https://perl5.git.perl.org / metaconfig.git / blame
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1 | ?RCS: $Id: so.U 1 2006-08-24 12:32:52Z rmanfredi $ |
| 2 | ?RCS: | |
| 3 | ?RCS: Copyright (c) 1991-1997, 2004-2006, 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 4.0. | |
| 10 | ?RCS: | |
| 11 | ?RCS: $Log: so.U,v $ | |
| 12 | ?RCS: Revision 3.0.1.2 1994/10/29 16:30:04 ram | |
| 13 | ?RCS: patch36: now tells user how he can suppress shared lib lookup (ADO) | |
| 14 | ?RCS: patch36: removed echo at the top, since it's now in the here-doc (ADO) | |
| 15 | ?RCS: | |
| 16 | ?RCS: Revision 3.0.1.1 1994/06/20 07:07:02 ram | |
| 17 | ?RCS: patch30: created | |
| 18 | ?RCS: | |
| 19 | ?X: | |
| 20 | ?X: This unit computes the shared-object / shared-lib extension | |
| 21 | ?X: | |
| 22 | ?MAKE:so d_libname_unique: test libpth Loc Myread Oldconfig cat Setvar | |
| 23 | ?MAKE: -pick add $@ %< | |
| 24 | ?S:so: | |
| 25 | ?S: This variable holds the extension used to identify shared libraries | |
| 26 | ?S: (also known as shared objects) on the system. Usually set to 'so'. | |
| 27 | ?S:. | |
| 28 | ?S:d_libname_unique: | |
| 29 | ?S: This variable is defined if the target system insists on unique | |
| 30 | ?S: basenames for shared library files. This is currently true on Android, | |
| 31 | ?S: false everywhere else we know of. | |
| 32 | ?S: Defaults to 'undef'. | |
| 33 | ?S:. | |
| 34 | ?LINT:set d_libname_unique | |
| 35 | ?T: xxx | |
| 36 | : compute shared library extension | |
| 37 | case "$so" in | |
| 38 | '') | |
| 39 | if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then | |
| 40 | dflt='sl' | |
| 41 | else | |
| 42 | dflt='so' | |
| 43 | fi | |
| 44 | ;; | |
| 45 | *) dflt="$so";; | |
| 46 | esac | |
| 47 | $cat <<EOM | |
| 48 | ||
| 49 | On some systems, shared libraries may be available. Answer 'none' if | |
| 50 | you want to suppress searching of shared libraries for the remainder | |
| 51 | of this configuration. | |
| 52 | ||
| 53 | EOM | |
| 54 | rp='What is the file extension used for shared libraries?' | |
| 55 | . ./myread | |
| 56 | so="$ans" | |
| 57 | ||
| 58 | : Does target system insist that shared library basenames are unique | |
| 59 | $cat << EOM | |
| 60 | ||
| 61 | Some dynamic loaders assume that the *basename* of shared library filenames | |
| 62 | are globally unique. We'll default this to undef as we assume your system | |
| 63 | is not this weird. Set to defined if you're on one of them. | |
| 64 | ||
| 65 | EOM | |
| 66 | ||
| 67 | dflt='n' | |
| 68 | rp='Make shared library basenames unique?' | |
| 69 | . ./myread | |
| 70 | case "$ans" in | |
| 71 | y|Y) val="$define" ;; | |
| 72 | *) val="$undef" ;; | |
| 73 | esac | |
| 74 | set d_libname_unique | |
| 75 | eval $setvar | |
| 76 |