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# sco.sh
# Courtesy of Joel Rosi-Schwartz <j.schwartz@agonet.it>
# Additional SCO version info from
# Peter Wolfe <wolfe@teloseng.com>
# Last revised
# Fri Jul 19 14:54:25 EDT 1996
# and again Tue Sep 29 16:37:25 EDT 1998
# by Andy Dougherty <doughera@lafayette.edu>
# To use gcc, use sh Configure -Dcc=gcc
# To use icc, use sh Configure -Dcc=icc
# figure out what SCO version we are. The output of uname -X is
# something like:
# System = SCO_SV
# Node = xxxxx
# Release = 3.2v5.0.0
# KernelID = 95/08/08
# Machine = Pentium
# BusType = ISA
# Serial = xxxxx
# Users = 5-user
# OEM# = 0
# Origin# = 1
# NumCPU = 1
# Use /bin/uname (because GNU uname may be first in $PATH and
# it does not support -X) to figure out what SCO version we are:
case `/bin/uname -X | egrep '^Release'` in
*3.2v4.*) scorls=3 ;; # I don't know why this is 3 instead of 4.
*3.2v5.*) scorls=5 ;;
*) scorls=5 ;; # Hope the future will be compatible.
esac
# Try to use libintl.a since it has strcoll and strxfrm
libswanted="intl $libswanted"
# Try to use libdbm.nfs.a since it has dbmclose.
#
if test -f /usr/lib/libdbm.nfs.a ; then
libswanted=`echo "dbm.nfs $libswanted " | sed -e 's/ dbm / /'`
set X $libswanted
shift
libswanted="$*"
fi
# We don't want Xenix cross-development libraries
glibpth=`echo $glibpth | sed -e 's! /usr/lib/386 ! !' -e 's! /lib/386 ! !'`
xlibpth=''
# Common fix for all compilers.
ccflags="$ccflags -U M_XENIX"
# Set flags for optimization and warning levels.
case "$cc" in
*gcc*) case "$optimize" in
'') optimize='-O2' ;;
esac
;;
scocc) ;; # Anybody know anything about this?
*) # icc or cc -- only relevant difference is safe level of
# optimization. Apparently.
case $scorls in
3) ccflags="$ccflags -W0 -quiet" ;;
*) ccflags="$ccflags -w0 -DPERL_SCO5" ;;
esac
case "$optimize" in
'') case "$cc" in
icc) optimize="-O1" ;;
*) optimize="-O0" ;;
esac
;;
esac
;;
esac
# DYNAMIC LOADING: Dynamic loading won't work with scorls=3.
# It ought to work with Release = 3.2v5.0.0 or later.
if test "$scorls" = "3" -a "X$usedl" = "X"; then
usedl=$undef
else
# I do not know exactly which of these are essential,
# but this set has been recommended. --AD
# These ought to be patched back into metaconfig, but the
# current metaconfig units don't touch ccflags.
# Unfortunately, the default on SCO is to produce COFF output, but
# ELF is needed for dynamic loading, and the cc man page recommends
# "Always specify option -b elf if ELF and COFF files might be mixed."
# Therefore, we'll compile everything with -b elf.
case "$cc" in
*gcc*) ;;
*) ccflags="$ccflags -b elf" ;;
esac
cccdlflags=none
ccdlflags='-W l,-Bexport'
lddlflags="$lddlflags -b elf -G"
ldflags="$ldflags -b elf -W l,-Bexport"
dlext='so'
dlsrc='dl_dlopen.xs'
d_dlerror='define'
d_dlopen='define'
usedl='define'
fi
# I have received one report that nm extraction doesn't work if you're
# using the scocc compiler. This system had the following 'myconfig'
# uname='xxx xxx 3.2 2 i386 '
# cc='scocc', optimize='-O'
# You can override this with Configure -Dusenm.
case "$usenm" in
'') usenm='false' ;;
esac
# If you want to use nm, you'll probably have to use nm -p. The
# following does that for you:
nm_opt='-p'
# I have received one report that you can't include utime.h in
# pp_sys.c. Uncomment the following line if that happens to you:
# i_utime=undef
# Perl 5.003_05 and later try to include both <time.h> and <sys/select.h>
# in pp_sys.c, but that fails due to a redefinition of struct timeval.
# This will generate a WHOA THERE. Accept the default.
i_sysselct=$undef
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