86 lines
4.0 KiB
Plaintext
86 lines
4.0 KiB
Plaintext
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The smakefile is a makefile for Amiga SAS/C 6.58 (no longer available,
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latest sold version was 6.50, updates can be found in Aminet). It is
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based on the version found in the sourcecode of ttf.library 0.83b for
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FreeType 1.3.1 from Richard Griffith (ragriffi@sprynet.com,
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http://ragriffi.home.sprynet.com).
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You will also need the latest include files and amiga.lib from the
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Amiga Developer CD V2.1 (or newer, I hope...) for AmigaOS 3.5, the
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generated code should work under AmigaOS 2.04 (V37) and up.
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To use it, call "smake assign" and then "smake" from the builds/amiga
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directory. The results are:
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- A link library "ft2_680x0.lib" (where x depends on the setting of
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the CPU entry in the smakefile) containing all FreeType2 parts
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except of the init code, debugging code, and the system interface
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code.
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- ftsystem.o, an object module containing the standard version of the
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system interface code which uses fopen() fclose() fread() fseek()
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ftell() malloc() realloc() and free() from lib:sc.lib (not pure).
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- ftsystempure.o, an object module containing the pure version of the
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system interface code which uses Open() Close() Read() Seek()
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ExamineFH() AsmAllocPooled() AsmFreePooled() etc. This version can
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be used in both normal programs and in Amiga run-time shared system
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librarys (can be linked with lib:libinit.o, no copying of DATA and
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BSS hunks for each OpenLibrary() necessary). Source code is in
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src/base/ftsystem.c.
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- ftdebug.o, an object module containing the standard version of the
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debugging code which uses vprintf() and exit() (not pure).
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Debugging can be turned on in FT:include/freetype/config/ftoption.h
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and with FT_SetTraceLevel().
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- ftdebugpure.o, an object module containing the pure version of the
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debugging code which uses KVPrintf() from lib:debug.lib and no
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exit(). For debugging of Amiga run-time shared system libraries.
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Source code is in src/base/ftdebug.c.
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- NO ftinit.o. Since linking with a link library should result in
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linking only the needed object modules in it, but standard
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ftsystem.o would force ALL FreeType2 modules to be linked to your
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program, I decided to use a different scheme: You must #include
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FT:src/base/ftinit.c in your sourcecode and specify with #define
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statements which modules you need. See
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include/freetype/config/ftmodule.h.
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To use in your own programs:
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- Insert the #define and #include statements from top of
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include/freetype/config/ftmodule.h in your source code and uncomment
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the #define statements for the FreeType2 modules you need.
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- You can use either PARAMETERS=REGISTER or PARAMETERS=STACK for
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calling the FreeType2 functions, since the link library and the
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object files are compiled with PARAMETERS=BOTH.
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- "smake assign" (assign "FT:" to the FreeType2 main directory).
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- Compile your program.
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- Link with either ftsystem.o or ftsystempure.o, if debugging enabled
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with either ftdebug.o or (ftdebugpure.o and lib:debug.lib), and with
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ft2_680x0.lib as link library.
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To adopt to other compilers:
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- The standard ANSI C maximum length of 31 significant characters in
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identifiers is not enough for FreeType2. Check if your compiler has
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a minimum length of 40 significant characters or can be switched to
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it. "idlen=40" is the option for SAS/C. Setting #define
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HAVE_LIMIT_ON_IDENTS in an include file may also work (not tested).
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- Make sure that the include directory in builds/amiga is searched
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before the normal FreeType2 include directory, so you are able to
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replace problematic include files with your own version (same may be
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useful for the src directory).
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- An example of how to replace/workaround a problematic include file
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is include/config/ftconfig.h; it changes a #define that would
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prevent SAS/C from generating XDEF's where it should do that and
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then includes the standard FreeType2 include file.
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