From c5948b0e13ba3a7995fcef41b85510cddde1fd00 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Fri, 18 Aug 2017 09:16:51 -0400
Subject: [PATCH 1/3] Use the value of --sysconfdir to access the configuration
 file.

---
 configure.in    | 7 ++++++-
 es.c => es.c.in | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)
 rename es.c => es.c.in (99%)

diff --git a/configure.in b/configure.in
index 1ebf831..53eb403 100644
--- a/configure.in
+++ b/configure.in
@@ -144,4 +144,9 @@ fi
 AC_SUBST(FL_LEX)
 AC_SUBST(LIBS)
 
-AC_OUTPUT(Makefile)
+# Make sysconfdir available for substitution in es.c.
+# Two "evals" are needed to squash out the extra $prefix.
+AC_SUBST([_sysconfdir])
+AC_CONFIG_COMMANDS_PRE([eval eval _sysconfdir=$sysconfdir])
+
+AC_OUTPUT(Makefile es.c)
diff --git a/es.c b/es.c.in
similarity index 99%
rename from es.c
rename to es.c.in
index eb05908..8aa1a05 100644
--- a/es.c
+++ b/es.c.in
@@ -331,7 +331,7 @@ int settings_init()
   p = getenv("HOME");
   sprintf(buf, "%s/.es.conf", p);
   fp = fopen(buf, "r");
-  if (!fp) fp = fopen("/etc/es.conf", "r");
+  if (!fp) fp = fopen("@_sysconfdir@/es.conf", "r");
   if (!fp) return 1;
   while (fgets(buf, 512, fp))
   {
-- 
2.13.6