[gnome-builder] git: ensure libgit2-glib has threading and ssh support

[Christian Hergert <chergert src gnome org>]

commit e419ff5d4b5b42a5930b0550e0bc1f3b083d88e1
Author: Christian Hergert <christian hergert me>
Date:   Tue Apr 7 23:58:05 2015 -0700

    git: ensure libgit2-glib has threading and ssh support

 libide/ide.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/libide/ide.c b/libide/ide.c
index 9dfc7a0..90ddd56 100644
--- a/libide/ide.c
+++ b/libide/ide.c
@@ -18,6 +18,7 @@
 
 #include <glib/gi18n.h>
 #include <libgit2-glib/ggit.h>
+#include <stdlib.h>
 
 #include "gconstructor.h"
 #include "ide.h"
@@ -79,6 +80,8 @@ ide_set_program_name (const gchar *program_name)
 static void
 ide_init_ctor (void)
 {
+  GgitFeatureFlags ggit_flags;
+
   g_type_ensure (IDE_TYPE_CONTEXT);
   g_type_ensure (IDE_TYPE_BUILD_SYSTEM);
   g_type_ensure (IDE_TYPE_VCS);
@@ -171,5 +174,20 @@ ide_init_ctor (void)
                                   -200);
 
   modeline_parser_init ();
+
   ggit_init ();
+
+  ggit_flags = ggit_get_features ();
+
+  if ((ggit_flags & GGIT_FEATURE_THREADS) == 0)
+    {
+      g_error (_("Builder requires libgit2-glib with threading support."));
+      exit (EXIT_FAILURE);
+    }
+
+  if ((ggit_flags & GGIT_FEATURE_SSH) == 0)
+    {
+      g_error (_("Builder requires libgit2-glib with SSH support."));
+      exit (EXIT_FAILURE);
+    }
 }