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[freetype2] master bb66c8d 4/5: [build] Split off more stuff from `ftcon


From: Werner LEMBERG
Subject: [freetype2] master bb66c8d 4/5: [build] Split off more stuff from `ftconfig.h'.
Date: Sun, 5 Jul 2020 05:24:59 -0400 (EDT)

branch: master
commit bb66c8d8cf1eb86309273d7c53c44522d35941d4
Author: David Turner <david@freetype.org>
Commit: Werner Lemberg <wl@gnu.org>

    [build] Split off more stuff from `ftconfig.h'.
    
    * builds/unix/ftconfig.h.in, builds/vms/ftconfig.h,
    include/freetype/config/ftconfig.h: Split off macro definitions
    required by the FreeType API headers to...
    * include/freetype/config/public-macros.h: ...this new file.
    
    * builds/unix/ftconfig.h.in, builds/vms/ftconfig.h,
    include/freetype/config/ftconfig.h: Split off macro definitions used
    by the library but not to be exposed to clients to...
    * include/freetype/config/compiler-macros.h: ...this new file.
    
    * include/freetype/internal/*.h, src/raster/ftraster.h: Include
    `compiler-macros.h' where needed.
---
 ChangeLog                                          |  17 ++
 builds/unix/ftconfig.h.in                          | 272 +-------------------
 builds/vms/ftconfig.h                              | 282 +--------------------
 include/freetype/config/ftconfig.h                 | 262 +------------------
 include/freetype/config/public-macros.h            |  87 +++++++
 .../ftconfig.h => internal/compiler-macros.h}      |  84 +-----
 include/freetype/internal/ftcalc.h                 |   1 +
 include/freetype/internal/ftdebug.h                |   2 +
 include/freetype/internal/ftdrv.h                  |   1 +
 include/freetype/internal/ftmemory.h               |   1 +
 include/freetype/internal/ftobjs.h                 |   1 +
 include/freetype/internal/ftserv.h                 |   1 +
 include/freetype/internal/ftvalid.h                |   3 +-
 src/raster/ftraster.h                              |   1 +
 14 files changed, 131 insertions(+), 884 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 451c8d7..a2c80f5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,22 @@
 2020-07-05  David Turner  <david@freetype.org>
 
+       [build] Split off more stuff from `ftconfig.h'.
+
+       * builds/unix/ftconfig.h.in, builds/vms/ftconfig.h,
+       include/freetype/config/ftconfig.h: Split off macro definitions
+       required by the FreeType API headers to...
+       * include/freetype/config/public-macros.h: ...this new file.
+
+       * builds/unix/ftconfig.h.in, builds/vms/ftconfig.h,
+       include/freetype/config/ftconfig.h: Split off macro definitions used
+       by the library but not to be exposed to clients to...
+       * include/freetype/config/compiler-macros.h: ...this new file.
+
+       * include/freetype/internal/*.h, src/raster/ftraster.h: Include
+       `compiler-macros.h' where needed.
+
+2020-07-05  David Turner  <david@freetype.org>
+
        [build] Move mac support code to `mac-support.h'.
 
        * builds/unix/ftconfig.h.in, builds/vms/ftconfig.h,
diff --git a/builds/unix/ftconfig.h.in b/builds/unix/ftconfig.h.in
index 141ecf3..00b5a82 100644
--- a/builds/unix/ftconfig.h.in
+++ b/builds/unix/ftconfig.h.in
@@ -39,6 +39,9 @@
 #include FT_CONFIG_OPTIONS_H
 #include FT_CONFIG_STANDARD_LIBRARY_H
 
+#undef HAVE_UNISTD_H
+#undef HAVE_FCNTL_H
+
 #undef FT_USE_AUTOCONF_SIZEOF_TYPES
 #ifdef FT_USE_AUTOCONF_SIZEOF_TYPES
 
@@ -50,276 +53,9 @@
 #endif /* FT_USE_AUTOCONF_SIZEOF_TYPES */
 
 #include <freetype/config/integer-types.h>
+#include <freetype/config/public-macros.h>
 #include <freetype/config/mac-support.h>
 
-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/<system>` 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_ */
 
 
diff --git a/builds/vms/ftconfig.h b/builds/vms/ftconfig.h
index 978740b..07e5f83 100644
--- a/builds/vms/ftconfig.h
+++ b/builds/vms/ftconfig.h
@@ -39,6 +39,9 @@
 #include FT_CONFIG_OPTIONS_H
 #include FT_CONFIG_STANDARD_LIBRARY_H
 
+#define HAVE_UNISTD_H  1
+#define HAVE_FCNTL_H   1
+
 #define SIZEOF_INT   4
 #define SIZEOF_LONG  4
 
@@ -46,286 +49,9 @@
 #define FT_SIZEOF_LONG  4
 
 #include <freetype/config/integer-types.h>
+#include <freetype/config/public-macros.h>
 #include <freetype/config/mac-support.h>
 
-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/<system>` directory, and edit it to port the engine.
-   *
-   */
-
-#define HAVE_UNISTD_H  1
-#define HAVE_FCNTL_H   1
-
-  /* `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
-
-
-  /**************************************************************************
-   *
-   *                    AUTOMATIC CONFIGURATION MACROS
-   *
-   * These macros are computed from the ones defined above.  Don't touch
-   * their definition, unless you know precisely what you are doing.  No
-   * porter should need to mess with them.
-   *
-   */
-
-
-  /* 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_ */
 
 
diff --git a/include/freetype/config/ftconfig.h 
b/include/freetype/config/ftconfig.h
index 40d9078..d59f293 100644
--- a/include/freetype/config/ftconfig.h
+++ b/include/freetype/config/ftconfig.h
@@ -42,269 +42,9 @@
 #include FT_CONFIG_STANDARD_LIBRARY_H
 
 #include <freetype/config/integer-types.h>
+#include <freetype/config/public-macros.h>
 #include <freetype/config/mac-support.h>
 
-FT_BEGIN_HEADER
-
-  /* `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
-
-
-  /**************************************************************************
-   *
-   *                    AUTOMATIC CONFIGURATION MACROS
-   *
-   * These macros are computed from the ones defined above.  Don't touch
-   * their definition, unless you know precisely what you are doing.  No
-   * porter should need to mess with them.
-   *
-   */
-
-
-  /* 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
 
 
diff --git a/include/freetype/config/public-macros.h 
b/include/freetype/config/public-macros.h
new file mode 100644
index 0000000..b62092b
--- /dev/null
+++ b/include/freetype/config/public-macros.h
@@ -0,0 +1,87 @@
+/****************************************************************************
+ *
+ * config/public-macros.h
+ *
+ *   Define a set of compiler macros used in public FreeType headers.
+ *
+ * Copyright (C) 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.
+ *
+ */
+
+/* The definitions in this file are used by the public FreeType headers,
+ * and thus should be considered part of the public API.
+ *
+ * Other compiler-specific macro definitions that are not exposed by the
+ * FreeType API should go into include/freetype/internal/compiler-macros.h
+ * instead.
+ */
+#ifndef FREETYPE_CONFIG_PUBLIC_MACROS_H_
+#define FREETYPE_CONFIG_PUBLIC_MACROS_H_
+
+/* FT_BEGIN_HEADER and FT_END_HEADER might have already been defined by
+ * <freetype/config/ftheader.h>, but we don't want to include this header
+ * here, so redefine the macros here only when needed. Their definition is
+ * very stable, so keeping them in sync with the ones in the header should
+ * not be a maintenance issue.
+ */
+#ifndef FT_BEGIN_HEADER
+#  ifdef __cplusplus
+#    define FT_BEGIN_HEADER extern "C" {
+#  else
+#    define FT_BEGIN_HEADER  /* nothing */
+#  endif
+#endif  /* FT_END_HEADER */
+
+#ifndef FT_END_HEADER
+#  ifdef __cplusplus
+#    define FT_END_HEADER  }
+#  else
+#    define FT_END_HEADER  /* nothing */
+#  endif
+#endif  /* FT_END_HEADER */
+
+FT_BEGIN_HEADER
+
+/* Define a public FreeType API function. This ensures it is properly exported
+ * or imported at build time.
+ */
+#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  /* !FT2_BUILD_LIBRARY */
+
+#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  /* !FT2_BUILD_LIBRARY */
+
+#endif /* !FT_EXPORT */
+
+FT_END_HEADER
+
+#endif  /* FREETYPE_CONFIG_PUBLIC_MACROS_H_ */
diff --git a/include/freetype/config/ftconfig.h 
b/include/freetype/internal/compiler-macros.h
similarity index 80%
copy from include/freetype/config/ftconfig.h
copy to include/freetype/internal/compiler-macros.h
index 40d9078..d7b6cfa 100644
--- a/include/freetype/config/ftconfig.h
+++ b/include/freetype/internal/compiler-macros.h
@@ -1,10 +1,10 @@
 /****************************************************************************
  *
- * ftconfig.h
+ * internal/compiler-macros.h
  *
- *   ANSI-specific configuration file (specification only).
+ *   Compiler-specific macro definitions used internally by FreeType.
  *
- * Copyright (C) 1996-2020 by
+ * Copyright (C) 2020 by
  * David Turner, Robert Wilhelm, and Werner Lemberg.
  *
  * This file is part of the FreeType project, and may only be used,
@@ -15,34 +15,10 @@
  *
  */
 
+#ifndef INTERNAL_COMPILER_MACROS_H_
+#define INTERNAL_COMPILER_MACROS_H_
 
-  /**************************************************************************
-   *
-   * 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/<system>`, and contains
-   * system-specific files that are always included first when building the
-   * library.
-   *
-   * This ANSI version should stay in `include/config/`.
-   *
-   */
-
-#ifndef FTCONFIG_H_
-#define FTCONFIG_H_
-
-#include <ft2build.h>
-#include FT_CONFIG_OPTIONS_H
-#include FT_CONFIG_STANDARD_LIBRARY_H
-
-#include <freetype/config/integer-types.h>
-#include <freetype/config/mac-support.h>
+#include <freetype/config/public-macros.h>
 
 FT_BEGIN_HEADER
 
@@ -53,17 +29,6 @@ FT_BEGIN_HEADER
 #endif
 
 
-  /**************************************************************************
-   *
-   *                    AUTOMATIC CONFIGURATION MACROS
-   *
-   * These macros are computed from the ones defined above.  Don't touch
-   * their definition, unless you know precisely what you are doing.  No
-   * porter should need to mess with them.
-   *
-   */
-
-
   /* Fix compiler warning with sgi compiler. */
 #if defined( __sgi ) && !defined( __GNUC__ )
 #if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 )
@@ -194,36 +159,8 @@ FT_BEGIN_HEADER
   /*                                                                   */
   /* 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 */
 
+/* NOTE: See <freetype/config/public-macros.h> for FT_EXPORT() definition */
 
 #ifndef FT_EXPORT_DEF
 
@@ -304,11 +241,6 @@ FT_BEGIN_HEADER
 #endif
 #endif /* FT_CALLBACK_TABLE */
 
-
 FT_END_HEADER
 
-
-#endif /* FTCONFIG_H_ */
-
-
-/* END */
+#endif  /* INTERNAL_COMPILER_MACROS_H_ */
diff --git a/include/freetype/internal/ftcalc.h 
b/include/freetype/internal/ftcalc.h
index 87c0869..c653074 100644
--- a/include/freetype/internal/ftcalc.h
+++ b/include/freetype/internal/ftcalc.h
@@ -22,6 +22,7 @@
 
 #include <freetype/freetype.h>
 
+#include "compiler-macros.h"
 
 FT_BEGIN_HEADER
 
diff --git a/include/freetype/internal/ftdebug.h 
b/include/freetype/internal/ftdebug.h
index e7eb29a..df5357a 100644
--- a/include/freetype/internal/ftdebug.h
+++ b/include/freetype/internal/ftdebug.h
@@ -29,6 +29,8 @@
 #include FT_CONFIG_CONFIG_H
 #include <freetype/freetype.h>
 
+#include "compiler-macros.h"
+
 
 FT_BEGIN_HEADER
 
diff --git a/include/freetype/internal/ftdrv.h 
b/include/freetype/internal/ftdrv.h
index a294516..7f22710 100644
--- a/include/freetype/internal/ftdrv.h
+++ b/include/freetype/internal/ftdrv.h
@@ -22,6 +22,7 @@
 
 #include <freetype/ftmodapi.h>
 
+#include "compiler-macros.h"
 
 FT_BEGIN_HEADER
 
diff --git a/include/freetype/internal/ftmemory.h 
b/include/freetype/internal/ftmemory.h
index 940510d..ddb18b0 100644
--- a/include/freetype/internal/ftmemory.h
+++ b/include/freetype/internal/ftmemory.h
@@ -24,6 +24,7 @@
 #include FT_CONFIG_CONFIG_H
 #include <freetype/fttypes.h>
 
+#include "compiler-macros.h"
 
 FT_BEGIN_HEADER
 
diff --git a/include/freetype/internal/ftobjs.h 
b/include/freetype/internal/ftobjs.h
index c7ac1a7..07c5e70 100644
--- a/include/freetype/internal/ftobjs.h
+++ b/include/freetype/internal/ftobjs.h
@@ -40,6 +40,7 @@
 #include <freetype/ftincrem.h>
 #endif
 
+#include "compiler-macros.h"
 
 FT_BEGIN_HEADER
 
diff --git a/include/freetype/internal/ftserv.h 
b/include/freetype/internal/ftserv.h
index 68336f4..6e1a947 100644
--- a/include/freetype/internal/ftserv.h
+++ b/include/freetype/internal/ftserv.h
@@ -31,6 +31,7 @@
 #ifndef FTSERV_H_
 #define FTSERV_H_
 
+#include "compiler-macros.h"
 
 FT_BEGIN_HEADER
 
diff --git a/include/freetype/internal/ftvalid.h 
b/include/freetype/internal/ftvalid.h
index 62aea4d..a5bc6c9 100644
--- a/include/freetype/internal/ftvalid.h
+++ b/include/freetype/internal/ftvalid.h
@@ -20,8 +20,9 @@
 #define FTVALID_H_
 
 #include <ft2build.h>
-#include FT_CONFIG_STANDARD_LIBRARY_H   /* for ft_setjmp and ft_longjmp */
+#include FT_CONFIG_STANDARD_LIBRARY_H   /* for ft_jmpbuf */
 
+#include "compiler-macros.h"
 
 FT_BEGIN_HEADER
 
diff --git a/src/raster/ftraster.h b/src/raster/ftraster.h
index 1e5a725..1b2ee3c 100644
--- a/src/raster/ftraster.h
+++ b/src/raster/ftraster.h
@@ -24,6 +24,7 @@
 #include FT_CONFIG_CONFIG_H
 #include <freetype/ftimage.h>
 
+#include <freetype/internal/compiler-macros.h>
 
 FT_BEGIN_HEADER
 



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