From 240cf324022eb3e307f0516144096cea3394cc74 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Mon, 31 Oct 2016 15:56:49 +0100
Subject: gl: Use MessageBox for GLFW initialization error messages on windows.

---
 platform/gl/gl-main.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'platform/gl/gl-main.c')

diff --git a/platform/gl/gl-main.c b/platform/gl/gl-main.c
index 9084827c..2a46e1b1 100644
--- a/platform/gl/gl-main.c
+++ b/platform/gl/gl-main.c
@@ -1318,7 +1318,11 @@ static void on_display(GLFWwindow *window)
 
 static void on_error(int error, const char *msg)
 {
+#ifdef _WIN32
+	MessageBoxA(NULL, msg, "MuPDF GLFW Error", MB_ICONERROR);
+#else
 	fprintf(stderr, "gl error %d: %s\n", error, msg);
+#endif
 }
 
 static void usage(const char *argv0)
-- 
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