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2001-04-02 Phil Edwards <pme@sources.redhat.com> New concept checking implementation. * docs/html/19_diagnostics/howto.html: Document. * docs/html/17_intro/concept_check.diff: New file, for reference. * include/bits/boost_concept_check.h: New file from Boost. * include/bits/c++config: Update comments. * include/bits/concept_check.h: New file. * include/bits/concept_checks.h: Removed. * include/bits/container_concepts.h: Removed. * include/bits/sequence_concepts.h: Removed. * include/bits/stl_iterator_base.h: Removed; split into... * include/bits/stl_iterator_base_funcs.h: ...this new file... * include/bits/stl_iterator_base_types.h: ...and this new file. * include/bits/sbuf_iter.h: Update to use new implementation. * include/bits/std_iterator.h: Likewise. * include/bits/std_memory.h: Likewise. * include/bits/stl_algo.h: Likewise. * include/bits/stl_algobase.h: Likewise. * include/bits/stl_construct.h: Likewise. * include/bits/stl_deque.h: Likewise. * include/bits/stl_heap.h: Likewise. * include/bits/stl_list.h: Likewise. * include/bits/stl_map.h: Likewise. * include/bits/stl_multimap.h: Likewise. * include/bits/stl_multiset.h: Likewise. * include/bits/stl_numeric.h: Likewise. * include/bits/stl_queue.h: Likewise. * include/bits/stl_set.h: Likewise. * include/bits/stl_stack.h: Likewise. * include/bits/stl_uninitialized.h: Likewise. * include/bits/stl_vector.h: Likewise. * include/ext/hash_map: Likewise. * include/ext/hash_set: Likewise. * include/ext/slist: Likewise. * include/ext/stl_hashtable.h: Likewise. * src/Makefile.am (base_headers): Update list of headers. * Makefile.in: Regenerated. * src/Makefile.in: Regenerated. * libio/Makefile.in: Regenerated. * libmath/Makefile.in: Regenerated. * libsupc++/Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * docs/html/install.html: Update contact information. * docs/html/17_intro/howto.html: Ditto. * docs/html/18_support/howto.html: Ditto. * docs/html/20_util/howto.html: Ditto. * docs/html/21_strings/howto.html: Ditto. * docs/html/22_locale/howto.html: Ditto. * docs/html/23_containers/howto.html: Ditto. * docs/html/24_iterators/howto.html: Ditto. * docs/html/25_algorithms/howto.html: Ditto. * docs/html/26_numerics/howto.html: Ditto. * docs/html/27_io/howto.html: Ditto. * docs/html/faq/index.html: Ditto, plus info on new checking code. * docs/html/ext/howto.html: Ditto, plus info on new checking code. * docs/html/faq/index.txt: Regenerated. From-SVN: r41031
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344 lines
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HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
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<HTML>
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<HEAD>
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<META NAME="AUTHOR" CONTENT="pme@sources.redhat.com (Phil Edwards)">
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<META NAME="KEYWORDS" CONTENT="libstdc++, libstdc++-v3, GCC, g++">
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<META NAME="DESCRIPTION" CONTENT="README for the GNU libstdc++ effort.">
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<META NAME="GENERATOR" CONTENT="vi and eight fingers">
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<TITLE>libstdc++-v3 Installation Instructions</TITLE>
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<LINK REL=StyleSheet HREF="lib3styles.css">
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<!-- $Id: install.html,v 1.4 2001/02/07 00:03:20 pme Exp $ -->
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</HEAD>
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<BODY>
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<H1 CLASS="centered"><A NAME="top">libstdc++-v3 INSTALL</A></H1>
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<P>The latest version of this document is always available at
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<A HREF="http://gcc.gnu.org/onlinedocs/libstdc++/install.html">
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http://gcc.gnu.org/onlinedocs/libstdc++/install.html</A>.
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</P>
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<P>To the <A HREF="http://gcc.gnu.org/libstdc++/">libstdc++-v3 homepage</A>.
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<!-- ####################################################### -->
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<HR>
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<H2>Contents</H2>
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<UL>
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<LI><A HREF="#prereqs">Tools you will need beforehand</A>
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<LI><A HREF="#srcsetup">Setting up the source directories</A>
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<LI><A HREF="#config">Configuring</A>
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<LI><A HREF="#install">Building and installing the library</A>
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<LI><A HREF="#postinstall">Post-installation</A>
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<LI><A HREF="#usage">Using the library</A>
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</UL>
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<HR>
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<!-- ####################################################### -->
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<H2><A NAME="prereqs">Tools you will need beforehand</A></H2>
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<P>You will need a recent version of g++ to compile the snapshot of
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libstdc++, one of the post-2.95.2 GCC
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snapshots (insert standard caveat about using snapshots rather
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than formal releases). You will need the full source
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distribution to whatever compiler release you are using. The
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GCC snapshots can be had from one of the sites on their
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<A HREF="http://gcc.gnu.org/mirrors.html">mirror list</A>.
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</P>
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<P>In addition, if you plan to modify the makefiles or regenerate
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the configure scripts you'll need the nuevo automake, libtool
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and autoconf to regenerate the Makefiles and configure
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scripts. These tools are all required to be installed in the
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same location (most linux distributions install these tools by
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default, so no worries.)
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</P>
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<P>If you don't have bash, and want to run <TT>'make check'</TT> to
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test your build, you'll need to get bash 2.x. Also recommended
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is GNU Make, since it is the only 'make' that will parse these
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makefiles correctly. We are moving to DejaGNU, so you'll
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probably want to get that.
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</P>
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<P>As of June 19, 2000, libstdc++ attempts to use tricky and
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space-saving features of the GNU toolchain, enabled with
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<TT>-ffunction-sections -fdata-sections -Wl,--gc-sections</TT>.
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To obtain maximum benefit from this, binutils after this date
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should also be used (bugs were fixed with C++ exception handling
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related to this change in libstdc++-v3). The version of these
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tools should be <TT>2.10.90</TT>, and you can get snapshots (as
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well as releases) of binutils
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<A HREF="ftp://sources.redhat.com/pub/binutils">here</A>.
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</P>
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<P>Finally, a few system-specific requirements:
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<DL>
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<DT>Cygwin
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<DD>If you are using Cygwin to compile libstdc++-v3 on Win32, you'll
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have to get a version of the cygwin1.dll that is dated on or
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after February 1, 2000. This is necessary to successfully run
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the script "mknumeric_limits" which probes the
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floating-point
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environment of the host in question -- before this date, Cygwin
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would freeze when running this script. In addition, you may
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want to get a current version of libtool (say libtool-1.3.4
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and above) as earlier versions supposedly had problems creating
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shared libraries.
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</DL>
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</P>
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<HR>
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<H2><A NAME="srcsetup">Setting up the source directories</A></H2>
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<P><EM>As the libstdc++-v3 sources and the core GCC sources have
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converged, more and more effort goes to building the
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library as the default version to be shipped with g++. With the
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2.90.8 snapshot, and especially for CVS versions after this
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release, this is treated as the usual scenario. If you want to
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build the library all by itself, you will need to explicitly
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disable certain features (like namespaces) since the core GCC
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library, libgcc.a, will not be rebuilt with those same features.
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</EM>
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</P>
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<P>By default, all configurations of libstdc++-v3 now have namespaces
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enabled. Being able to select/de-select this option was a complex task
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that had hopelessly confused many otherwise intelligent people, and
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provided an endless stream of silent cursing and cries for help.
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Because of this, gcc sources are required, and are no longer optional.
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</P>
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<P>The following definitions will be used throughout the rest of this
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document:
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<UL>
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<LI><EM>gccsrcdir</EM>: The directory holding the source of the
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compiler. It should have several subdirectories like
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<EM>gccsrcdir</EM>/libio and <EM>gccsrcdir</EM>/gcc.
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<LI><EM>libsrcdir</EM>: The directory holding the source of the
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C++ library.
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<LI><EM>gccbuilddir</EM>: The build directory for the compiler
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in <EM>gccsrcdir</EM>. GCC requires that it be built in
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a different directory than its sources.
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<LI><EM>libbuilddir</EM>: The build directory for libstdc++.
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<LI><EM>destdir</EM>: The eventual installation directory for
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the compiler/libraries, set with the --prefix option to
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the configure script.
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</UL>
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Note:
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<OL>
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<LI>The .91 snapshot and following are intended to replace the
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library that comes with the compiler, so <EM>libsrcdir</EM>
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and <EM>libbuilddir</EM> must be contained under
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<EM>gccsrcdir</EM> and <EM>gccbuilddir</EM>, respectively.
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<LI>The source, build, and installation directories should
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not be parents of one another; i.e., these should all be
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separate directories. Please don't build out of the
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source directory.
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</OL>
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</P>
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<P>Since the release of libstdc++-2.90.8, configuration patches have gone
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into CVS gcc that make the management of the various libstdc++ source
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trees a bit easier. Because of this, both libstdc++-v2 and
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libstdc++-v3 and live together in peace, without the need
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for soft linking. The setup instructions are slightly different,
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depending on whether you want to use CVS gcc or a snapshot. Please
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choose the appropriate scenario:
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</P>
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<P><B>...with a gcc-2.9[67] snapshot</B>
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<P>Unpack the <EM>gccsrcdir</EM> and go into that directory. For
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instance, <TT>gcc-2.95.2</TT> is a valid <EM>gccsrcdir</EM>.
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Once in <EM>gccsrcdir</EM>, you'll need to rename or delete
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the libstdc++-v3 directory which comes with that snapshot:
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<PRE>
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mv libstdc++-v3 libstdc++-v3-previous <STRONG>[OR]</STRONG>
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rm -r libstdc++-v3</PRE>
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</P>
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<P>Next, unpack the libstdc++-v3 library tarball into the
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<EM>gccsrcdir</EM> directory; it will create a
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<EM>libsrcdir</EM> called <TT>libstdc++-<EM>version</EM></TT>:
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<PRE>
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gzip -dc libstdc++-version.tar.gz | tar xf -</PRE>
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</P>
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<P>Finally, make a soft link between <EM>libsrcdir</EM> and
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<TT>libstdc++-v3</TT> so that libstdc++-v3 will be the default C++
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library used.
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<PRE>
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ln -s <EM>libsrcdir</EM> libstdc++-v3</PRE>
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</P>
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</P>
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<P><B>...with CVS gcc</B>
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<P>Check out or download the gcc sources: the resulting source
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directory is <EM>gccsrcdir</EM>. Once in <EM>gccsrcdir</EM>,
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you'll need to rename or delete the libstdc++-v3 directory
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which comes with that snapshot:
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<PRE>
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mv libstdc++-v3 libstdc++-v3-previous <STRONG>[OR]</STRONG>
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rm -r libstdc++-v3</PRE>
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</P>
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<P>Next, unpack the libstdc++-v3 library tarball into this
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<EM>gccsrcdir</EM> directory; it will create a
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<EM>libsrcdir</EM> called <TT>libstdc++-<EM>version</EM></TT>:
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<PRE>
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gzip -dc libstdc++-version.tar.gz | tar xf -</PRE>
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</P>
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<P>Finally, rename <EM>libsrcdir</EM> to <TT>libstdc++-v3</TT> so that
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gcc's configure flags will be able to deal with the new library.
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<PRE>
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mv <EM>libsrcdir</EM> libstdc++-v3</PRE>
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</P>
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</P>
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<HR>
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<H2><A NAME="config">Configuring</A></H2>
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<P>If you have never done this before, you should read the basic
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<A HREF="http://gcc.gnu.org/install/">GCC Installation
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Instructions</A> first.
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</P>
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<P>Due to namespaces, when building libstdc++-v3 you'll have to configure
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the entire <EM>gccsrcdir</EM> directory. The full list of libstdc++-v3
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specific configuration options, not dependent on the specific compiler
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release being used, can be found <A HREF="configopts.html">here</A>.
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</P>
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<P>Consider possibly using --enable-languages=c++ to save time by only
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building the C++ language parts.
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</P>
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<P><PRE>
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cd <EM>gccbuilddir</EM>
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<EM>gccsrcdir</EM>/configure --prefix=<EM>destdir</EM> --other-opts...</PRE>
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</P>
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<HR>
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<H2><A NAME="install">Building and installing the library</A></H2>
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<P>Now you have a few options:</P>
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<H3>[re]building <EM>everything</EM></H3>
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<P>If you're building GCC from scratch, you can do the usual
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<TT> 'make bootstrap' </TT> here, and libstdc++-v3 will be built
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as its default C++ library. The generated g++ will magically
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use the correct headers, link against the correct library
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binary, and in general using libstdc++-v3 will be a piece of
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cake. You're done; run <TT>'make install'</TT> (see the GCC
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installation instructions) to put the new compiler and libraries
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into place.
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</P>
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<H3>[re]building only libstdc++</H3>
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<P>To rebuild just libstdc++, use:
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<PRE>
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make all-target-<EM>libstdc++-v3</EM></PRE>
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This will configure and build the C++ library in the
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<EM>gccbuilddir/cpu-vendor-OS/</EM>libstdc++ directory.
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</P>
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<P>If you are rebuilding from a previous build [attempt], some
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information is kept in a cache file. This is stored in
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<EM>gccbuilddir/cpu-vendor-OS/</EM> if you are building with
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multilibs (the default), or in
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<EM>gccbuilddir/cpu-vendor-OS/</EM>libstdc++-v3 if you have
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multilibs disabled. The filename is config.cache; if previous
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information is causing problems, you can delete it entirely, or
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simply edit it and remove lines.
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</P>
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<P>You're done. Now install the rebuilt pieces with
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<PRE>
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make install</PRE>
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or
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<PRE>
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make install-gcc
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make install-target-libstdc++-v3</PRE>
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</P>
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<HR>
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<H2><A NAME="postinstall">Post-installation</A></H2>
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<P>Installation will create the <EM>destdir</EM> directory and
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populate it with subdirectories:
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<PRE>
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lib/
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include/g++-v3/
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bits/
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ext/
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CPU-vendor-OS/include/g++-v3/
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bits/
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ext/</PRE>
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</P>
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<P>You can check the status of the build without installing it using
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<PRE>
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make check</PRE>
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or you can check the status of the installed library using
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<PRE>
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make check-install</PRE>
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in the <EM>libbuilddir</EM> directory.
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These commands will create a 'testsuite' directory underneath
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<EM>libbuilddir</EM> containing the results of the tests. We are
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interested in any strange failures of the testsuite; please see
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<A HREF="faq/index.html#2_4">FAQ 2.4</A> for which files to examine.
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</P>
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<HR>
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<H2><A NAME="usage">Using the library</A></H2>
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<LI><B>Find the new library at runtime (shared linking only)</B>
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<P>If you only built a static library (libstdc++.a), or if you
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specified static linking, you don't have to worry about this.
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But if you built a shared library (libstdc++.so) and linked
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against it, then you will need to find that library when you
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run the executable.
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</P>
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<P>Methods vary for different platforms and different styles, but
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the usual ones are printed to the screen during installation.
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They include:
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<UL>
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<LI>At runtime set LD_LIBRARY_PATH in your environment correctly,
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so that the shared library for libstdc++ can be found and
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loaded. Be certain that you understand all of the other
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implications and behavior of LD_LIBRARY_PATH first (few
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people do, and they get into trouble).
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<LI>Compile the path to find the library at runtime into the
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program. This can be done by passing certain options to g++,
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which will in turn pass them on to the linker. The exact
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format of the options is dependent on which linker you use:
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<UL>
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<LI>GNU ld (default on Linux):<TT> -Wl,--rpath,<EM>destdir</EM>/lib</TT>
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<LI>IRIX ld:<TT> -Wl,-rpath,<EM>destdir</EM>/lib</TT>
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<LI>Solaris ld:<TT> -Wl,-R<EM>destdir</EM>/lib</TT>
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<LI>More...?
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</UL>
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</UL>
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</P>
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<P>Use the <TT>ldd(1)</TT> utility to show which library the system
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thinks it will get at runtime.
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</P>
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</OL>
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</P>
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<!--
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<HR>
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<H2><A NAME=""></A></H2>
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<P>
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</P>
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-->
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<!-- ####################################################### -->
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<HR>
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<P CLASS="fineprint"><EM>
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Comments and suggestions are welcome, and may be sent to
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<A HREF="mailto:libstdc++@gcc.gnu.org">the mailing list</A>.
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<BR> $Id: install.html,v 1.4 2001/02/07 00:03:20 pme Exp $
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</EM></P>
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</BODY>
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</HTML>
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