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path: root/scripts/build/debug/300-gdb.sh
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# 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)"
    if [ "${CT_GDB_NATIVE}" = "y" ]; then
        echo "ncurses-${CT_NCURSES_VERSION}"
    fi
}

do_debug_gdb_suffix() {
    case "${CT_GDB_VERSION}" in
        snapshot)   ;;
        *)          echo "-${CT_GDB_VERSION}";;
    esac
}

do_debug_gdb_parts() {
    do_gdb=
    do_insight=
    do_ncurses=

    if [ "${CT_GDB_CROSS}" = y ]; then
        if [ "${CT_GDB_CROSS_INSIGHT}" = "y" ]; then
            do_insight=y
        else
            do_gdb=y
        fi
    fi

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

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

do_debug_gdb_get() {
    do_debug_gdb_parts

    if [ "${do_gdb}" = "y" ]; then
        CT_GetFile "gdb$(do_debug_gdb_suffix)"              \
                   {ftp,http}://ftp.gnu.org/pub/gnu/gdb     \
                   ftp://sources.redhat.com/pub/gdb/{{,old-}releases,snapshots/current}
    fi

    if [ "${do_insight}" = "y" ]; then
        CT_GetFile "insight-${CT_GDB_VERSION}"                                              \
                   ftp://sourceware.org/pub/insight/releases                                \
                   {ftp,http}://ftp.twaren.net/Unix/Sourceware/insight/releases             \
                   {ftp,http}://ftp.gwdg.de/pub/linux/sources.redhat.com/insight/releases
    fi

    if [ "${do_ncurses}" = "y" ]; then
        CT_GetFile "ncurses-${CT_NCURSES_VERSION}"          \
                   {ftp,http}://ftp.gnu.org/pub/gnu/ncurses \
                   ftp://invisible-island.net/ncurses
    fi
}

do_debug_gdb_extract() {
    do_debug_gdb_parts

    if [ "${do_gdb}" = "y" ]; then
        CT_ExtractAndPatch "gdb$(do_debug_gdb_suffix)"
    fi

    if [ "${do_insight}" = "y" ]; then
        CT_ExtractAndPatch "insight-${CT_GDB_VERSION}"
    fi

    if [ "${do_ncurses}" = "y" ]; then
        CT_ExtractAndPatch "ncurses-${CT_NCURSES_VERSION}"
    fi
}

do_debug_gdb_build() {
    gdb_src_dir="${CT_SRC_DIR}/gdb$(do_debug_gdb_suffix)"
    insight_src_dir="${CT_SRC_DIR}/insight-${CT_GDB_VERSION}"

    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"

        cross_extra_config="${extra_config}"
        if [ "${CT_GMP_MPFR}" = "y" ]; then
            cross_extra_config="${cross_extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"
        fi
        case "${CT_THREADS}" in
            none)   cross_extra_config="${cross_extra_config} --disable-threads";;
            *)      cross_extra_config="${cross_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

        gdb_cross_configure="${gdb_src_dir}/configure"
        [ "${CT_GDB_CROSS_INSIGHT}" = "y" ] && gdb_cross_configure="${insight_src_dir}/configure"

        CT_DoLog DEBUG "Extra config passed: '${cross_extra_config# }'"

        CC="${CC_for_gdb}"                              \
        LD="${LD_for_gdb}"                              \
        CT_DoExecLog ALL                                \
        "${gdb_cross_configure}"                        \
            --build=${CT_BUILD}                         \
            --host=${CT_HOST}                           \
            --target=${CT_TARGET}                       \
            --prefix="${CT_PREFIX_DIR}"                 \
            --with-build-sysroot="${CT_SYSROOT_DIR}"    \
            --disable-werror                            \
            ${cross_extra_config}

        CT_DoLog EXTRA "Building cross-gdb"
        CT_DoExecLog ALL make ${PARALLELMFLAGS}

        CT_DoLog EXTRA "Installing cross-gdb"
        CT_DoExecLog ALL make install

        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"
        [ "${CT_CC_LANG_ADA}" = "y" ] || ncurses_opts="${ncurses_opts} --without-ada"

        CT_DoExecLog ALL                                        \
        "${CT_SRC_DIR}/ncurses-${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}

        CT_DoLog EXTRA "Building ncurses"
        CT_DoExecLog ALL make ${PARALLELMFLAGS}

        CT_DoLog EXTRA "Installing ncurses"
        mkdir -p "${CT_SYSROOT_DIR}/usr/bin"
        CT_DoExecLog ALL make DESTDIR="${CT_SYSROOT_DIR}" install

        CT_EndStep

        CT_DoLog EXTRA "Configuring native gdb"

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

        native_extra_config="${extra_config}"
        case "${CT_THREADS}" in
            none)   native_extra_config="${native_extra_config} --disable-threads";;
            *)      native_extra_config="${native_extra_config} --enable-threads";;
        esac
        if [ "${CT_GDB_NATIVE_USE_GMP_MPFR}" = "y" ]; then
            native_extra_config="${native_extra_config} --with-gmp=${CT_SYSROOT_DIR}/usr --with-mpfr=${CT_SYSROOT_DIR}/usr"
        fi

        if [ "${CT_GDB_NATIVE_STATIC}" = "y" ]; then
            CC_for_gdb="${CT_TARGET}-gcc -static"
            LD_for_gdb="${CT_TARGET}-ld -static"
        else
            CC_for_gdb="${CT_TARGET}-gcc"
            LD_for_gdb="${CT_TARGET}-ld"
        fi

        export ac_cv_func_strncmp_works=yes

        CT_DoLog DEBUG "Extra config passed: '${native_extra_config# }'"

        CC="${CC_for_gdb}"                              \
        LD="${LD_for_gdb}"                              \
        CT_DoExecLog ALL                                \
        "${gdb_src_dir}/configure"                      \
            --build=${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                           \
            ${native_extra_config}

        CT_DoLog EXTRA "Building native gdb"
        CT_DoExecLog ALL make ${PARALLELMFLAGS} CC=${CT_TARGET}-${CT_CC}

        CT_DoLog EXTRA "Installing native gdb"
        CT_DoExecLog ALL make DESTDIR="${CT_DEBUG_INSTALL_DIR}" install

        # Building a native gdb also builds a 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

        gdbserver_extra_config="${extra_config}"

        LDFLAGS="${gdbserver_LDFLAGS}"                  \
        CT_DoExecLog ALL                                \
        "${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                           \
            --disable-werror                            \
            ${gdbserver_extra_config}

        CT_DoLog EXTRA "Building gdbserver"
        CT_DoExecLog ALL make ${PARALLELMFLAGS} CC=${CT_TARGET}-${CT_CC}

        CT_DoLog EXTRA "Installing gdbserver"
        CT_DoExecLog ALL make DESTDIR="${CT_DEBUG_INSTALL_DIR}" install

        CT_EndStep
    fi
}