Prevent boost from throwing an exception when env's locale is invalid.

CMakeLists.txt

@@ -266,7 +266,7 @@ endif()
 macro_optional_find_package(Echonest 2.2.0)
 macro_log_feature(ECHONEST_FOUND "Echonest" "Qt library for communicating with The Echo Nest" "http://projects.kde.org/libechonest" TRUE "" "libechonest 2.2.0 is needed for dynamic playlists and the infosystem")
 
-find_package(Boost REQUIRED COMPONENTS system)
+find_package(Boost REQUIRED COMPONENTS filesystem system)
 macro_log_feature(Boost_FOUND "Boost" "Provides free peer-reviewed portable C++ source libraries" "http://www.boost.org" TRUE "" "") #FIXME: give useful explanation
 
 macro_optional_find_package(Lucene++ 3.0.0)

src/tomahawk/CMakeLists.txt

@@ -194,6 +194,7 @@ TARGET_LINK_LIBRARIES( tomahawk_bin
     ${MAC_EXTRA_LIBS}
     ${ECHONEST_LIBRARIES}
     ${TAGLIB_LIBRARIES}
+    ${Boost_LIBRARIES}
 )
 
 IF( APPLE )

src/tomahawk/main.cpp

@@ -43,6 +43,30 @@
 #endif
 
 #include <exception>
+#include <boost/filesystem/path.hpp>
+
+
+void
+checkLocales()
+{
+#if !defined(WIN32) && !defined(MAC_OSX) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
+    std::locale l( "C" );
+    try
+    {
+        // Check if env's locale is valid
+        l = std::locale( "" );
+    }
+    catch ( const std::runtime_error& )
+    {
+        // env's locale is invalid. Prevent boost from throwing an exception
+        setenv( "LC_ALL", "C", 1 );
+    }
+
+    // Needs be set by main thread
+    boost::filesystem::path::imbue( l );
+#endif
+}
+
 
 #ifdef Q_OS_WIN
 #include <windows.h>
@@ -131,6 +155,8 @@ int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine
 int
 main( int argc, char *argv[] )
 {
+    checkLocales();
+
     QCA::Initializer init;
     Q_UNUSED( init )