From 27b3d581738d7fd5074c0db44449dadeb99be7a9 Mon Sep 17 00:00:00 2001
From: Joshua Judson Rosen
Date: Sun, 19 Mar 2017 17:37:50 -0400
Subject: Update to C99....

Using C99 is a bit of a mixed bag, but lets us more easily eliminate
warnings than other variants....

Earlier C variants have no "long long" type, which we don't even use
but is still a problem for us because there are some deprecated
function prototypes that come in through the libguile.h header
and *they* are defined in terms of "long long".

C99 criminalizes guile's behavior of passing function-pointers
via "void *"..., but we can work around that....
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 4c6fbb3..9a72d64 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@ AC_CONFIG_SRCDIR([include/api.h])
 AM_INIT_AUTOMAKE
 
 dnl Checks for programs.
-AC_PROG_CC
+AC_PROG_CC_C99
 
 GUILE_FLAGS
 
-- 
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