+
dnl Write output here, instead of putting a zillion -D's on the command line.
AC_CONFIG_HEADERS([kpathsea/c-auto.h:c-auto.in])