https://perl5.git.perl.org / metaconfig.git / blame
| Commit | Line | Data |
|---|---|---|
| 959f3c4c JH |
1 | ?RCS: $Id: spitshell.U,v 3.0.1.4 1997/02/28 16:22:12 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: spitshell.U,v $ | |
| 12 | ?RCS: Revision 3.0.1.4 1997/02/28 16:22:12 ram | |
| 13 | ?RCS: patch61: removed useless chatter as this is now done very early | |
| 14 | ?RCS: | |
| 15 | ?RCS: Revision 3.0.1.3 1995/01/11 15:37:01 ram | |
| 16 | ?RCS: patch45: use 'test -f' instead of 'test -r' for exec-only cat progs (WED) | |
| 17 | ?RCS: patch45: protected "sh -c" within backquotes for Linux and SGI | |
| 18 | ?RCS: | |
| 19 | ?RCS: Revision 3.0.1.2 1994/08/29 16:33:00 ram | |
| 20 | ?RCS: patch32: don't create spitshell under the UU directory | |
| 21 | ?RCS: patch32: allow for cat in /bin or /usr/bin | |
| 22 | ?RCS: | |
| 23 | ?RCS: Revision 3.0.1.1 1993/09/13 16:12:58 ram | |
| 24 | ?RCS: patch10: made #!-failure message more friendly (WAD) | |
| 25 | ?RCS: | |
| 26 | ?RCS: Revision 3.0 1993/08/18 12:09:49 ram | |
| 27 | ?RCS: Baseline for dist 3.0 netwide release. | |
| 28 | ?RCS: | |
| 29 | ?MAKE:spitshell shsharp sharpbang: eunicefix sh | |
| 30 | ?MAKE: -pick add $@ %< | |
| 31 | ?S:spitshell: | |
| 32 | ?S: This variable contains the command necessary to spit out a runnable | |
| 33 | ?S: shell on this system. It is either cat or a grep -v for # comments. | |
| 34 | ?S:. | |
| 35 | ?S:shsharp: | |
| 36 | ?S: This variable tells further Configure units whether your sh can | |
| 37 | ?S: handle # comments. | |
| 38 | ?S:. | |
| 39 | ?S:sharpbang: | |
| 40 | ?S: This variable contains the string #! if this system supports that | |
| 41 | ?S: construct. | |
| 42 | ?S:. | |
| 43 | ?T:xcat | |
| 44 | : see if sh knows # comments | |
| 45 | ?X: This is loaded up early, so avoid being chatty. | |
| 46 | ?X: echo " " | |
| 47 | ?X: echo "Checking your $sh to see if it knows about # comments..." >&2 | |
| 48 | if `$sh -c '#' >/dev/null 2>&1`; then | |
| 49 | ?X: echo "Your $sh handles # comments correctly." | |
| 50 | shsharp=true | |
| 51 | spitshell=cat | |
| 52 | ?X: echo " " | |
| 53 | ?X: echo "Okay, let's see if #! works on this system..." | |
| 54 | xcat=/bin/cat | |
| 55 | test -f $xcat || xcat=/usr/bin/cat | |
| 56 | echo "#!$xcat" >try | |
| 57 | $eunicefix try | |
| 58 | chmod +x try | |
| 59 | ./try > today | |
| 60 | if test -s today; then | |
| 61 | ?X: echo "It does." | |
| 62 | sharpbang='#!' | |
| 63 | else | |
| 64 | echo "#! $xcat" > try | |
| 65 | $eunicefix try | |
| 66 | chmod +x try | |
| 67 | ./try > today | |
| 68 | if test -s today; then | |
| 69 | ?X: echo "It does." | |
| 70 | sharpbang='#! ' | |
| 71 | else | |
| 72 | ?X: echo "Okay, let's see if #! works on this system..." | |
| 73 | ?X: echo "It's just a comment." | |
| 74 | sharpbang=': use ' | |
| 75 | fi | |
| 76 | fi | |
| 77 | else | |
| 78 | echo " " | |
| 79 | echo "Your $sh doesn't grok # comments--I will strip them later on." | |
| 80 | shsharp=false | |
| 81 | ?X: The spitshell script will be perused, so leave it out the UU directory | |
| 82 | cd .. | |
| 83 | echo "exec grep -v '^[ ]*#'" >spitshell | |
| 84 | chmod +x spitshell | |
| 85 | $eunicefix spitshell | |
| 86 | spitshell=`pwd`/spitshell | |
| 87 | cd UU | |
| 88 | echo "I presume that if # doesn't work, #! won't work either!" | |
| 89 | sharpbang=': use ' | |
| 90 | fi | |
| 91 | rm -f try today | |
| 92 |