# This file adds the functions to build the MPFR library

 # Copyright 2008 Yann E. MORIN

 # Licensed under the GPL v2. See COPYING in the root of this package

 if [ "${CT_CC_GCC_GMP_MPFR}" = "y" ]; then

 do_print_filename() {

     [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] || return 0

     echo "mpfr-${CT_MPFR_VERSION}"

 }

 # Download MPFR

 do_mpfr_get() {

     CT_GetFile "${CT_MPFR_FILE}" http://www.mpfr.org/mpfr-current/          \

                                  http://www.mpfr.org/mpfr-${CT_MPFR_VERSION}/

 }

 # Extract MPFR

 do_mpfr_extract() {

     CT_ExtractAndPatch "${CT_MPFR_FILE}"

     # OK, Gentoo have a sanity check that libtool.m4 and ltmain.sh have the

     # same version number. Unfortunately, some tarballs of MPFR are not

     # built sanely, and thus ./configure fails on Gentoo.

     # See: http://sourceware.org/ml/crossgcc/2008-05/msg00080.html

     # and: http://sourceware.org/ml/crossgcc/2008-06/msg00005.html

     # This hack is not bad per se, but the MPFR guys would be better not to

     # do that in the future...

     CT_Pushd "${CT_SRC_DIR}/${CT_MPFR_FILE}"

     if [ ! -f .autotools.ct-ng ]; then

         CT_DoLog EXTRA "Re-building autotools files"

         autoreconf -fi  2>&1 |CT_DoLog ALL

         libtoolize -f   2>&1 |CT_DoLog ALL

         touch .autotools.ct-ng

     fi

     CT_Popd

 }

 do_mpfr() {

     mkdir -p "${CT_BUILD_DIR}/build-mpfr"

     cd "${CT_BUILD_DIR}/build-mpfr"

     CT_DoStep INFO "Installing MPFR"

     CT_DoLog EXTRA "Configuring MPFR"

     CFLAGS="${CT_CFLAGS_FOR_HOST}"                          \

     "${CT_SRC_DIR}/${CT_MPFR_FILE}/configure"               \

         --build=${CT_BUILD}                                 \

         --host=${CT_HOST}                                   \

         --prefix="${CT_PREFIX_DIR}"                         \

         --enable-thread-safe                                \

         --disable-shared --enable-static                    \

         --with-gmp="${CT_PREFIX_DIR}"                       2>&1 |CT_DoLog ALL

     CT_DoLog EXTRA "Building MPFR"

     make ${PARALLELMFLAGS}  2>&1 |CT_DoLog ALL

     if [ "${CT_MPFR_CHECK}" = "y" ]; then

         CT_DoLog EXTRA "Checking MPFR"

         make -s check       2>&1 |CT_DoLog ALL

     fi

     CT_DoLog EXTRA "Installing MPFR"

     make install            2>&1 |CT_DoLog ALL

     CT_EndStep

 }

 else # No MPFR

 do_print_filename() { :; }

 do_mpfr_get() { :; }

 do_mpfr_extract() { :; }

 do_mpfr() { :; }

 fi