From 7399aedfdd2097d8906dfc1760f8110ca257bd2e Mon Sep 17 00:00:00 2001
From: Syoyo Fujita <syoyo@lighttransport.com>
Date: Tue, 19 Apr 2016 20:34:51 +0900
Subject: [PATCH] Initial support of linux for viewer example.

---
 examples/viewer/Makefile  | 10 ++++++++--
 examples/viewer/viewer.cc |  2 ++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/examples/viewer/Makefile b/examples/viewer/Makefile
index e5204fc..9c1f621 100644
--- a/examples/viewer/Makefile
+++ b/examples/viewer/Makefile
@@ -1,6 +1,12 @@
 GLFW_INC=-I/usr/local/include 
-GLFW_LIBS=-L/usr/local/lib -lglfw3 -lglew
-GL_LIBS=-framework OpenGL
+
+# OSX
+#GLFW_LIBS=-L/usr/local/lib -lglfw3 -lGLEW
+#GL_LIBS=-framework OpenGL
+
+# Linux
+GLFW_LIBS=-L/usr/local/lib -lglfw3 -lGLEW
+GL_LIBS=-lGL -lGLU -lX11 -lXrandr -lXi -lXxf86vm -lXcursor -lXinerama -ldl -pthread
 
 CXX_FLAGS=-Wno-deprecated-declarations
 
diff --git a/examples/viewer/viewer.cc b/examples/viewer/viewer.cc
index d89fadc..2022168 100644
--- a/examples/viewer/viewer.cc
+++ b/examples/viewer/viewer.cc
@@ -4,6 +4,7 @@
 #include <vector>
 #include <string>
 #include <cstdio>
+#include <cstdlib>
 #include <iostream>
 #include <limits>
 #include <cmath>
@@ -345,6 +346,7 @@ int main(int argc, char **argv)
   }
 
   glfwMakeContextCurrent(window);
+  glfwSwapInterval(1);
 
   // Callback
   glfwSetWindowSizeCallback(window, reshapeFunc);