?RCS: $Id$ ?RCS: ?RCS: Copyright (c) 1991-1997, 2004-2006, 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 4.0. ?RCS: ?RCS: $Log: Guess.U,v $ ?RCS: Revision 3.0.1.5 1995/07/25 13:37:14 ram ?RCS: patch56: now knows about OS/2 platforms ?RCS: ?RCS: Revision 3.0.1.4 1994/10/29 15:53:55 ram ?RCS: patch36: added ?F: line for metalint file checking ?RCS: patch36: call ./xenix explicitely instead of relying on PATH ?RCS: ?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 d_bsd d_linux d_dos d_os2: cat test echo n c \ contains rm tr Loc eunicefix ?MAKE: -pick add $@ %< ?S:d_eunice: ?S: This variable conditionally defines the symbols EUNICE_SYSTEM, which ?S: alerts the C program that it must deal with ideosyncracies of VMS. ?S:. ?S:d_xenix: ?S: This variable conditionally defines the symbol XENIX_SYSTEM, which alerts ?S: the C program that it runs under Xenix. ?S:. ?S:d_dos: ?S: This symbol conditionally defines the symbol DOS_SYSTEM when running on ?S: DOS with DJGPP or Cygwin. ?S:. ?S:d_os2: ?S: This symbol conditionally defines the symbol OS2_SYSTEM when running on ?S: an OS/2 system. ?S:. ?S:d_bsd: ?S: This symbol conditionally defines the symbol BSD_SYSTEM when running on a ?S: BSD system. ?S:. ?S:d_linux: ?S: This symbol conditionally defines the symbol LINUX_SYSTEM when running ?S: on a Linux system. ?S:. ?C:EUNICE_SYSTEM (EUNICE): ?C: This symbol, if defined, indicates that the program is being compiled ?C: under the EUNICE package under VMS. The program will need to handle ?C: things like files that don't go away the first time you unlink them, ?C: due to version numbering. It will also need to compensate for lack ?C: of a respectable link() command. ?C:. ?C:VMS_SYSTEM (VMS): ?C: This symbol, if defined, indicates that the program is running under ?C: VMS. It is currently only set in conjunction with the EUNICE symbol. ?C:. ?C:XENIX_SYSTEM (XENIX): ?C: This symbol, if defined, indicates that the program is running under ?C: Xenix (at least 3.0 ?). ?C:. ?C:DOS_SYSTEM: ?C: This symbol, if defined, indicates that the program is running under ?C: DOS with DJGPP. ?C:. ?C:OS2_SYSTEM: ?C: This symbol, if defined, indicates that the program is running under ?C: an OS/2 system. ?C:. ?C:BSD_SYSTEM: ?C: This symbol, if defined, indicates that the program is running under ?C: a BSD system. ?C:. ?C:LINUX_SYSTEM: ?C: This symbol, if defined, indicates that the program is running under ?C: a Linux system. ?C:. ?H:#$d_eunice EUNICE_SYSTEM /**/ ?H:#$d_eunice VMS_SYSTEM /**/ ?H:#$d_xenix XENIX_SYSTEM /**/ ?H:#$d_dos DOS_SYSTEM /**/ ?H:#$d_os2 OS2_SYSTEM /**/ ?H:#$d_bsd BSD_SYSTEM /**/ ?H:#$d_linux LINUX_SYSTEM /**/ ?H:. ?F:./bsd ./usg ./v7 ./osf1 ./eunice ./xenix ./venix ./dos ./os2 ./gnu ./linux ?T:xxx DJGPP MACHTYPE : make some quick guesses about what we are up against echo " " $echo $n "Hmm... $c" echo exit 1 >bsd echo exit 1 >usg echo exit 1 >v7 echo exit 1 >osf1 echo exit 1 >eunice echo exit 1 >xenix echo exit 1 >venix echo exit 1 >os2 echo exit 1 >gnu echo exit 1 >linux echo exit 1 >dos d_bsd="$undef" d_linux="$undef" d_dos="$undef" d_os2="$undef" ?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 $contains SIGTSTP foo >/dev/null 2>&1 ; then echo "Looks kind of like a BSD system, but we'll see..." d_bsd="$define" echo exit 0 >bsd elif $rm --version 2>/dev/null >foo; $contains "Free Software Foundation" foo >/dev/null then xxx=`uname` echo exit 0 >gnu echo "Looks kind of like a GNU/$xxx system, but we'll see..." if $test X$xxx = XLinux; then d_linux="$define" echo exit 0 >linux fi else echo "Looks kind of like a Version 7 system, but we'll see..." echo exit 0 >v7 fi case "$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="$undef" ;; esac case "$p_" in :) ;; *) $cat <<'EOI' I have the feeling something is not exactly right, however...don't tell me... EOI if test -n "$DJGPP"; then case "X${MACHTYPE:-nonesuchmach}" in cygwin) echo "hah!... you're running under Cygwin!";; *) echo "got it... you're running DOS with DJGPP!";; esac echo exit 0 >dos d_dos="$define" else $cat <<'EOI' lemme think...does HAL ring a bell?...no, of course, you're only running OS/2! EOI echo exit 0 >os2 d_os2="$define" fi ;; 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 dos os2 gnu linux $eunicefix bsd usg v7 osf1 eunice xenix venix dos os2 gnu linux $rm -f foo