| 1 | ?RCS: $Id: Guess.U,v 3.0.1.5 1995/07/25 13:37:14 ram Exp $ |
| 2 | ?RCS: |
| 3 | ?RCS: Copyright (c) 1991-1993, Raphael Manfredi |
| 4 | ?RCS: |
| 5 | ?RCS: You may redistribute only under the terms of the Artistic Licence, |
| 6 | ?RCS: as specified in the README file that comes with the distribution. |
| 7 | ?RCS: You may reuse parts of this distribution only within the terms of |
| 8 | ?RCS: that same Artistic Licence; a copy of which may be found at the root |
| 9 | ?RCS: of the source tree for dist 3.0. |
| 10 | ?RCS: |
| 11 | ?RCS: $Log: Guess.U,v $ |
| 12 | ?RCS: Revision 3.0.1.5 1995/07/25 13:37:14 ram |
| 13 | ?RCS: patch56: now knows about OS/2 platforms |
| 14 | ?RCS: |
| 15 | ?RCS: Revision 3.0.1.4 1994/10/29 15:53:55 ram |
| 16 | ?RCS: patch36: added ?F: line for metalint file checking |
| 17 | ?RCS: patch36: call ./xenix explicitly instead of relying on PATH |
| 18 | ?RCS: |
| 19 | ?RCS: Revision 3.0.1.3 1993/12/15 08:14:35 ram |
| 20 | ?RCS: patch15: variable d_bsd was not always set properly |
| 21 | ?RCS: |
| 22 | ?RCS: Revision 3.0.1.2 1993/08/30 08:57:14 ram |
| 23 | ?RCS: patch8: fixed comment which wrongly attributed the usrinc symbol |
| 24 | ?RCS: patch8: no more ugly messages when no /usr/include/ctype.h |
| 25 | ?RCS: |
| 26 | ?RCS: Revision 3.0.1.1 1993/08/27 14:37:37 ram |
| 27 | ?RCS: patch7: added support for OSF/1 machines |
| 28 | ?RCS: |
| 29 | ?RCS: Revision 3.0 1993/08/18 12:04:57 ram |
| 30 | ?RCS: Baseline for dist 3.0 netwide release. |
| 31 | ?RCS: |
| 32 | ?X: |
| 33 | ?X: This unit hazards some guesses as to what the general nature of the system |
| 34 | ?X: is. The information it collects here is used primarily to establish default |
| 35 | ?X: answers to other questions. |
| 36 | ?X: |
| 37 | ?MAKE:Guess d_eunice d_xenix d_bsd: cat test echo n c contains \ |
| 38 | rm Loc eunicefix tr |
| 39 | ?MAKE: -pick add $@ %< |
| 40 | ?S:d_eunice: |
| 41 | ?S: This variable conditionally defines the symbols EUNICE and VAX, which |
| 42 | ?S: alerts the C program that it must deal with idiosyncrasies of VMS. |
| 43 | ?S:. |
| 44 | ?S:d_xenix: |
| 45 | ?S: This variable conditionally defines the symbol XENIX, which alerts |
| 46 | ?S: the C program that it runs under Xenix. |
| 47 | ?S:. |
| 48 | ?S:d_bsd: |
| 49 | ?S: This symbol conditionally defines the symbol BSD when running on a |
| 50 | ?S: BSD system. |
| 51 | ?S:. |
| 52 | ?C:EUNICE: |
| 53 | ?C: This symbol, if defined, indicates that the program is being compiled |
| 54 | ?C: under the EUNICE package under VMS. The program will need to handle |
| 55 | ?C: things like files that don't go away the first time you unlink them, |
| 56 | ?C: due to version numbering. It will also need to compensate for lack |
| 57 | ?C: of a respectable link() command. |
| 58 | ?C:. |
| 59 | ?X: Should we define VMS here? Is Eunice actually used anymore? |
| 60 | ?X:?C:VMS: |
| 61 | ?X:?C: This symbol, if defined, indicates that the program is running under |
| 62 | ?X:?C: VMS. It is currently only set in conjunction with the EUNICE symbol. |
| 63 | ?X:?C:. |
| 64 | ?C:XENIX: |
| 65 | ?C: This symbol, if defined, indicates thet the program is running under |
| 66 | ?C: Xenix (at least 3.0 ?). |
| 67 | ?C:. |
| 68 | ?X: We don't use BSD in the perl source. It's too vague, and already |
| 69 | ?X: defined in some header files anyway (e.g. NetBSD). This just gives |
| 70 | ?X: us a spurious redefinition error upon compilation. |
| 71 | ?X: --Andy Dougherty Feb 11, 1998 |
| 72 | ?X: ?C:BSD: |
| 73 | ?X: ?C: This symbol, if defined, indicates that the program is running under |
| 74 | ?X: ?C: a BSD system. |
| 75 | ?X: ?C:. |
| 76 | ?H:#$d_eunice EUNICE /**/ |
| 77 | ?X:?H:#$d_eunice VMS /**/ |
| 78 | ?H:#$d_xenix XENIX /**/ |
| 79 | ?X: ?H:#$d_bsd BSD /**/ |
| 80 | ?H:. |
| 81 | ?F:./bsd ./usg ./v7 ./osf1 ./eunice ./xenix ./venix ./os2 |
| 82 | ?T:xxx |
| 83 | : make some quick guesses about what we are up against |
| 84 | echo " " |
| 85 | $echo $n "Hmm... $c" |
| 86 | echo exit 1 >bsd |
| 87 | echo exit 1 >usg |
| 88 | echo exit 1 >v7 |
| 89 | echo exit 1 >osf1 |
| 90 | echo exit 1 >eunice |
| 91 | echo exit 1 >xenix |
| 92 | echo exit 1 >venix |
| 93 | echo exit 1 >os2 |
| 94 | d_bsd="$undef" |
| 95 | ?X: |
| 96 | ?X: Do not use 'usrinc', or we get a circular dependency. because |
| 97 | ?X: usrinc is defined in usrinc.U, which relies on us... |
| 98 | ?X: |
| 99 | $cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null |
| 100 | if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1 |
| 101 | then |
| 102 | echo "Looks kind of like an OSF/1 system, but we'll see..." |
| 103 | echo exit 0 >osf1 |
| 104 | elif test `echo abc | $tr a-z A-Z` = Abc ; then |
| 105 | xxx=`./loc addbib blurfl $pth` |
| 106 | if $test -f $xxx; then |
| 107 | echo "Looks kind of like a USG system with BSD features, but we'll see..." |
| 108 | echo exit 0 >bsd |
| 109 | echo exit 0 >usg |
| 110 | else |
| 111 | if $contains SIGTSTP foo >/dev/null 2>&1 ; then |
| 112 | echo "Looks kind of like an extended USG system, but we'll see..." |
| 113 | else |
| 114 | echo "Looks kind of like a USG system, but we'll see..." |
| 115 | fi |
| 116 | echo exit 0 >usg |
| 117 | fi |
| 118 | elif $contains SIGTSTP foo >/dev/null 2>&1 ; then |
| 119 | echo "Looks kind of like a BSD system, but we'll see..." |
| 120 | d_bsd="$define" |
| 121 | echo exit 0 >bsd |
| 122 | else |
| 123 | echo "Looks kind of like a Version 7 system, but we'll see..." |
| 124 | echo exit 0 >v7 |
| 125 | fi |
| 126 | case "$eunicefix" in |
| 127 | *unixtovms*) |
| 128 | $cat <<'EOI' |
| 129 | There is, however, a strange, musty smell in the air that reminds me of |
| 130 | something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit. |
| 131 | EOI |
| 132 | echo exit 0 >eunice |
| 133 | d_eunice="$define" |
| 134 | : it so happens the Eunice I know will not run shell scripts in Unix format |
| 135 | ;; |
| 136 | *) |
| 137 | echo " " |
| 138 | echo "Congratulations. You aren't running Eunice." |
| 139 | d_eunice="$undef" |
| 140 | ;; |
| 141 | esac |
| 142 | : Detect OS2. The p_ variable is set above in the Head.U unit. |
| 143 | : Note that this also -- wrongly -- detects e.g. dos-djgpp, which also uses |
| 144 | : semicolon as a patch separator |
| 145 | case "$p_" in |
| 146 | :) ;; |
| 147 | *) |
| 148 | $cat <<'EOI' |
| 149 | I have the feeling something is not exactly right, however...don't tell me... |
| 150 | lemme think...does HAL ring a bell?...no, of course, you're only running OS/2! |
| 151 | (Or you may be running DOS with DJGPP.) |
| 152 | EOI |
| 153 | echo exit 0 >os2 |
| 154 | ;; |
| 155 | esac |
| 156 | if test -f /xenix; then |
| 157 | echo "Actually, this looks more like a XENIX system..." |
| 158 | echo exit 0 >xenix |
| 159 | d_xenix="$define" |
| 160 | else |
| 161 | echo " " |
| 162 | echo "It's not Xenix..." |
| 163 | d_xenix="$undef" |
| 164 | fi |
| 165 | chmod +x xenix |
| 166 | $eunicefix xenix |
| 167 | if test -f /venix; then |
| 168 | echo "Actually, this looks more like a VENIX system..." |
| 169 | echo exit 0 >venix |
| 170 | else |
| 171 | echo " " |
| 172 | if ./xenix; then |
| 173 | : null |
| 174 | else |
| 175 | echo "Nor is it Venix..." |
| 176 | fi |
| 177 | fi |
| 178 | chmod +x bsd usg v7 osf1 eunice xenix venix os2 |
| 179 | $eunicefix bsd usg v7 osf1 eunice xenix venix os2 |
| 180 | $rm -f foo |
| 181 | |