install.texi (Prerequisites): Suggest building GMP...
* doc/install.texi (Prerequisites): Suggest building GMP, MPFR and MPC as part of GCC before describing configuring with --with-gmp etc. (Installing GCC: Configuration): --with-gmp etc. aren't needed if sources are present. From-SVN: r184232
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@ -1,3 +1,10 @@
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2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
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* doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
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MPC as part of GCC before describing configuring with --with-gmp etc.
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(Installing GCC: Configuration): --with-gmp etc. aren't needed if
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sources are present.
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2012-02-14 Jakub Jelinek <jakub@redhat.com>
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PR debug/51950
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@ -328,37 +328,39 @@ others optional. While any sufficiently new version of required tools
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usually work, library requirements are generally stricter. Newer
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versions may work in some cases, but it's safer to use the exact
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versions documented. We appreciate bug reports about problems with
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newer versions, though.
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newer versions, though. If your OS vendor provides packages for the
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support libraries then using those packages may be the simplest way to
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install the libraries.
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@table @asis
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@item GNU Multiple Precision Library (GMP) version 4.3.2 (or later)
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Necessary to build GCC@. If you do not have it installed in your
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library search path, you will have to configure with the
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Necessary to build GCC@. If a GMP source distribution is found in a
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subdirectory of your GCC sources named @file{gmp}, it will be built
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together with GCC. Alternatively, if GMP is already installed but it
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is not in your library search path, you will have to configure with the
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@option{--with-gmp} configure option. See also @option{--with-gmp-lib}
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and @option{--with-gmp-include}. Alternatively, if a GMP source
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distribution is found in a subdirectory of your GCC sources named
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@file{gmp}, it will be built together with GCC@.
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and @option{--with-gmp-include}.
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@item MPFR Library version 2.4.2 (or later)
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Necessary to build GCC@. It can be downloaded from
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@uref{http://www.mpfr.org/}. The @option{--with-mpfr} configure
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option should be used if your MPFR Library is not installed in your
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default library search path. See also @option{--with-mpfr-lib} and
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@option{--with-mpfr-include}. Alternatively, if a MPFR source
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distribution is found in a subdirectory of your GCC sources named
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@file{mpfr}, it will be built together with GCC@.
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@uref{http://www.mpfr.org/}. If an MPFR source distribution is found
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in a subdirectory of your GCC sources named @file{mpfr}, it will be
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built together with GCC. Alternatively, if MPFR is already installed
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but it is not in your default library search path, the
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@option{--with-mpfr} configure option should be used. See also
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@option{--with-mpfr-lib} and @option{--with-mpfr-include}.
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@item MPC Library version 0.8.1 (or later)
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Necessary to build GCC@. It can be downloaded from
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@uref{http://www.multiprecision.org/}. The @option{--with-mpc}
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configure option should be used if your MPC Library is not installed
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in your default library search path. See also @option{--with-mpc-lib}
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and @option{--with-mpc-include}. Alternatively, if an MPC source
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distribution is found in a subdirectory of your GCC sources named
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@file{mpc}, it will be built together with GCC@.
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@uref{http://www.multiprecision.org/}. If an MPC source distribution
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is found in a subdirectory of your GCC sources named @file{mpc}, it
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will be built together with GCC. Alternatively, if MPC is already
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installed but it is not in your default library search path, the
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@option{--with-mpc} configure option should be used. See also
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@option{--with-mpc-lib} and @option{--with-mpc-include}.
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@item Parma Polyhedra Library (PPL) version 0.11
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@ -1608,10 +1610,11 @@ When neither of these configure options are used, the default will be
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@itemx --with-mpc=@var{pathname}
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@itemx --with-mpc-include=@var{pathname}
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@itemx --with-mpc-lib=@var{pathname}
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If you do not have GMP (the GNU Multiple Precision library), the MPFR
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If you want to build GCC but do not have the GMP library, the MPFR
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library and/or the MPC library installed in a standard location and
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you want to build GCC, you can explicitly specify the directory where
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they are installed (@samp{--with-gmp=@var{gmpinstalldir}},
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do not have their sources present in the GCC source tree then you
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can explicitly specify the directory where they are installed
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(@samp{--with-gmp=@var{gmpinstalldir}},
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@samp{--with-mpfr=@/@var{mpfrinstalldir}},
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@samp{--with-mpc=@/@var{mpcinstalldir}}). The
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@option{--with-gmp=@/@var{gmpinstalldir}} option is shorthand for
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