-# $Id: dgux.sh,v 1.4 1996/01/18 03:40:38 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
-# developed using version 5.4.3.10 of the OS. I think the gross
-# features should work with versions 5.4.2 through 5.4.4.11 with perhaps
-# minor tweaking, but I don't have any older or newer versions installed
-# at the moment with which to test it.
+# 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.
#
# DGUX is a SVR4 derivative. It ships with gcc as the standard
-# compiler. Since version 5.4.3.0 it has shipped with Perl 4.036
+# compiler. Since version 3.0 it has shipped with Perl 4.036
# installed in /usr/bin, which is kind of neat. Be careful when you
# install that you don't overwrite the system version, though (by
# answering yes to the question about installing perl as /usr/bin/perl),
# as it would suck to try to get support if the vendor learned that you
# were physically replacing the system binaries.
#
-# Be aware that if you opt to use dynamic loading you'll need to set
-# your $LD_LIBRARY_PATH to include the source directory when you build,
-# test and install the software.
-#
-# -Roderick Schertler <roderick@gate.net>
-
-
-# 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 5.4.2.01 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 5.4.2.01 loaded and my memory
-# is telling me that even then /usr/ucb was a symlink to /usr/bin.
-
+# -Roderick Schertler <roderick@argon.org>
# 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 "$usemymalloc" in
+'') usemymalloc='y' ;;
+esac
+
+case "$uselongdouble" in
+'') uselongdouble='y' ;;
esac
-usevfork=true
+#### 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
# $plibpth to explicitly include the place to which the elinks point
# allows Configure to find libraries which vary based on the development
# environment.
-plibpth="$plibpth \
- ${SDE_PATH:-/usr}/sde/${TARGET_BINARY_INTERFACE:-m88kdgux}/usr/lib"
+#
+# Starting with version 4.10 (the first time the OS supported Intel
+# hardware) all libraries are accessed with this mechanism.
+#
+# The default $TARGET_BINARY_INTERFACE changed with version 4.10. The
+# system now comes with a link named /usr/sde/default which points to
+# the proper entry, but older versions lacked this and used m88kdgux
+# directly.
+
+: && sde_path=${SDE_PATH:-/usr}/sde # hide from Configure
+while : # dummy loop
+do
+ if [ -n "$TARGET_BINARY_INTERFACE" ]
+ then set X "$TARGET_BINARY_INTERFACE"
+ else set X default dg m88k_dg ix86_dg m88kdgux m88kdguxelf
+ fi
+ shift
+ default_sde=$1
+ for sde
+ do
+ [ -d "$sde_path/$sde" ] && break 2
+ done
+ cat <<END >&2
+
+NOTE: I can't figure out what SDE is used by default on this machine (I
+didn't find a likely directory under $sde_path). This is bad news. If
+this is a R4.10 or newer system I'm not going to be able to find any of
+your libraries, if this system is R3.10 or older I won't be able to find
+the math library. You should re-run Configure with the environment
+variable TARGET_BINARY_INTERFACE set to the proper value for this
+machine, see sde(5) and the notes in hints/dgux.sh.
+
+END
+ sde=$default_sde
+ break
+done
+
+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
-# is broken, it declares _dl*() rather than dl*(). (This is in my
-# I'd-open-a-ticket-about-this-if-it-weren't-going-to-be-such-a-hassle
-# file.) You can ignore the warnings caused by the missing
-# declarations, they're harmless.
-usedl=true
+# 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=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
-# The Perl library has to be built as a shared library so that dynamic
-# loading will work (otherwise code loaded with dlopen() won't be able
-# to reference symbols in the main part of perl). Note that since
-# Configure doesn't normally prompt about $d_shrplib this will cause a
-# `Whoa there!'. This is normal, just keep the recommended value. A
-# consequence of all this is that you've got to include the source
-# directory in your LD_LIBRARY_PATH when you're building and testing
-# perl.
-d_shrplib=define
-
-# The system has a function called dg_flock() which is an flock()
-# emulation built using fcntl() locking. Perl currently comes with an
-# flock() emulation which uses lockf(), it should eventually also
-# include an fcntl() emulation of its own. Until that happens I
-# recommend using DG's emulation (and ignoring the `WHOA THERE!' this
-# causes), it provides semantics closer to the original than the lockf()
-# emulation.
-ccflags="$ccflags -Dflock=dg_flock"
-d_flock=define
+
+#####################################
+# <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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