# eglibc build functions (initially by Thomas JOURDAN).

 # Add the definitions common to glibc and eglibc

 #   do_libc_start_files

 #   do_libc

 #   do_libc_finish

 #   do_libc_add_ons_list

 . "${CT_LIB_DIR}/scripts/build/libc/glibc-eglibc.sh-common"

 # Download eglibc repository

 do_eglibc_get() {

     CT_HasOrAbort svn

     case "${CT_LIBC_VERSION}" in

         trunk)  svn_url="svn://svn.eglibc.org/trunk";;

         *)      svn_url="svn://svn.eglibc.org/branches/eglibc-${CT_LIBC_VERSION}";;

     esac

     case "${CT_EGLIBC_CHECKOUT}" in

         y)  svn_action="checkout";;

         *)  svn_action="export --force";;

     esac

     CT_DoExecLog ALL svn ${svn_action} -r "${CT_EGLIBC_REVISION:-HEAD}" "${svn_url}" "$(pwd)"

     # Compress eglibc

     CT_DoExecLog ALL mv libc "eglibc-${CT_LIBC_VERSION}"

     CT_DoExecLog ALL tar cjf "eglibc-${CT_LIBC_VERSION}.tar.bz2" "eglibc-${CT_LIBC_VERSION}"

     # Compress linuxthreads, localedef and ports

     # Assign them the name the way ct-ng like it

     for addon in linuxthreads localedef ports; do

         CT_DoExecLog ALL mv "${addon}" "eglibc-${addon}-${CT_LIBC_VERSION}"

         CT_DoExecLog ALL tar cjf "eglibc-${addon}-${CT_LIBC_VERSION}.tar.bz2" "eglibc-${addon}-${CT_LIBC_VERSION}"

     done

 }

 # Download glibc

 do_libc_get() {

     # eglibc is only available through subversion, there are no

     # snapshots available. Moreover, addons will be downloaded

     # simultaneously.

     # build filename

     eglibc="eglibc-${CT_LIBC_VERSION}.tar.bz2"

     eglibc_linuxthreads="${CT_LIBC}-linuxthreads-${CT_LIBC_VERSION}.tar.bz2"

     eglibc_localedef="${CT_LIBC}-localedef-${CT_LIBC_VERSION}.tar.bz2"

     eglibc_ports="${CT_LIBC}-ports-${CT_LIBC_VERSION}.tar.bz2"

     # Check if every tarballs are already present

     if [    -f "${CT_TARBALLS_DIR}/${eglibc}"                   \

          -a -f "${CT_TARBALLS_DIR}/${eglibc_linuxthreads}"      \

          -a -f "${CT_TARBALLS_DIR}/${eglibc_localedef}"         \

          -a -f "${CT_TARBALLS_DIR}/${eglibc_ports}"             \

        ]; then

         CT_DoLog DEBUG "Already have 'eglibc-${CT_LIBC_VERSION}'"

         return 0

     fi

     if [    -f "${CT_LOCAL_TARBALLS_DIR}/${eglibc}"                 \

          -a -f "${CT_LOCAL_TARBALLS_DIR}/${eglibc_linuxthreads}"    \

          -a -f "${CT_LOCAL_TARBALLS_DIR}/${eglibc_localedef}"       \

          -a -f "${CT_LOCAL_TARBALLS_DIR}/${eglibc_ports}"           \

          -a "${CT_FORCE_DOWNLOAD}" != "y"                           \

        ]; then

         CT_DoLog DEBUG "Got 'eglibc-${CT_LIBC_VERSION}' from local storage"

         for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do

             CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}"

         done

         return 0

     fi

     # Not found locally, try from the network

     CT_DoLog EXTRA "Retrieving 'eglibc-${CT_LIBC_VERSION}'"

     CT_MktempDir tmp_dir

     CT_Pushd "${tmp_dir}"

     do_eglibc_get

     CT_DoLog DEBUG "Moving 'eglibc-${CT_LIBC_VERSION}' to tarball directory"

     for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do

         CT_DoExecLog ALL mv -f "${file}" "${CT_TARBALLS_DIR}"

     done

     CT_Popd

     # Remove source files

     CT_DoExecLog ALL rm -rf "${tmp_dir}"

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

         CT_DoLog EXTRA "Saving 'eglibc-${CT_LIBC_VERSION}' to local storage"

         for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do

             CT_DoExecLog ALL mv -f "${CT_TARBALLS_DIR}/${file}" "${CT_LOCAL_TARBALLS_DIR}"

             CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}"

         done

     fi

     return 0

 }

 # Extract eglibc

 do_libc_extract() {

     CT_Extract "eglibc-${CT_LIBC_VERSION}"

     CT_Patch "eglibc" "${CT_LIBC_VERSION}"

     # C library addons

     for addon in $(do_libc_add_ons_list " "); do

         # NPTL addon is not to be extracted, in any case

         [ "${addon}" = "nptl" ] && continue || true

         CT_Pushd "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}"

         CT_Extract nochdir "eglibc-${addon}-${CT_LIBC_VERSION}"

         CT_TestAndAbort "Error in add-on '${addon}': both short and long names in tarball" \

             -d "${addon}" -a -d "eglibc-${addon}-${CT_LIBC_VERSION}"

         # Some addons have the 'long' name, while others have the

         # 'short' name, but patches are non-uniformly built with

         # either the 'long' or 'short' name, whatever the addons name

         # but we prefer the 'short' name and avoid duplicates.

         if [ -d "eglibc-${addon}-${CT_LIBC_VERSION}" ]; then

             mv "eglibc-${addon}-${CT_LIBC_VERSION}" "${addon}"

         fi

         ln -s "${addon}" "eglibc-${addon}-${CT_LIBC_VERSION}"

         CT_Patch nochdir "eglibc" "${addon}-${CT_LIBC_VERSION}"

         # Remove the long name since it can confuse configure scripts to run

         # the same source twice.

         rm "eglibc-${addon}-${CT_LIBC_VERSION}"

         CT_Popd

     done

     # The configure files may be older than the configure.in files

     # if using a snapshot (or even some tarballs). Fake them being

     # up to date.

     find "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}" -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL

     return 0

 }

 # Copy user provided eglibc configuration file if provided

 do_libc_check_config() {

     if [ "${CT_EGLIBC_CUSTOM_CONFIG}" != "y" ]; then

         return 0

     fi

     CT_DoStep INFO "Checking C library configuration"

     CT_TestOrAbort "You did not provide an eglibc config file!" \

         -n "${CT_EGLIBC_OPTION_GROUPS_FILE}" -a \

         -f "${CT_EGLIBC_OPTION_GROUPS_FILE}"

     CT_DoExecLog ALL cp "${CT_EGLIBC_OPTION_GROUPS_FILE}" "${CT_CONFIG_DIR}/eglibc.config"

     # NSS configuration

     if grep -E '^OPTION_EGLIBC_NSSWITCH[[:space:]]*=[[:space:]]*n' "${CT_EGLIBC_OPTION_GROUPS_FILE}" >/dev/null 2>&1; then

         CT_DoLog DEBUG "Using fixed-configuration nsswitch facility"

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

             nss_config="${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/nss/fixed-nsswitch.conf"

         else

             nss_config="${CT_EGLIBC_NSS_CONFIG_FILE}"

         fi

         CT_TestOrAbort "NSS config file not found!" -n "${nss_config}" -a -f "${nss_config}"

         CT_DoExecLog ALL cp "${nss_config}" "${CT_CONFIG_DIR}/nsswitch.config"

         echo "OPTION_EGLIBC_NSSWITCH_FIXED_CONFIG = ${CT_CONFIG_DIR}/nsswitch.config" \

             >> "${CT_CONFIG_DIR}/eglibc.config"

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

             nss_functions="${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/nss/fixed-nsswitch.functions"

         else

             nss_functions="${CT_EGLIBC_NSS_FUNCTIONS_FILE}"

         fi

         CT_TestOrAbort "NSS functions file not found!" -n "${nss_functions}" -a -f "${nss_functions}"

         CT_DoExecLog ALL cp "${nss_functions}" "${CT_CONFIG_DIR}/nsswitch.functions"

         echo "OPTION_EGLIBC_NSSWITCH_FIXED_FUNCTIONS = ${CT_CONFIG_DIR}/nsswitch.functions" \

             >> "${CT_CONFIG_DIR}/eglibc.config"

     else

         CT_DoLog DEBUG "Using full-blown nsswitch facility"

     fi

     CT_EndStep

 }