X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl_exp.SH;h=6bf0d7c941fa4bceffe3afbe64ca50a0ff88ec8d;hb=619ffc2be66f166b301c5b0d14a8bbba728675bc;hp=d941b0eb31d8b88342c9a203b0841c4a44e132a0;hpb=43cc1d52f97c5f21f3207f045444707e7be33927;p=p5sagit%2Fp5-mst-13.2.git diff --git a/perl_exp.SH b/perl_exp.SH old mode 100755 new mode 100644 index d941b0e..6bf0d7c --- a/perl_exp.SH +++ b/perl_exp.SH @@ -1,33 +1,88 @@ #!/bin/sh - -# Written: Nov 1994 Wayne Scott (wscott@ichips.intel.com) - +# +# Written: Nov 1994 Wayne Scott +# +# Updated: 1997-8 Jarkko Hietaniemi +# # Create the export list for perl. # Needed by AIX to do dynamic linking. - -# This simple program relys on 'global.sym' being up to date -# with all of the global symbols that a dynamicly link library -# might want to access. - -# All symbols have a Perl_ prefix because that's what embed.h +# +# This simple program relies on global.sym and few other *.sym files +# and the *var*.h files being up to date with all of the global +# symbols that a dynamic link library might want to access. +# +# Most symbols have a Perl_ or PL_prefix because that's what embed.h # sticks in front of them. +# +# AIX requires the list of external symbols (variables or functions) +# that are made available for another executable object file the import. +# The list is called the export file and it is a simple text file. +# The first line must be +#! +# That is, hash-bang, pound-shout, however you want to call it. +# The remainder of the file are the names of the symbols, one per line. +# The file is then given to the system loader (cc/xlc command line) +# as -bE:export.file. + +case $CONFIG in +'') + if test -f config.sh; then TOP=.; + elif test -f ../config.sh; then TOP=..; + elif test -f ../../config.sh; then TOP=../..; + elif test -f ../../../config.sh; then TOP=../../..; + elif test -f ../../../../config.sh; then TOP=../../../..; + else + echo "Can't find config.sh."; exit 1 + fi + . $TOP/config.sh + ;; +esac +: This forces SH files to create target in same directory as SH file. +: This is so that make depend always knows where to find SH derivatives. +case "$0" in +*/*) cd `expr X$0 : 'X\(.*\)/'` ;; +esac echo "Extracting perl.exp" rm -f perl.exp echo "#!" > perl.exp -sed -n '/^[A-Za-z]/ s/^/Perl_/p' global.sym >> perl.exp +# No compat3 since 5.004_50. +# No interp.sym since 5.005_03. +# perlio.sym will added later if needed. + +syms="global.sym pp.sym" -# also add symbols from interp.sym -# They are only needed if -DMULTIPLICITY is not set but it -# doesn't hurt to include them anyway. -sed -n '/^[A-Za-z]/ p' interp.sym >> perl.exp +sed -n '/^[A-Za-z]/ s/^/Perl_/p' $syms >> perl.exp +sed -n '/^[A-Za-z]/ s/^/PL_/p' globvar.sym >> perl.exp -# extra globals not included above. -cat <> perl.exp +sed -n 's/^PERLVAR.*(G\([^[,]*\).*/PL_\1/p' perlvars.h >> perl.exp +sed -n 's/^PERLVAR.*(I\([^[,]*\).*/PL_\1/p' intrpvar.h >> perl.exp +sed -n 's/^PERLVAR.*(T\([^[,]*\).*/PL_\1/p' thrdvar.h >> perl.exp + +# +# If we use the PerlIO abstraction layer, add its symbols. +# + +if [ "X$useperlio" = "Xdefine" ] +then + grep '^[A-Za-z]' perlio.sym >> perl.exp +fi + +# +# Extra globals not included above (including a few that might +# not actually be defined, but there's no harm in that). +# + +cat >>perl.exp <