From 17a8372217adadeb1dc51da529b1aa4fa4815801 Mon Sep 17 00:00:00 2001
From: dcnieho <dcnieho@7f0cb862-5218-0410-a997-914c9d46530a>
Date: Sun, 27 Jan 2013 12:38:28 +0000
Subject: [PATCH] can now configure build such that runtime warnings and/or
 errors occuring in lib are not printed to stderr (thanks Nigel Steward)

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1501 7f0cb862-5218-0410-a997-914c9d46530a
---
 freeglut/freeglut/CMakeLists.txt | 6 ++++++
 freeglut/freeglut/config.h.in    | 4 ++++
 freeglut/freeglut/src/fg_main.c  | 6 ++++--
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/freeglut/freeglut/CMakeLists.txt b/freeglut/freeglut/CMakeLists.txt
index 37d61aa..26b03a6 100644
--- a/freeglut/freeglut/CMakeLists.txt
+++ b/freeglut/freeglut/CMakeLists.txt
@@ -25,6 +25,12 @@ set(VERSION_PATCH 0)
 OPTION(BUILD_SHARED_LIBS "Build FreeGLUT shared library." ON)
 OPTION(BUILD_STATIC_LIBS "Build FreeGLUT static library." ON)
 
+# option for whether warnings and errors should be printed
+OPTION(FREEGLUT_ERRORS "Lib prints errors to stderr" ON)
+#MARK_AS_ADVANCED(FREEGLUT_ERRORS)
+OPTION(FREEGLUT_WARNINGS "Lib prints warnings to stderr" ON)
+#MARK_AS_ADVANCED(FREEGLUT_WARNINGS)
+
 # option to also copy .pdb files to install directory when executing
 # INSTALL target
 IF(MSVC)
diff --git a/freeglut/freeglut/config.h.in b/freeglut/freeglut/config.h.in
index 823ff07..11af946 100644
--- a/freeglut/freeglut/config.h.in
+++ b/freeglut/freeglut/config.h.in
@@ -23,3 +23,7 @@
 #define VERSION_MAJOR @VERSION_MAJOR@
 #define VERSION_MINOR @VERSION_MINOR@
 #define VERSION_PATCH @VERSION_PATCH@
+
+/* warning and errors printed? */
+#define FREEGLUT_WARNINGS @FREEGLUT_WARNINGS@
+#define FREEGLUT_ERRORS @FREEGLUT_ERRORS@
diff --git a/freeglut/freeglut/src/fg_main.c b/freeglut/freeglut/src/fg_main.c
index c3bccdc..0a096f4 100644
--- a/freeglut/freeglut/src/fg_main.c
+++ b/freeglut/freeglut/src/fg_main.c
@@ -261,7 +261,7 @@ void fgError( const char *fmt, ... )
         va_end( ap );
 
     } else {
-
+#if FREEGLUT_ERRORS
         va_start( ap, fmt );
 
         fprintf( stderr, "freeglut ");
@@ -271,6 +271,7 @@ void fgError( const char *fmt, ... )
         fprintf( stderr, "\n" );
 
         va_end( ap );
+#endif
 
         if ( fgState.Initialised )
             fgDeinitialize ();
@@ -293,7 +294,7 @@ void fgWarning( const char *fmt, ... )
         va_end( ap );
 
     } else {
-
+#if FREEGLUT_WARNINGS
         va_start( ap, fmt );
 
         fprintf( stderr, "freeglut ");
@@ -303,6 +304,7 @@ void fgWarning( const char *fmt, ... )
         fprintf( stderr, "\n" );
 
         va_end( ap );
+#endif
     }
 }