-# sco_3.sh
-# Courtesy of Joel Rosi-Schwartz <joel@ftechne.co.uk>
-# To use gcc, do Configure -Dcc=gcc
-#
+# 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
+# by Andy Dougherty <doughera@lafcol.lafayette.edu>
+
+# To use gcc, use sh Configure -Dcc=gcc
+# But gcc will *not* do dynamic laoding on 3.2.5,
+# for that use sh Configure -Dcc=icc
+# See below for more details.
+
+# 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 may be first on the 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=3 ;; # this probabaly shouldn't happen
+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.
set X $libswanted
shift
libswanted="$*"
-#
+
# We don't want Xenix cross-development libraries
glibpth=`echo $glibpth | sed -e 's! /usr/lib/386 ! !' -e 's! /lib/386 ! !'`
xlibpth=''
-#
+
case "$cc" in
-gcc)
- ccflags="$ccflags -U M_XENIX"
+*gcc*) ccflags="$ccflags -U M_XENIX"
optimize="$optimize -O2"
;;
scocc) ;;
-*)
- ccflags="$ccflags -W0 -U M_XENIX"
+# On SCO 3.2v5 both cc and icc can build dynamic load, but cc core
+# dumps if optimised, so I am only setting this up for icc.
+# It is possible that some 3.2v4.2 system have icc, I seem to
+# recall it was available as a seperate product but I have no
+# knowledge if it can do dynamic loading and if so how.
+# Joel Rosi-Schwartz
+icc)# Apparently, SCO's cc gives rather verbose warnings
+ # Set -w0 to turn them off.
+ case $scorls in
+ 3) ccflags="$ccflags -W0 -quiet -U M_XENIX" ;;
+ 5) ccflags="$ccflags -belf -w0 -U M_XENIX"
+ optimize="-O1" # -g -O1 will not work
+ lddlflags='-G -L/usr/local/lib'
+ ldflags=' -W l,-Bexport -L/usr/local/lib'
+ dlext='so'
+ dlsrc='dl_dlopen.xs'
+ usedl='define'
+ ;;
+ esac
+ ;;
+
+*) # Apparently, miniperl core dumps if -O is used.
+ case "$optimize" in
+ '') optimize=none ;;
+ esac
+ # Apparently, SCO's cc gives rather verbose warnings
+ # Set -w0 to turn them off.
+ case $scorls in
+ 3) ccflags="$ccflags -W0 -quiet -U M_XENIX" ;;
+ 5) ccflags="$ccflags -w0 -U M_XENIX" ;;
+ esac
;;
esac
i_varargs=undef
# 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
+
+# Apparently, some versions of SCO include both .so and .a libraries,
+# but they don't mix as they do on other ELF systems. The upshot is
+# that Configure finds -ldl (libdl.so) but 'ld' complains it can't
+# find libdl.a.
+# I don't know which systems have this feature, so I'll just remove
+# -dl from libswanted for all SCO systems until someone can figure
+# out how to get dynamic loading working on SCO.
+#
+# The output of uname -X on one such system was
+# 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
+#
+# The 5.0.0 on the Release= line is probably the thing to watch.
+# Andy Dougherty <doughera@lafcol.lafayette.edu>
+# Thu Feb 1 15:06:56 EST 1996
+libswanted=`echo " $libswanted " | sed -e 's/ dl / /'`
+set X $libswanted
+shift
+libswanted="$*"
+
+# 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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