crosstool-ng: scripts/build/libc/eglibc.sh@51e4597b07fc

     1 # eglibc build functions (initially by Thomas JOURDAN).

     3 # Download eglibc repository

     4 do_eglibc_get() {

     5     CT_HasOrAbort svn

     7     case "${CT_LIBC_VERSION}" in

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

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

    10     esac

    12     case "${CT_EGLIBC_CHECKOUT}" in

    13         y)  svn_action="checkout";;

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

    15     esac

    17     CT_DoExecLog ALL svn ${svn_action} -r "${CT_EGLIBC_REVISION:-HEAD}" "${svn_url}" . 2>&1

    19     # Compress eglibc

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

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

    23     # Compress linuxthreads, localedef and ports

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

    25     for addon in linuxthreads localedef ports; do

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

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

    28     done

    29 }

    31 # Download glibc

    32 do_libc_get() {

    33     # eglibc is only available through subversion, there are no

    34     # snapshots available. Moreover, addons will be downloaded

    35     # simultaneously.

    37     # build filename

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

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

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

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

    43     # Check if every tarballs are already present

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

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

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

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

    48        ]; then

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

    50         return 0

    51     fi

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

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

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

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

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

    58        ]; then

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

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

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

    62         done

    63         return 0

    64     fi

    66     # Not found locally, try from the network

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

    69     CT_MktempDir tmp_dir

    70     CT_Pushd "${tmp_dir}"

    72     do_eglibc_get

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

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

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

    76     done

    78     CT_Popd

    80     # Remove source files

    81     CT_DoExecLog ALL rm -rf "${tmp_dir}"

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

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

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

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

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

    88         done

    89     fi

    91     return 0

    92 }

    94 # Extract eglibc

    95 do_libc_extract() {

    96     CT_Extract "eglibc-${CT_LIBC_VERSION}"

    97     CT_Patch "eglibc" "${CT_LIBC_VERSION}"

    99     # C library addons

   100     for addon in $(do_libc_add_ons_list " "); do

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

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

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

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

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

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

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

   108         # so we have to make symlinks from the existing to the missing

   109         # Fortunately for us, [ -d foo ], when foo is a symlink to a

   110         # directory, returns true!

   111         [ -d "${addon}" ] || ln -s "eglibc-${addon}-${CT_LIBC_VERSION}" "${addon}"

   112         [ -d "eglibc-${addon}-${CT_LIBC_VERSION}" ] || ln -s "${addon}" "eglibc-${addon}-${CT_LIBC_VERSION}"

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

   114         CT_Popd

   115     done

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

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

   119     # up to date.

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

   122     return 0

   123 }

   125 # Copy user provided eglibc configuration file if provided

   126 do_libc_check_config() {

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

   128         return 0

   129     fi

   131     CT_DoStep INFO "Checking C library configuration"

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

   134         -n "${CT_EGLIBC_OPTION_GROUPS_FILE}" -a \

   135         -f "${CT_EGLIBC_OPTION_GROUPS_FILE}"

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

   139     # NSS configuration

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

   141         CT_DoLog DEBUG "Using fixed-configuration nsswitch facility"

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

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

   145         else

   146             nss_config="${CT_EGLIBC_NSS_CONFIG_FILE}"

   147         fi

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

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

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

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

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

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

   156         else

   157             nss_functions="${CT_EGLIBC_NSS_FUNCTIONS_FILE}"

   158         fi

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

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

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

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

   164     else

   165         CT_DoLog DEBUG "Using full-blown nsswitch facility"

   166     fi

   168     CT_EndStep

   169 }

   171 # This function installs the eglibc headers needed to build the core compiler

   172 do_libc_headers() {

   173     # Instead of doing two time the same actions, headers will

   174     # be installed with start files

   175     :

   176 }

   178 # Build and install start files

   179 do_libc_start_files() {

   180     CT_DoStep INFO "Installing C library headers / start files"

   182     mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"

   183     cd "${CT_BUILD_DIR}/build-libc-startfiles"

   185     CT_DoLog EXTRA "Configuring C library"

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

   188         CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config

   189     fi

   191     cross_cc=$(CT_Which "${CT_TARGET}-gcc")

   192     cross_cxx=$(CT_Which "${CT_TARGET}-g++")

   193     cross_ar=$(CT_Which "${CT_TARGET}-ar")

   194     cross_ranlib=$(CT_Which "${CT_TARGET}-ranlib")

   196     CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"

   197     CT_DoLog DEBUG "Using g++ for target: '${cross_cxx}'"

   198     CT_DoLog DEBUG "Using ar for target: '${cross_ar}'"

   199     CT_DoLog DEBUG "Using ranlib for target: '${cross_ranlib}'"

   201     BUILD_CC="${CT_BUILD}-gcc"                          \

   202     CC=${cross_cc}                                      \

   203     CXX=${cross_cxx}                                    \

   204     AR=${cross_ar}                                      \

   205     RANLIB=${cross_ranlib}                              \

   206     CT_DoExecLog ALL                                    \

   207     "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \

   208         --prefix=/usr                                   \

   209         --with-headers="${CT_HEADERS_DIR}"              \

   210         --build="${CT_BUILD}"                           \

   211         --host="${CT_TARGET}"                           \

   212         --disable-profile                               \

   213         --without-gd                                    \

   214         --without-cvs                                   \

   215         --enable-add-ons

   217     CT_DoLog EXTRA "Installing C library headers"

   219     # use the 'install-headers' makefile target to install the

   220     # headers

   222     CT_DoExecLog ALL                    \

   223     make install-headers                \

   224          install_root=${CT_SYSROOT_DIR} \

   225          install-bootstrap-headers=yes

   227     CT_DoLog EXTRA "Installing C library start files"

   229     # there are a few object files needed to link shared libraries,

   230     # which we build and install by hand

   232     CT_DoExecLog ALL mkdir -p ${CT_SYSROOT_DIR}/usr/lib

   233     CT_DoExecLog ALL make csu/subdir_lib

   234     CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \

   235         ${CT_SYSROOT_DIR}/usr/lib

   237     # Finally, 'libgcc_s.so' requires a 'libc.so' to link against.

   238     # However, since we will never actually execute its code,

   239     # it doesn't matter what it contains.  So, treating '/dev/null'

   240     # as a C source file, we produce a dummy 'libc.so' in one step

   242     CT_DoExecLog ALL ${cross_cc} -nostdlib -nostartfiles -shared -x c /dev/null -o ${CT_SYSROOT_DIR}/usr/lib/libc.so

   244     CT_EndStep

   245 }

   247 # This function builds and install the full glibc

   248 do_libc() {

   249     local -a extra_config

   251     CT_DoStep INFO "Installing C library"

   253     mkdir -p "${CT_BUILD_DIR}/build-libc"

   254     cd "${CT_BUILD_DIR}/build-libc"

   256     CT_DoLog EXTRA "Configuring C library"

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

   259         CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config

   260     fi

   262     if [ "${CT_EGLIBC_OPT_SIZE}" = "y" ]; then

   263         OPTIMIZE=-Os

   264     else

   265         OPTIMIZE=-O2

   266     fi

   268     # Add some default glibc config options if not given by user.

   269     # We don't need to be conditional on wether the user did set different

   270     # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config

   272     extra_config+=("--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')")

   274     case "${CT_THREADS}" in

   275         nptl)           extra_config+=("--with-__thread" "--with-tls");;

   276         linuxthreads)   extra_config+=("--with-__thread" "--without-tls" "--without-nptl");;

   277         none)           extra_config+=("--without-__thread" "--without-nptl")

   278                         case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   279                             *-tls*) ;;

   280                             *) extra_config+=("--without-tls");;

   281                         esac

   282                         ;;

   283     esac

   285     case "${CT_SHARED_LIBS}" in

   286         y) extra_config+=("--enable-shared");;

   287         *) extra_config+=("--disable-shared");;

   288     esac

   290     case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in

   291         y,) extra_config+=("--with-fp");;

   292         ,y) extra_config+=("--without-fp");;

   293     esac

   295     case "$(do_libc_add_ons_list ,)" in

   296         "") ;;

   297         *)  extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;

   298     esac

   300     extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"

   302     cross_cc=$(CT_Which "${CT_TARGET}-gcc")

   304     CT_DoLog DEBUG "Using gcc for target:     '${cross_cc}'"

   305     CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"

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

   307     CT_DoLog DEBUG "Extra CC args passed    : '${extra_cc_args}'"

   309     BUILD_CC="${CT_BUILD}-gcc"                                      \

   310     CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} ${OPTIMIZE}"  \

   311     CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \

   312     AR=${CT_TARGET}-ar                                              \

   313     RANLIB=${CT_TARGET}-ranlib                                      \

   314     CT_DoExecLog ALL                                                \

   315     "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure"             \

   316         --prefix=/usr                                               \

   317         --with-headers="${CT_HEADERS_DIR}"                          \

   318         --build=${CT_BUILD}                                         \

   319         --host=${CT_TARGET}                                         \

   320         --disable-profile                                           \

   321         --without-gd                                                \

   322         --without-cvs                                               \

   323         "${extra_config[@]}"                                        \

   324         ${CT_LIBC_GLIBC_EXTRA_CONFIG}

   326     CT_DoLog EXTRA "Building C library"

   328     # eglibc build hacks

   329     # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html

   330     case "${CT_ARCH},${CT_ARCH_CPU}" in

   331         powerpc,8??)

   332             CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"

   333             EGLIBC_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;

   334     esac

   336     CT_DoExecLog ALL make ASFLAGS="${EGLIBC_BUILD_ASFLAGS}"

   338     CT_DoLog EXTRA "Installing C library"

   340     CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"

   342     CT_EndStep

   343 }

   345 # This function finishes the glibc install

   346 do_libc_finish() {

   347     # Nothing to be done for eglibc

   348     :

   349 }

   351 # Build up the addons list, separated with $1

   352 do_libc_add_ons_list() {

   353     local sep="$1"

   354     local addons_list=$(echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,)

   355     case "${CT_THREADS}" in

   356         none)   ;;

   357         *)      addons_list="${addons_list}${sep}${CT_THREADS}";;

   358     esac

   359     [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"

   360     addons_list="${addons_list%%${sep}}"

   361     echo "${addons_list##${sep}}"

   362 }

author	Remy Bohmer <linux@bohmer.net>
	Thu May 27 23:18:19 2010 +0200 (2010-05-27)
changeset 2060	51e4597b07fc
parent 1796	f1dc942a12c2
child 2154	250cdcc86441
permissions	-rw-r--r--