From 556eecea67354068f6e328da6564bef6cb74cb4e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jfonseca@vmware.com>
Date: Tue, 18 Aug 2009 21:08:38 +0100
Subject: [PATCH] llvmpipe: Allow to build without udis86.

---
 scons/udis86.py                             | 42 +++++++++++++++++++++
 src/gallium/drivers/llvmpipe/SConscript     |  2 +-
 src/gallium/drivers/llvmpipe/lp_bld_debug.c |  6 +++
 src/gallium/winsys/xlib/SConscript          |  2 +-
 4 files changed, 50 insertions(+), 2 deletions(-)
 create mode 100644 scons/udis86.py

diff --git a/scons/udis86.py b/scons/udis86.py
new file mode 100644
index 00000000000..ba71d4eb0b8
--- /dev/null
+++ b/scons/udis86.py
@@ -0,0 +1,42 @@
+"""udis86
+
+Tool-specific initialization for udis86
+
+"""
+
+#
+# Copyright (c) 2009 VMware, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+def generate(env):
+    conf = env.Configure()
+
+    if conf.CheckHeader('udis86.h'): # and conf.CheckLib('udis86'):
+        env.Append(CPPDEFINES = [('HAVE_UDIS86', '1')])
+        env.Prepend(LIBS = ['udis86'])
+
+    conf.Finish()
+
+def exists(env):
+    return True
+
+# vim:set ts=4 sw=4 et:
diff --git a/src/gallium/drivers/llvmpipe/SConscript b/src/gallium/drivers/llvmpipe/SConscript
index b880ca0d68e..97af1b95c34 100644
--- a/src/gallium/drivers/llvmpipe/SConscript
+++ b/src/gallium/drivers/llvmpipe/SConscript
@@ -2,6 +2,7 @@ Import('*')
 
 env = env.Clone()
 
+env.Tool('udis86')
 env.ParseConfig('llvm-config --cppflags')
 
 llvmpipe = env.ConvenienceLibrary(
@@ -57,7 +58,6 @@ llvmpipe = env.ConvenienceLibrary(
 
 env = env.Clone()
 
-env.Prepend(LIBS = 'udis86')
 env['LINK'] = env['CXX']
 env.ParseConfig('llvm-config --libs jit interpreter nativecodegen bitwriter')
 env.Prepend(LIBS = [llvmpipe] + auxiliaries)
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_debug.c b/src/gallium/drivers/llvmpipe/lp_bld_debug.c
index f8da1c9f8e7..ccbafca8b86 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_debug.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_debug.c
@@ -26,7 +26,9 @@
  **************************************************************************/
 
 
+#ifdef HAVE_UDIS86
 #include <udis86.h>
+#endif
 
 #include "util/u_debug.h"
 #include "lp_bld_debug.h"
@@ -35,6 +37,7 @@
 void
 lp_disassemble(const void* func)
 {
+#ifdef HAVE_UDIS86
    ud_t ud_obj;
 
    ud_init(&ud_obj);
@@ -69,4 +72,7 @@ lp_disassemble(const void* func)
          break;
    }
    debug_printf("\n");
+#else
+   (void)func;
+#endif
 }
diff --git a/src/gallium/winsys/xlib/SConscript b/src/gallium/winsys/xlib/SConscript
index d2be07b384e..518fd2b5a84 100644
--- a/src/gallium/winsys/xlib/SConscript
+++ b/src/gallium/winsys/xlib/SConscript
@@ -31,7 +31,7 @@ if env['platform'] == 'linux' \
 
     if 'llvmpipe' in env['drivers']:
         env.Append(CPPDEFINES = 'GALLIUM_LLVMPIPE')
-        env.Prepend(LIBS = 'udis86')
+        env.Tool('udis86')
         env.ParseConfig('llvm-config --libs jit interpreter nativecodegen')
         env['LINK'] = env['CXX']
         sources += ['xlib_llvmpipe.c']
-- 
2.30.2