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Diffstat (limited to 'U/Guess.U')
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diff --git a/U/Guess.U b/U/Guess.U new file mode 100644 index 0000000000..c7566db87b --- /dev/null +++ b/U/Guess.U @@ -0,0 +1,153 @@ +?RCS: $Id: Guess.U,v 3.0.1.3 1993/12/15 08:14:35 ram Exp $ +?RCS: +?RCS: Copyright (c) 1991-1993, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 3.0. +?RCS: +?RCS: $Log: Guess.U,v $ +?RCS: Revision 3.0.1.3 1993/12/15 08:14:35 ram +?RCS: patch15: variable d_bsd was not always set properly +?RCS: +?RCS: Revision 3.0.1.2 1993/08/30 08:57:14 ram +?RCS: patch8: fixed comment which wrongly attributed the usrinc symbol +?RCS: patch8: no more ugly messages when no /usr/include/ctype.h +?RCS: +?RCS: Revision 3.0.1.1 1993/08/27 14:37:37 ram +?RCS: patch7: added support for OSF/1 machines +?RCS: +?RCS: Revision 3.0 1993/08/18 12:04:57 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?X: +?X: This unit hazards some guesses as to what the general nature of the system +?X: is. The information it collects here is used primarily to establish default +?X: answers to other questions. +?X: +?MAKE:Guess d_eunice d_xenix: cat test echo n c contains rm Loc eunicefix +?MAKE: -pick add $@ %< +?S:d_eunice: +?S: This variable conditionally defines the symbols EUNICE and VAX, which +?S: alerts the C program that it must deal with ideosyncracies of VMS. +?S:. +?S:d_xenix: +?S: This variable conditionally defines the symbol XENIX, which alerts +?S: the C program that it runs under Xenix. +?S:. +?X:We don't use BSD in the source. It's too vague, and often defined +?X:in header files anyway (e.g. NetBSD). +?X:?S:d_bsd: +?X:?S: This symbol conditionally defines the symbol BSD when running on a +?X:?S: BSD system. +?X:?S:. +?C:EUNICE: +?C: This symbol, if defined, indicates that the program is being compiled +?C: under the EUNICE package under VMS. The program will need to handle +?C: things like files that don't go away the first time you unlink them, +?C: due to version numbering. It will also need to compensate for lack +?C: of a respectable link() command. +?C:. +?C:VMS: +?C: This symbol, if defined, indicates that the program is running under +?C: VMS. It is currently only set in conjunction with the EUNICE symbol. +?C:. +?C:XENIX: +?C: This symbol, if defined, indicates thet the program is running under +?C: Xenix (at least 3.0 ?). +?C:. +?X:We don't use BSD in the source. It's too vague. +?X:?C:BSD: +?X:?C: This symbol, if defined, indicates that the program is running under +?X:?C: a BSD system. +?X:?C:. +?H:#$d_eunice EUNICE /**/ +?H:#$d_eunice VMS /**/ +?H:#$d_xenix XENIX /**/ +?X:?H:#$d_bsd BSD /**/ +?H:. +?T:xxx +: make some quick guesses about what we are up against +echo " " +$echo $n "Hmm... $c" +echo exit 1 >bsd +echo exit 1 >usg +echo exit 1 >v7 +echo exit 1 >osf1 +echo exit 1 >eunice +echo exit 1 >xenix +echo exit 1 >venix +?X: +?X: Do not use 'usrinc', or we get a circular dependency. because +?X: usrinc is defined in usrinc.U, which relies on us... +?X: +$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null +if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1 +then + echo "Looks kind of like an OSF/1 system, but we'll see..." + echo exit 0 >osf1 +elif test `echo abc | tr a-z A-Z` = Abc ; then + xxx=`./loc addbib blurfl $pth` + if $test -f $xxx; then + echo "Looks kind of like a USG system with BSD features, but we'll see..." + echo exit 0 >bsd + echo exit 0 >usg + else + if $contains SIGTSTP foo >/dev/null 2>&1 ; then + echo "Looks kind of like an extended USG system, but we'll see..." + else + echo "Looks kind of like a USG system, but we'll see..." + fi + echo exit 0 >usg + fi +elif $contains SIGTSTP foo >/dev/null 2>&1 ; then + echo "Looks kind of like a BSD system, but we'll see..." + echo exit 0 >bsd +else + echo "Looks kind of like a Version 7 system, but we'll see..." + echo exit 0 >v7 +fi +case "$eunicefix" in +*unixtovms*) + $cat <<'EOI' +There is, however, a strange, musty smell in the air that reminds me of +something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit. +EOI + echo exit 0 >eunice + d_eunice="$define" +: it so happens the Eunice I know will not run shell scripts in Unix format + ;; +*) + echo " " + echo "Congratulations. You aren't running Eunice." + d_eunice="$undef" + ;; +esac +if test -f /xenix; then + echo "Actually, this looks more like a XENIX system..." + echo exit 0 >xenix + d_xenix="$define" +else + echo " " + echo "It's not Xenix..." + d_xenix="$undef" +fi +chmod +x xenix +$eunicefix xenix +if test -f /venix; then + echo "Actually, this looks more like a VENIX system..." + echo exit 0 >venix +else + echo " " + if xenix; then + : null + else + echo "Nor is it Venix..." + fi +fi +chmod +x bsd usg v7 osf1 eunice xenix venix +$eunicefix bsd usg v7 osf1 eunice xenix venix +$rm -f foo + |