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<title>OpenSP autoconf support</title>
<body bgcolor="#ffffff">
<h1>OpenSP autoconf support</h1>
<p>We have dropped the old SP Makefiles in favour of the GNU
configuration tools automake, autoconf and libtool. If building
OpenSP doesn't work out of the box on your system, we'd like to
receive feedback and patches for your operating system.
</p>
<h2>Usage</h2>
<pre>
% ./configure; make; make install
</pre>
<h2>configure options</h2>
<dl>
<dt><code>--help</code></dt>
<dd>Print a full list of options. This document only deals with the
non-standard options.</dd>
<dt><code>--enable-http</code>
<dd>Include support for HTTP.</dd>
<dt><code>--enable-default-catalog=pathlist</code>
<dd>Provide one or more default catalog files or sysids.</dd>
<dt><code>--enable-default-search-path=pathlist</code>
<dd>Provide a default value for SGML_SEARCH_PATH.</dd>
</dl>
<h2>Local defines</h2>
<p>If you have some extra additions to OpenSP, you can set
CFLAGS/CXXFLAGS and/or LDFLAGS/LIBS at configure time:</p>
<pre>
CXXFLAGS=-Dmyhacks LDFLAGS=-L/opt/myhacks LIBS=-lmyhacks ./configure
</pre>
<p>Check the invocation of ld in Makefile for the exact semantics
of LDFLAGS and LIBS.</p>
<h2>Tested platforms</h2>
<ul>
<li>RedHat Linux 5.2 (egcs 1.0.3, glibc 2.0.7)</li>
<li>RedHat Linux 6.0 (gcc 2.95.1, glibc 2.1.1)</li>
<li>SuSE Linux 5.3 (gcc 2.7.2.1, libc 5.5.46)</li>
<li>Solaris 2.6 (gcc 2.8.1)</li>
</ul>
<h2>Shared library support</h2>
<p>By default, <code>./configure</code> attempts to build shared
libraries and link against them. This is done via the
<code>libtool</code> utility, a utility that knows how to build shared
libraries on a number of platforms.</p>
<p>By default, only shared libraries are built. If you have
difficulties building shared libraries, or you want to build static
versions, you can use the
<code>--{enable,disable}-{shared,static}</code> options to configure
libtool to your likings.</p>
<p>According to the libtool 1.2 docs, shared libraries work on:</p>
<ul>
<li>AIX 3.x (*-*-aix3*)</li>
<li>AIX 4.x (*-*-aix4*)</li>
<li>AmigaOS (*-*-amigaos*)</li>
<li>Digital/UNIX 3.x, 4.x, a.k.a. OSF/1 (*-*-osf3*, *-*-osf4*)</li>
<li>FreeBSD 2.x, 3.x (*-*-freebsd2*, *-*-freebsd3*)</li>
<li>GNU/Linux ELF (*-*-linux-gnu*, except aout, coff, and oldld)</li>
<li>HP-UX 9.x, 10.x (*-*-hpux9*, *-*-hpux10*) [see note]</li>
<li>IRIX 5.x, 6.x (*-*-irix5*, *-*-irix6*)</li>
<li>NetBSD 1.x (*-*-netbsd*)</li>
<li>OpenBSD 2.x (*-*-openbsd*)</li>
<li>OS/2 using EMX (*-*-os2*)</li>
<li>SCO OpenServer 5.x (*-*-sco3.2v5*)</li>
<li>Solaris 2.x (*-*-solaris2*)</li>
<li>SunOS 4.x, a.k.a. Solaris 1.x (*-*-sunos4*)</li>
<li>UnixWare 2.x (*-*-sysv4.2uw2*)</li>
<li>UTS 4.x (*-*-uts4*)</li>
<li>All ELF targets that use both the GNU C compiler (gcc) and GNU ld</li>
</ul>
<p>One more note from the libtool documentation: the HP/UX sed seems
to be badly broken, install GNU sed before attempting to build -
libtool depends on a working sed.</p>
<p><strong>Note:</strong> shared libraries seem to be broken on
HP-UX 10.* with gcc-2.95.2. Use <code>--disable-shared</code>.</p>
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