From 6b81b3e6a8ac208c0941536d4388f19fb85efc72 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 12 Oct 2013 19:55:10 +0100
Subject: [PATCH] Try to fix xmlsec startup on OS X.

---
 ChangeLog        |  2 ++
 src/lib/cross.cc | 30 +++++++++++++++++++++---------
 src/lib/cross.h  |  3 +++
 src/lib/util.cc  |  9 +++++++++
 4 files changed, 35 insertions(+), 9 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 91103ed63..1201e36ca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,8 @@
 
 	* Add some missing libraries to the OS X build.
 
+	* Fix libltdl search path on OS X.
+
 2013-10-12  Carl Hetherington  <cth@carlh.net>
 	
 	* Version 1.13 released.
diff --git a/src/lib/cross.cc b/src/lib/cross.cc
index 47f07cf9d..30a953bb8 100644
--- a/src/lib/cross.cc
+++ b/src/lib/cross.cc
@@ -35,6 +35,7 @@
 #include <sys/sysctl.h>
 #include <mach-o/dyld.h>
 #endif
+#include "exceptions.h"
 
 using std::pair;
 using std::list;
@@ -114,6 +115,24 @@ cpu_info ()
 	return info;
 }
 
+#ifdef DCPOMATIC_OSX
+/** @return Path of the Contents directory in the .app */
+boost::filesystem::path
+app_contents ()
+{
+	uint32_t size = 1024;
+	char buffer[size];
+	if (_NSGetExecutablePath (buffer, &size)) {
+		throw StringError ("_NSGetExecutablePath failed");
+	}
+	
+	boost::filesystem::path path (buffer);
+	path.remove_filename ();
+	path.remove_filename ();
+	return path;
+}
+#endif
+
 void
 run_ffprobe (boost::filesystem::path content, boost::filesystem::path out, shared_ptr<Log> log)
 {
@@ -189,15 +208,8 @@ run_ffprobe (boost::filesystem::path content, boost::filesystem::path out, share
 #endif
 
 #ifdef DCPOMATIC_OSX
-	uint32_t size = 1024;
-	char buffer[size];
-	if (_NSGetExecutablePath (buffer, &size)) {
-		log->log ("_NSGetExecutablePath failed");
-		return;
-	}
-	
-	boost::filesystem::path path (buffer);
-	path.remove_filename ();
+	boost::filesystem::path path = app_contents();
+	path /= "MacOS";
 	path /= "ffprobe";
 	
 	string ffprobe = path.string() + " \"" + content.string() + "\" 2> \"" + out.string() + "\"";
diff --git a/src/lib/cross.h b/src/lib/cross.h
index c3bb20b47..1fe34edbe 100644
--- a/src/lib/cross.h
+++ b/src/lib/cross.h
@@ -30,3 +30,6 @@ extern std::string cpu_info ();
 extern void run_ffprobe (boost::filesystem::path, boost::filesystem::path, boost::shared_ptr<Log>);
 extern std::list<std::pair<std::string, std::string> > mount_info ();
 extern boost::filesystem::path openssl_path ();
+#ifdef DCPOMATIC_OSX
+extern boost::filesystem::path app_contents ();
+#endif
diff --git a/src/lib/util.cc b/src/lib/util.cc
index 4b780e1b7..1d1372049 100644
--- a/src/lib/util.cc
+++ b/src/lib/util.cc
@@ -279,6 +279,15 @@ dcpomatic_setup ()
 	
 	avfilter_register_all ();
 
+#ifdef DCPOMATIC_OSX
+	/* Add our lib directory to the libltdl search path so that
+	   xmlsec can find xmlsec1-openssl.
+	*/
+	boost::filesystem::path lib = app_contents ();
+	lib /= "lib";
+	lt_dladdsearchdir (lib.c_str ());
+#endif	
+
 	libdcp::init ();
 	
 	Ratio::setup_ratios ();
-- 
2.30.2