--- /dev/null
+If you read this file _as_is_, just ignore the funny characters you
+see. It is written in the POD format (see perlpod manpage) which is
+specially designed to be readable as is.
+
+=head1 NAME
+
+perldgux - Perl under DG/UX.
+
+=head1 SYNOPSIS
+
+One can read this document in the following formats:
+
+ man perldgux
+ view perl perldgux
+ explorer perldgux.html
+ info perldgux
+
+to list some (not all may be available simultaneously), or it may
+be read I<as is>: as F<README.dgux>.
+
+=cut
+
+Contents
+
+ perldgux - Perl under DG/UX.
+
+ NAME
+ SYNOPSIS
+ DESCRIPTION
+ BUILD
+ - Non-threaded Case
+ - Threaded Case
+ - Testing
+ - Installing the built perl
+ AUTHOR
+ SEE ALSO
+
+=head1 DESCRIPTION
+
+Perl 5.7/8.x for DG/UX ix86 R4.20MU0x
+
+=head1 BUILD
+
+=head2 Non-threaded Case
+
+Just run ./Configure script from the top directory.
+Then give "make" to compile.
+
+=head2 Threaded Case
+
+If you are using as compiler GCC-2.95.x rev(DG/UX)
+an easy solution for configuring perl in your DG/UX
+machine is to run the command:
+
+./Configure -Dusethreads -Duse5005threads -des
+
+This will automatically accept all the defaults and
+in particular /usr/local/ as installation directory.
+Note that GCC-2.95.x rev(DG/UX) knows the switch
+-pthread whcih allows it to link correctly DG/UX's
+-lthread library.
+
+If you want to change the installtion directory or
+have a standard DG/UX with C compiler GCC-2.7.2.x
+then you have no choice than to do an interactive
+build by issuing the command:
+
+./Configure -Dusethreads -Duse5005threads
+
+In particular with GCC-2.7.2.x accept all the defaults
+and *watch* out for the message:
+
+====
+Any additional ld flags (NOT including libraries)? [ -pthread]
+====
+
+Instead of -pthread put here -lthread. CGCC-2.7.2.x
+that comes with the DG/UX OS does NOT know the -pthread
+switch. So your build will fail if you choose the defaults.
+After configuration is done correctly give "make" to compile.
+
+=head2 Testing
+
+Issuing a "make test" will run all the tests.
+If the test lib/ftmp-security gives you as a result
+something like
+
+=====
+lib/ftmp-security....File::Temp::_gettemp:
+Parent directory (/tmp/) is not safe (sticky bit not set
+when world writable?) at lib/ftmp-security.t line 100
+=====
+
+don't panic and just set the sticky bit in your /tmp
+directory by doing the following as root:
+
+cd /
+chmod +t /tmp (=set the sticky bit to /tmp).
+
+Then rerun the tests. This time all must be OK.
+
+=head2 Installing the built perl
+
+Run the command "make install"
+
+=head1 AUTHOR
+
+Takis Psarogiannakopoulos
+Universirty of Cambridge
+Centre for Mathematical Sciences
+Department of Pure Mathematics
+Wilberforce road
+Cambridge CB3 0WB , UK
+email <takis@xfree86.org>
+
+=head1 SEE ALSO
+
+perl(1).
+
+=cut
+
-# $Id: dgux.sh,v 1.8 1996-11-29 18:16:43-05 roderick Exp $
+# $Id: dgux.sh,v 1.9 2001-05-07 00:06:00-05 Takis Exp $
-# This is a hints file for DGUX, which is Data General's Unix. It was
-# originally developed with version 5.4.3.10 of the OS, and then was
+# This is a hints file for DGUX, which is EMC's Data General's Unix. It
+# was originally developed with version 5.4.3.10 of the OS, and then was
# later updated running under version 4.11.2 (running on m88k hardware).
# The gross features should work with versions going back to 2.nil but
# some tweaking will probably be necessary.
#
# -Roderick Schertler <roderick@argon.org>
-# Here are the things from some old DGUX hints files which are different
-# from what's in here now. I don't know the exact reasons that most of
-# these settings were in the hints files, presumably they can be chalked
-# up to old Configure inadequacies and changes in the OS headers and the
-# like. These settings might make a good place to start looking if you
-# have problems.
-#
-# This was specified the the 4.036 hints file. That hints file didn't
-# say what version of the OS it was developed using.
-#
-# cppstdin='/lib/cpp'
-#
-# The 4.036 and 5.001 hints files both contained these. The 5.001 hints
-# file said it was developed with version 2.01 of DGUX.
-#
-# gidtype='gid_t'
-# groupstype='gid_t'
-# uidtype='uid_t'
-# d_index='define'
-# cc='gcc'
-#
-# These were peculiar to the 5.001 hints file.
-#
-# ccflags='-D_POSIX_SOURCE -D_DGUX_SOURCE'
-#
-# # an ugly hack, since the Configure test for "gcc -P -" hangs.
-# # can't just use 'cppstdin', since our DG has a broken cppstdin :-(
-# cppstdin=`cd ..; pwd`/cppstdin
-# cpprun=`cd ..; pwd`/cppstdin
-#
-# One last note: The 5.001 hints file said "you don't want to use
-# /usr/ucb/cc" in the place at which it set cc to gcc. That in
-# particular baffles me, as I used to have 2.01 loaded and my memory
-# is telling me that even then /usr/ucb was a symlink to /usr/bin.
-
-
# The standard system compiler is gcc, but invoking it as cc changes its
# behavior. I have to pick one name or the other so I can get the
# dynamic loading switches right (they vary depending on this). I'm
# picking gcc because there's no way to get at the optimization options
# and so on when you call it cc.
-case $cc in
- '')
- cc=gcc
- case $optimize in
- '') optimize=-O2;;
- esac
- ;;
+
+##########################################
+# Modified by Takis Psarogiannakopoulos
+# Universirty of Cambridge
+# Centre for Mathematical Sciences
+# Department of Pure Mathematics
+# Wilberforce road
+# Cambridge CB3 0WB , UK
+# e-mail <takis@xfree86.org>
+# Use GCC-2.95.2/3 rev (DG/UX) for threads
+# This compiler supports the -pthread switch
+# to link correctly DG/UX 's -lthread.
+###########################################
+
+cc=gcc
+ccflags="-DDGUX -D_DGUX_SOURCE"
+# Debug build with GNU as,ld and -gstabs+
+# ccflags="-DDGUX -D_DGUX_SOURCE -gstabs+"
+# Dummy ; always compile with -O2 on GCC 2.95.2/3 rev (DG/UX)
+optimize="-mno-legend -O2"
+
+archname="ix86-dgux"
+libpth="/usr/lib"
+
+#####################################
+# <takis@xfree86.org>
+# Change this if you want.
+# prefix =/usr/local
+#####################################
+
+prefix=/usr/local
+perlpath="$prefix/bin/perl57"
+startperl="#! $prefix/bin/perl57"
+privlib="$prefix/lib/perl57"
+man1dir="$prefix/man/man1"
+man3dir="$prefix/man/man3"
+
+sitearch="$prefix/lib/perl57/$archname"
+sitelib="$prefix/lib/perl57"
+
+#Do not overwrite by default /usr/bin/perl of DG/UX
+installusrbinperl="$undef"
+
+# Configure may fail to find lstat()
+# function in <sys/stat.h>.
+d_lstat=define
+
+# Internal malloc is needed for correct operation
+# of perl-5.7.x
+# DG/UX native malloc is causing problems.
+# Some perl tests they failing badly.
+# I have no time to investigate more.
+# <takis@xfree86.org>
+
+case "$usemymalloc" in
+'') usemymalloc='y' ;;
esac
-usevfork=true
+case "$uselongdouble" in
+'') uselongdouble='y' ;;
+esac
+
+#### No for threads ???? #####
+#usevfork=true
+usevfork=false
# DG has this thing set up with symlinks which point to different places
# depending on environment variables (see elink(5)) and the compiler and
plibpth="$plibpth $sde_path/$sde/usr/lib"
unset sde_path default_sde sde
+#####################################
+# <takis@xfree86.org>
+#####################################
+
+libperl="libperl57.so"
+
# Many functions (eg, gethostent(), killpg(), getpriority(), setruid()
# dbm_*(), and plenty more) are defined in -ldgc. Usually you don't
# need to know this (it seems that libdgc.so is searched automatically
# by ld), but Configure needs to check it otherwise it will report all
# those functions as missing.
-libswanted="dgc $libswanted"
+
+#####################################
+# <takis@xfree86.org>
+#####################################
+
+# libswanted="dgc gdbm $libswanted"
+#libswanted="dbm posix $libswanted"
+# Remove malloc since we use the internal perl one.
+libswanted="dbm posix resolv socket nsl dl m"
+
+#####################################
+# <takis@xfree86.org>
+#####################################
+
+mydomain='.localhost'
+cf_by=`(whoami) 2>/dev/null`
+cf_email="$cf_by@localhost"
# Dynamic loading works using the dlopen() functions. Note that dlfcn.h
# used to be broken, it declared _dl*() rather than dl*(). This was the
# case up to 3.10, it has been fixed in 4.11. I'm not sure if it was
# fixed in 4.10. If you have the older header just ignore the warnings
# (since pointers and integers have the same format on m88k).
-usedl=true
+
+# usedl=true
+usedl=false
+
# For cc rather than gcc the flags would be `-K PIC' for compiling and
# -G for loading. I haven't tested this.
-cccdlflags=-fpic
-lddlflags=-shared
+
+#####################################
+# <takis@xfree86.org>
+# Use -fPIC instead -fpic
+#####################################
+
+cccdlflags=-fPIC
+#We must use gcc
+ld="gcc"
+lddlflags="-shared"
+
+############################################################################
+# DGUX Posix 4A Draft 10 Thread support
+# <takis@xfree86.org>
+# use Configure -Dusethreads to enable
+############################################################################
+
+cat > UU/usethreads.cbu <<'EOCBU'
+case "$usethreads" in
+$define|true|[yY]*)
+ ccflags="$ccflags"
+ shift
+ # DG/UX's sched_yield is in -lrte
+ # Remove malloc since we use the internal perl one.
+ libswanted="dbm posix resolv socket nsl dl m rte"
+ archname="ix86-dgux-thread"
+ sitearch="$prefix/lib/perl57/$archname"
+ sitelib="$prefix/lib/perl57"
+ case "$cc" in
+ *gcc*)
+ #### Use GCC -2.95.2/3 rev (DG/UX) and -pthread
+ #### Otherwise take out the switch -pthread
+ #### And add manually the -D_POSIX4A_DRAFT10_SOURCE flag.
+ ld="gcc"
+ ccflags="$ccflags -D_POSIX4A_DRAFT10_SOURCE"
+ # Debug build : use -DS flag on command line perl
+ # ccflags="$ccflags -DDEBUGGING -D_POSIX4A_DRAFT10_SOURCE -pthread"
+ cccdlflags='-fPIC'
+ lddlflags="-shared"
+ #### Use GCC -2.95.2/3 rev (DG/UX) and -pthread
+ #### Otherwise take out the switch -pthread
+ #### And add manually the -lthread library.
+ ldflags="$ldflags -pthread"
+ ;;
+
+ *)
+ echo "Not supported DG/UX cc and threads !"
+ ;;
+ esac
+esac
+EOCBU
+
+# "./Configure -d" can't figure this out easily
+d_suidsafe='define'
+
+###################################################
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