mesa: move a bunch of compiler-related stuff into new compiler.h header

This trims down and cleans up imports.h and glheader.h quite a bit.

18 files changed, 515 insertions, 444 deletions

diff --git a/src/mesa/drivers/x11/glxapi.c b/src/mesa/drivers/x11/glxapi.c
index c2ccce6f520..19aca605bce 100644
--- a/src/mesa/drivers/x11/glxapi.c
+++ b/src/mesa/drivers/x11/glxapi.c
@@ -35,6 +35,7 @@
 #include <stdio.h>
 #include <string.h>
 #include "main/glheader.h"
+#include "main/compiler.h"
 #include "glapi/glapi.h"
 #include "glxapi.h"
 
diff --git a/src/mesa/glapi/gl_enums.py b/src/mesa/glapi/gl_enums.py
index 67fec7968a9..b32e0126631 100644
--- a/src/mesa/glapi/gl_enums.py
+++ b/src/mesa/glapi/gl_enums.py
@@ -43,6 +43,7 @@ class PrintGlEnums(gl_XML.gl_print_base):
 
 	def printRealHeader(self):
 		print '#include "glheader.h"'
+		print '#include "mfeatures.h"'
 		print '#include "enums.h"'
 		print '#include "imports.h"'
 		print ''
@@ -55,8 +56,6 @@ class PrintGlEnums(gl_XML.gl_print_base):
 
 	def print_code(self):
 		print """
-#define Elements(x) sizeof(x)/sizeof(*x)
-
 typedef int (*cfunc)(const void *, const void *);
 
 /**
diff --git a/src/mesa/glapi/glapi.c b/src/mesa/glapi/glapi.c
index 9b5144a88b6..e20618abc1d 100644
--- a/src/mesa/glapi/glapi.c
+++ b/src/mesa/glapi/glapi.c
@@ -61,6 +61,8 @@
 
 #endif
 
+#include "main/compiler.h"
+
 #include <stdlib.h>
 #include <string.h>
 #ifdef DEBUG
diff --git a/src/mesa/glapi/glapi_getproc.c b/src/mesa/glapi/glapi_getproc.c
index 1238c4cf931..4adc1aece0f 100644
--- a/src/mesa/glapi/glapi_getproc.c
+++ b/src/mesa/glapi/glapi_getproc.c
@@ -33,6 +33,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include "main/glheader.h"
+#include "main/compiler.h"
 #include "glapi.h"
 #include "glapioffsets.h"
 #include "glapitable.h"
diff --git a/src/mesa/glapi/glthread.c b/src/mesa/glapi/glthread.c
index 56ddf7c25ac..e3abb0f4aee 100644
--- a/src/mesa/glapi/glthread.c
+++ b/src/mesa/glapi/glthread.c
@@ -32,7 +32,7 @@
 #include <dix-config.h>
 #endif
 
-#include "main/glheader.h"
+#include "main/compiler.h"
 #include "glthread.h"
 
 
diff --git a/src/mesa/main/api_exec.c b/src/mesa/main/api_exec.c
index f8ee0d59dda..c2c29c4f3dd 100644
--- a/src/mesa/main/api_exec.c
+++ b/src/mesa/main/api_exec.c
@@ -29,7 +29,7 @@
  */
 
 
-#include "glheader.h"
+#include "mfeatures.h"
 #if FEATURE_accum
 #include "accum.h"
 #endif
diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h
new file mode 100644
index 00000000000..39b19bb7767
--- /dev/null
+++ b/src/mesa/main/compiler.h
@@ -0,0 +1,479 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.5
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
+ *
+ * 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
+ * BRIAN PAUL 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.
+ */
+
+
+/**
+ * \file compiler.h
+ * Compiler-related stuff.
+ */
+
+
+#ifndef COMPILER_H
+#define COMPILER_H
+
+
+#include <assert.h>
+#include <ctype.h>
+#if defined(__alpha__) && defined(CCPML)
+#include <cpml.h> /* use Compaq's Fast Math Library on Alpha */
+#else
+#include <math.h>
+#endif
+#include <limits.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#if defined(__linux__) && defined(__i386__)
+#include <fpu_control.h>
+#endif
+#include <float.h>
+#include <stdarg.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * Get standard integer types
+ */
+#if defined(_MSC_VER)
+   typedef __int8             int8_t;
+   typedef unsigned __int8    uint8_t;
+   typedef __int16            int16_t;
+   typedef unsigned __int16   uint16_t;
+#  ifndef __eglplatform_h_
+     typedef __int32            int32_t;
+#  endif
+   typedef unsigned __int32   uint32_t;
+   typedef __int64            int64_t;
+   typedef unsigned __int64   uint64_t;
+
+#  if defined(_WIN64)
+     typedef __int64            intptr_t;
+     typedef unsigned __int64   uintptr_t;
+#  else
+     typedef __int32            intptr_t;
+     typedef unsigned __int32   uintptr_t;
+#  endif
+
+#  define INT64_C(__val) __val##i64
+#  define UINT64_C(__val) __val##ui64
+#else
+#  include <stdint.h>
+#endif
+
+
+/**
+  * Sun compilers define __i386 instead of the gcc-style __i386__
+ */
+#ifdef __SUNPRO_C
+# if !defined(__i386__) && defined(__i386)
+#  define __i386__
+# elif !defined(__amd64__) && defined(__amd64)
+#  define __amd64__
+# elif !defined(__sparc__) && defined(__sparc)
+#  define __sparc__
+# endif
+# if !defined(__volatile)
+#  define __volatile volatile
+# endif
+#endif
+
+
+/**
+ * finite macro.
+ */
+#if defined(_WIN32) && !defined(__WIN32__) && !defined(__CYGWIN__) && !defined(BUILD_FOR_SNAP)
+#  define __WIN32__
+#  define finite _finite
+#endif
+#if defined(__WATCOMC__)
+#  define finite _finite
+#  pragma disable_message(201) /* Disable unreachable code warnings */
+#endif
+
+
+/**
+ * Disable assorted warnings
+ */
+#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP)
+#  if !defined(__GNUC__) /* mingw environment */
+#    pragma warning( disable : 4068 ) /* unknown pragma */
+#    pragma warning( disable : 4710 ) /* function 'foo' not inlined */
+#    pragma warning( disable : 4711 ) /* function 'foo' selected for automatic inline expansion */
+#    pragma warning( disable : 4127 ) /* conditional expression is constant */
+#    if defined(MESA_MINWARN)
+#      pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */
+#      pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */
+#      pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */
+#      pragma warning( disable : 4550 ) /* 'function' undefined; assuming extern returning int */
+#      pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */
+#    endif
+#  endif
+#endif
+
+
+/**
+ * Function inlining
+ */
+#if defined(__GNUC__)
+#  define INLINE __inline__
+#elif defined(__MSC__)
+#  define INLINE __inline
+#elif defined(_MSC_VER)
+#  define INLINE __inline
+#elif defined(__ICL)
+#  define INLINE __inline
+#elif defined(__INTEL_COMPILER)
+#  define INLINE inline
+#elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
+#  define INLINE __inline
+#elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
+#  define INLINE inline
+#  define __inline inline
+#  define __inline__ inline
+#elif (__STDC_VERSION__ >= 199901L) /* C99 */
+#  define INLINE inline
+#else
+#  define INLINE
+#endif
+
+
+/**
+ * PUBLIC/USED macros
+ *
+ * If we build the library with gcc's -fvisibility=hidden flag, we'll
+ * use the PUBLIC macro to mark functions that are to be exported.
+ *
+ * We also need to define a USED attribute, so the optimizer doesn't 
+ * inline a static function that we later use in an alias. - ajax
+ */
+#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 303
+#  define PUBLIC __attribute__((visibility("default")))
+#  define USED __attribute__((used))
+#else
+#  define PUBLIC
+#  define USED
+#endif
+
+
+/**
+ * Some compilers don't like some of Mesa's const usage.  In those places use
+ * CONST instead of const.  Pass -DNO_CONST to compilers where this matters.
+ */
+#ifdef NO_CONST
+#  define CONST
+#else
+#  define CONST const
+#endif
+
+
+/**
+ * __builtin_expect macros
+ */
+#if (!defined(__GNUC__) || __GNUC__ < 3) && (!defined(__IBMC__) || __IBMC__ < 900)
+#  define __builtin_expect(x, y) x
+#endif
+
+
+/**
+ * The __FUNCTION__ gcc variable is generally only used for debugging.
+ * If we're not using gcc, define __FUNCTION__ as a cpp symbol here.
+ * Don't define it if using a newer Windows compiler.
+ */
+#ifndef __FUNCTION__
+# if defined(__VMS)
+#  define __FUNCTION__ "VMS$NL:"
+# elif ((!defined __GNUC__) || (__GNUC__ < 2)) && (!defined __xlC__) && \
+      (!defined(_MSC_VER) || _MSC_VER < 1300)
+#  if (__STDC_VERSION__ >= 199901L) /* C99 */ || \
+    (defined(__SUNPRO_C) && defined(__C99FEATURES__))
+#   define __FUNCTION__ __func__
+#  else
+#   define __FUNCTION__ "<unknown>"
+#  endif
+# endif
+#endif
+
+
+/**
+ * Either define MESA_BIG_ENDIAN or MESA_LITTLE_ENDIAN.
+ * Do not use them unless absolutely necessary!
+ * Try to use a runtime test instead.
+ * For now, only used by some DRI hardware drivers for color/texel packing.
+ */
+#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
+#if defined(__linux__)
+#include <byteswap.h>
+#define CPU_TO_LE32( x )	bswap_32( x )
+#else /*__linux__*/
+#include <sys/endian.h>
+#define CPU_TO_LE32( x )	bswap32( x )
+#endif /*__linux__*/
+#define MESA_BIG_ENDIAN 1
+#else
+#define CPU_TO_LE32( x )	( x )
+#define MESA_LITTLE_ENDIAN 1
+#endif
+#define LE32_TO_CPU( x )	CPU_TO_LE32( x )
+
+
+
+#if !defined(CAPI) && defined(WIN32) && !defined(BUILD_FOR_SNAP)
+#define CAPI _cdecl
+#endif
+
+
+/**
+ * Create a macro so that asm functions can be linked into compilers other
+ * than GNU C
+ */
+#ifndef _ASMAPI
+#if defined(WIN32) && !defined(BUILD_FOR_SNAP)/* was: !defined( __GNUC__ ) && !defined( VMS ) && !defined( __INTEL_COMPILER )*/
+#define _ASMAPI __cdecl
+#else
+#define _ASMAPI
+#endif
+#ifdef	PTR_DECL_IN_FRONT
+#define	_ASMAPIP * _ASMAPI
+#else
+#define	_ASMAPIP _ASMAPI *
+#endif
+#endif
+
+#ifdef USE_X86_ASM
+#define _NORMAPI _ASMAPI
+#define _NORMAPIP _ASMAPIP
+#else
+#define _NORMAPI
+#define _NORMAPIP *
+#endif
+
+
+/* This is a macro on IRIX */
+#ifdef _P
+#undef _P
+#endif
+
+
+/* Turn off macro checking systems used by other libraries */
+#ifdef CHECK
+#undef CHECK
+#endif
+
+
+/**
+ * ASSERT macro
+ */
+#if !defined(_WIN32_WCE)
+#if defined(BUILD_FOR_SNAP) && defined(CHECKED)
+#  define ASSERT(X)   _CHECK(X) 
+#elif defined(DEBUG)
+#  define ASSERT(X)   assert(X)
+#else
+#  define ASSERT(X)
+#endif
+#endif
+
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+
+/**
+ * LONGSTRING macro
+ * gcc -pedantic warns about long string literals, LONGSTRING silences that.
+ */
+#if !defined(__GNUC__) || (__GNUC__ < 2) || \
+    ((__GNUC__ == 2) && (__GNUC_MINOR__ <= 7))
+# define LONGSTRING
+#else
+# define LONGSTRING __extension__
+#endif
+
+
+#ifndef M_PI
+#define M_PI (3.1415926536)
+#endif
+
+#ifndef M_E
+#define M_E (2.7182818284590452354)
+#endif
+
+#ifndef ONE_DIV_LN2
+#define ONE_DIV_LN2 (1.442695040888963456)
+#endif
+
+#ifndef ONE_DIV_SQRT_LN2
+#define ONE_DIV_SQRT_LN2 (1.201122408786449815)
+#endif
+
+#ifndef FLT_MAX_EXP
+#define FLT_MAX_EXP 128
+#endif
+
+
+/**
+ * USE_IEEE: Determine if we're using IEEE floating point
+ */
+#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \
+    defined(__s390x__) || defined(__powerpc__) || \
+    defined(__x86_64__) || \
+    defined(ia64) || defined(__ia64__) || \
+    defined(__hppa__) || defined(hpux) || \
+    defined(__mips) || defined(_MIPS_ARCH) || \
+    defined(__arm__) || \
+    defined(__sh__) || defined(__m32r__) || \
+    (defined(__sun) && defined(_IEEE_754)) || \
+    (defined(__alpha__) && (defined(__IEEE_FLOAT) || !defined(VMS)))
+#define USE_IEEE
+#define IEEE_ONE 0x3f800000
+#endif
+
+
+/**
+ * START/END_FAST_MATH macros:
+ *
+ * START_FAST_MATH: Set x86 FPU to faster, 32-bit precision mode (and save
+ *                  original mode to a temporary).
+ * END_FAST_MATH: Restore x86 FPU to original mode.
+ */
+#if defined(__GNUC__) && defined(__i386__)
+/*
+ * Set the x86 FPU control word to guarentee only 32 bits of precision
+ * are stored in registers.  Allowing the FPU to store more introduces
+ * differences between situations where numbers are pulled out of memory
+ * vs. situations where the compiler is able to optimize register usage.
+ *
+ * In the worst case, we force the compiler to use a memory access to
+ * truncate the float, by specifying the 'volatile' keyword.
+ */
+/* Hardware default: All exceptions masked, extended double precision,
+ * round to nearest (IEEE compliant):
+ */
+#define DEFAULT_X86_FPU		0x037f
+/* All exceptions masked, single precision, round to nearest:
+ */
+#define FAST_X86_FPU		0x003f
+/* The fldcw instruction will cause any pending FP exceptions to be
+ * raised prior to entering the block, and we clear any pending
+ * exceptions before exiting the block.  Hence, asm code has free
+ * reign over the FPU while in the fast math block.
+ */
+#if defined(NO_FAST_MATH)
+#define START_FAST_MATH(x)						\
+do {									\
+   static GLuint mask = DEFAULT_X86_FPU;				\
+   __asm__ ( "fnstcw %0" : "=m" (*&(x)) );				\
+   __asm__ ( "fldcw %0" : : "m" (mask) );				\
+} while (0)
+#else
+#define START_FAST_MATH(x)						\
+do {									\
+   static GLuint mask = FAST_X86_FPU;					\
+   __asm__ ( "fnstcw %0" : "=m" (*&(x)) );				\
+   __asm__ ( "fldcw %0" : : "m" (mask) );				\
+} while (0)
+#endif
+/* Restore original FPU mode, and clear any exceptions that may have
+ * occurred in the FAST_MATH block.
+ */
+#define END_FAST_MATH(x)						\
+do {									\
+   __asm__ ( "fnclex ; fldcw %0" : : "m" (*&(x)) );			\
+} while (0)
+
+#elif defined(__WATCOMC__) && defined(__386__)
+#define DEFAULT_X86_FPU		0x037f /* See GCC comments above */
+#define FAST_X86_FPU		0x003f /* See GCC comments above */
+void _watcom_start_fast_math(unsigned short *x,unsigned short *mask);
+#pragma aux _watcom_start_fast_math =                                   \
+   "fnstcw  word ptr [eax]"                                             \
+   "fldcw   word ptr [ecx]"                                             \
+   parm [eax] [ecx]                                                     \
+   modify exact [];
+void _watcom_end_fast_math(unsigned short *x);
+#pragma aux _watcom_end_fast_math =                                     \
+   "fnclex"                                                             \
+   "fldcw   word ptr [eax]"                                             \
+   parm [eax]                                                           \
+   modify exact [];
+#if defined(NO_FAST_MATH)
+#define START_FAST_MATH(x)                                              \
+do {                                                                    \
+   static GLushort mask = DEFAULT_X86_FPU;	                        \
+   _watcom_start_fast_math(&x,&mask);                                   \
+} while (0)
+#else
+#define START_FAST_MATH(x)                                              \
+do {                                                                    \
+   static GLushort mask = FAST_X86_FPU;                                 \
+   _watcom_start_fast_math(&x,&mask);                                   \
+} while (0)
+#endif
+#define END_FAST_MATH(x)  _watcom_end_fast_math(&x)
+
+#elif defined(_MSC_VER) && defined(_M_IX86)
+#define DEFAULT_X86_FPU		0x037f /* See GCC comments above */
+#define FAST_X86_FPU		0x003f /* See GCC comments above */
+#if defined(NO_FAST_MATH)
+#define START_FAST_MATH(x) do {\
+	static GLuint mask = DEFAULT_X86_FPU;\
+	__asm fnstcw word ptr [x]\
+	__asm fldcw word ptr [mask]\
+} while(0)
+#else
+#define START_FAST_MATH(x) do {\
+	static GLuint mask = FAST_X86_FPU;\
+	__asm fnstcw word ptr [x]\
+	__asm fldcw word ptr [mask]\
+} while(0)
+#endif
+#define END_FAST_MATH(x) do {\
+	__asm fnclex\
+	__asm fldcw word ptr [x]\
+} while(0)
+
+#else
+#define START_FAST_MATH(x)  x = 0
+#define END_FAST_MATH(x)  (void)(x)
+#endif
+
+
+
+#define Elements(x) (sizeof(x)/sizeof(*(x)))
+
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* COMPILER_H */
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 7044b61e4ad..bb3e980bfaa 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.3
+ * Version:  7.5
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  * Copyright (C) 2008  VMware, Inc.  All Rights Reserved.
@@ -32,9 +32,6 @@
 #define MESA_CONFIG_H_INCLUDED
 
 
-#include "main/mfeatures.h"
-
-
 /**
  * \name OpenGL implementation limits
  */
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 75b3992a29d..a94bbf3fdf5 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -77,6 +77,7 @@
 
 
 #include "glheader.h"
+#include "mfeatures.h"
 #include "imports.h"
 #if FEATURE_accum
 #include "accum.h"
diff --git a/src/mesa/main/dispatch.c b/src/mesa/main/dispatch.c
index 34127cb248a..bf1a0137896 100644
--- a/src/mesa/main/dispatch.c
+++ b/src/mesa/main/dispatch.c
@@ -40,6 +40,7 @@
 #ifndef GLX_USE_APPLEGL
 
 #include "main/glheader.h"
+#include "main/compiler.h"
 #include "glapi/glapi.h"
 #include "glapi/glapitable.h"
 #include "glapi/glthread.h"
diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 76b33150346..d4bd56be83a 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -33,6 +33,7 @@
 #include "api_arrayelt.h"
 #include "api_loopback.h"
 #include "config.h"
+#include "mfeatures.h"
 #include "attrib.h"
 #include "blend.h"
 #include "buffers.h"
diff --git a/src/mesa/main/enums.c b/src/mesa/main/enums.c
index a864f5a0704..ca5db92265f 100644
--- a/src/mesa/main/enums.c
+++ b/src/mesa/main/enums.c
@@ -26,6 +26,7 @@
  */
 
 #include "glheader.h"
+#include "mfeatures.h"
 #include "enums.h"
 #include "imports.h"
 
@@ -4973,8 +4974,6 @@ static const unsigned reduced_enums[1308] =
         30, /* GL_ALL_CLIENT_ATTRIB_BITS */
 };
 
-#define Elements(x) sizeof(x)/sizeof(*x)
-
 typedef int (*cfunc)(const void *, const void *);
 
 /**
diff --git a/src/mesa/main/glheader.h b/src/mesa/main/glheader.h
index 5657976711e..482a36de93e 100644
--- a/src/mesa/main/glheader.h
+++ b/src/mesa/main/glheader.h
@@ -1,28 +1,8 @@
-/**
- * \file glheader.h
- * Top-most include file.
- *
- * This is the top-most include file of the Mesa sources.
- * It includes gl.h and all system headers which are needed.
- * Other Mesa source files should \e not directly include any system
- * headers.  This allows system-dependent hacks/workarounds to be
- * collected in one place.
- *
- * \note Actually, a lot of system-dependent stuff is now in imports.[ch].
- *
- * If you touch this file, everything gets recompiled!
- *
- * This file should be included before any other header in the .c files.
- *
- * Put compiler/OS/assembly pragmas and macros here to avoid
- * cluttering other source files.
- */
-
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
+ * Version:  7.5
  *
- * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -43,99 +23,22 @@
  */
 
 
-#ifndef GLHEADER_H
-#define GLHEADER_H
-
-#include <assert.h>
-#include <ctype.h>
-#if defined(__alpha__) && defined(CCPML)
-#include <cpml.h> /* use Compaq's Fast Math Library on Alpha */
-#else
-#include <math.h>
-#endif
-#include <limits.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#if defined(__linux__) && defined(__i386__)
-#include <fpu_control.h>
-#endif
-#include <float.h>
-#include <stdarg.h>
-
-
-/* Get standard integer types */
-#if defined(_MSC_VER)
-
-   typedef __int8             int8_t;
-   typedef unsigned __int8    uint8_t;
-   typedef __int16            int16_t;
-   typedef unsigned __int16   uint16_t;
-#  ifndef __eglplatform_h_
-     typedef __int32            int32_t;
-#  endif
-   typedef unsigned __int32   uint32_t;
-   typedef __int64            int64_t;
-   typedef unsigned __int64   uint64_t;
-
-#  if defined(_WIN64)
-     typedef __int64            intptr_t;
-     typedef unsigned __int64   uintptr_t;
-#  else
-     typedef __int32            intptr_t;
-     typedef unsigned __int32   uintptr_t;
-#  endif
-
-#  define INT64_C(__val) __val##i64
-#  define UINT64_C(__val) __val##ui64
-
-#else
-#  include <stdint.h>
-#endif
-
+/**
+ * \file glheader.h
+ * Wrapper for GL/gl.h and GL/glext.h
+ */
 
-/* Sun compilers define __i386 instead of the gcc-style __i386__ */
-#ifdef __SUNPRO_C
-# if !defined(__i386__) && defined(__i386)
-#  define __i386__
-# elif !defined(__amd64__) && defined(__amd64)
-#  define __amd64__
-# elif !defined(__sparc__) && defined(__sparc)
-#  define __sparc__
-# endif
-# if !defined(__volatile)
-#  define __volatile volatile
-# endif
-#endif
 
-#if defined(_WIN32) && !defined(__WIN32__) && !defined(__CYGWIN__) && !defined(BUILD_FOR_SNAP)
-#  define __WIN32__
-#  define finite _finite
-#endif
+#ifndef GLHEADER_H
+#define GLHEADER_H
 
-#if defined(__WATCOMC__)
-#  define finite _finite
-#  pragma disable_message(201) /* Disable unreachable code warnings */
-#endif
 
 #ifdef WGLAPI
-#	undef WGLAPI
+#undef WGLAPI
 #endif
 
+
 #if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP)
-#  if !defined(__GNUC__) /* mingw environment */
-#    pragma warning( disable : 4068 ) /* unknown pragma */
-#    pragma warning( disable : 4710 ) /* function 'foo' not inlined */
-#    pragma warning( disable : 4711 ) /* function 'foo' selected for automatic inline expansion */
-#    pragma warning( disable : 4127 ) /* conditional expression is constant */
-#    if defined(MESA_MINWARN)
-#      pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */
-#      pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */
-#      pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */
-#      pragma warning( disable : 4550 ) /* 'function' undefined; assuming extern returning int */
-#      pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */
-#    endif
-#  endif
 #  if (defined(_MSC_VER) || defined(__MINGW32__)) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
 #    define WGLAPI __declspec(dllexport)
 #  elif (defined(_MSC_VER) || defined(__MINGW32__)) && defined(_DLL) /* tag specifying we're building for DLL runtime support */
@@ -146,31 +49,10 @@
 #endif /* WIN32 / CYGWIN bracket */
 
 
-/*
- * Either define MESA_BIG_ENDIAN or MESA_LITTLE_ENDIAN.
- * Do not use them unless absolutely necessary!
- * Try to use a runtime test instead.
- * For now, only used by some DRI hardware drivers for color/texel packing.
- */
-#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
-#if defined(__linux__)
-#include <byteswap.h>
-#define CPU_TO_LE32( x )	bswap_32( x )
-#else /*__linux__*/
-#include <sys/endian.h>
-#define CPU_TO_LE32( x )	bswap32( x )
-#endif /*__linux__*/
-#define MESA_BIG_ENDIAN 1
-#else
-#define CPU_TO_LE32( x )	( x )
-#define MESA_LITTLE_ENDIAN 1
-#endif
-#define LE32_TO_CPU( x )	CPU_TO_LE32( x )
-
-
 #define GL_GLEXT_PROTOTYPES
 #include "GL/gl.h"
 #include "GL/glext.h"
+#include <GL/internal/glcore.h>
 
 
 #ifndef GL_FIXED
@@ -192,129 +74,10 @@
 #endif
 
 
-#if !defined(CAPI) && defined(WIN32) && !defined(BUILD_FOR_SNAP)
-#define CAPI _cdecl
-#endif
-
-
-/* This is a macro on IRIX */
-#ifdef _P
-#undef _P
-#endif
-
-
-/* Turn off macro checking systems used by other libraries */
-#ifdef CHECK
-#undef CHECK
-#endif
-
-
-/* Create a macro so that asm functions can be linked into compilers other
- * than GNU C
- */
-#ifndef _ASMAPI
-#if defined(WIN32) && !defined(BUILD_FOR_SNAP)/* was: !defined( __GNUC__ ) && !defined( VMS ) && !defined( __INTEL_COMPILER )*/
-#define _ASMAPI __cdecl
-#else
-#define _ASMAPI
-#endif
-#ifdef	PTR_DECL_IN_FRONT
-#define	_ASMAPIP * _ASMAPI
-#else
-#define	_ASMAPIP _ASMAPI *
-#endif
-#endif
-
-#ifdef USE_X86_ASM
-#define _NORMAPI _ASMAPI
-#define _NORMAPIP _ASMAPIP
-#else
-#define _NORMAPI
-#define _NORMAPIP *
-#endif
-
-
-/* Function inlining */
-#if defined(__GNUC__)
-#  define INLINE __inline__
-#elif defined(__MSC__)
-#  define INLINE __inline
-#elif defined(_MSC_VER)
-#  define INLINE __inline
-#elif defined(__ICL)
-#  define INLINE __inline
-#elif defined(__INTEL_COMPILER)
-#  define INLINE inline
-#elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
-#  define INLINE __inline
-#elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
-#  define INLINE inline
-#  define __inline inline
-#  define __inline__ inline
-#elif (__STDC_VERSION__ >= 199901L) /* C99 */
-#  define INLINE inline
-#else
-#  define INLINE
-#endif
-
-
-/* If we build the library with gcc's -fvisibility=hidden flag, we'll
- * use the PUBLIC macro to mark functions that are to be exported.
- *
- * We also need to define a USED attribute, so the optimizer doesn't 
- * inline a static function that we later use in an alias. - ajax
- */
-#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 303
-#  define PUBLIC __attribute__((visibility("default")))
-#  define USED __attribute__((used))
-#else
-#  define PUBLIC
-#  define USED
-#endif
-
-
-/* Some compilers don't like some of Mesa's const usage */
-#ifdef NO_CONST
-#  define CONST
-#else
-#  define CONST const
-#endif
-
-
-#if !defined(_WIN32_WCE)
-#if defined(BUILD_FOR_SNAP) && defined(CHECKED)
-#  define ASSERT(X)   _CHECK(X) 
-#elif defined(DEBUG)
-#  define ASSERT(X)   assert(X)
-#else
-#  define ASSERT(X)
-#endif
-#endif
-
-
-#if (!defined(__GNUC__) || __GNUC__ < 3) && (!defined(__IBMC__) || __IBMC__ < 900)
-#  define __builtin_expect(x, y) x
-#endif
-
-/* The __FUNCTION__ gcc variable is generally only used for debugging.
- * If we're not using gcc, define __FUNCTION__ as a cpp symbol here.
- * Don't define it if using a newer Windows compiler.
+/**
+ * Special, internal token
  */
-#ifndef __FUNCTION__
-# if defined(__VMS)
-#  define __FUNCTION__ "VMS$NL:"
-# elif ((!defined __GNUC__) || (__GNUC__ < 2)) && (!defined __xlC__) && \
-      (!defined(_MSC_VER) || _MSC_VER < 1300)
-#  if (__STDC_VERSION__ >= 199901L) /* C99 */ || \
-    (defined(__SUNPRO_C) && defined(__C99FEATURES__))
-#   define __FUNCTION__ __func__
-#  else
-#   define __FUNCTION__ "<unknown>"
-#  endif
-# endif
-#endif
-
+#define GL_SHADER_PROGRAM_MESA 0x9999
 
-#include "config.h"
 
 #endif /* GLHEADER_H */
diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index a421eb5e755..d28860f1702 100644
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.1
+ * Version:  7.5
  *
  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  *
@@ -36,10 +36,8 @@
 #define IMPORTS_H
 
 
-/* XXX some of the stuff in glheader.h should be moved into this file.
- */
+#include "compiler.h"
 #include "glheader.h"
-#include <GL/internal/glcore.h>
 
 
 #ifdef __cplusplus
@@ -48,26 +46,6 @@ extern "C" {
 
 
 /**********************************************************************/
-/** \name General macros */
-/*@{*/
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-
-/** gcc -pedantic warns about long string literals, LONGSTRING silences that */
-#if !defined(__GNUC__) || (__GNUC__ < 2) || \
-    ((__GNUC__ == 2) && (__GNUC_MINOR__ <= 7))
-# define LONGSTRING
-#else
-# define LONGSTRING __extension__
-#endif
-
-/*@}*/
-
-
-/**********************************************************************/
 /** Memory macros */
 /*@{*/
 
@@ -130,49 +108,11 @@ typedef union { GLfloat f; GLint i; } fi_type;
 #define MAX_GLUSHORT	0xffff
 #define MAX_GLUINT	0xffffffff
 
-#ifndef M_PI
-#define M_PI (3.1415926536)
-#endif
-
-#ifndef M_E
-#define M_E (2.7182818284590452354)
-#endif
-
-#ifndef ONE_DIV_LN2
-#define ONE_DIV_LN2 (1.442695040888963456)
-#endif
-
-#ifndef ONE_DIV_SQRT_LN2
-#define ONE_DIV_SQRT_LN2 (1.201122408786449815)
-#endif
-
-#ifndef FLT_MAX_EXP
-#define FLT_MAX_EXP 128
-#endif
-
 /* Degrees to radians conversion: */
 #define DEG2RAD (M_PI/180.0)
 
 
 /***
- *** USE_IEEE: Determine if we're using IEEE floating point
- ***/
-#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \
-    defined(__s390x__) || defined(__powerpc__) || \
-    defined(__x86_64__) || \
-    defined(ia64) || defined(__ia64__) || \
-    defined(__hppa__) || defined(hpux) || \
-    defined(__mips) || defined(_MIPS_ARCH) || \
-    defined(__arm__) || \
-    defined(__sh__) || defined(__m32r__) || \
-    (defined(__sun) && defined(_IEEE_754)) || \
-    (defined(__alpha__) && (defined(__IEEE_FLOAT) || !defined(VMS)))
-#define USE_IEEE
-#define IEEE_ONE 0x3f800000
-#endif
-
-
-/***
  *** SQRTF: single-precision square root
  ***/
 #if 0 /* _mesa_sqrtf() not accurate enough - temporarily disabled */
@@ -508,113 +448,6 @@ _mesa_is_pow_two(int x)
 #endif
 
 
-/***
- *** START_FAST_MATH: Set x86 FPU to faster, 32-bit precision mode (and save
- ***                  original mode to a temporary).
- *** END_FAST_MATH: Restore x86 FPU to original mode.
- ***/
-#if defined(__GNUC__) && defined(__i386__)
-/*
- * Set the x86 FPU control word to guarentee only 32 bits of precision
- * are stored in registers.  Allowing the FPU to store more introduces
- * differences between situations where numbers are pulled out of memory
- * vs. situations where the compiler is able to optimize register usage.
- *
- * In the worst case, we force the compiler to use a memory access to
- * truncate the float, by specifying the 'volatile' keyword.
- */
-/* Hardware default: All exceptions masked, extended double precision,
- * round to nearest (IEEE compliant):
- */
-#define DEFAULT_X86_FPU		0x037f
-/* All exceptions masked, single precision, round to nearest:
- */
-#define FAST_X86_FPU		0x003f
-/* The fldcw instruction will cause any pending FP exceptions to be
- * raised prior to entering the block, and we clear any pending
- * exceptions before exiting the block.  Hence, asm code has free
- * reign over the FPU while in the fast math block.
- */
-#if defined(NO_FAST_MATH)
-#define START_FAST_MATH(x)						\
-do {									\
-   static GLuint mask = DEFAULT_X86_FPU;				\
-   __asm__ ( "fnstcw %0" : "=m" (*&(x)) );				\
-   __asm__ ( "fldcw %0" : : "m" (mask) );				\
-} while (0)
-#else
-#define START_FAST_MATH(x)						\
-do {									\
-   static GLuint mask = FAST_X86_FPU;					\
-   __asm__ ( "fnstcw %0" : "=m" (*&(x)) );				\
-   __asm__ ( "fldcw %0" : : "m" (mask) );				\
-} while (0)
-#endif
-/* Restore original FPU mode, and clear any exceptions that may have
- * occurred in the FAST_MATH block.
- */
-#define END_FAST_MATH(x)						\
-do {									\
-   __asm__ ( "fnclex ; fldcw %0" : : "m" (*&(x)) );			\
-} while (0)
-
-#elif defined(__WATCOMC__) && defined(__386__)
-#define DEFAULT_X86_FPU		0x037f /* See GCC comments above */
-#define FAST_X86_FPU		0x003f /* See GCC comments above */
-void _watcom_start_fast_math(unsigned short *x,unsigned short *mask);
-#pragma aux _watcom_start_fast_math =                                   \
-   "fnstcw  word ptr [eax]"                                             \
-   "fldcw   word ptr [ecx]"                                             \
-   parm [eax] [ecx]                                                     \
-   modify exact [];
-void _watcom_end_fast_math(unsigned short *x);
-#pragma aux _watcom_end_fast_math =                                     \
-   "fnclex"                                                             \
-   "fldcw   word ptr [eax]"                                             \
-   parm [eax]                                                           \
-   modify exact [];
-#if defined(NO_FAST_MATH)
-#define START_FAST_MATH(x)                                              \
-do {                                                                    \
-   static GLushort mask = DEFAULT_X86_FPU;	                            \
-   _watcom_start_fast_math(&x,&mask);                                   \
-} while (0)
-#else
-#define START_FAST_MATH(x)                                              \
-do {                                                                    \
-   static GLushort mask = FAST_X86_FPU;                                 \
-   _watcom_start_fast_math(&x,&mask);                                   \
-} while (0)
-#endif
-#define END_FAST_MATH(x)  _watcom_end_fast_math(&x)
-
-#elif defined(_MSC_VER) && defined(_M_IX86)
-#define DEFAULT_X86_FPU		0x037f /* See GCC comments above */
-#define FAST_X86_FPU		0x003f /* See GCC comments above */
-#if defined(NO_FAST_MATH)
-#define START_FAST_MATH(x) do {\
-	static GLuint mask = DEFAULT_X86_FPU;\
-	__asm fnstcw word ptr [x]\
-	__asm fldcw word ptr [mask]\
-} while(0)
-#else
-#define START_FAST_MATH(x) do {\
-	static GLuint mask = FAST_X86_FPU;\
-	__asm fnstcw word ptr [x]\
-	__asm fldcw word ptr [mask]\
-} while(0)
-#endif
-#define END_FAST_MATH(x) do {\
-	__asm fnclex\
-	__asm fldcw word ptr [x]\
-} while(0)
-
-#else
-#define START_FAST_MATH(x)  x = 0
-#define END_FAST_MATH(x)  (void)(x)
-#endif
-
-
 /**
  * Return 1 if this is a little endian machine, 0 if big endian.
  */
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 73dccf7817e..3390fac250a 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -34,21 +34,17 @@
 #define TYPES_H
 
 
-#include "glheader.h"
+#include "main/glheader.h"
+#include "main/config.h"
+#include "main/compiler.h"
+#include "main/mfeatures.h"
 #include <GL/internal/glcore.h>	/* __GLcontextModes (GLvisual) */
-#include "config.h"		/* Hardwired parameters */
 #include "glapi/glapi.h"
 #include "math/m_matrix.h"	/* GLmatrix */
 #include "bitset.h"
 
 
 /**
- * Special, internal token
- */
-#define GL_SHADER_PROGRAM_MESA 0x9999
-
-
-/**
  * Color channel data type.
  */
 #if CHAN_BITS == 8
@@ -126,7 +122,6 @@ struct gl_texture_format;
 struct gl_texture_image;
 struct gl_texture_object;
 struct st_context;
-struct pipe_surface;
 typedef struct __GLcontextRec GLcontext;
 typedef struct __GLcontextModesRec GLvisual;
 typedef struct gl_framebuffer GLframebuffer;
@@ -3166,7 +3161,4 @@ enum _debug
 
 
 
-#define Elements(x) sizeof(x)/sizeof(*(x))
-
-
 #endif /* TYPES_H */
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index 2de2dcc95da..9ccb8fa1001 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -28,7 +28,7 @@
  */
 
 
-#include "glheader.h"
+#include "mfeatures.h"
 #if FEATURE_colortable
 #include "colortab.h"
 #endif
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 1719effdee9..3e6b09baa16 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -29,6 +29,7 @@
  */
 
 #include "glheader.h"
+#include "mfeatures.h"
 #include "colormac.h"
 #if FEATURE_colortable
 #include "colortab.h"
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 0ece8f9514b..3039eb2a877 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -25,12 +25,13 @@
  * 
  **************************************************************************/
 
-#include "main/imports.h"
+#include "main/mfeatures.h"
 #if FEATURE_convolve
 #include "main/convolve.h"
 #endif
 #include "main/enums.h"
 #include "main/image.h"
+#include "main/imports.h"
 #include "main/macros.h"
 #include "main/mipmap.h"
 #include "main/pixel.h"