sco*) template=sco ;;

sysv5*) template=unixware ;;

case $host_os in sysv5*)

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ld -R works" >&5

$as_echo_n "checking whether ld -R works... " >&6; }

if ${pgac_cv_prog_ld_R+:} false; then :

$as_echo_n "(cached) " >&6

pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"

cat confdefs.h - <<_ACEOF >conftest.$ac_ext

if ac_fn_c_try_link "$LINENO"; then :

pgac_cv_prog_ld_R=yes

pgac_cv_prog_ld_R=no

rm -f core conftest.err conftest.$ac_objext \

conftest$ac_exeext conftest.$ac_ext

LDFLAGS=$pgac_save_LDFLAGS

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_prog_ld_R" >&5

$as_echo "$pgac_cv_prog_ld_R" >&6; }

ld_R_works=$pgac_cv_prog_ld_R

sco*) template=sco ;;

sysv5*) template=unixware ;;

case $host_os in sysv5*)

AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],

[

pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"

AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],

[pgac_cv_prog_ld_R=yes],

[pgac_cv_prog_ld_R=no])

LDFLAGS=$pgac_save_LDFLAGS

])

ld_R_works=$pgac_cv_prog_ld_R

AC_SUBST(ld_R_works)

esac

install: install-html

ifneq ($(PORTNAME), sco)

install: install-man

</programlisting>

</para>

</listitem>

</varlistentry>

<varlistentry>

<term>

<systemitem class="osname">UnixWare</>

<indexterm><primary>UnixWare</><secondary>shared library</></>

</term>

<listitem>

<para>

The compiler flag to create <acronym>PIC</acronym> is <option>-K

PIC</option> with the SCO compiler and <option>-fpic</option>

with <productname>GCC</productname>. To link shared libraries,

the compiler option is <option>-G</option> with the SCO compiler

and <option>-shared</option> with

<productname>GCC</productname>.

<programlisting>

cc -K PIC -c foo.c

cc -G -o foo.so foo.o

</programlisting>

or

<programlisting>

gcc -fpic -c foo.c

gcc -shared -o foo.so foo.o

PowerPC 64, S/390, S/390x, Sparc, Sparc 64, ARM, MIPS, MIPSEL, M68K,

and PA-RISC. Code support exists for M32R and VAX, but these

FreeBSD, OpenBSD, NetBSD, macOS, AIX, HP/UX, Solaris,

and UnixWare. Other Unix-like systems may also work but are not currently

the <xref linkend="installation-platform-notes"> below to see if

<sect2 id="installation-notes-sco">

<title>SCO OpenServer and SCO UnixWare</title>

<indexterm zone="installation-notes-sco">

<primary>SCO</primary>

<secondary>installation on</secondary>

</indexterm>

<indexterm zone="installation-notes-sco">

<primary>UnixWare</primary>

<secondary>installation on</secondary>

</indexterm>

<para>

PostgreSQL can be built on SCO UnixWare 7 and SCO OpenServer 5.

On OpenServer, you can use either the OpenServer Development Kit

or the Universal Development Kit. However, some tweaking may be

needed, as described below.

</para>

<sect3>

<title>Skunkware</title>

<para>

You should locate your copy of the SCO Skunkware CD. The

Skunkware CD is included with UnixWare 7 and current versions of

OpenServer 5. Skunkware includes ready-to-install versions of

many popular programs that are available on the Internet. For

example, gzip, gunzip, GNU Make, Flex, and Bison are all

included. For UnixWare 7.1, this CD is now labeled "Open License

Software Supplement". If you do not have this CD, the software

on it is available

from <ulink url="http://www.sco.com/skunkware/"></ulink>.

</para>

<para>

Skunkware has different versions for UnixWare and OpenServer.

Make sure you install the correct version for your operating

system, except as noted below.

</para>

<para>

On UnixWare 7.1.3 and beyond, the GCC compiler is included on the

UDK CD as is GNU Make.

</para>

</sect3>

<sect3>

<title>GNU Make</title>

<para>

You need to use the GNU Make program, which is on the Skunkware

CD. By default, it installs

as <filename>/usr/local/bin/make</filename>.

</para>

<para>

As of UnixWare 7.1.3 and above, the GNU Make program is the

OSTK portion of the UDK CD, and is

in <filename>/usr/gnu/bin/gmake</filename>.

</para>

</sect3>

<sect3>

<title>Readline</title>

<para>

The Readline library is on the Skunkware CD. But it is not

included on the UnixWare 7.1 Skunkware CD. If you have the

UnixWare 7.0.0 or 7.0.1 Skunkware CDs, you can install it from

there. Otherwise,

try <ulink url="http://www.sco.com/skunkware/"></ulink>.

</para>

<para>

By default, Readline installs into <filename>/usr/local/lib</> and

<filename>/usr/local/include</>. However, the

PostgreSQL <command>configure</command> program will not find it

there without help. If you installed Readline, then use the

following options to <command>configure</command>:

<programlisting>

./configure --with-libraries=/usr/local/lib --with-includes=/usr/local/include

</programlisting>

</para>

</sect3>

<sect3>

<title>Using the UDK on OpenServer</title>

<para>

If you are using the new Universal Development Kit (UDK) compiler

on OpenServer, you need to specify the locations of the UDK

libraries:

<programlisting>

./configure --with-libraries=/udk/usr/lib --with-includes=/udk/usr/include

</programlisting>

Putting these together with the Readline options from above:

<programlisting>

./configure --with-libraries="/udk/usr/lib /usr/local/lib" --with-includes="/udk/usr/include /usr/local/include"

</programlisting>

</para>

</sect3>

<sect3>

<title>Reading the PostgreSQL Man Pages</title>

<para>

By default, the PostgreSQL man pages are installed into

<filename>/usr/local/pgsql/share/man</filename>. By default, UnixWare

does not look there for man pages. To be able to read them you

need to modify the

<varname>MANPATH</varname> variable

in <filename>/etc/default/man</filename>, for example:

<programlisting>

MANPATH=/usr/lib/scohelp/%L/man:/usr/dt/man:/usr/man:/usr/share/man:scohelp:/usr/local/man:/usr/local/pgsql/share/man

</programlisting>

</para>

<para>

On OpenServer, some extra research needs to be invested to make

the man pages usable, because the man system is a bit different

from other platforms. Currently, PostgreSQL will not install

them at all.

</para>

</sect3>

<sect3>

<title>C99 Issues with the 7.1.1b Feature Supplement</title>

<para>

For compilers earlier than the one released with OpenUNIX 8.0.0

(UnixWare 7.1.2), including the 7.1.1b Feature Supplement, you

may need to specify <option>-Xb</option>

in <varname>CFLAGS</varname> or the <varname>CC</varname>

environment variable. The indication of this is an error in

compiling <filename>tuplesort.c</filename> referencing inline

functions. Apparently there was a change in the 7.1.2(8.0.0)

compiler and beyond.

</para>

</sect3>

<sect3>

<title>Threading on UnixWare</title>

<para>

For threading, you<emphasis>must</emphasis> use <option>-Kpthread</option>

on <emphasis>all</emphasis> libpq-using programs. libpq

uses <function>pthread_*</function> calls, which are only

available with the

<option>-Kpthread</>/<option>-Kthread</> flag.

</para>

</sect3>

</sect2>

<varlistentry>

<term><systemitem class="osname">SCO OpenServer</>

<indexterm><primary>SCO OpenServer</><secondary>IPC configuration</></>

</term>

<listitem>

<para>

In the default configuration, only 512 kB of shared memory per

segment is allowed. To increase the setting, first change to the

directory <filename>/etc/conf/cf.d</>. To display the current value of

<varname>SHMMAX</>, run:

<programlisting>

./configure -y SHMMAX

</programlisting>

To set a new value for <varname>SHMMAX</>, run:

<programlisting>

./configure SHMMAX=<replaceable>value</>

</programlisting>

where <replaceable>value</> is the new value you want to use

(in bytes). After setting <varname>SHMMAX</>, rebuild the kernel:

<programlisting>

./link_unix

</programlisting>

and reboot.

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><systemitem class="osname">UnixWare</>

<indexterm><primary>UnixWare</><secondary>IPC configuration</></>

</term>

<listitem>

<para>

On <productname>UnixWare</> 7, the maximum size for shared

memory segments is 512 kB in the default configuration.

To display the current value of <varname>SHMMAX</>, run:

<programlisting>

/etc/conf/bin/idtune -g SHMMAX

</programlisting>

which displays the current, default, minimum, and maximum

values. To set a new value for <varname>SHMMAX</>,

run:

<programlisting>

/etc/conf/bin/idtune SHMMAX <replaceable>value</>

</programlisting>

where <replaceable>value</> is the new value you want to use

(in bytes). After setting <varname>SHMMAX</>, rebuild the

kernel:

<programlisting>

/etc/conf/bin/idbuild -B

</programlisting>

and reboot.

</para>

</listitem>

</varlistentry>