[Guile-commits] 09/11: Detect too-old libunistring at configure-time.

[Andy Wingo]

wingo pushed a commit to branch stable-2.0
in repository guile.

commit 961e226104571fac52094ecd37930e74d4a90dd7
Author: Andy Wingo <wi...@pobox.com>
Date:   Tue Jun 21 15:38:00 2016 +0200

    Detect too-old libunistring at configure-time.
    
    * configure.ac: Detect too-old libunistring at configure-time.  Fixes
      #17399.
---
 configure.ac |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/configure.ac b/configure.ac
index b24e3db..184f0b7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -891,6 +891,13 @@ if test "x$LTLIBUNISTRING" = "x"; then
   AC_MSG_ERROR([GNU libunistring is required, please install it.])
 fi
 
+dnl Sloppy check to make sure people aren't trying to use too-old libunistring.
+case "$LIBUNISTRING_VERSION" in
+  0.9.0 | 0.9.1 | 0.9.2 )
+  AC_MSG_ERROR([libunistring too old.  Please install a recent libunistring 
(>= 0.9.3).])
+  ;;
+esac
+
 GUILE_LIBUNISTRING_WITH_ICONV_SUPPORT
 if test "x$ac_cv_libunistring_with_iconv_support" != "xyes"; then
   AC_MSG_ERROR([No iconv support.  Please recompile libunistring with iconv 
enabled.])