forked from minhngoc25a/freetype2
552 lines
18 KiB
Plaintext
552 lines
18 KiB
Plaintext
/***************************************************************************/
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/* */
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/* ftconfig.in */
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/* */
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/* UNIX-specific configuration file (specification only). */
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/* */
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/* Copyright 1996-2004, 2006-2009, 2011 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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/*************************************************************************/
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/* */
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/* This header file contains a number of macro definitions that are used */
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/* by the rest of the engine. Most of the macros here are automatically */
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/* determined at compile time, and you should not need to change it to */
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/* port FreeType, except to compile the library with a non-ANSI */
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/* compiler. */
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/* */
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/* Note however that if some specific modifications are needed, we */
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/* advise you to place a modified copy in your build directory. */
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/* */
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/* The build directory is usually `freetype/builds/<system>', and */
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/* contains system-specific files that are always included first when */
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/* building the library. */
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/* */
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/*************************************************************************/
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#ifndef __FTCONFIG_H__
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#define __FTCONFIG_H__
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#include <ft2build.h>
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#include FT_CONFIG_OPTIONS_H
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#include FT_CONFIG_STANDARD_LIBRARY_H
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FT_BEGIN_HEADER
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/*************************************************************************/
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/* */
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/* PLATFORM-SPECIFIC CONFIGURATION MACROS */
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/* */
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/* These macros can be toggled to suit a specific system. The current */
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/* ones are defaults used to compile FreeType in an ANSI C environment */
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/* (16bit compilers are also supported). Copy this file to your own */
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/* `freetype/builds/<system>' directory, and edit it to port the engine. */
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/* */
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/*************************************************************************/
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#undef HAVE_UNISTD_H
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#undef HAVE_FCNTL_H
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#undef HAVE_STDINT_H
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/* There are systems (like the Texas Instruments 'C54x) where a `char' */
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/* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */
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/* `int' has 16 bits also for this system, sizeof(int) gives 1 which */
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/* is probably unexpected. */
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/* */
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/* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */
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/* `char' type. */
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#ifndef FT_CHAR_BIT
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#define FT_CHAR_BIT CHAR_BIT
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#endif
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#undef FT_USE_AUTOCONF_SIZEOF_TYPES
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#ifdef FT_USE_AUTOCONF_SIZEOF_TYPES
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#undef SIZEOF_INT
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#undef SIZEOF_LONG
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#define FT_SIZEOF_INT SIZEOF_INT
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#define FT_SIZEOF_LONG SIZEOF_LONG
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#else /* !FT_USE_AUTOCONF_SIZEOF_TYPES */
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/* Following cpp computation of the bit length of int and long */
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/* is copied from default include/freetype/config/ftconfig.h. */
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/* If any improvement is required for this file, it should be */
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/* applied to the original header file for the builders that */
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/* does not use configure script. */
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/* The size of an `int' type. */
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#if FT_UINT_MAX == 0xFFFFUL
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#define FT_SIZEOF_INT (16 / FT_CHAR_BIT)
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#elif FT_UINT_MAX == 0xFFFFFFFFUL
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#define FT_SIZEOF_INT (32 / FT_CHAR_BIT)
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#elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
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#define FT_SIZEOF_INT (64 / FT_CHAR_BIT)
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#else
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#error "Unsupported size of `int' type!"
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#endif
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/* The size of a `long' type. A five-byte `long' (as used e.g. on the */
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/* DM642) is recognized but avoided. */
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#if FT_ULONG_MAX == 0xFFFFFFFFUL
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#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
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#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
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#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
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#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
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#define FT_SIZEOF_LONG (64 / FT_CHAR_BIT)
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#else
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#error "Unsupported size of `long' type!"
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#endif
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#endif /* !FT_USE_AUTOCONF_SIZEOF_TYPES */
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/* Preferred alignment of data */
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#define FT_ALIGNMENT 8
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/* FT_UNUSED is a macro used to indicate that a given parameter is not */
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/* used -- this is only used to get rid of unpleasant compiler warnings */
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#ifndef FT_UNUSED
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#define FT_UNUSED( arg ) ( (arg) = (arg) )
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#endif
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/*************************************************************************/
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/* */
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/* AUTOMATIC CONFIGURATION MACROS */
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/* */
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/* These macros are computed from the ones defined above. Don't touch */
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/* their definition, unless you know precisely what you are doing. No */
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/* porter should need to mess with them. */
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/* */
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/*************************************************************************/
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/*************************************************************************/
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/* */
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/* Mac support */
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/* */
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/* This is the only necessary change, so it is defined here instead */
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/* providing a new configuration file. */
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/* */
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#if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) || \
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( defined( __MWERKS__ ) && defined( macintosh ) )
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/* no Carbon frameworks for 64bit 10.4.x */
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/* AvailabilityMacros.h is available since Mac OS X 10.2, */
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/* so guess the system version by maximum errno before inclusion */
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#include <errno.h>
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#ifdef ECANCELED /* defined since 10.2 */
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#include "AvailabilityMacros.h"
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#endif
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#if defined( __LP64__ ) && \
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( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
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#define DARWIN_NO_CARBON 1
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#else
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#define FT_MACINTOSH 1
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#endif
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#elif defined( __SC__ ) || defined( __MRC__ )
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/* Classic MacOS compilers */
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#include "ConditionalMacros.h"
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#if TARGET_OS_MAC
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#define FT_MACINTOSH 1
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#endif
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#endif
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/* Fix compiler warning with sgi compiler */
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#if defined( __sgi ) && !defined( __GNUC__ )
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#if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 )
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#pragma set woff 3505
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#endif
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#endif
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/*************************************************************************/
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/* */
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/* IntN types */
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/* */
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/* Used to guarantee the size of some specific integers. */
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/* */
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typedef signed short FT_Int16;
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typedef unsigned short FT_UInt16;
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#if FT_SIZEOF_INT == 4
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typedef signed int FT_Int32;
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typedef unsigned int FT_UInt32;
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#elif FT_SIZEOF_LONG == 4
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typedef signed long FT_Int32;
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typedef unsigned long FT_UInt32;
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#else
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#error "no 32bit type found -- please check your configuration files"
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#endif
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/* look up an integer type that is at least 32 bits */
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#if FT_SIZEOF_INT >= 4
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typedef int FT_Fast;
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typedef unsigned int FT_UFast;
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#elif FT_SIZEOF_LONG >= 4
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typedef long FT_Fast;
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typedef unsigned long FT_UFast;
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#endif
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/* determine whether we have a 64-bit int type for platforms without */
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/* Autoconf */
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#if FT_SIZEOF_LONG == 8
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/* FT_LONG64 must be defined if a 64-bit type is available */
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#define FT_LONG64
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#define FT_INT64 long
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#elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
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/* this compiler provides the __int64 type */
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#define FT_LONG64
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#define FT_INT64 __int64
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#elif defined( __BORLANDC__ ) /* Borland C++ */
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/* XXXX: We should probably check the value of __BORLANDC__ in order */
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/* to test the compiler version. */
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/* this compiler provides the __int64 type */
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#define FT_LONG64
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#define FT_INT64 __int64
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#elif defined( __WATCOMC__ ) /* Watcom C++ */
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/* Watcom doesn't provide 64-bit data types */
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#elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */
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#define FT_LONG64
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#define FT_INT64 long long int
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#elif defined( __GNUC__ )
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/* GCC provides the `long long' type */
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#define FT_LONG64
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#define FT_INT64 long long int
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#endif /* FT_SIZEOF_LONG == 8 */
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/*************************************************************************/
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/* */
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/* A 64-bit data type will create compilation problems if you compile */
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/* in strict ANSI mode. To avoid them, we disable its use if __STDC__ */
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/* is defined. You can however ignore this rule by defining the */
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/* FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */
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/* */
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#if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
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#ifdef __STDC__
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/* Undefine the 64-bit macros in strict ANSI compilation mode. */
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/* Since `#undef' doesn't survive in configuration header files */
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/* we use the postprocessing facility of AC_CONFIG_HEADERS to */
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/* replace the leading `/' with `#'. */
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/undef FT_LONG64
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/undef FT_INT64
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#endif /* __STDC__ */
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#endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
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#define FT_BEGIN_STMNT do {
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#define FT_END_STMNT } while ( 0 )
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#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
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#ifndef FT_CONFIG_OPTION_NO_ASSEMBLER
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/* Provide assembler fragments for performance-critical functions. */
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/* These must be defined `static __inline__' with GCC. */
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#if defined( __CC_ARM ) || defined( __ARMCC__ ) /* RVCT */
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#define FT_MULFIX_ASSEMBLER FT_MulFix_arm
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/* documentation is in freetype.h */
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static __inline FT_Int32
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FT_MulFix_arm( FT_Int32 a,
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FT_Int32 b )
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{
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register FT_Int32 t, t2;
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__asm
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{
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smull t2, t, b, a /* (lo=t2,hi=t) = a*b */
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mov a, t, asr #31 /* a = (hi >> 31) */
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add a, a, #0x8000 /* a += 0x8000 */
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adds t2, t2, a /* t2 += a */
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adc t, t, #0 /* t += carry */
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mov a, t2, lsr #16 /* a = t2 >> 16 */
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orr a, a, t, lsl #16 /* a |= t << 16 */
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}
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return a;
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}
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#endif /* __CC_ARM || __ARMCC__ */
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#ifdef __GNUC__
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#if defined( __arm__ ) && !defined( __thumb__ ) && \
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!( defined( __CC_ARM ) || defined( __ARMCC__ ) )
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#define FT_MULFIX_ASSEMBLER FT_MulFix_arm
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/* documentation is in freetype.h */
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static __inline__ FT_Int32
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FT_MulFix_arm( FT_Int32 a,
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FT_Int32 b )
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{
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register FT_Int32 t, t2;
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__asm__ __volatile__ (
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"smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = a*b */
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"mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */
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"add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */
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"adds %1, %1, %0\n\t" /* %1 += %0 */
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"adc %2, %2, #0\n\t" /* %2 += carry */
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"mov %0, %1, lsr #16\n\t" /* %0 = %1 >> 16 */
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"orr %0, %0, %2, lsl #16\n\t" /* %0 |= %2 << 16 */
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: "=r"(a), "=&r"(t2), "=&r"(t)
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: "r"(a), "r"(b) );
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return a;
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}
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#endif /* __arm__ && !__thumb__ && !( __CC_ARM || __ARMCC__ ) */
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#if defined( __i386__ )
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#define FT_MULFIX_ASSEMBLER FT_MulFix_i386
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/* documentation is in freetype.h */
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static __inline__ FT_Int32
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FT_MulFix_i386( FT_Int32 a,
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FT_Int32 b )
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{
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register FT_Int32 result;
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__asm__ __volatile__ (
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"imul %%edx\n"
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"movl %%edx, %%ecx\n"
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"sarl $31, %%ecx\n"
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"addl $0x8000, %%ecx\n"
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"addl %%ecx, %%eax\n"
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"adcl $0, %%edx\n"
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"shrl $16, %%eax\n"
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"shll $16, %%edx\n"
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"addl %%edx, %%eax\n"
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: "=a"(result), "=d"(b)
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: "a"(a), "d"(b)
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: "%ecx", "cc" );
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return result;
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}
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#endif /* i386 */
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#endif /* __GNUC__ */
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#ifdef _MSC_VER /* Visual C++ */
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#ifdef _M_IX86
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#define FT_MULFIX_ASSEMBLER FT_MulFix_i386
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/* documentation is in freetype.h */
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static __inline FT_Int32
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FT_MulFix_i386( FT_Int32 a,
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FT_Int32 b )
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{
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register FT_Int32 result;
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__asm
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{
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mov eax, a
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mov edx, b
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imul edx
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mov ecx, edx
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sar ecx, 31
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add ecx, 8000h
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add eax, ecx
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adc edx, 0
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shr eax, 16
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shl edx, 16
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add eax, edx
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mov result, eax
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}
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return result;
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}
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#endif /* _M_IX86 */
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#endif /* _MSC_VER */
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#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */
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#ifdef FT_CONFIG_OPTION_INLINE_MULFIX
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#ifdef FT_MULFIX_ASSEMBLER
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#define FT_MULFIX_INLINED FT_MULFIX_ASSEMBLER
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#endif
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#endif
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#ifdef FT_MAKE_OPTION_SINGLE_OBJECT
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#define FT_LOCAL( x ) static x
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#define FT_LOCAL_DEF( x ) static x
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#else
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#ifdef __cplusplus
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#define FT_LOCAL( x ) extern "C" x
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#define FT_LOCAL_DEF( x ) extern "C" x
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#else
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#define FT_LOCAL( x ) extern x
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#define FT_LOCAL_DEF( x ) x
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#endif
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#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
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#ifndef FT_BASE
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#ifdef __cplusplus
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#define FT_BASE( x ) extern "C" x
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#else
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#define FT_BASE( x ) extern x
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#endif
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#endif /* !FT_BASE */
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#ifndef FT_BASE_DEF
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#ifdef __cplusplus
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#define FT_BASE_DEF( x ) x
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#else
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#define FT_BASE_DEF( x ) x
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#endif
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#endif /* !FT_BASE_DEF */
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#ifndef FT_EXPORT
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#ifdef __cplusplus
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#define FT_EXPORT( x ) extern "C" x
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#else
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#define FT_EXPORT( x ) extern x
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#endif
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#endif /* !FT_EXPORT */
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#ifndef FT_EXPORT_DEF
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#ifdef __cplusplus
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#define FT_EXPORT_DEF( x ) extern "C" x
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#else
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#define FT_EXPORT_DEF( x ) extern x
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#endif
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#endif /* !FT_EXPORT_DEF */
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#ifndef FT_EXPORT_VAR
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#ifdef __cplusplus
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#define FT_EXPORT_VAR( x ) extern "C" x
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#else
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#define FT_EXPORT_VAR( x ) extern x
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#endif
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#endif /* !FT_EXPORT_VAR */
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/* The following macros are needed to compile the library with a */
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/* C++ compiler and with 16bit compilers. */
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/* */
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/* This is special. Within C++, you must specify `extern "C"' for */
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/* functions which are used via function pointers, and you also */
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/* must do that for structures which contain function pointers to */
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/* assure C linkage -- it's not possible to have (local) anonymous */
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/* functions which are accessed by (global) function pointers. */
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/* */
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/* */
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/* FT_CALLBACK_DEF is used to _define_ a callback function. */
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/* */
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/* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
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/* contains pointers to callback functions. */
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/* */
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/* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
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/* that contains pointers to callback functions. */
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/* */
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/* */
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/* Some 16bit compilers have to redefine these macros to insert */
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/* the infamous `_cdecl' or `__fastcall' declarations. */
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/* */
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#ifndef FT_CALLBACK_DEF
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#ifdef __cplusplus
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#define FT_CALLBACK_DEF( x ) extern "C" x
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#else
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#define FT_CALLBACK_DEF( x ) static x
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#endif
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#endif /* FT_CALLBACK_DEF */
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#ifndef FT_CALLBACK_TABLE
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#ifdef __cplusplus
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#define FT_CALLBACK_TABLE extern "C"
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#define FT_CALLBACK_TABLE_DEF extern "C"
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#else
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#define FT_CALLBACK_TABLE extern
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#define FT_CALLBACK_TABLE_DEF /* nothing */
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#endif
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#endif /* FT_CALLBACK_TABLE */
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FT_END_HEADER
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#endif /* __FTCONFIG_H__ */
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/* END */
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