yann@2270: # This file contains the functions common to glibc and eglibc
yann@850: 
yann@2483: # Extract the C library tarball(s)
yann@2483: do_libc_extract() {
yann@2483:     local addon
yann@2483: 
yann@2483:     # Extract the main tarball
yann@2483:     CT_Extract "${CT_LIBC}-${CT_LIBC_VERSION}"
yann@2483:     CT_Pushd "${CT_SRC_DIR}/${CT_LIBC}-${CT_LIBC_VERSION}"
yann@2483:     CT_Patch nochdir "${CT_LIBC}" "${CT_LIBC_VERSION}"
yann@2483: 
yann@2483:     # Extract the add-opns
yann@2483:     for addon in $(do_libc_add_ons_list " "); do
yann@2496:         # If the addon was bundled with the main archive, we do not
yann@2496:         # need to extract it. Worse, if we were to try to extract
yann@2496:         # it, we'd get an error.
yann@2496:         if [ -d "${addon}" ]; then
yann@2496:             CT_DoLog DEBUG "Add-on already present, spkipping extraction"
yann@2496:             continue
yann@2496:         fi
yann@2483: 
yann@2483:         CT_Extract nochdir "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
yann@2483: 
yann@2483:         CT_TestAndAbort "Error in add-on '${addon}': both short and long names in tarball" \
yann@2483:             -d "${addon}" -a -d "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
yann@2483: 
yann@2483:         # Some addons have the 'long' name, while others have the
yann@2483:         # 'short' name, but patches are non-uniformly built with
yann@2483:         # either the 'long' or 'short' name, whatever the addons name
yann@2483:         # but we prefer the 'short' name and avoid duplicates.
yann@2483:         if [ -d "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" ]; then
esben@2699:             CT_DoExecLog FILE mv "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" "${addon}"
yann@2483:         fi
yann@2483: 
esben@2699:         CT_DoExecLog FILE ln -s "${addon}" "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
yann@2483: 
yann@2483:         CT_Patch nochdir "${CT_LIBC}" "${addon}-${CT_LIBC_VERSION}"
yann@2483: 
yann@2483:         # Remove the long name since it can confuse configure scripts to run
yann@2483:         # the same source twice.
yann@2483:         rm "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
yann@2483:     done
yann@2483: 
yann@2483:     # The configure files may be older than the configure.in files
yann@2483:     # if using a snapshot (or even some tarballs). Fake them being
yann@2483:     # up to date.
yann@2483:     find . -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
yann@2483: 
yann@2483:     CT_Popd
benoit@2585: 
benoit@2585:     if [ "${CT_LIBC_LOCALES}" = "y" ]; then
benoit@2585:         do_libc_locales_extract
benoit@2585:     fi
yann@2483: }
yann@2483: 
yann@2270: # Build and install headers and start files
yann@850: do_libc_start_files() {
bryanhundven@2515:     # Start files and Headers should be configured the same way as the
bryanhundven@2515:     # final libc, but built and installed differently.
bryanhundven@2515:     do_libc_backend libc_mode=startfiles
yann@850: }
yann@850: 
yann@2270: # This function builds and install the full C library
yann@850: do_libc() {
bryanhundven@2515:     do_libc_backend libc_mode=final
bryanhundven@2515: }
bryanhundven@2515: 
yann@2825: # This backend builds the C library once for each multilib
yann@2825: # variant the compiler gives us
yann@2806: # Usage: do_libc_backend param=value [...]
yann@2806: #   Parameter           : Definition                            : Type      : Default
yann@2819: #   libc_mode           : 'startfiles' or 'final'               : string    : (none)
yann@2825: do_libc_backend() {
yann@2825:     local libc_mode
yann@2825:     local -a multilibs
yann@2825:     local multilib
yann@2825:     local multi_dir
yann@2825:     local multi_flags
yann@2825:     local extra_dir
yann@2826:     local libc_headers libc_startfiles libc_full
yann@2826:     local hdr
yann@2826:     local arg
yann@2825: 
yann@2825:     for arg in "$@"; do
yann@2825:         eval "${arg// /\\ }"
yann@2825:     done
yann@2825: 
yann@2825:     case "${libc_mode}" in
yann@2826:         startfiles)
yann@2826:             CT_DoStep INFO "Installing C library headers & start files"
yann@2826:             hdr=y
yann@2826:             libc_startfiles=y
yann@2826:             libc_full=
yann@2826:             ;;
yann@2826:         final)
yann@2826:             CT_DoStep INFO "Installing C library"
yann@2826:             hdr=
yann@2826:             libc_startfiles=
yann@2826:             libc_full=y
yann@2826:             ;;
yann@2826:         *)  CT_Abort "Unsupported (or unset) libc_mode='${libc_mode}'";;
yann@2825:     esac
yann@2825: 
yann@2825:     # If gcc is not configured for multilib, it still prints
yann@2825:     # a single line for the default settings
yann@2825:     multilibs=( $("${CT_TARGET}-gcc" -print-multi-lib 2>/dev/null) )
yann@2825:     for multilib in "${multilibs[@]}"; do
yann@2825:         multi_dir="${multilib%%;*}"
yann@2825:         if [ "${multi_dir}" != "." ]; then
yann@2825:             CT_DoStep INFO "Building for multilib subdir='${multi_dir}'"
yann@2825: 
yann@2825:             extra_flags="$( echo "${multilib#*;}"       \
yann@2825:                             |${sed} -r -e 's/@/ -/g;'   \
yann@2825:                           )"
yann@2825:             extra_dir="/${multi_dir}"
yann@2825: 
yann@2825:             # glibc install its files in ${extra_dir}/{usr/,}lib
yann@2825:             # while gcc expects them in {,usr/}lib/${extra_dir}.
yann@2825:             # Prepare some symlinks so glibc installs in fact in
yann@2825:             # the proper place
yann@2825:             # We do it in the start-files step, so it is not needed
yann@2825:             # to do it in the final step, as the symlinks will
yann@2825:             # already exist
yann@2825:             if [ "${libc_mode}" = "startfiles" ]; then
yann@2825:                 CT_Pushd "${CT_SYSROOT_DIR}"
yann@2825:                 CT_DoExecLog ALL mkdir -p "lib/${multi_dir}"        \
yann@2825:                                           "usr/lib/${multi_dir}"    \
yann@2825:                                           "${multi_dir}"            \
yann@2825:                                           "${multi_dir}/usr"
yann@2825:                 CT_DoExecLog ALL ln -sf "../lib/${multi_dir}" "${multi_dir}/lib"
yann@2825:                 CT_DoExecLog ALL ln -sf "../../usr/lib/${multi_dir}" "${multi_dir}/usr/lib"
yann@2825:                 CT_Popd
yann@2825:             fi
yann@2826:             libc_headers=
yann@2825:         else
yann@2825:             extra_dir=
yann@2825:             extra_flags=
yann@2826:             libc_headers="${hdr}"
yann@2825:         fi
yann@2825: 
yann@2825:         mkdir -p "${CT_BUILD_DIR}/build-libc-${libc_mode}${extra_dir//\//_}"
yann@2825:         CT_Pushd "${CT_BUILD_DIR}/build-libc-${libc_mode}${extra_dir//\//_}"
yann@2825: 
yann@2826:         do_libc_backend_once extra_dir="${extra_dir}"               \
yann@2826:                              extra_flags="${extra_flags}"           \
yann@2826:                              libc_headers="${libc_headers}"         \
yann@2826:                              libc_startfiles="${libc_startfiles}"   \
yann@2826:                              libc_full="${libc_full}"
yann@2825: 
yann@2825:         CT_Popd
yann@2825: 
yann@2825:         if [ "${multi_dir}" != "." ]; then
yann@2825:             if [ "${libc_mode}" = "final" ]; then
yann@2825:                 CT_DoLog EXTRA "Fixing up multilib location"
yann@2825: 
yann@2825:                 # rewrite the library multiplexers
yann@2825:                 for d in "lib/${multi_dir}" "usr/lib/${multi_dir}"; do
yann@2825:                     for l in libc libpthread libgcc_s; do
yann@2825:                         if [    -f "${CT_SYSROOT_DIR}/${d}/${l}.so"    \
yann@2825:                              -a ! -L ${CT_SYSROOT_DIR}/${d}/${l}.so    ]
yann@2825:                         then
yann@2825:                             CT_DoExecLog DEBUG ${sed} -r -i                                 \
yann@2825:                                                       -e "s:/lib/:/lib/${multi_dir}/:g;"    \
yann@2825:                                                       "${CT_SYSROOT_DIR}/${d}/${l}.so"
yann@2825:                         fi
yann@2825:                     done
yann@2825:                 done
yann@2827:                 # Remove the multi_dir now it is no longer useful
yann@2827:                 CT_DoExecLog DEBUG rm -rf "${CT_SYSROOT_DIR}/${multi_dir}"
yann@2825:             fi # libc_mode == final
yann@2827: 
yann@2825:             CT_EndStep
yann@2825:         fi
yann@2825:     done
yann@2825: 
yann@2825:     CT_EndStep
yann@2825: }
yann@2825: 
yann@2825: # This backend builds the C library once
yann@2825: # Usage: do_libc_backend_once param=value [...]
yann@2825: #   Parameter           : Definition                            : Type      : Default
yann@2826: #   libc_headers        : Build libc headers                    : bool      : n
yann@2826: #   libc_startfiles     : Build libc start-files                : bool      : n
yann@2826: #   libc_full           : Build full libc                       : bool      : n
yann@2820: #   extra_flags         : Extra CFLAGS to use (for multilib)    : string    : (empty)
yann@2823: #   extra_dir           : Extra subdir for multilib             : string    : (empty)
yann@2825: do_libc_backend_once() {
yann@2826:     local libc_headers
yann@2826:     local libc_startfiles
yann@2826:     local libc_full
yann@2820:     local extra_flags
yann@2823:     local extra_dir
yann@2271:     local src_dir="${CT_SRC_DIR}/${CT_LIBC}-${CT_LIBC_VERSION}"
yann@2276:     local extra_cc_args
yann@1478:     local -a extra_config
yann@2271:     local -a extra_make_args
yann@2312:     local glibc_cflags
yann@2821:     local float_extra
yann@2822:     local endian_extra
yann@2883:     local arg
yann@1478: 
yann@2883:     for arg in "$@"; do
yann@2883:         eval "${arg// /\\ }"
bryanhundven@2515:     done
yann@850: 
yann@850:     CT_DoLog EXTRA "Configuring C library"
yann@850: 
yann@2271:     case "${CT_LIBC}" in
yann@2271:         eglibc)
yann@2271:             if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
yann@2271:                 CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
yann@2271:             fi
yann@2271:             if [ "${CT_EGLIBC_OPT_SIZE}" = "y" ]; then
yann@2271:                 OPTIMIZE=-Os
yann@2271:             else
yann@2271:                 OPTIMIZE=-O2
yann@2271:             fi
yann@2271:             ;;
yann@2276:         glibc)
yann@2276:             # glibc can't be built without -O2 (reference needed!)
yann@2276:             OPTIMIZE=-O2
yann@2276:             # Also, if those two are missing, iconv build breaks
yann@2276:             extra_config+=( --disable-debug --disable-sanity-checks )
yann@2276:             ;;
yann@2271:     esac
richard@1796: 
yann@850:     # Add some default glibc config options if not given by user.
yann@850:     # We don't need to be conditional on wether the user did set different
yann@2467:     # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG_ARRAY is passed after
yann@2467:     # extra_config
yann@850: 
yann@2273:     extra_config+=("$(do_libc_min_kernel_config)")
yann@850: 
yann@850:     case "${CT_THREADS}" in
yann@1478:         nptl)           extra_config+=("--with-__thread" "--with-tls");;
yann@1478:         linuxthreads)   extra_config+=("--with-__thread" "--without-tls" "--without-nptl");;
yann@1478:         none)           extra_config+=("--without-__thread" "--without-nptl")
yann@2467:                         case "${CT_LIBC_GLIBC_EXTRA_CONFIG_ARRAY[*]}" in
yann@850:                             *-tls*) ;;
yann@1478:                             *) extra_config+=("--without-tls");;
yann@850:                         esac
yann@850:                         ;;
yann@850:     esac
yann@850: 
yann@850:     case "${CT_SHARED_LIBS}" in
yann@1478:         y) extra_config+=("--enable-shared");;
yann@1478:         *) extra_config+=("--disable-shared");;
yann@850:     esac
yann@850: 
yann@2821:     float_extra="$( echo "${extra_flags}"       \
yann@2821:                     |${sed} -r -e '/^(.*[[:space:]])?-m(hard|soft)-float([[:space:]].*)?$/!d;'  \
yann@2821:                                -e 's//\2/;'     \
yann@2821:                   )"
yann@2821:     case "${float_extra}" in
michael@2737:         hard)   extra_config+=("--with-fp");;
michael@2737:         soft)   extra_config+=("--without-fp");;
yann@2821:         "")
yann@2821:             case "${CT_ARCH_FLOAT}" in
yann@2821:                 hard|softfp)    extra_config+=("--with-fp");;
yann@2821:                 soft)           extra_config+=("--without-fp");;
yann@2821:             esac
yann@2821:             ;;
yann@850:     esac
yann@850: 
bryanhundven@2180:     if [ "${CT_LIBC_DISABLE_VERSIONING}" = "y" ]; then
bryanhundven@2180:         extra_config+=("--disable-versioning")
bryanhundven@2180:     fi
bryanhundven@2180: 
bryanhundven@2181:     if [ "${CT_LIBC_OLDEST_ABI}" != "" ]; then
bryanhundven@2181:         extra_config+=("--enable-oldest-abi=${CT_LIBC_OLDEST_ABI}")
bryanhundven@2181:     fi
bryanhundven@2181: 
yann@850:     case "$(do_libc_add_ons_list ,)" in
benoit@2573:         "") extra_config+=("--enable-add-ons=no");;
yann@1478:         *)  extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;
yann@850:     esac
yann@850: 
benoit@2489:     if [ "${CT_LIBC_EGLIBC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
benoit@2503:         extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
benoit@2503:         [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
benoit@2489:     fi
benoit@2489: 
yann@2822:     # Extract the endianness options if any
yann@2822:     # This should cover all possible endianness options
yann@2822:     # in gcc, but it is prone to bit-rot... :-(
yann@2822:     endian_extra="$( echo "${extra_flags}"      \
yann@2822:                      |${sed} -r -e '/^(.*[[:space:]])?-(E[BL]|m((big|little)(-endian)?|e?[bl]))([[:space:]].*)?$/!d;' \
yann@2822:                                 -e 's//\2/;'    \
yann@2822:                    )"
yann@2822:     case "${endian_extra}" in
yann@2822:         EB|mbig-endian|mbig|meb|mb)
yann@2822:             extra_cc_args="${extra_cc_args} ${endian_extra}"
yann@2822:             ;;
yann@2822:         EL|mlittle-endian|mlittle|mel|ml)
yann@2822:             extra_cc_args="${extra_cc_args} ${endian_extra}"
yann@2822:             ;;
yann@2822:         "") extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
yann@2822:             ;;
yann@2822:     esac
yann@850: 
yann@2289:     touch config.cache
yann@2289:     if [ "${CT_LIBC_GLIBC_FORCE_UNWIND}" = "y" ]; then
yann@2289:         echo "libc_cv_forced_unwind=yes" >>config.cache
yann@2289:         echo "libc_cv_c_cleanup=yes" >>config.cache
yann@2289:     fi
yann@2289: 
yann@2276:     # Pre-seed the configparms file with values from the config option
yann@2276:     printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms
yann@2276: 
benoit@2489:     cross_cc=$(CT_Which "${CT_TARGET}-gcc")
yann@2820:     extra_cc_args+=" ${extra_flags}"
yann@850: 
yann@2312:     case "${CT_LIBC_ENABLE_FORTIFIED_BUILD}" in
yann@2312:         y)  ;;
yann@2312:         *)  glibc_cflags+=" -U_FORTIFY_SOURCE";;
yann@2312:     esac
yann@2828:     glibc_cflags+=" ${CT_TARGET_CFLAGS} ${OPTIMIZE} ${CT_LIBC_GLIBC_EXTRA_CFLAGS}"
yann@2312: 
bryanhundven@2229:     # ./configure is mislead by our tools override wrapper for bash
bryanhundven@2229:     # so just tell it where the real bash is _on_the_target_!
bryanhundven@2229:     # Notes:
bryanhundven@2229:     # - ${ac_cv_path_BASH_SHELL} is only used to set BASH_SHELL
bryanhundven@2229:     # - ${BASH_SHELL}            is only used to set BASH
bryanhundven@2229:     # - ${BASH}                  is only used to set the shebang
bryanhundven@2229:     #                            in two scripts to run on the target
bryanhundven@2229:     # So we can safely bypass bash detection at compile time.
bryanhundven@2229:     # Should this change in a future eglibc release, we'd better
bryanhundven@2229:     # directly mangle the generated scripts _after_ they get built,
bryanhundven@2229:     # or even after they get installed... eglibc is such a sucker...
yann@2289:     echo "ac_cv_path_BASH_SHELL=/bin/bash" >>config.cache
bryanhundven@2229: 
yann@2276:     # Configure with --prefix the way we want it on the target...
yann@2276:     # There are a whole lot of settings here.  You'll probably want
yann@2467:     # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG_ARRAY
yann@2276:     # Compare these options with the ones used when installing the glibc headers above - they're different.
yann@2276:     # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
yann@2276:     # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
yann@2276:     # Set BUILD_CC, or we won't be able to build datafiles
yann@2706:     # Run explicitly through CONFIG_SHELL, or the build breaks badly (loop-of-death)
yann@2706:     # when the shell is not bash... Sigh... :-(
yann@2276: 
yann@2828:     CT_DoLog DEBUG "Using gcc for target    : '${cross_cc}'"
yann@2828:     CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
yann@2828:     CT_DoLog DEBUG "Extra config args passed: '${extra_config[*]}'"
yann@2828:     CT_DoLog DEBUG "Extra CC args passed    : '${glibc_cflags}'"
yann@2828:     CT_DoLog DEBUG "Extra flags (multilib)  : '${extra_flags}'"
yann@2828: 
yann@2353:     CT_DoExecLog CFG                                                \
yann@1041:     BUILD_CC="${CT_BUILD}-gcc"                                      \
yann@2312:     CFLAGS="${glibc_cflags}"                                        \
yann@850:     CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
yann@850:     AR=${CT_TARGET}-ar                                              \
yann@850:     RANLIB=${CT_TARGET}-ranlib                                      \
yann@2706:     "${CONFIG_SHELL}"                                               \
yann@2271:     "${src_dir}/configure"                                          \
yann@850:         --prefix=/usr                                               \
yann@1041:         --build=${CT_BUILD}                                         \
yann@850:         --host=${CT_TARGET}                                         \
yann@2289:         --cache-file="$(pwd)/config.cache"                          \
yann@2276:         --without-cvs                                               \
yann@850:         --disable-profile                                           \
yann@850:         --without-gd                                                \
yann@2276:         --with-headers="${CT_HEADERS_DIR}"                          \
yann@1478:         "${extra_config[@]}"                                        \
yann@2467:         "${CT_LIBC_GLIBC_EXTRA_CONFIG_ARRAY[@]}"
benoit@2489: 
yann@2276:     # build hacks
yann@2276:     case "${CT_ARCH},${CT_ARCH_CPU}" in
yann@2276:         powerpc,8??)
yann@2276:             # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
yann@2276:             CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
yann@2276:             extra_make_args+=( ASFLAGS="-DBROKEN_PPC_8xx_CPU15" )
yann@2271:             ;;
yann@1328:     esac
yann@1328: 
yann@2826:     if [ "${libc_headers}" = "y" ]; then
bryanhundven@2515:         CT_DoLog EXTRA "Installing C library headers"
yann@850: 
bryanhundven@2515:         # use the 'install-headers' makefile target to install the
bryanhundven@2515:         # headers
yann@2824:         CT_DoExecLog ALL make ${JOBSFLAGS}                          \
yann@2823:                          install_root=${CT_SYSROOT_DIR}${extra_dir} \
yann@2824:                          install-bootstrap-headers=yes              \
yann@2824:                          "${extra_make_args[@]}"                    \
bryanhundven@2515:                          install-headers
bryanhundven@2515: 
bryanhundven@2515:         # For glibc, a few headers need to be manually installed
bryanhundven@2515:         if [ "${CT_LIBC}" = "glibc" ]; then
bryanhundven@2515:             # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
bryanhundven@2515:             # so do them by hand.  We can tolerate an empty stubs.h for the moment.
bryanhundven@2515:             # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
bryanhundven@2515:             mkdir -p "${CT_HEADERS_DIR}/gnu"
bryanhundven@2515:             CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h"
bryanhundven@2515:             CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/include/features.h"  \
bryanhundven@2515:                                    "${CT_HEADERS_DIR}/features.h"
bryanhundven@2515: 
bryanhundven@2515:             # Building the bootstrap gcc requires either setting inhibit_libc, or
bryanhundven@2515:             # having a copy of stdio_lim.h... see
bryanhundven@2515:             # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
bryanhundven@2515:             CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
bryanhundven@2515: 
bryanhundven@2515:             # Following error building gcc-4.0.0's gcj:
bryanhundven@2515:             #  error: bits/syscall.h: No such file or directory
bryanhundven@2515:             # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
bryanhundven@2515:             # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
bryanhundven@2515:             case "${CT_ARCH}" in
bryanhundven@2515:                 arm)    ;;
bryanhundven@2515:                 *)  CT_DoExecLog ALL cp -v "misc/syscall-list.h"            \
bryanhundven@2515:                                            "${CT_HEADERS_DIR}/bits/syscall.h"
bryanhundven@2515:                     ;;
bryanhundven@2515:             esac
bryanhundven@2515:         fi
yann@2826:     fi # libc_headers == y
bryanhundven@2515: 
yann@2826:     if [ "${libc_startfiles}" = "y" ]; then
bryanhundven@2515:         if [ "${CT_THREADS}" = "nptl" ]; then
bryanhundven@2515:             CT_DoLog EXTRA "Installing C library start files"
bryanhundven@2515: 
bryanhundven@2515:             # there are a few object files needed to link shared libraries,
bryanhundven@2515:             # which we build and install by hand
yann@2823:             CT_DoExecLog ALL mkdir -p "${CT_SYSROOT_DIR}${extra_dir}/usr/lib"
bryanhundven@2515:             CT_DoExecLog ALL make ${JOBSFLAGS}  \
bryanhundven@2515:                         "${extra_make_args[@]}" \
bryanhundven@2515:                         csu/subdir_lib
yann@2824:             CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o    \
yann@2823:                                 "${CT_SYSROOT_DIR}${extra_dir}/usr/lib"
bryanhundven@2515: 
bryanhundven@2515:             # Finally, 'libgcc_s.so' requires a 'libc.so' to link against.
bryanhundven@2515:             # However, since we will never actually execute its code,
bryanhundven@2515:             # it doesn't matter what it contains.  So, treating '/dev/null'
bryanhundven@2515:             # as a C source file, we produce a dummy 'libc.so' in one step
bryanhundven@2515:             CT_DoExecLog ALL "${cross_cc}" -nostdlib        \
bryanhundven@2515:                                            -nostartfiles    \
bryanhundven@2515:                                            -shared          \
bryanhundven@2515:                                            -x c /dev/null   \
yann@2823:                                            -o "${CT_SYSROOT_DIR}${extra_dir}/usr/lib/libc.so"
bryanhundven@2515:         fi # threads == nptl
yann@2826:     fi # libc_headers == y
yann@2826: 
yann@2826:     if [ "${libc_full}" = "y" ]; then
bryanhundven@2515:         CT_DoLog EXTRA "Building C library"
yann@2824:         CT_DoExecLog ALL make ${JOBSFLAGS}              \
yann@2824:                               "${extra_make_args[@]}"   \
bryanhundven@2515:                               all
bryanhundven@2515: 
bryanhundven@2515:         CT_DoLog EXTRA "Installing C library"
yann@2824:         CT_DoExecLog ALL make ${JOBSFLAGS}                                  \
yann@2824:                               "${extra_make_args[@]}"                       \
yann@2823:                               install_root="${CT_SYSROOT_DIR}${extra_dir}"  \
bryanhundven@2515:                               install
benoit@2585: 
michael@2765:         if [ "${CT_BUILD_MANUALS}" = "y" ]; then
michael@2765:             CT_DoLog EXTRA "Building and installing the C library manual"
michael@2765:             # Omit JOBSFLAGS as GLIBC has problems building the
michael@2765:             # manuals in parallel
michael@2765:             CT_DoExecLog ALL make pdf html
michael@2765:             # EGLIBC doesn't have a install-{pdf.html} and leaves the manuals
michael@2765:             # in the source directory
michael@2765:             CT_DoExecLog ALL mkdir -p ${CT_PREFIX_DIR}/share/doc
michael@2765:             CT_DoExecLog ALL cp -av ${src_dir}/manual/*.pdf ${src_dir}/manual/libc \
michael@2765:                 ${CT_PREFIX_DIR}/share/doc
michael@2765:         fi
michael@2765: 
benoit@2585:         if [ "${CT_LIBC_LOCALES}" = "y" ]; then
benoit@2585:             do_libc_locales
benoit@2585:         fi
yann@2826:     fi # libc_full == y
yann@850: }
yann@850: 
yann@2270: # This function finishes the C library install
yann@2270: # This is a no-op
yann@850: do_libc_finish() {
yann@850:     :
yann@850: }
yann@850: 
yann@850: # Build up the addons list, separated with $1
yann@850: do_libc_add_ons_list() {
yann@850:     local sep="$1"
yann@2274:     local addons_list="$( echo "${CT_LIBC_ADDONS_LIST}"         \
yann@2274:                           |sed -r -e "s/[[:space:],]/${sep}/g;" \
yann@2274:                         )"
yann@850:     case "${CT_THREADS}" in
yann@850:         none)   ;;
yann@850:         *)      addons_list="${addons_list}${sep}${CT_THREADS}";;
yann@850:     esac
yann@850:     [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
yann@2274:     # Remove duplicate, leading and trailing separators
yann@2274:     echo "${addons_list}" |sed -r -e "s/${sep}+/${sep}/g; s/^${sep}//; s/${sep}\$//;"
yann@850: }
yann@2273: 
yann@2273: # Compute up the minimum supported Linux kernel version
yann@2273: do_libc_min_kernel_config() {
yann@2273:     local min_kernel_config
yann@2273: 
yann@2467:     case "${CT_LIBC_GLIBC_EXTRA_CONFIG_ARRAY[*]}" in
yann@2273:         *--enable-kernel*) ;;
yann@2273:         *)  if [ "${CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS}" = "y" ]; then
yann@2273:                 # We can't rely on the kernel version from the configuration,
yann@2273:                 # because it might not be available if the user uses pre-installed
yann@2273:                 # headers. On the other hand, both method will have the kernel
yann@2279:                 # version installed in "usr/include/linux/version.h" in the sysroot.
yann@2273:                 # Parse that instead of having two code-paths.
yann@2273:                 version_code_file="${CT_SYSROOT_DIR}/usr/include/linux/version.h"
yann@2273:                 if [ ! -f "${version_code_file}" -o ! -r "${version_code_file}" ]; then
yann@2273:                     CT_Abort "Linux version is unavailable in installed headers files"
yann@2273:                 fi
yann@2273:                 version_code="$( grep -E LINUX_VERSION_CODE "${version_code_file}"  \
yann@2273:                                  |cut -d ' ' -f 3                                   \
yann@2273:                                )"
yann@2273:                 version=$(((version_code>>16)&0xFF))
yann@2273:                 patchlevel=$(((version_code>>8)&0xFF))
yann@2273:                 sublevel=$((version_code&0xFF))
yann@2273:                 min_kernel_config="${version}.${patchlevel}.${sublevel}"
yann@2273:             elif [ "${CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN}" = "y" ]; then
yann@2273:                 # Trim the fourth part of the linux version, keeping only the first three numbers
yann@2276:                 min_kernel_config="$( echo "${CT_LIBC_GLIBC_MIN_KERNEL_VERSION}"            \
yann@2276:                                       |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;' \
yann@2273:                                     )"
yann@2273:             fi
yann@2273:             echo "--enable-kernel=${min_kernel_config}"
yann@2273:             ;;
yann@2273:     esac
yann@2273: }