From ae4046b5a5501daa53f2c5889ad0c1482cf9ac8d Mon Sep 17 00:00:00 2001
From: Thomas Meson <zllak@hycik.org>
Date: Tue, 8 Sep 2015 14:31:12 +0200
Subject: [PATCH] vips.h: fail to build on Debian Jessie

Debian Jessie has libvips 7.40.6.
Problem is that before 7.41, VIPS_ANGLE_DXX did not exists.
So we need to define properly the macro in order to build
for libvips < 7.41
---
 vips.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/vips.h b/vips.h
index a97fe20..9f2e101 100644
--- a/vips.h
+++ b/vips.h
@@ -64,6 +64,18 @@ vips_shrink_bridge(VipsImage *in, VipsImage **out, double xshrink, double yshrin
 int
 vips_rotate(VipsImage *in, VipsImage **out, int angle)
 {
+#if (VIPS_MAJOR_VERSION == 7 && VIPS_MINOR_VERSION < 41)
+/*
+ * Starting libvips 7.41, VIPS_ANGLE_x has been renamed to VIPS_ANGLE_Dx
+ * "to help python". So we provide the macro to correctly build for versions
+ * before 7.41.x.
+ * https://github.com/jcupitt/libvips/blob/master/ChangeLog#L128
+ */
+# define VIPS_ANGLE_D0 VIPS_ANGLE_0
+# define VIPS_ANGLE_D90 VIPS_ANGLE_90
+# define VIPS_ANGLE_D180 VIPS_ANGLE_180
+# define VIPS_ANGLE_D270 VIPS_ANGLE_270
+#endif
 	int rotate = VIPS_ANGLE_D0;
 
 	if (angle == 90) {