From 37cea6bc1a0c2c7a6e73f2ecf8a8a8f0aac605ed Mon Sep 17 00:00:00 2001
From: Nick Bowler <nbowler@elliptictech.com>
Date: Wed, 5 Dec 2012 18:22:44 -0500
Subject: [PATCH] Fix DX_EXPORTED_SH to AC_SUBST required variables.

The exported.sh support wasn't really usable as-is since it was relying
on a symbol defined by cdecl99's configure.ac.  Bring that configuration
into the common macro.
---
 m4/exported.m4 | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/m4/exported.m4 b/m4/exported.m4
index d4a613b..7bb6e9e 100644
--- a/m4/exported.m4
+++ b/m4/exported.m4
@@ -11,6 +11,15 @@ dnl There is NO WARRANTY, to the extent permitted by law.
 AC_DEFUN([DX_EXPORTED_SH], [dnl
 AC_REQUIRE([DX_INIT])
 
+AC_CONFIG_COMMANDS_PRE([dnl
+	AC_PROVIDE_IFELSE([LT_INIT], , [m4_warn([syntax],
+[$0 requires libtool.
+Consider adding an invocation of LT_INIT to configure.ac.])])
+
+	GLOBAL_SYMBOL_PIPE=$lt_cv_sys_global_symbol_pipe
+	AC_SUBST([GLOBAL_SYMBOL_PIPE])
+])
+
 AC_CONFIG_FILES([exported.sh:]DX_BASEDIR[/snippet/exported.sh.in],
 	[chmod +x exported.sh])
 ])
-- 
2.43.0