| 1 | /* whichos.h |
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| 2 | * Determines which OS Survex will try to compile for |
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| 3 | * Copyright (C) 1993-1995,2002,2003 Olly Betts |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 18 | */ |
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| 19 | |
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| 20 | /* Built-in #define-s that identify compilers: (initals => checked) |
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| 21 | * unix,UNIX Unix systems (?) |
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| 22 | * __TURBOC__ Turbo C |
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| 23 | * MacOSX with apple modified gcc: |
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| 24 | * -D__ppc__ -D__MACH__ -D__APPLE__ -D__APPLE_CC__=932 |
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| 25 | */ |
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| 26 | |
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| 27 | #ifndef WHICHOS_H |
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| 28 | # define WHICHOS_H |
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| 29 | |
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| 30 | /* if OS has been defined, then assume they know what they're up to */ |
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| 31 | # ifndef OS |
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| 32 | /* Okay, let's try to be clever and auto-detect - if OS gets defined more |
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| 33 | * than once, compiler should barf and warn user |
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| 34 | */ |
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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(__GNUC__) && defined(__APPLE_CC__) |
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| 40 | /* Mac OS X is Unix underneath */ |
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| 41 | # define OS UNIX |
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| 42 | # endif |
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| 43 | # if (defined (WIN32) || 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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| 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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| 59 | # define WIN32 6 |
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| 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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