# eglibc build functions (initially by Thomas JOURDAN).

 # Add the definitions common to glibc and eglibc

 #   do_libc_extract

 #   do_libc_start_files

 #   do_libc

 #   do_libc_add_ons_list

 #   do_libc_min_kernel_config

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

 # Download glibc

 # eglibc is only available through subversion, there are no

 # snapshots available.

 do_libc_get() {

     local addon

     local -a extra_addons

     local svn_base

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

         svn_base="http://www.eglibc.org/svn"

     else

         svn_base="svn://svn.eglibc.org"

     fi

     case "${CT_LIBC_VERSION}" in

         trunk)  svn_base+="/trunk";;

         *)      svn_base+="/branches/eglibc-${CT_LIBC_VERSION}";;

     esac

     CT_GetSVN "eglibc-${CT_LIBC_VERSION}"   \

               "${svn_base}/libc"            \

               "${CT_EGLIBC_REVISION:-HEAD}"

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

         extra_addons+=("localedef")

     fi

     for addon in $(do_libc_add_ons_list " ") "${extra_addons[@]}"; do

         # Never ever try to download these add-ons,

         # they've always been internal

         case "${addon}" in

             nptl)   continue;;

         esac

         case "${CT_LIBC_GLIBC_PORTS_EXTERNAL}" in

             y)   ;;

             *)   continue;;

         esac

         if ! CT_GetSVN "eglibc-${addon}-${CT_LIBC_VERSION}" \

                        "${svn_base}/${addon}"               \

                        "${CT_EGLIBC_REVISION:-HEAD}"

         then

             # Some add-ons are bundled with the main sources

             # so failure to download them is expected

             CT_DoLog DEBUG "Addon '${addon}' could not be downloaded."

             CT_DoLog DEBUG "We'll see later if we can find it in the source tree"

         fi

     done

 }

 # 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

 }

 # Extract the files required for the libc locales

 do_libc_locales_extract() {

     CT_Extract "eglibc-localedef-${CT_LIBC_VERSION}"

     CT_Patch "eglibc" "localedef-${CT_LIBC_VERSION}"

 }

 # Build and install the libc locales

 do_libc_locales() {

     local libc_src_dir="${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}"

     local src_dir="${CT_SRC_DIR}/eglibc-localedef-${CT_LIBC_VERSION}"

     local -a extra_config

     local -a localedef_opts

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

     cd "${CT_BUILD_DIR}/build-localedef"

     CT_DoLog EXTRA "Configuring C library localedef"

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

         extra_config+=("--with-pkgversion=${CT_PKGVERSION}")

         [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")

     fi

     CT_DoLog DEBUG "Extra config args passed: '${extra_config[*]}'"

     # ./configure is misled by our tools override wrapper for bash

     # so just tell it where the real bash is _on_the_target_!

     # Notes:

     # - ${ac_cv_path_BASH_SHELL} is only used to set BASH_SHELL

     # - ${BASH_SHELL}            is only used to set BASH

     # - ${BASH}                  is only used to set the shebang

     #                            in two scripts to run on the target

     # So we can safely bypass bash detection at compile time.

     # Should this change in a future eglibc release, we'd better

     # directly mangle the generated scripts _after_ they get built,

     # or even after they get installed...

     echo "ac_cv_path_BASH_SHELL=/bin/bash" >>config.cache

     # Configure with --prefix the way we want it on the target...

     CT_DoExecLog CFG                                                \

     CPPFLAGS="-DNOT_IN_libc"                                        \

     "${src_dir}/configure"                                          \

         --prefix=/usr                                               \

         --cache-file="$(pwd)/config.cache"                          \

         --with-glibc="${libc_src_dir}"                              \

         "${extra_config[@]}"

     CT_DoLog EXTRA "Building C library localedef"

     CT_DoExecLog ALL make ${JOBSFLAGS}

     # Set the localedef endianness option

     case "${CT_ARCH_ENDIAN}" in

         big)    localedef_opts+=(--big-endian);;

         little) localedef_opts+=(--little-endian);;

     esac

     # Set the localedef option for the target's uint32_t alignment in bytes.

     # This is target-specific, but for now, 32-bit alignment should work for all

     # supported targets, even 64-bit ones.

     localedef_opts+=(--uint32-align=4)

     CT_DoLog EXTRA "Installing C library locales"

     CT_DoExecLog ALL make ${JOBSFLAGS}                              \

                           "LOCALEDEF_OPTS=${localedef_opts[*]}"     \

                           install_root="${CT_SYSROOT_DIR}"          \

                           install-locales

 }