# Build script for the gdb debug facility

is_enabled="${CT_GDB}"

do_print_filename() {

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

    echo "gdb$(do_debug_gdb_suffix)"

    [ "${CT_GDB_NATIVE}" = "y" ] && echo "ncurses-${CT_NCURSES_VERSION}"

}

do_debug_gdb_suffix() {

    case "${CT_GDB_VERSION}" in

        snapshot)   ;;

        *)          echo "-${CT_GDB_VERSION}";;

    esac

}

do_debug_gdb_get() {

    CT_GetFile "gdb$(do_debug_gdb_suffix)"              \

               {ftp,http}://ftp.gnu.org/pub/gnu/gdb     \

               ftp://sources.redhat.com/pub/gdb/{{,old-}releases,snapshots/current}

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

        CT_GetFile "ncurses-${CT_NCURSES_VERSION}"          \

                   {ftp,http}://ftp.gnu.org/pub/gnu/ncurses \

                   ftp://invisible-island.net/ncurses

    fi

}

do_debug_gdb_extract() {

    CT_ExtractAndPatch "gdb$(do_debug_gdb_suffix)"

    [ "${CT_GDB_NATIVE}" = "y" ] && CT_ExtractAndPatch "ncurses-${CT_NCURSES_VERSION}"

}

do_debug_gdb_build() {

    gdb_src_dir="${CT_SRC_DIR}/gdb$(do_debug_gdb_suffix)"

    extra_config=

    # Version 6.3 and below behave badly with gdbmi

    case "${CT_GDB_VERSION}" in

        6.2*|6.3)   extra_config="${extra_config} --disable-gdbmi";;

    esac

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

        CT_DoStep INFO "Installing cross-gdb"

        CT_DoLog EXTRA "Configuring cross-gdb"

        mkdir -p "${CT_BUILD_DIR}/build-gdb-cross"

        cd "${CT_BUILD_DIR}/build-gdb-cross"

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

            extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"

        fi

        case "${CT_THREADS}" in

            none)   extra_config="${extra_config} --disable-threads";;

            *)      extra_config="${extra_config} --enable-threads";;

        esac

        CC_for_gdb=

        LD_for_gdb=

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

            CC_for_gdb="gcc -static"

            LD_for_gdb="ld -static"

        fi

        CC="${CC_for_gdb}"                              \

        LD="${LD_for_gdb}"                              \

        "${gdb_src_dir}/configure"                      \

            --build=${CT_BUILD}                         \

            --host=${CT_HOST}                           \

            --target=${CT_TARGET}                       \

            --prefix="${CT_PREFIX_DIR}"                 \

            --with-build-sysroot="${CT_SYSROOT_DIR}"    \

            ${extra_config}                             2>&1 |CT_DoLog ALL

        CT_DoLog EXTRA "Building cross-gdb"

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

        CT_DoLog EXTRA "Installing cross-gdb"

        make install                                    2>&1 |CT_DoLog ALL

        CT_EndStep

    fi

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

        CT_DoStep INFO "Installing native gdb"

        CT_DoStep INFO "Installing ncurses library"

        CT_DoLog EXTRA "Configuring ncurses"

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

        cd "${CT_BUILD_DIR}/build-ncurses"

        ncurses_opts=

        [ "${CT_CC_LANG_CXX}" = "y" ] || ncurses_opts="${ncurses_opts} --without-cxx --without-cxx-binding"

        "${CT_SRC_DIR}/ncurses-${CT_NCURSES_VERSION}/configure" \

            --build=${CT_BUILD}                                 \

            --host=${CT_TARGET}                                 \

            --with-build-cc=${CT_CC}                            \

            --with-build-cpp=${CT_CC}                           \

            --with-build-cflags="${CT_CFLAGS_FOR_HOST}"         \

            --prefix=/usr                                       \

            --with-shared                                       \

            --without-sysmouse                                  \

            --without-progs                                     \

            --enable-termcap                                    \

            ${ncurses_opts}                                     2>&1 |CT_DoLog ALL

        CT_DoLog EXTRA "Building ncurses"

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

        CT_DoLog EXTRA "Installing ncurses"

        mkdir -p -v "${CT_SYSROOT_DIR}/usr/bin"     2>&1 |CT_DoLog ALL

        make DESTDIR="${CT_SYSROOT_DIR}" install    2>&1 |CT_DoLog ALL

        CT_EndStep

        CT_DoLog EXTRA "Configuring native gdb"

        mkdir -p "${CT_BUILD_DIR}/build-gdb-native"

        cd "${CT_BUILD_DIR}/build-gdb-native"

        case "${CT_THREADS}" in

            none)   extra_config="${extra_config} --disable-threads";;

            *)      extra_config="${extra_config} --enable-threads";;

        esac

        CC_for_gdb=

        LD_for_gdb=

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

            CC_for_gdb="${CT_TARGET}-gcc -static"

            LD_for_gdb="${CT_TARGET}-ld -static"

        fi

        export ac_cv_func_strncmp_works=yes

        CC="${CC_for_gdb}"                              \

        LD="${LD_for_gdb}"                              \

        "${gdb_src_dir}/configure"                      \

            --build=${CT_BUILD}                         \

            --host=${CT_TARGET}                         \

            --target=${CT_TARGET}                       \

            --prefix=/usr                               \

            --with-build-sysroot="${CT_SYSROOT_DIR}"    \

            --without-uiout                             \

            --disable-tui                               \

            --disable-gdbtk                             \

            --without-x                                 \

            --disable-sim                               \

            --disable-werror                            \

            --without-included-gettext                  \

            --without-develop                           \

            ${extra_config}                             2>&1 |CT_DoLog ALL

        CT_DoLog EXTRA "Building native gdb"

        make ${PARALLELMFLAGS} CC=${CT_TARGET}-${CT_CC} 2>&1 |CT_DoLog ALL

        CT_DoLog EXTRA "Installing native gdb"

        make DESTDIR="${CT_DEBUG_INSTALL_DIR}" install  2>&1 |CT_DoLog ALL

        # Building a native gdb also builds a gdbserver

        CT_DoLog DEBUG "Removing spurious gdbserver"

        find "${CT_DEBUG_INSTALL_DIR}" -type f -name gdbserver -exec rm -fv {} + 2>&1 |CT_DoLog ALL

        unset ac_cv_func_strncmp_works

        CT_EndStep

    fi

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

        CT_DoStep INFO "Installing gdbserver"

        CT_DoLog EXTRA "Configuring gdbserver"

        mkdir -p "${CT_BUILD_DIR}/build-gdb-gdbserver"

        cd "${CT_BUILD_DIR}/build-gdb-gdbserver"

        # Workaround for bad versions, where the configure

        # script for gdbserver is not executable...

        # Bah, GNU folks strike again... :-(

        chmod +x "${gdb_src_dir}/gdb/gdbserver/configure"

        gdbserver_LDFLAGS=

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

            gdbserver_LDFLAGS=-static

        fi

        LDFLAGS="${gdbserver_LDFLAGS}"                  \

        "${gdb_src_dir}/gdb/gdbserver/configure"        \

            --build=${CT_BUILD}                         \

            --host=${CT_TARGET}                         \

            --target=${CT_TARGET}                       \

            --prefix=/usr                               \

            --sysconfdir=/etc                           \

            --localstatedir=/var                        \

            --includedir="${CT_HEADERS_DIR}"            \

            --with-build-sysroot="${CT_SYSROOT_DIR}"    \

            --program-prefix=                           \

            --without-uiout                             \

            --disable-tui                               \

            --disable-gdbtk                             \

            --without-x                                 \

            --without-included-gettext                  \

            --without-develop                           \

            ${extra_config}                             2>&1 |CT_DoLog ALL

        CT_DoLog EXTRA "Building gdbserver"

        make ${PARALLELMFLAGS} CC=${CT_TARGET}-${CT_CC} 2>&1 |CT_DoLog ALL

        CT_DoLog EXTRA "Installing gdbserver"

        make DESTDIR="${CT_DEBUG_INSTALL_DIR}" install  2>&1 |CT_DoLog ALL

        CT_EndStep

    fi

}