From 3b737887f3c99558356bd101922e80b1361740e1 Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Mon, 2 Dec 2013 00:10:41 +0100
Subject: [PATCH] Add --debug option to configure.

---
 configure.ac      | 6 ++++++
 src/socket2unix.c | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/configure.ac b/configure.ac
index 61ecbbb..d61de2e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,5 +37,11 @@ AC_TYPE_SIZE_T
 
 AC_SEARCH_LIBS([dlsym], [dl], [], [AC_MSG_ERROR([dlsym() is required])])
 
+AC_ARG_ENABLE([debug],
+              [AS_HELP_STRING([--enable-debug],[enable debug output])],
+              [if test "x$enableval" = xyes; then
+                   AC_DEFINE([DEBUG], 1, [Define to 1 enable debug output.])
+               fi])
+
 AC_CONFIG_FILES([Makefile src/Makefile])
 AC_OUTPUT
diff --git a/src/socket2unix.c b/src/socket2unix.c
index 848a40b..e912387 100644
--- a/src/socket2unix.c
+++ b/src/socket2unix.c
@@ -22,6 +22,8 @@
 /* Necessary for RTLD_NEXT. */
 #define _GNU_SOURCE
 
+#include <config.h>
+
 #include <assert.h>
 #include <dlfcn.h>
 #include <errno.h>
@@ -197,7 +199,11 @@ static const char *get_socket_path(void) {
 static int get_log_level(void) {
     const char *level = getenv("SOCKET2UNIX_DEBUG");
     if (!level) {
+#ifdef DEBUG
+        return LOG_LEVEL_DEBUG;
+#else
         return LOG_LEVEL_WARNING;
+#endif
     }
     int number = atoi(level);
     if (number <= 0 || number > LOG_LEVEL_DEBUG) {
-- 
2.45.2