| [d1b1380] | 1 | /* > whichos.h |
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| 2 | * Determines which OS Survex will try to compile for |
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| 3 | * Copyright (C) 1993-1995 Olly Betts |
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| 4 | */ |
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| 5 | |
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| 6 | /* Built-in #define-s that identify compilers: (initals => checked) |
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| 7 | * __arm (Acorn) Norcroft RISC OS ARM C vsn 4.00 (OJWB) |
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| 8 | * also __CC_NORCROFT __riscos __acorn |
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| 9 | * unix,UNIX Unix systems (?) |
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| 10 | * __MSDOS__ Borland C++ (OJWB) |
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| 11 | * [also __BORLANDC__ (version num) __TURBOC__ (version num)] |
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| 12 | * __TURBOC__ Turbo C |
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| 13 | * __GO32__,unix,MSDOS,__DJGPP__ DJGPP (W) (also GO32, __MSDOS__) |
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| 14 | * _MSDOS, (MSDOS not ANSI) Microsoft C (OJWB) |
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| 15 | * MC68000, mc68000, SOZOBON, ATARI_ST, TOS|MINIX |
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| 16 | * Sozobon C (OJWB from MM's docs) |
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| 17 | */ |
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| 18 | |
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| 19 | #ifndef WHICHOS_H |
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| 20 | # define WHICHOS_H |
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| 21 | |
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| 22 | /* if OS has been defined, then assume they know what they're up to */ |
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| 23 | # ifndef OS |
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| 24 | /* Okay, let's try to be clever and auto-detect - if OS gets defined more |
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| 25 | * than once, compiler should barf and warn user |
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| 26 | */ |
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| [a420b49] | 27 | # ifdef __riscos |
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| 28 | # define OS RISCOS |
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| [d1b1380] | 29 | # endif |
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| 30 | # if (defined (_MSDOS) || defined(MSDOS) || defined(__MSDOS__)) |
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| 31 | # undef unix /* DJGPP defines this */ |
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| 32 | # undef MSDOS |
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| 33 | # define OS MSDOS |
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| 34 | # endif |
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| 35 | # if (defined(unix) || defined(UNIX)) |
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| 36 | # undef UNIX /* to stop it causing problems later */ |
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| 37 | # define OS UNIX |
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| 38 | # endif |
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| 39 | # if (defined(ATARI_ST) || defined(TOS)) |
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| 40 | # undef TOS |
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| 41 | # define OS TOS |
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| 42 | # endif |
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| [5257629] | 43 | # if (defined(__WIN32__)) |
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| 44 | # undef WIN32 |
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| 45 | # define OS WIN32 |
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| 46 | # endif |
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| [d1b1380] | 47 | /* etc ... */ |
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| 48 | # endif /*!defined(OS)*/ |
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| 49 | |
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| 50 | /* predefine OS to be one of these (eg in the make file) to force a compile |
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| 51 | * for an OS/compiler combination not support or that clashes somehow. |
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| 52 | * eg with -DOS=AMIGA to predefine OS as AMIGA |
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| 53 | */ |
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| 54 | # define RISCOS 1 |
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| 55 | # define MSDOS 2 |
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| 56 | # define UNIX 3 |
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| 57 | # define AMIGA 4 |
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| 58 | # define TOS 5 |
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| [5257629] | 59 | # define WIN32 6 |
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| [d1b1380] | 60 | /* Just numbers, not a rating system ;) */ |
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| 61 | |
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| 62 | /* One last check, in case nothing worked */ |
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| 63 | # ifndef OS |
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| 64 | # error Sorry, do not know what OS to compile for - look at whichos.h |
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| 65 | # endif |
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| 66 | #endif |
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