# 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