From 6aee185fbdaa5c5bb1216066e53ed343f468b4ae Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Mon, 5 Jul 2010 17:33:53 +0200
Subject: Update documentation and conditional TIFF/PNG compilation

---
 README       | 5 +++++
 src/render.c | 9 ++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/README b/README
index 309017a0..10196a79 100644
--- a/README
+++ b/README
@@ -73,6 +73,11 @@ $ ./configure --with-libtiff=/some/strange/location
 $ ./configure --with-gsl=/some/strange/location
 $ ./configure --disable-gtk
 
+If you're compiling on Mac OS X, where GTK, libPNG and libTIFF seem to be much
+harder to come by, disable lots of things:
+
+$ ./configure --disable-gtk --disable-png --disable-libtiff
+
 
 A note on data orientation
 --------------------------
diff --git a/src/render.c b/src/render.c
index 72d0d8f0..df2e288f 100644
--- a/src/render.c
+++ b/src/render.c
@@ -476,6 +476,7 @@ int render_png(DisplayWindow *dw, const char *filename)
 
 int render_tiff_fp(DisplayWindow *dw, const char *filename)
 {
+#ifdef HAVE_TIFF
 	TIFF *th;
 	struct image *image;
 	float *line;
@@ -514,12 +515,16 @@ int render_tiff_fp(DisplayWindow *dw, const char *filename)
 
 	TIFFClose(th);
 
+#else
+	STATUS("No TIFF support.\n");
+#endif
 	return 0;
 }
 
 
 int render_tiff_int16(DisplayWindow *dw, const char *filename)
 {
+#ifdef HAVE_TIFF
 	TIFF *th;
 	struct image *image;
 	int16_t *line;
@@ -583,6 +588,8 @@ int render_tiff_int16(DisplayWindow *dw, const char *filename)
 	_TIFFfree(line);
 
 	TIFFClose(th);
-
+#else
+	STATUS("No TIFF support.\n");
+#endif
 	return 0;
 }
-- 
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