mesa.git
14 years agoegl: Use new error checking macros.
Chia-I Wu [Wed, 17 Feb 2010 07:43:47 +0000 (15:43 +0800)]
egl: Use new error checking macros.

Replace all uses of _EGL_DECLARE_* and _eglCheck* by _EGL_CHECK_*.

14 years agoegl: Add new error checking macros.
Chia-I Wu [Wed, 17 Feb 2010 07:22:03 +0000 (15:22 +0800)]
egl: Add new error checking macros.

Add _EGL_CHECK_* which will replace _EGL_DECLARE_* for error checking.
Move _eglCheck* earlier in the file so that the macros and the functions
are grouped together.

14 years agollvmpipe: rework do_block_16 to use bitmasks and ffs
Keith Whitwell [Wed, 17 Feb 2010 11:07:45 +0000 (11:07 +0000)]
llvmpipe: rework do_block_16 to use bitmasks and ffs

Some nice speedups:
   gears:  547 -> 597
   isosurf: 83 -> 98

Others like gloss unchanged.  Could do further work in this direction.

14 years agoglsl/pp: Remove sl_pp_get_extension_state().
Michal Krol [Wed, 17 Feb 2010 10:18:03 +0000 (11:18 +0100)]
glsl/pp: Remove sl_pp_get_extension_state().

Parse extension tokens to track current state of extension enables.

14 years agoglsl/cl: Parse layout qualifiers only when an appropriate extension enabled.
Michal Krol [Wed, 17 Feb 2010 10:07:17 +0000 (11:07 +0100)]
glsl/cl: Parse layout qualifiers only when an appropriate extension enabled.

14 years agoglsl/cl: Properly emit layout qualifier list.
Michal Krol [Wed, 17 Feb 2010 08:54:59 +0000 (09:54 +0100)]
glsl/cl: Properly emit layout qualifier list.

14 years agoglsl: Silence unused value warning.
Vinson Lee [Wed, 17 Feb 2010 10:10:49 +0000 (02:10 -0800)]
glsl: Silence unused value warning.

14 years agoprogs/redbook: Fix memory leaks on error paths.
Vinson Lee [Wed, 17 Feb 2010 09:57:14 +0000 (01:57 -0800)]
progs/redbook: Fix memory leaks on error paths.

14 years agonouveau: fix legacy dri driver build
Johannes Obermayr [Wed, 17 Feb 2010 06:16:50 +0000 (16:16 +1000)]
nouveau: fix legacy dri driver build

14 years agosl/pp: re-do extension testing code
Brian Paul [Tue, 16 Feb 2010 17:42:05 +0000 (10:42 -0700)]
sl/pp: re-do extension testing code

The #extension directive should not effect which extension preprocessor
symbols are defined/undefined; only whether/how the compiler accepts
language features defined by the extension.

14 years agonv40: Fix incorrect so_new() numbering.
Francisco Jerez [Tue, 16 Feb 2010 17:37:43 +0000 (18:37 +0100)]
nv40: Fix incorrect so_new() numbering.

14 years agonv40: Implement PIPE_CAP_MAX_COMBINED_SAMPLERS.
Francisco Jerez [Tue, 16 Feb 2010 17:36:47 +0000 (18:36 +0100)]
nv40: Implement PIPE_CAP_MAX_COMBINED_SAMPLERS.

14 years agoglx: Fix a couple of warnings
Kristian Høgsberg [Tue, 16 Feb 2010 15:37:48 +0000 (10:37 -0500)]
glx: Fix a couple of warnings

14 years agoglx: Only register wire handlers for the events the server supports
Kristian Høgsberg [Tue, 16 Feb 2010 15:27:57 +0000 (10:27 -0500)]
glx: Only register wire handlers for the events the server supports

14 years agost/dri2: Use event-driven buffer validation.
Francisco Jerez [Mon, 8 Feb 2010 18:27:58 +0000 (19:27 +0100)]
st/dri2: Use event-driven buffer validation.

14 years agodri/nouveau: Use event driven buffer validation.
Francisco Jerez [Mon, 8 Feb 2010 18:27:57 +0000 (19:27 +0100)]
dri/nouveau: Use event driven buffer validation.

14 years agodri2: Event driven buffer validation.
Francisco Jerez [Mon, 8 Feb 2010 18:27:56 +0000 (19:27 +0100)]
dri2: Event driven buffer validation.

When a buffer invalidation event is received from the X server, the
"invalidate" hook of the DRI2 flush extension is executed: A generic
implementation (dri2InvalidateDrawable) is provided that just bumps
the "pStamp" sequence number in __DRIdrawableRec.

For old servers not supporting buffer invalidation events, the
invalidate hook will be called before flushing the fake front/back
buffer (that's typically once per frame -- not a lot worse than the
situation we were in before).

No effort has been made on preserving backwards compatibility with
version 2 of the flush extension, but I think it's acceptable because
AFAIK no released stack is making use of it.

Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>
14 years agodri2: Allocate cliprect as part of the __DRIdrawableRec
Kristian Høgsberg [Mon, 15 Feb 2010 20:15:05 +0000 (15:15 -0500)]
dri2: Allocate cliprect as part of the __DRIdrawableRec

14 years agoglx: Move GetGLXDRIDrawable() prototype to glxclient.h
Kristian Høgsberg [Mon, 15 Feb 2010 16:12:28 +0000 (11:12 -0500)]
glx: Move GetGLXDRIDrawable() prototype to glxclient.h

14 years agoconfigure.ac: Lower require dri2proto version to 2.1
Kristian Høgsberg [Mon, 15 Feb 2010 15:44:05 +0000 (10:44 -0500)]
configure.ac: Lower require dri2proto version to 2.1

Additions after 2.1 are implemented in a conditional way and will be
supported if available.

14 years agomesa: Lock mutex around _mesa_HashLookup linked list chase.
Brian Paul [Tue, 16 Feb 2010 15:21:38 +0000 (08:21 -0700)]
mesa: Lock mutex around _mesa_HashLookup linked list chase.

Remove const qualifier from _mesa_HashLookup() table parameter to
avoid LOCK/UNLOCK warnings in the function body.

Signed-off-by: Brian Paul <brianp@vmware.com>
(cherry picked from commit 3094adb3caeb90124359db2356df3bf8ee94800a)

14 years agomesa: Test for failed malloc in _mesa_HashInsert.
Brian Paul [Tue, 16 Feb 2010 15:21:28 +0000 (08:21 -0700)]
mesa: Test for failed malloc in _mesa_HashInsert.

Signed-off-by: Brian Paul <brianp@vmware.com>
(cherry picked from commit 7c7247ddbf6e3f7f93e44c1cb52490044f1a2215)

14 years agoRevert "progs/redbook: Temporarily disable the demos that extensions not part of...
José Fonseca [Tue, 16 Feb 2010 11:23:18 +0000 (11:23 +0000)]
Revert "progs/redbook: Temporarily disable the demos that extensions not part of windows to fix build."

This reverts commit 1587eff1b6d6ab74c302ca2ccb767d917ce3b1dd.

14 years agoglsl/pp: Do not try to enable extension `all'.
Michal Krol [Tue, 16 Feb 2010 09:04:58 +0000 (10:04 +0100)]
glsl/pp: Do not try to enable extension `all'.

14 years agonv50: use hw idx buffers where we can
Ben Skeggs [Tue, 16 Feb 2010 05:43:51 +0000 (15:43 +1000)]
nv50: use hw idx buffers where we can

14 years agoprogs/redbook: use glew
Brian Paul [Tue, 16 Feb 2010 01:04:00 +0000 (18:04 -0700)]
progs/redbook: use glew

14 years agonouveau: fix for latest libdrm
Ben Skeggs [Mon, 15 Feb 2010 06:45:39 +0000 (16:45 +1000)]
nouveau: fix for latest libdrm

14 years agowgl: Be lenient when sharing contexts.
José Fonseca [Mon, 15 Feb 2010 19:34:38 +0000 (19:34 +0000)]
wgl: Be lenient when sharing contexts.

My first reading of MS docs was wrong. It says:

  All rendering contexts of a shared display list must use an identical
  pixel format. Otherwise the results depend on the implementation of
  OpenGL used.

That is, it is OK to share contexts with different pixel formats.

Adobe Premiere Pro tries to do that: share lists between a rgbx8 and a
rgba8 pixel format.

14 years agoprogs/redbook: Temporarily disable the demos that extensions not part of windows...
José Fonseca [Mon, 15 Feb 2010 21:47:20 +0000 (21:47 +0000)]
progs/redbook: Temporarily disable the demos that extensions not part of windows to fix build.

14 years agoscons: A less magic way of not building progs by default.
José Fonseca [Mon, 15 Feb 2010 20:48:24 +0000 (20:48 +0000)]
scons: A less magic way of not building progs by default.

The problem with the old way is that passing 'progs/subdir' as argument
would fail.

14 years agoglsl/pp: Fix handling of if/elif/else cases.
Michal Krol [Mon, 15 Feb 2010 20:33:22 +0000 (21:33 +0100)]
glsl/pp: Fix handling of if/elif/else cases.

Once if/elif evalutes to true, all subsequent conditions are always false.

14 years agoprogs/redbook: test image for new redbook tests
Brian Paul [Mon, 15 Feb 2010 16:55:44 +0000 (09:55 -0700)]
progs/redbook: test image for new redbook tests

14 years agoprogs/redbook: add additional tests for GL 1.4
Brian Paul [Mon, 15 Feb 2010 16:55:01 +0000 (09:55 -0700)]
progs/redbook: add additional tests for GL 1.4

14 years agodocs: document glMultiDrawElements() fix
Brian Paul [Mon, 15 Feb 2010 15:57:34 +0000 (08:57 -0700)]
docs: document glMultiDrawElements() fix

(cherry picked from commit ab6bcef99a53217db752659ace105ddfd9b25ebb)

14 years agovbo: fix broken glMultiDrawElements()
Brian Paul [Mon, 15 Feb 2010 15:57:17 +0000 (08:57 -0700)]
vbo: fix broken glMultiDrawElements()

Seems to be a regression from commit 60b08eb1fdf287d28ec66b9282513ab35a61aee0.

(cherry picked from commit c5a4cfb03ff17955c049f16ac805f5837ea4b633)

14 years agoglu/sgi: Add assert to check for null pointer dereference.
Vinson Lee [Mon, 15 Feb 2010 10:14:02 +0000 (02:14 -0800)]
glu/sgi: Add assert to check for null pointer dereference.

14 years agomesa: Remove pointless comparison of unsigned integer with a negative constant.
Vinson Lee [Mon, 15 Feb 2010 10:01:20 +0000 (02:01 -0800)]
mesa: Remove pointless comparison of unsigned integer with a negative constant.

14 years agoglsl/pp: Add asserts to check for null pointer deferences.
Vinson Lee [Mon, 15 Feb 2010 08:30:31 +0000 (00:30 -0800)]
glsl/pp: Add asserts to check for null pointer deferences.

14 years agodraw: Add assert to check input of memcpy.
Vinson Lee [Mon, 15 Feb 2010 06:58:26 +0000 (22:58 -0800)]
draw: Add assert to check input of memcpy.

14 years agoglu/sgi: Move initialization of members to top of Curve constructor.
Vinson Lee [Mon, 15 Feb 2010 06:26:30 +0000 (22:26 -0800)]
glu/sgi: Move initialization of members to top of Curve constructor.

This is a modification of commit 53d448657bd300ab68b2869b2fba76a627699baf.

The members cpts and spts are possibly used as arguments later in
the constructor.

14 years agoglu/sgi: Initialize members of class Curvelist.
Vinson Lee [Mon, 15 Feb 2010 06:18:41 +0000 (22:18 -0800)]
glu/sgi: Initialize members of class Curvelist.

14 years agoglu/sgi: Initialize members of class Curve.
Vinson Lee [Mon, 15 Feb 2010 06:04:59 +0000 (22:04 -0800)]
glu/sgi: Initialize members of class Curve.

14 years agoglu/sgi: Initialize member of class Pool.
Vinson Lee [Mon, 15 Feb 2010 05:45:01 +0000 (21:45 -0800)]
glu/sgi: Initialize member of class Pool.

14 years agoglx: Silence uninitialized variable warning.
Vinson Lee [Mon, 15 Feb 2010 05:02:18 +0000 (21:02 -0800)]
glx: Silence uninitialized variable warning.

14 years agost/mesa: minor assorted clean-ups
Brian Paul [Mon, 15 Feb 2010 04:54:17 +0000 (21:54 -0700)]
st/mesa: minor assorted clean-ups

14 years agost/mesa: change some function return types
Brian Paul [Mon, 15 Feb 2010 04:46:51 +0000 (21:46 -0700)]
st/mesa: change some function return types

14 years agost/mesa: move per-fragment shader fields to local vars
Brian Paul [Mon, 15 Feb 2010 03:47:34 +0000 (20:47 -0700)]
st/mesa: move per-fragment shader fields to local vars

14 years agost/mesa: use _mesa_clone_fragment_program()
Brian Paul [Mon, 15 Feb 2010 01:50:49 +0000 (18:50 -0700)]
st/mesa: use _mesa_clone_fragment_program()

14 years agor600: use new program cloning functions
Brian Paul [Mon, 15 Feb 2010 01:46:56 +0000 (18:46 -0700)]
r600: use new program cloning functions

14 years agor300: use new program cloning functions
Brian Paul [Mon, 15 Feb 2010 01:46:51 +0000 (18:46 -0700)]
r300: use new program cloning functions

14 years agoglsl: use new program cloning functions
Brian Paul [Mon, 15 Feb 2010 01:46:37 +0000 (18:46 -0700)]
glsl: use new program cloning functions

14 years agomesa: added _mesa_clone_vertex/fragment_program()
Brian Paul [Mon, 15 Feb 2010 02:09:04 +0000 (19:09 -0700)]
mesa: added _mesa_clone_vertex/fragment_program()

To reduce casting elsewhere...

14 years agor600: Silence uninitialized variable warnings.
Vinson Lee [Mon, 15 Feb 2010 04:49:09 +0000 (20:49 -0800)]
r600: Silence uninitialized variable warnings.

14 years agor300g: fix the size of constant buffers
Marek Olšák [Sun, 14 Feb 2010 23:04:32 +0000 (00:04 +0100)]
r300g: fix the size of constant buffers

4 more piglit tests pass, sweet.

14 years agopython/retrace: Reconstruct blend state from binary blobs.
José Fonseca [Mon, 15 Feb 2010 00:25:43 +0000 (00:25 +0000)]
python/retrace: Reconstruct blend state from binary blobs.

14 years agopython: Reconstruct blend state objects from binary blobs.
José Fonseca [Mon, 15 Feb 2010 00:22:59 +0000 (00:22 +0000)]
python: Reconstruct blend state objects from binary blobs.

14 years agotrace: Dump blend state as a binary blob.
José Fonseca [Mon, 15 Feb 2010 00:22:29 +0000 (00:22 +0000)]
trace: Dump blend state as a binary blob.

Gallium interfaces are too fluid -- XML or not is just too much work
trying to accommodate for differences in traces.

SWIG generated bindings are also full of quirks, making unmarshalling
the XML from too hard.

Finally, this is the first step for faster tracing.

14 years agotrace: Fix constant buffer unwrapping.
José Fonseca [Mon, 15 Feb 2010 00:19:22 +0000 (00:19 +0000)]
trace: Fix constant buffer unwrapping.

Pointer unwrapping should happen before dump the pointer, so that
the real pipe driver pointers are shown, instead of the trace driver's.

14 years agoutil: Avoid dumping masked state. Other minor improvements.
José Fonseca [Sun, 14 Feb 2010 23:54:22 +0000 (23:54 +0000)]
util: Avoid dumping masked state. Other minor improvements.

14 years agoos: A stream for debug logging.
José Fonseca [Sun, 14 Feb 2010 23:53:42 +0000 (23:53 +0000)]
os: A stream for debug logging.

Just a wrapper around os_log_message. Although it would probably make
more sense to be the other way around.

Also some comment fixes.

14 years agotrace: No need to dump reference counts.
José Fonseca [Sun, 14 Feb 2010 23:25:01 +0000 (23:25 +0000)]
trace: No need to dump reference counts.

14 years agopython: Pretty-printing of blend state.
José Fonseca [Sun, 14 Feb 2010 23:24:08 +0000 (23:24 +0000)]
python: Pretty-printing of blend state.

14 years agoutil: Helper functions to dump all state objects.
José Fonseca [Sun, 14 Feb 2010 23:20:42 +0000 (23:20 +0000)]
util: Helper functions to dump all state objects.

14 years agoos: Add a growable string stream.
José Fonseca [Sun, 14 Feb 2010 23:07:21 +0000 (23:07 +0000)]
os: Add a growable string stream.

14 years agoos: Complement/improve stream inline helpers.
José Fonseca [Sun, 14 Feb 2010 23:04:04 +0000 (23:04 +0000)]
os: Complement/improve stream inline helpers.

14 years agoos: Fix bad calloc.
José Fonseca [Sun, 14 Feb 2010 23:03:10 +0000 (23:03 +0000)]
os: Fix bad calloc.

14 years agotrace: Update for os_stream changes.
José Fonseca [Sun, 14 Feb 2010 16:55:38 +0000 (16:55 +0000)]
trace: Update for os_stream changes.

14 years agoutil: Update for os_stream changes.
José Fonseca [Sun, 14 Feb 2010 16:55:25 +0000 (16:55 +0000)]
util: Update for os_stream changes.

14 years agoos: Make streams abstract.
José Fonseca [Sun, 14 Feb 2010 16:55:04 +0000 (16:55 +0000)]
os: Make streams abstract.

Also replace windows kernel stream with null implementation. It was
severely limited and no easy means to test it now.

14 years agoglut: Silence uninitialized variable warning.
Vinson Lee [Sun, 14 Feb 2010 21:47:58 +0000 (13:47 -0800)]
glut: Silence uninitialized variable warning.

14 years agollvmpipe: Silence unused value warning.
Vinson Lee [Sun, 14 Feb 2010 21:23:21 +0000 (13:23 -0800)]
llvmpipe: Silence unused value warning.

14 years agosvga: Silence uninitialized variable warning.
Vinson Lee [Sun, 14 Feb 2010 21:10:08 +0000 (13:10 -0800)]
svga: Silence uninitialized variable warning.

14 years agor300: add half_float_vertex support
Marek Olšák [Sun, 14 Feb 2010 20:58:00 +0000 (21:58 +0100)]
r300: add half_float_vertex support

14 years agomesa: Don't pass paramter to __builtin_clz which would hve undefined result.
Pauli Nieminen [Sun, 14 Feb 2010 12:16:20 +0000 (14:16 +0200)]
mesa: Don't pass paramter to __builtin_clz which would hve undefined result.

__builtin_clz with parameter 0 has undefined value. When
using -O3 optimizing this would result to too large next
power of two value.

Fix is to check if passed value is 1 and modify formula
for that case.

14 years agor300g: set the correct tiling flags for renderbuffers
Marek Olšák [Fri, 12 Feb 2010 01:48:03 +0000 (02:48 +0100)]
r300g: set the correct tiling flags for renderbuffers

MACRO_SWITCH is applied to samplers but not renderbuffers. This commit
fixes incorrect rendering to large and small mipmaps where the large ones
are macrotiled and the small ones are not and both are emitted
in the same CS.

Note that this is still disabled by default (rework of texture transfers
is next).

14 years agor300g: add macrotiling support to texture setup
Marek Olšák [Mon, 8 Feb 2010 02:17:24 +0000 (03:17 +0100)]
r300g: add macrotiling support to texture setup

14 years agoradeong: flush when changing tiling flags of BO referenced by CS
Marek Olšák [Thu, 11 Feb 2010 23:48:44 +0000 (00:48 +0100)]
radeong: flush when changing tiling flags of BO referenced by CS

14 years agor300g: accelerate blitting for all formats by faking the texture format
Marek Olšák [Sun, 14 Feb 2010 03:57:03 +0000 (04:57 +0100)]
r300g: accelerate blitting for all formats by faking the texture format

14 years agosrc/glu/mesa: fix mem leak (bug 26559)
Brian Paul [Sun, 14 Feb 2010 17:02:42 +0000 (10:02 -0700)]
src/glu/mesa: fix mem leak (bug 26559)

14 years agosrc/glu/mini: fix mem leak (bug 26559)
Brian Paul [Sun, 14 Feb 2010 17:02:32 +0000 (10:02 -0700)]
src/glu/mini: fix mem leak (bug 26559)

14 years agoprogs/objviewer: close file (bug 26559)
Brian Paul [Sun, 14 Feb 2010 17:02:01 +0000 (10:02 -0700)]
progs/objviewer: close file (bug 26559)

14 years agoprogs/fp: close file (bug 26559)
Brian Paul [Sun, 14 Feb 2010 16:51:49 +0000 (09:51 -0700)]
progs/fp: close file (bug 26559)

14 years agor300g: fix texture formats: A4R4G4B4_UNORM, A1R5G5B5_UNORM, R5G6B5_UNORM
Marek Olšák [Sun, 7 Feb 2010 10:36:00 +0000 (11:36 +0100)]
r300g: fix texture formats: A4R4G4B4_UNORM, A1R5G5B5_UNORM, R5G6B5_UNORM

14 years agoscons: Control caching via new SCONS_CACHE_DIR environment variable.
José Fonseca [Sun, 14 Feb 2010 15:34:39 +0000 (15:34 +0000)]
scons: Control caching via new SCONS_CACHE_DIR environment variable.

This serves several purposes:
- disable caching in situations were is it useless or undesired
- share caches among all trees
- simplify purging the cache (when it's a single location)
- move the cache out of the tree, since that slows downs IDEs considerably

To retain previous behavior just define do

  export SCONS_CACHE_DIR=$PWD/build/cache

before invoking scons.

14 years agollvmpipe: s/debug_dump_/util_dump_/
José Fonseca [Sun, 14 Feb 2010 15:21:06 +0000 (15:21 +0000)]
llvmpipe: s/debug_dump_/util_dump_/

14 years agogallivm: s/debug_dump_/util_dump_/
José Fonseca [Sun, 14 Feb 2010 15:20:57 +0000 (15:20 +0000)]
gallivm: s/debug_dump_/util_dump_/

14 years agoutil: Rename u_debug_dump.[ch] -> u_dump.[ch].
José Fonseca [Sun, 14 Feb 2010 15:20:34 +0000 (15:20 +0000)]
util: Rename u_debug_dump.[ch] -> u_dump.[ch].

I have more plans for this than mere debugging -- it will be an helper
to provide human readible representations of all gallium state for
the python state tracker.

14 years agomesa: Add missing include.
José Fonseca [Sun, 14 Feb 2010 13:28:29 +0000 (13:28 +0000)]
mesa: Add missing include.

14 years agogallium: Remove previously forgotten pf_name() prototype.
José Fonseca [Sun, 14 Feb 2010 13:28:17 +0000 (13:28 +0000)]
gallium: Remove previously forgotten pf_name() prototype.

14 years agodraw: Use util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:27:00 +0000 (13:27 +0000)]
draw: Use util_format_name().

14 years agoutil: Use util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:26:51 +0000 (13:26 +0000)]
util: Use util_format_name().

14 years agocell: Use util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:26:46 +0000 (13:26 +0000)]
cell: Use util_format_name().

14 years agollvmpipe: Use util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:26:37 +0000 (13:26 +0000)]
llvmpipe: Use util_format_name().

14 years agonv: Use util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:26:30 +0000 (13:26 +0000)]
nv: Use util_format_name().

14 years agor300g: Use util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:25:22 +0000 (13:25 +0000)]
r300g: Use util_format_name().

14 years agotrace: Use util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:25:06 +0000 (13:25 +0000)]
trace: Use util_format_name().

14 years agoxorg: Use util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:24:58 +0000 (13:24 +0000)]
xorg: Use util_format_name().

14 years agomesa: Use util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:24:43 +0000 (13:24 +0000)]
mesa: Use util_format_name().

14 years agoutil: Add pf_name() replacement: util_format_name().
José Fonseca [Sun, 14 Feb 2010 13:23:32 +0000 (13:23 +0000)]
util: Add pf_name() replacement: util_format_name().

14 years agomakefiles: Don't complaint about changing configs if the same one is reselected.
José Fonseca [Sun, 14 Feb 2010 13:15:49 +0000 (13:15 +0000)]
makefiles: Don't complaint about changing configs if the same one is reselected.

Otherwise it creates unnecessary pain when automating builds in a build
server/farm.