/**************************************************************************** * * ftconfig.h.in * * UNIX-specific configuration file (specification only). * * Copyright (C) 1996-2020 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, * modified, and distributed under the terms of the FreeType project * license, LICENSE.TXT. By continuing to use, modify, or distribute * this file you indicate that you have read the license and * understand and accept it fully. * */ /************************************************************************** * * This header file contains a number of macro definitions that are used by * the rest of the engine. Most of the macros here are automatically * determined at compile time, and you should not need to change it to port * FreeType, except to compile the library with a non-ANSI compiler. * * Note however that if some specific modifications are needed, we advise * you to place a modified copy in your build directory. * * The build directory is usually `builds/`, and contains * system-specific files that are always included first when building the * library. * */ #ifndef FTCONFIG_H_ #define FTCONFIG_H_ #include #include FT_CONFIG_OPTIONS_H #include FT_CONFIG_STANDARD_LIBRARY_H #undef FT_USE_AUTOCONF_SIZEOF_TYPES #ifdef FT_USE_AUTOCONF_SIZEOF_TYPES #undef SIZEOF_INT #undef SIZEOF_LONG #define FT_SIZEOF_INT SIZEOF_INT #define FT_SIZEOF_LONG SIZEOF_LONG #endif /* FT_USE_AUTOCONF_SIZEOF_TYPES */ #include #include FT_BEGIN_HEADER /************************************************************************** * * PLATFORM-SPECIFIC CONFIGURATION MACROS * * These macros can be toggled to suit a specific system. The current ones * are defaults used to compile FreeType in an ANSI C environment (16bit * compilers are also supported). Copy this file to your own * `builds/` directory, and edit it to port the engine. * */ #undef HAVE_UNISTD_H #undef HAVE_FCNTL_H /* `FT_UNUSED` indicates that a given parameter is not used -- */ /* this is only used to get rid of unpleasant compiler warnings. */ #ifndef FT_UNUSED #define FT_UNUSED( arg ) ( (arg) = (arg) ) #endif /* Fix compiler warning with sgi compiler. */ #if defined( __sgi ) && !defined( __GNUC__ ) #if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 ) #pragma set woff 3505 #endif #endif #ifdef _WIN64 /* only 64bit Windows uses the LLP64 data model, i.e., */ /* 32bit integers, 64bit pointers */ #define FT_UINT_TO_POINTER( x ) (void*)(unsigned __int64)(x) #else #define FT_UINT_TO_POINTER( x ) (void*)(unsigned long)(x) #endif /************************************************************************** * * miscellaneous * */ #define FT_BEGIN_STMNT do { #define FT_END_STMNT } while ( 0 ) #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT /* `typeof` condition taken from gnulib's `intprops.h` header file */ #if ( ( defined( __GNUC__ ) && __GNUC__ >= 2 ) || \ ( defined( __IBMC__ ) && __IBMC__ >= 1210 && \ defined( __IBM__TYPEOF__ ) ) || \ ( defined( __SUNPRO_C ) && __SUNPRO_C >= 0x5110 && !__STDC__ ) ) #define FT_TYPEOF( type ) ( __typeof__ ( type ) ) #else #define FT_TYPEOF( type ) /* empty */ #endif /* Use `FT_LOCAL` and `FT_LOCAL_DEF` to declare and define, */ /* respectively, a function that gets used only within the scope of a */ /* module. Normally, both the header and source code files for such a */ /* function are within a single module directory. */ /* */ /* Intra-module arrays should be tagged with `FT_LOCAL_ARRAY` and */ /* `FT_LOCAL_ARRAY_DEF`. */ /* */ #ifdef FT_MAKE_OPTION_SINGLE_OBJECT #define FT_LOCAL( x ) static x #define FT_LOCAL_DEF( x ) static x #else #ifdef __cplusplus #define FT_LOCAL( x ) extern "C" x #define FT_LOCAL_DEF( x ) extern "C" x #else #define FT_LOCAL( x ) extern x #define FT_LOCAL_DEF( x ) x #endif #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ #define FT_LOCAL_ARRAY( x ) extern const x #define FT_LOCAL_ARRAY_DEF( x ) const x /* Use `FT_BASE` and `FT_BASE_DEF` to declare and define, respectively, */ /* functions that are used in more than a single module. In the */ /* current setup this implies that the declaration is in a header file */ /* in the `include/freetype/internal` directory, and the function body */ /* is in a file in `src/base`. */ /* */ #ifndef FT_BASE #ifdef __cplusplus #define FT_BASE( x ) extern "C" x #else #define FT_BASE( x ) extern x #endif #endif /* !FT_BASE */ #ifndef FT_BASE_DEF #ifdef __cplusplus #define FT_BASE_DEF( x ) x #else #define FT_BASE_DEF( x ) x #endif #endif /* !FT_BASE_DEF */ /* When compiling FreeType as a DLL or DSO with hidden visibility */ /* some systems/compilers need a special attribute in front OR after */ /* the return type of function declarations. */ /* */ /* Two macros are used within the FreeType source code to define */ /* exported library functions: `FT_EXPORT` and `FT_EXPORT_DEF`. */ /* */ /* - `FT_EXPORT( return_type )` */ /* */ /* is used in a function declaration, as in */ /* */ /* ``` */ /* FT_EXPORT( FT_Error ) */ /* FT_Init_FreeType( FT_Library* alibrary ); */ /* ``` */ /* */ /* - `FT_EXPORT_DEF( return_type )` */ /* */ /* is used in a function definition, as in */ /* */ /* ``` */ /* FT_EXPORT_DEF( FT_Error ) */ /* FT_Init_FreeType( FT_Library* alibrary ) */ /* { */ /* ... some code ... */ /* return FT_Err_Ok; */ /* } */ /* ``` */ /* */ /* You can provide your own implementation of `FT_EXPORT` and */ /* `FT_EXPORT_DEF` here if you want. */ /* */ /* To export a variable, use `FT_EXPORT_VAR`. */ /* */ #ifndef FT_EXPORT #ifdef FT2_BUILD_LIBRARY #if defined( _WIN32 ) && defined( DLL_EXPORT ) #define FT_EXPORT( x ) __declspec( dllexport ) x #elif defined( __GNUC__ ) && __GNUC__ >= 4 #define FT_EXPORT( x ) __attribute__(( visibility( "default" ) )) x #elif defined( __SUNPRO_C ) && __SUNPRO_C >= 0x550 #define FT_EXPORT( x ) __global x #elif defined( __cplusplus ) #define FT_EXPORT( x ) extern "C" x #else #define FT_EXPORT( x ) extern x #endif #else #if defined( _WIN32 ) && defined( DLL_IMPORT ) #define FT_EXPORT( x ) __declspec( dllimport ) x #elif defined( __cplusplus ) #define FT_EXPORT( x ) extern "C" x #else #define FT_EXPORT( x ) extern x #endif #endif #endif /* !FT_EXPORT */ #ifndef FT_EXPORT_DEF #ifdef __cplusplus #define FT_EXPORT_DEF( x ) extern "C" x #else #define FT_EXPORT_DEF( x ) extern x #endif #endif /* !FT_EXPORT_DEF */ #ifndef FT_EXPORT_VAR #ifdef __cplusplus #define FT_EXPORT_VAR( x ) extern "C" x #else #define FT_EXPORT_VAR( x ) extern x #endif #endif /* !FT_EXPORT_VAR */ /* The following macros are needed to compile the library with a */ /* C++ compiler and with 16bit compilers. */ /* */ /* This is special. Within C++, you must specify `extern "C"` for */ /* functions which are used via function pointers, and you also */ /* must do that for structures which contain function pointers to */ /* assure C linkage -- it's not possible to have (local) anonymous */ /* functions which are accessed by (global) function pointers. */ /* */ /* */ /* FT_CALLBACK_DEF is used to _define_ a callback function, */ /* located in the same source code file as the structure that uses */ /* it. */ /* */ /* FT_BASE_CALLBACK and FT_BASE_CALLBACK_DEF are used to declare */ /* and define a callback function, respectively, in a similar way */ /* as FT_BASE and FT_BASE_DEF work. */ /* */ /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */ /* contains pointers to callback functions. */ /* */ /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */ /* that contains pointers to callback functions. */ /* */ /* */ /* Some 16bit compilers have to redefine these macros to insert */ /* the infamous `_cdecl` or `__fastcall` declarations. */ /* */ #ifndef FT_CALLBACK_DEF #ifdef __cplusplus #define FT_CALLBACK_DEF( x ) extern "C" x #else #define FT_CALLBACK_DEF( x ) static x #endif #endif /* FT_CALLBACK_DEF */ #ifndef FT_BASE_CALLBACK #ifdef __cplusplus #define FT_BASE_CALLBACK( x ) extern "C" x #define FT_BASE_CALLBACK_DEF( x ) extern "C" x #else #define FT_BASE_CALLBACK( x ) extern x #define FT_BASE_CALLBACK_DEF( x ) x #endif #endif /* FT_BASE_CALLBACK */ #ifndef FT_CALLBACK_TABLE #ifdef __cplusplus #define FT_CALLBACK_TABLE extern "C" #define FT_CALLBACK_TABLE_DEF extern "C" #else #define FT_CALLBACK_TABLE extern #define FT_CALLBACK_TABLE_DEF /* nothing */ #endif #endif /* FT_CALLBACK_TABLE */ FT_END_HEADER #endif /* FTCONFIG_H_ */ /* END */