

README for the builds/amiga subdirectory.



Copyright 2005 by

Werner Lemberg and Detlef Würkner.



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 makefile.os4 is for the AmigaOS4 SDK.  To use it, type

"make -f makefile.os4", it produces a link library libft2_ppc.a.



The makefile is for ppc-morphos-gcc-2.95.3-bin.tgz (gcc 2.95.3 hosted on

68k-Amiga producing MorphOS-PPC-binaries from http://www.morphos.de).

To use it, type "make assign", then "make"; it produces a link library

libft2_ppc.a.



The smakefile is a makefile for Amiga SAS/C 6.58 (no longer available,

latest sold version was 6.50, updates can be found in Aminet).  It is

based on the version found in the sourcecode of ttf.library 0.83b for

FreeType 1.3.1 from Richard Griffith (ragriffi@sprynet.com,

http://ragriffi.home.sprynet.com).



You will also need the latest include files and amiga.lib from the

Amiga web site (http://www.amiga.com/3.9/download/NDK3.9.lha) for

AmigaOS 3.9; the generated code should work under AmigaOS 2.04 and up.



To use it, call "smake assign" and then "smake" from the builds/amiga

directory.  The results are:



- A link library "ft2_680x0.lib" (where x depends on the setting of

  the CPU entry in the smakefile) containing all FreeType2 parts

  except of the init code, debugging code, and the system interface

  code.



- ftsystem.o, an object module containing the standard version of the

  system interface code which uses fopen() fclose() fread() fseek()

  ftell() malloc() realloc() and free() from lib:sc.lib (not pure).



- ftsystempure.o, an object module containing the pure version of the

  system interface code which uses Open() Close() Read() Seek()

  ExamineFH() AsmAllocPooled() AsmFreePooled() etc.  This version can

  be used in both normal programs and in Amiga run-time shared system

  librarys (can be linked with lib:libinit.o, no copying of DATA and

  BSS hunks for each OpenLibrary() necessary).  Source code is in

  src/base/ftsystem.c.



- ftdebug.o, an object module containing the standard version of the

  debugging code which uses vprintf() and exit() (not pure).

  Debugging can be turned on in FT:include/freetype/config/ftoption.h

  and with FT_SetTraceLevel().



- ftdebugpure.o, an object module containing the pure version of the

  debugging code which uses KVPrintf() from lib:debug.lib and no

  exit().  For debugging of Amiga run-time shared system libraries.

  Source code is in src/base/ftdebug.c.



- NO ftinit.o.  Because linking with a link library should result in

  linking only the needed object modules in it, but standard

  ftsystem.o would force ALL FreeType2 modules to be linked to your

  program, I decided to use a different scheme: You must #include

  FT:src/base/ftinit.c in your sourcecode and specify with #define

  statements which modules you need.  See

  include/freetype/config/ftmodule.h.





To use in your own programs:



- Insert the #define and #include statements from top of

  include/freetype/config/ftmodule.h in your source code and uncomment

  the #define statements for the FreeType2 modules you need.



- You can use either PARAMETERS=REGISTER or PARAMETERS=STACK for

  calling the FreeType2 functions, because the link library and the

  object files are compiled with PARAMETERS=BOTH.



- "smake assign" (assign "FT:" to the FreeType2 main directory).



- Compile your program.



- Link with either ftsystem.o or ftsystempure.o, if debugging enabled

  with either ftdebug.o or (ftdebugpure.o and lib:debug.lib), and with

  ft2_680x0.lib as link library.





To adapt to other compilers:



- The standard ANSI C maximum length of 31 significant characters in

  identifiers is not enough for FreeType2.  Check if your compiler has

  a minimum length of 40 significant characters or can be switched to

  it.  "idlen=40" is the option for SAS/C.  Setting #define

  HAVE_LIMIT_ON_IDENTS in an include file may also work (not tested).



- Make sure that the include directory in builds/amiga is searched

  before the normal FreeType2 include directory, so you are able to

  replace problematic include files with your own version (same may be

  useful for the src directory).



- An example of how to replace/workaround a problematic include file

  is include/config/ftconfig.h; it changes a #define that would

  prevent SAS/C from generating XDEF's where it should do that and

  then includes the standard FreeType2 include file.



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