From 335547160cb6139f803ca4ff48b879da8ada1108 Mon Sep 17 00:00:00 2001
From: Julian Smith <jules@op59.net>
Date: Sun, 1 Sep 2019 15:08:34 +0100
Subject: [PATCH] src/Main/fg_init.cxx: use /sim/log-file-line to control
 output of file:line in logs.

We call sglog().setFileLine() in response to changes to /sim/log-file-line.
---
 src/Main/fg_init.cxx | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/Main/fg_init.cxx b/src/Main/fg_init.cxx
index 96a027457..cfdda7660 100644
--- a/src/Main/fg_init.cxx
+++ b/src/Main/fg_init.cxx
@@ -532,6 +532,17 @@ static void createBaseStorageDirForAddons(const SGPath& exportDir)
     }
 }
 
+struct SimLogFileLine : SGPropertyChangeListener
+{
+    SimLogFileLine() {
+        fgAddChangeListener(this, "/sim/log-file-line");
+    }
+    virtual void valueChanged(SGPropertyNode* node) {
+        bool    fileLine = node->getBoolValue();
+        sglog().setFileLine(fileLine);
+    }
+};
+
 // Read in configuration (file and command line)
 int fgInitConfig ( int argc, char **argv, bool reinit )
 {
@@ -575,6 +586,8 @@ int fgInitConfig ( int argc, char **argv, bool reinit )
 
     fgSetBool("/sim/developer-mode", developerMode);
     sglog().setDeveloperMode(developerMode);
+    
+    static SimLogFileLine   simLogFileLine;
 
 #ifdef ENABLE_SWIFT
     //Set standard settings for swift connection