From 59df544d4db83db4a0988aba47394983ca891e4b Mon Sep 17 00:00:00 2001
From: lns <matzeton@googlemail.com>
Date: Wed, 15 Jun 2022 20:08:32 +0200
Subject: [PATCH] Fix-configure.ac: define PREFIX in config.h

PREFIX was never defined and therefore set to the
default value `/opt/collectd`. collectd searched in
this path for desired files e.g. typesdb, plugins, etc
no matter if it was configured with `--prefix`.

Signed-off-by: lns <matzeton@googlemail.com>
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index dd53ac5d3..1737aff31 100644
--- a/configure.ac
+++ b/configure.ac
@@ -145,6 +145,10 @@ if test "x$ac_system" = "xAIX"; then
   AC_DEFINE([_THREAD_SAFE_ERRNO], [1], [Define to use the thread-safe version of errno under AIX.])
 fi
 
+if test "x${prefix}" != xNONE; then
+  AC_DEFINE_UNQUOTED([PREFIX], ["${prefix}"], [Define the install prefix.])
+fi
+
 # Where to install .pc files.
 pkgconfigdir="${libdir}/pkgconfig"
 AC_SUBST([pkgconfigdir])
-- 
2.47.2