Use the set locale for boost::lexical_cast to fix #824.

2 files changed, 10 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index b33b4ae07..0aa5b155a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-03-13  Carl Hetherington  <cth@carlh.net>
+
+	* Fix crash when using non-English decimal separators
+	in the audio gain calculator dialogue (#824).
+
 2016-03-12  Carl Hetherington  <cth@carlh.net>
 
 	* Add 2.35:1 ratio.
diff --git a/src/lib/util.cc b/src/lib/util.cc
index 81963e0aa..f434f358e 100644
--- a/src/lib/util.cc
+++ b/src/lib/util.cc
@@ -389,6 +389,11 @@ dcpomatic_setup_gettext_i18n (string lang)
 
 	setlocale (LC_ALL, "");
 	textdomain ("libdcpomatic2");
+	/* This sets up the locale to be used by lexical_cast (and probably other stuff);
+	   used by e.g. the audio gain calculator dialogue where we lexical_cast floating
+	   point values.
+	*/
+	std::locale::global (std::locale (""));
 
 #if defined(DCPOMATIC_WINDOWS) || defined(DCPOMATIC_OSX)
 	bindtextdomain ("libdcpomatic2", mo_path().string().c_str());