# This file adds functions to build glibc

 # Copyright 2007 Yann E. MORIN

 # Licensed under the GPL v2. See COPYING in the root of this package

 # 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

 do_libc_get() {

     local date

     local version

     local -a addons_list

     addons_list=($(do_libc_add_ons_list " "))

     # Main source

     CT_GetFile "glibc-${CT_LIBC_VERSION}"               \

                {ftp,http}://ftp.gnu.org/gnu/glibc       \

                ftp://gcc.gnu.org/pub/glibc/releases     \

                ftp://gcc.gnu.org/pub/glibc/snapshots

     # C library addons

     for addon in "${addons_list[@]}"; 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_GetFile "glibc-${addon}-${CT_LIBC_VERSION}"     \

                         {ftp,http}://ftp.gnu.org/gnu/glibc      \

                         ftp://gcc.gnu.org/pub/glibc/releases    \

                         ftp://gcc.gnu.org/pub/glibc/snapshots

         then

             # Some add-ons are bundled with glibc, others are

             # bundled in their own tarball. Eg. NPTL is internal,

             # while LinuxThreads was external. Also, for old

             # versions of glibc, the libidn add-on was external,

             # but with version >=2.10, it is internal.

             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

     return 0

 }

 # There is nothing to do for glibc check config

 do_libc_check_config() {

     :

 }

 # Extract the files required for the libc locales

 # Nothing to do

 do_libc_locales_extract() {

     :

 }

 # Build and install the libc locales

 do_libc_locales() {

     local src_dir="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}"

     local -a extra_config

     local glibc_cflags

     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[*]}'"

     glibc_cflags="-O2 -fno-stack-protector"

     case "${CT_LIBC_ENABLE_FORTIFIED_BUILD}" in

         y)  ;;

         *)  glibc_cflags+=" -U_FORTIFY_SOURCE";;

     esac

     # ./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                                                \

     CFLAGS="${glibc_cflags}"                                        \

     "${src_dir}/configure"                                          \

         --prefix=/usr                                               \

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

         --without-cvs                                               \

         --disable-profile                                           \

         --without-gd                                                \

         --disable-debug                                             \

         "${extra_config[@]}"

     CT_DoLog EXTRA "Building C library localedef"

     CT_DoExecLog ALL make ${JOBSFLAGS}

     # The target's endianness and uint32_t alignment should be passed as options

     # to localedef, but glibc's localedef does not support these options, which

     # means that the locale files generated here will be suitable for the target

     # only if it has the same endianness and uint32_t alignment as the host's.

     CT_DoLog EXTRA "Installing C library locales"

     CT_DoExecLog ALL make ${JOBSFLAGS}                              \

                           install_root="${CT_SYSROOT_DIR}"          \

                           localedata/install-locales

 }