(
    cd "$SRCDIR"/unix

    abinfo "Configuring ..."
    ./configure \
        --prefix=/usr \
        --mandir=/usr/share/man \
        --enable-threads \
        --enable-64bit

    abinfo "Making ..."
    make

    abinfo "Patching tkConfig.sh ..."
    sed -e "s@^\(TK_SRC_DIR='\).*@\1/usr/include'@" \
        -e "/TK_B/s@='\(-L\)\?.*unix@='\1/usr/lib@" \
        -i tkConfig.sh

    abinfo "Installing ..."
    make install install-private-headers \
        DESTDIR="$PKGDIR"

    abinfo "Creating necessary symlinks ..."
    ln -sfv wish8.6 "$PKGDIR"/usr/bin/wish
    ln -sv /usr/lib/libtk8.6.so "$PKGDIR"/usr/lib/libtk.so

    abinfo "Sanitizing permission ..."
    chmod -v 755 "$PKGDIR"/usr/lib/libtk8.6.so
    chmod -v 644 "$PKGDIR"/usr/lib/libtkstub8.6.a
)
