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|---|
| 2304df62 |
1 | ?X: These units are based on the ones supplied with dist-3.0 |
| 2 | ?X: patchlevel 22. They have been changed or enhanced to work with |
| 3 | ?X: perl5alpha. I would appreciate hearing about any changes, |
| 4 | ?X: corrections, or enhancements. |
| 5 | ?X: Andy Dougherty doughera@lafcol.lafayette.edu |
| 6 | ?X: Dept. of Physics |
| 7 | ?X: Lafayette College |
| 8 | ?X: Easton, PA 18042-1782 |
| 9 | ?X: Sat Apr 2 15:45:17 EST 1994 |
| 10 | ?RCS: $Id: libs.U,v 3.0.1.1 1993/08/25 14:02:31 ram Exp $ |
| 11 | ?RCS: |
| 12 | ?RCS: Copyright (c) 1991-1993, Raphael Manfredi |
| 13 | ?RCS: |
| 14 | ?RCS: You may redistribute only under the terms of the Artistic Licence, |
| 15 | ?RCS: as specified in the README file that comes with the distribution. |
| 16 | ?RCS: You may reuse parts of this distribution only within the terms of |
| 17 | ?RCS: that same Artistic Licence; a copy of which may be found at the root |
| 18 | ?RCS: of the source tree for dist 3.0. |
| 19 | ?RCS: |
| 20 | ?RCS: $Log: libs.U,v $ |
| 21 | ?RCS: Revision 3.0.1.1 1993/08/25 14:02:31 ram |
| 22 | ?RCS: patch6: added default for libs |
| 23 | ?RCS: |
| 24 | ?RCS: Revision 3.0 1993/08/18 12:09:03 ram |
| 25 | ?RCS: Baseline for dist 3.0 netwide release. |
| 26 | ?RCS: |
| 27 | ?MAKE:libs: test cat Myread Oldconfig Loc libpth package xlibpth |
| 28 | ?MAKE: -pick add $@ %< |
| 29 | ?S:libs: |
| 30 | ?S: This variable holds the additional libraries we want to use. |
| 31 | ?S: It is up to the Makefile to deal with it. |
| 32 | ?S:. |
| 33 | ?T:xxx yyy zzz thislib thatlib libswanted |
| 34 | ?D:libs='' |
| 35 | ?X: |
| 36 | ?X: This order is chosen so that libraries -lndir, -ldir, -lucb, -lbsd, |
| 37 | ?X: -lBSD, -lPW, and -lx only get used if there are unresolved |
| 38 | ?X: routines at link time. Usually, these are backwards compatability |
| 39 | ?X: libraries, and may not be as reliable as the standard c library. |
| 40 | ?X: The ordering of c_s, posix, and cposix is a guess and almost |
| 41 | ?X: certainly wrong on about half of all systems. |
| 42 | ?INIT:libswanted="net socket nsl inet nm sdbm gdbm ndbm dbm malloc dl dld sun m c_s posix cposix ndir dir ucb bsd BSD PW x" |
| 43 | ?INIT: |
| 44 | : Looking for optional libraries |
| 45 | echo " " |
| 46 | echo "Checking for optional libraries..." >&4 |
| 47 | case "$libs" in |
| 48 | ' '|'') dflt='';; |
| 49 | *) dflt="$libs";; |
| 50 | esac |
| 51 | case "$libswanted" in |
| 52 | '') libswanted='c_s';; |
| 53 | esac |
| 54 | for thislib in $libswanted; do |
| 55 | case "$thislib" in |
| 56 | dbm) thatlib=ndbm;; |
| 57 | *_s) thatlib=NONE;; |
| 58 | *) thatlib="${thislib}_s";; |
| 59 | esac |
| 60 | xxx=`./loc lib$thislib.a X $libpth` |
| 61 | yyy=`./loc lib$thatlib.a X $libpth` |
| 62 | zzz=`./loc lib$thislib.so.[0-9]'*' $libpth` |
| 63 | if $test -f $xxx; then |
| 64 | echo "Found -l$thislib." |
| 65 | case "$dflt" in |
| 66 | "*-l$thislib *.*"|"*-l$thatlib *.*") ;; |
| 67 | *) dflt="$dflt -l$thislib";; |
| 68 | esac |
| 69 | elif $test -f $yyy; then |
| 70 | echo "Found -l$thatlib." |
| 71 | case "$dflt" in |
| 72 | "*-l$thislib *.*"|"*-l$thatlib *.*") ;; |
| 73 | *) dflt="$dflt -l$thatlib";; |
| 74 | esac |
| 75 | elif $test -f $zzz; then |
| 76 | echo "Found -$thislib." |
| 77 | case "$dflt" in |
| 78 | "*-l$thislib *.*"|"*-l$thatlib *.*") ;; |
| 79 | *) dflt="$dflt -l$thislib";; |
| 80 | esac |
| 81 | else |
| 82 | xxx=`./loc Slib$thislib.a X $xlibpth` |
| 83 | yyy=`./loc Slib$thatlib.a X $xlibpth` |
| 84 | if $test -f $xxx; then |
| 85 | echo "Found -l$thislib." |
| 86 | case "$dflt" in |
| 87 | "*-l$thislib *.*"|"*-l$thatlib *.*") ;; |
| 88 | *) dflt="$dflt -l$thislib";; |
| 89 | esac |
| 90 | elif $test -f $yyy; then |
| 91 | echo "Found -l$thatlib." |
| 92 | case "$dflt" in |
| 93 | "*-l$thislib *.*"|"*-l$thatlib *.*") ;; |
| 94 | *) dflt="$dflt -l$thatlib";; |
| 95 | esac |
| 96 | else |
| 97 | echo "No -l$thislib." |
| 98 | fi |
| 99 | fi |
| 100 | done |
| 101 | set X $dflt |
| 102 | shift |
| 103 | dflt="$*" |
| 104 | case "$libs" in |
| 105 | '') dflt="$dflt";; |
| 106 | *) dflt="$libs";; |
| 107 | esac |
| 108 | case "$dflt" in |
| 109 | ' '|'') dflt='none';; |
| 110 | esac |
| 111 | |
| 112 | $cat <<EOM |
| 113 | |
| 114 | Some versions of Unix support shared libraries, which make executables smaller |
| 115 | but make load time slightly longer. |
| 116 | |
| 117 | On some systems, mostly newer Unix System V's, the shared library is included |
| 118 | by putting the option "-lc_s" as the last thing on the cc command line when |
| 119 | linking. Other systems use shared libraries by default. There may be other |
| 120 | libraries needed to compile $package on your machine as well. If your system |
| 121 | needs the "-lc_s" option, include it here. Include any other special libraries |
| 122 | here as well. Say "none" for none. |
| 123 | EOM |
| 124 | |
| 125 | echo " " |
| 126 | rp="Any additional libraries?" |
| 127 | . ./myread |
| 128 | case "$ans" in |
| 129 | none) libs=' ';; |
| 130 | *) libs="$ans";; |
| 131 | esac |
| 132 | |
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