Mesa (10.6): glx: Fix build errors with --enable-mangling (v2)
Emil Velikov
evelikov at kemper.freedesktop.org
Sat Oct 3 12:19:06 UTC 2015
Module: Mesa
Branch: 10.6
Commit: f20d5a7bfc624da4c5cf411ab6183f0f93a2deae
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f20d5a7bfc624da4c5cf411ab6183f0f93a2deae
Author: Kyle Brenneman <kbrenneman at nvidia.com>
Date: Mon Sep 28 11:59:21 2015 -0600
glx: Fix build errors with --enable-mangling (v2)
Rearranged the GLX_ALIAS macro in glextensions.h so that it will pick up
the renames from glx_mangle.h.
Fixed the alias attribute for glXGetProcAddress when USE_MGL_NAMESPACE is
defined.
v2: Add a comment clarifying why GLX_ALIAS needs two macros.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=55552
Signed-off-by: Kyle Brenneman <kbrenneman at nvidia.com>
Cc: "10.6 11.0" <mesa-stable at lists.freedesktop.org>
Reviewed-by: Emil Velikov <emil.l.velikov at gmail.com>
(cherry picked from commit a27f2d991b1723c3349623401ce3c8f26dcdb28b)
---
src/glx/glxcmds.c | 4 ++++
src/glx/glxextensions.h | 10 ++++++++--
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c
index 26ff804..93e8db5 100644
--- a/src/glx/glxcmds.c
+++ b/src/glx/glxcmds.c
@@ -2646,7 +2646,11 @@ _X_EXPORT void (*glXGetProcAddressARB(const GLubyte * procName)) (void)
*/
_X_EXPORT void (*glXGetProcAddress(const GLubyte * procName)) (void)
#if defined(__GNUC__) && !defined(GLX_ALIAS_UNSUPPORTED)
+# if defined(USE_MGL_NAMESPACE)
+ __attribute__ ((alias("mglXGetProcAddressARB")));
+# else
__attribute__ ((alias("glXGetProcAddressARB")));
+# endif
#else
{
return glXGetProcAddressARB(procName);
diff --git a/src/glx/glxextensions.h b/src/glx/glxextensions.h
index 37e4ccc..0b70f6a 100644
--- a/src/glx/glxextensions.h
+++ b/src/glx/glxextensions.h
@@ -280,11 +280,17 @@ typedef void (*PFNGLXDISABLEEXTENSIONPROC) (const char *name);
# define GLX_ALIAS_VOID(real_func, proto_args, args, aliased_func)
#else
# if defined(__GNUC__) && !defined(GLX_ALIAS_UNSUPPORTED)
-# define GLX_ALIAS(return_type, real_func, proto_args, args, aliased_func) \
+/* GLX_ALIAS and GLX_ALIAS_VOID both expand to the macro GLX_ALIAS2. Using the
+ * extra expansion means that the name mangling macros in glx_mangle.h will
+ * apply before stringification, so the alias attribute will have a string like
+ * "mglXFoo" instead of "glXFoo". */
+# define GLX_ALIAS2(return_type, real_func, proto_args, args, aliased_func) \
return_type real_func proto_args \
__attribute__ ((alias( # aliased_func ) ));
+# define GLX_ALIAS(return_type, real_func, proto_args, args, aliased_func) \
+ GLX_ALIAS2(return_type, real_func, proto_args, args, aliased_func)
# define GLX_ALIAS_VOID(real_func, proto_args, args, aliased_func) \
- GLX_ALIAS(void, real_func, proto_args, args, aliased_func)
+ GLX_ALIAS2(void, real_func, proto_args, args, aliased_func)
# else
# define GLX_ALIAS(return_type, real_func, proto_args, args, aliased_func) \
return_type real_func proto_args \
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