From c84fa89281bb0cfd044ed5b2e6e4d3df785b53d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Thu, 9 Jan 2014 15:46:58 +0100
Subject: [PATCH] Properly error out when using unsupported header.

---
 src/BufferImage.h         | 2 ++
 src/BufferTexture.h       | 2 ++
 src/CubeMapTextureArray.h | 2 ++
 src/ImageFormat.h         | 4 +++-
 src/Swizzle.h             | 7 ++++---
 5 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/BufferImage.h b/src/BufferImage.h
index d60e0692b..aaab79b19 100644
--- a/src/BufferImage.h
+++ b/src/BufferImage.h
@@ -144,6 +144,8 @@ template<UnsignedInt dimensions> inline BufferImage<dimensions>& BufferImage<dim
     std::swap(_buffer, other._buffer);
     return *this;
 }
+#else
+#error this header is available only on desktop OpenGL and OpenGL ES 3.0 build
 #endif
 
 }
diff --git a/src/BufferTexture.h b/src/BufferTexture.h
index a322d649b..e8b986c03 100644
--- a/src/BufferTexture.h
+++ b/src/BufferTexture.h
@@ -280,6 +280,8 @@ class MAGNUM_EXPORT BufferTexture: private AbstractTexture {
 };
 
 }
+#else
+#error this header is available only on desktop OpenGL build
 #endif
 
 #endif
diff --git a/src/CubeMapTextureArray.h b/src/CubeMapTextureArray.h
index b89cf6b02..bb5d9e9ce 100644
--- a/src/CubeMapTextureArray.h
+++ b/src/CubeMapTextureArray.h
@@ -251,6 +251,8 @@ class CubeMapTextureArray: public AbstractTexture {
 };
 
 }
+#else
+#error this header is available only on desktop OpenGL build
 #endif
 
 #endif
diff --git a/src/ImageFormat.h b/src/ImageFormat.h
index 68b65db46..3d4bf688f 100644
--- a/src/ImageFormat.h
+++ b/src/ImageFormat.h
@@ -24,10 +24,12 @@
     DEALINGS IN THE SOFTWARE.
 */
 
+#ifdef MAGNUM_BUILD_DEPRECATED
 /** @file
  * @brief Enum @ref Magnum::ImageFormat, @ref Magnum::ImageType
  * @deprecated Use @ref ColorFormat.h instead.
  */
+#endif
 
 #include "ColorFormat.h"
 
@@ -48,7 +50,7 @@ typedef CORRADE_DEPRECATED("use ColorType instead") ColorType ImageType;
 
 }
 #else
-#error
+#error this header is available only on deprecated build
 #endif
 
 #endif
diff --git a/src/Swizzle.h b/src/Swizzle.h
index 84b176aff..cb8f06c17 100644
--- a/src/Swizzle.h
+++ b/src/Swizzle.h
@@ -24,16 +24,17 @@
     DEALINGS IN THE SOFTWARE.
 */
 
+#ifdef MAGNUM_BUILD_DEPRECATED
 /** @file /Swizzle.h
  * @brief Function @ref Magnum::swizzle()
  * @deprecated Use @ref Math/Swizzle.h instead.
  */
+#endif
 
 #include "Math/Swizzle.h"
-
-#ifdef MAGNUM_BUILD_DEPRECATED
 #include "Color.h"
 
+#ifdef MAGNUM_BUILD_DEPRECATED
 namespace Magnum {
 
 /**
@@ -48,7 +49,7 @@ using Math::swizzle;
 
 }
 #else
-#error
+#error this header is available only on deprecated build
 #endif
 
 #endif