crosstool-ng: scripts/build/libc/glibc.sh@61edd9d19e3c

     1 # This file adds functions to build glibc

     2 # Copyright 2007 Yann E. MORIN

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

     5 # Download glibc

     6 do_libc_get() {

     7     local date

     8     local version

     9     local -a addons_list

    11     addons_list=($(do_libc_add_ons_list " "))

    13     if [ "${CT_LIBC_GLIBC_TARBALL}" = "y" ]; then

    14         # Use release tarballs

    15         CT_GetFile "glibc-${CT_LIBC_VERSION}"               \

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

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

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

    20         # C library addons

    21         for addon in "${addons_list[@]}"; do

    22             # NPTL addon is not to be downloaded, in any case

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

    24             CT_GetFile "glibc-${addon}-${CT_LIBC_VERSION}"      \

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

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

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

    28         done

    29     elif [ "${CT_LIBC_GLIBC_CVS}" = "y" ]; then

    30         # Use CVS checkout

    31         version="${CT_LIBC_VERSION//./_}"

    32         date="${CT_LIBC_GLIBC_CVS_date}"

    34         CT_GetCVS "glibc-cvs-${CT_LIBC_VERSION}"                    \

    35                   ":pserver:anoncvs@sources.redhat.com:/cvs/glibc"  \

    36                   "libc"                                            \

    37                   "glibc-${version}-branch${date:+:}${date}"        \

    38                   "glibc-cvs-${CT_LIBC_VERSION}"

    40         # C library addons

    41         for addon in "${addons_list[@]}"; do

    42             # NPTL addon is not to be downloaded, in any case

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

    44             CT_GetCVS "glibc-${addon}-cvs-${CT_LIBC_VERSION}"           \

    45                       ":pserver:anoncvs@sources.redhat.com:/cvs/glibc"  \

    46                       "${addon}"                                        \

    47                       "glibc-${version}-branch${date:+:}${date}"        \

    48                       "glibc-${addon}-cvs-${CT_LIBC_VERSION}"

    49         done

    50     fi

    52     return 0

    53 }

    55 # Extract glibc

    56 do_libc_extract() {

    57     local cvs

    58     local -a addons_list

    60     addons_list=($(do_libc_add_ons_list " "))

    62     [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"

    64     CT_Extract "glibc-${cvs}${CT_LIBC_VERSION}"

    66     CT_Pushd "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}"

    67     CT_Patch "glibc-${CT_LIBC_VERSION}" nochdir

    69     # C library addons

    70     for addon in "${addons_list[@]}"; do

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

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

    73         CT_Extract "glibc-${addon}-${cvs}${CT_LIBC_VERSION}" nochdir

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

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

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

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

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

    80         # directory, returns true!

    81         [ -d "${addon}" ] || CT_DoExecLog ALL ln -s "glibc-${addon}-${cvs}${CT_LIBC_VERSION}" "${addon}"

    82         [ -d "glibc-${addon}-${cvs}${CT_LIBC_VERSION}" ] || CT_DoExecLog ALL ln -s "${addon}" "glibc-${addon}-${cvs}${CT_LIBC_VERSION}"

    83         CT_Patch "glibc-${addon}-${CT_LIBC_VERSION}" nochdir

    84     done

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

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

    88     # up to date.

    89     sleep 2

    90     find . -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL

    92     CT_Popd

    94     return 0

    95 }

    97 # There is nothing to do for glibc check config

    98 do_libc_check_config() {

    99     :

   100 }

   102 # This function installs the glibc headers needed to build the core compiler

   103 do_libc_headers() {

   104     local cvs

   105     local -a extra_config

   107     CT_DoStep INFO "Installing C library headers"

   109     [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"

   111     mkdir -p "${CT_BUILD_DIR}/build-libc-headers"

   112     cd "${CT_BUILD_DIR}/build-libc-headers"

   114     CT_DoLog EXTRA "Configuring C library"

   116     # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.

   117     # 1. override CC to keep glibc's configure from using $TARGET-gcc.

   118     # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly

   119     # 3. build with gcc 3.2 or later

   120     # Compare these options with the ones used when building glibc for real below - they're different.

   121     # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode

   122     # so when configure checks to make sure gcc has access to the assembler you just built...

   123     # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.

   124     # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)

   125     # Note: the warning

   126     # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"

   127     # *** add-on?"

   128     # is ok here, since all we want are the basic headers at this point.

   129     # Override libc_cv_ppc_machine so glibc-cvs doesn't complain

   130     # 'a version of binutils that supports .machine "altivec" is needed'.

   132     # We need to remove any threading addon when installing headers

   133     addons_list="$(do_libc_add_ons_list " "                     \

   134                    |sed -r -e 's/\<(nptl|linuxthreads)\>/ /g;'  \

   135                            -e 's/ +/,/g; s/^,+//; s/,+$//;'     \

   136                   )"

   138     extra_config+=("--enable-add-ons=${addons_list}")

   140     extra_config+=("${addons_config}")

   141     extra_config+=("$(do_libc_min_kernel_config)")

   143     # Pre-seed the configparms file with values from the config option

   144     printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms

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

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

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

   150     libc_cv_ppc_machine=yes                                     \

   151     libc_cv_mlong_double_128=yes                                \

   152     libc_cv_mlong_double_128ibm=yes                             \

   153     CC=${cross_cc}                                              \

   154     CT_DoExecLog ALL                                            \

   155     "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure"    \

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

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

   158         --prefix=/usr                                           \

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

   160         --without-cvs                                           \

   161         --disable-sanity-checks                                 \

   162         --enable-hacker-mode                                    \

   163         "${extra_config[@]}"                                    \

   164         --without-nptl

   166     CT_DoLog EXTRA "Installing C library headers"

   168     if grep -q GLIBC_2.3 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/ChangeLog"; then

   169         # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,

   170         # which fails without a real cross-compiler.

   171         # Fortunately, we don't need errlist-compat.c, since we just need .h

   172         # files, so work around this by creating a fake errlist-compat.c and

   173         # satisfying its dependencies.

   174         # Another workaround might be to tell configure to not use any cross

   175         # options to $(CC).

   176         # The real fix would be to get install-headers to not generate

   177         # errlist-compat.c.

   178         # Note: BOOTSTRAP_GCC is used by:

   179         # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch

   181         libc_cv_ppc_machine=yes                         \

   182         CT_DoExecLog ALL                                \

   183         make CFLAGS="-O2 -DBOOTSTRAP_GCC"               \

   184              OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"    \

   185              PARALLELMFLAGS="${PARALLELMFLAGS}"         \

   186              sysdeps/gnu/errlist.c

   187         mkdir -p stdio-common

   189         # sleep for 2 seconds for benefit of filesystems with lousy time

   190         # resolution, like FAT, so make knows for sure errlist-compat.c doesn't

   191         # need generating

   192         sleep 2

   193         CT_DoExecLog ALL touch stdio-common/errlist-compat.c

   194     fi

   195     # Note: BOOTSTRAP_GCC (see above)

   196     libc_cv_ppc_machine=yes                         \

   197     CT_DoExecLog ALL                                \

   198     make cross-compiling=yes                        \

   199          install_root=${CT_SYSROOT_DIR}             \

   200          CFLAGS="-O2 -DBOOTSTRAP_GCC"               \

   201          ${LIBC_SYSROOT_ARG}                        \

   202          OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"    \

   203          PARALLELMFLAGS="${PARALLELMFLAGS}"         \

   204          install-headers

   206     # Two headers -- stubs.h and features.h -- aren't installed by install-headers,

   207     # so do them by hand.  We can tolerate an empty stubs.h for the moment.

   208     # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html

   209     mkdir -p "${CT_HEADERS_DIR}/gnu"

   210     CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h"

   211     CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/include/features.h"  \

   212                            "${CT_HEADERS_DIR}/features.h"

   214     # Building the bootstrap gcc requires either setting inhibit_libc, or

   215     # having a copy of stdio_lim.h... see

   216     # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html

   217     CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"

   219     # Following error building gcc-4.0.0's gcj:

   220     #  error: bits/syscall.h: No such file or directory

   221     # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html

   222     # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html

   223     [ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true

   225     # Those headers are to be manually copied so gcc can build properly

   226     pthread_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"

   227     pthreadtypes_h=

   228     case "${CT_THREADS}" in

   229         nptl)

   230             # NOTE: for some archs, the pathes are different, but they are not

   231             # supported by crosstool-NG right now. See original crosstool when they are.

   232             pthread_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"

   233             pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"

   234             if [ ! -f "${pthreadtypes_h}" ]; then

   235                 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/ports/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/nptl/bits/pthreadtypes.h"

   236             fi

   237             ;;

   238         linuxthreads)

   239             pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"

   240             ;;

   241         *)

   242             pthread_h=

   243             pthreadtypes_h=

   244             ;;

   245     esac

   246     if [ -n "${pthread_h}" ]; then

   247         CT_DoExecLog ALL cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h"

   248     fi

   249     if [ -n "${pthreadtypes_h}" ]; then

   250         CT_DoExecLog ALL cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h"

   251     fi

   253     CT_EndStep

   254 }

   256 # Build and install start files

   257 do_libc_start_files() {

   258     local cvs

   259     local -a extra_config

   261     # Needed only in the NPTL case. Otherwise, return.

   262     [ "${CT_THREADS}" = "nptl" ] || return 0

   264     CT_DoStep INFO "Installing C library start files"

   266     [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"

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

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

   271     CT_DoLog EXTRA "Configuring C library"

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

   274     case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   275         *-tls*) ;;

   276         *) extra_config+=("--with-tls")

   277     esac

   278     case "${CT_SHARED_LIBS}" in

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

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

   281     esac

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

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

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

   285     esac

   286     # Obviously, we want threads, as we come here only for NPTL

   287     extra_config+=("--with-__thread")

   289     addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"

   290     extra_config+=("${addons_config}")

   292     extra_config+=("$(do_libc_min_kernel_config)")

   294     # Add some default CC args

   295     glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')

   296     glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')

   297     if [    ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6    \

   298          -o ${glibc_version_major} -gt 2                                    ]; then

   299         # Don't use -pipe: configure chokes on it for glibc >= 2.6.

   300         CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"

   301         extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"

   302     else

   303         extra_cc_args="${CT_CFLAGS_FOR_HOST}"

   304     fi

   305     extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"

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

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

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

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

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

   313     # Pre-seed the configparms file with values from the config option

   314     printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms

   316     echo "libc_cv_forced_unwind=yes" > config.cache

   317     echo "libc_cv_c_cleanup=yes" >> config.cache

   319     # Please see the comment for the configure step in do_libc().

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

   322     CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O2"  \

   323     CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}"      \

   324     AR=${CT_TARGET}-ar                                              \

   325     RANLIB=${CT_TARGET}-ranlib                                      \

   326     CT_DoExecLog ALL                                                \

   327     "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure"        \

   328         --prefix=/usr                                               \

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

   330         --host=${CT_TARGET}                                         \

   331         --without-cvs                                               \

   332         --disable-profile                                           \

   333         --disable-debug                                             \

   334         --without-gd                                                \

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

   336         --cache-file=config.cache                                   \

   337         "${extra_config[@]}"                                        \

   338         ${CT_LIBC_GLIBC_EXTRA_CONFIG}

   340     #TODO: should check whether slibdir has been set in configparms to */lib64

   341     #      and copy the startfiles into the appropriate libdir.

   342     CT_DoLog EXTRA "Building C library start files"

   343     CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"   \

   344                           PARALLELMFLAGS="${PARALLELMFLAGS}"        \

   345                           csu/subdir_lib

   347     CT_DoLog EXTRA "Installing C library start files"

   348     if [ "${CT_USE_SYSROOT}" = "y" ]; then

   349         CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"

   350     else

   351         CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"

   352     fi

   354     CT_EndStep

   355 }

   357 # This function builds and install the full glibc

   358 do_libc() {

   359     local cvs

   360     local -a extra_config

   362     CT_DoStep INFO "Installing C library"

   364     [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"

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

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

   369     CT_DoLog EXTRA "Configuring C library"

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

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

   373     # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config

   375     case "${CT_THREADS}" in

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

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

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

   379                         case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   380                             *-tls*) ;;

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

   382                         esac

   383                         ;;

   384     esac

   386     case "${CT_SHARED_LIBS}" in

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

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

   389     esac

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

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

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

   394     esac

   396     case "$(do_libc_add_ons_list ,)" in

   397         "") ;;

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

   399     esac

   401     extra_config+=("$(do_libc_min_kernel_config)")

   403     # Add some default CC args

   404     glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')

   405     glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')

   406     if [    ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6    \

   407          -o ${glibc_version_major} -gt 2                                    ]; then

   408         # Don't use -pipe: configure chokes on it for glibc >= 2.6.

   409         CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"

   410         extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"

   411     else

   412         extra_cc_args="${CT_CFLAGS_FOR_HOST}"

   413     fi

   414     extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"

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

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

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

   419     CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"

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

   422     # Pre-seed the configparms file with values from the config option

   423     printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms

   425     # For glibc 2.3.4 and later we need to set some autoconf cache

   426     # variables, because nptl/sysdeps/pthread/configure.in does not

   427     # work when cross-compiling.

   428     if [ "${CT_THREADS}" = "nptl" ]; then

   429         echo libc_cv_forced_unwind=yes

   430         echo libc_cv_c_cleanup=yes

   431     fi >config.cache

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

   434     # There are a whole lot of settings here.  You'll probably want

   435     # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG

   436     # Compare these options with the ones used when installing the glibc headers above - they're different.

   437     # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"

   438     # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.

   439     # Set BUILD_CC, or you won't be able to build datafiles

   440     # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs

   442     # OK. I'm fed up with those folks telling me what I should do.

   443     # I don't configure nptl? Well, maybe that's purposedly because

   444     # I don't want nptl! --disable-sanity-checks will shut up those

   445     # silly messages. GNU folks again, he?

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

   448     CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O2"  \

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

   450     AR=${CT_TARGET}-ar                                              \

   451     RANLIB=${CT_TARGET}-ranlib                                      \

   452     CT_DoExecLog ALL                                                \

   453     "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure"        \

   454         --prefix=/usr                                               \

   455         --build=${CT_BUILD}                                         \

   456         --host=${CT_TARGET}                                         \

   457         --without-cvs                                               \

   458         --disable-profile                                           \

   459         --disable-debug                                             \

   460         --without-gd                                                \

   461         --disable-sanity-checks                                     \

   462         --cache-file=config.cache                                   \

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

   464         "${extra_config[@]}"                                        \

   465         ${CT_LIBC_GLIBC_EXTRA_CONFIG}

   467     if grep -l '^install-lib-all:' "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/Makerules" > /dev/null; then

   468         # nptl-era glibc.

   469         # If the install-lib-all target (which is added by our make-install-lib-all.patch)

   470         # is present, it means we're building glibc-2.3.3 or later, and we can't

   471         # build programs yet, as they require libeh, which won't be installed

   472         # until full build of gcc

   473         # YEM-FIXME: This comment is misleading: latest glibc-s do not have the

   474         #            make-install-lib-all.patch applied, so do not pass through this

   475         #            part of the if statement; nonetheless, they do build, and

   476         #            the result is useable (maybe the dual-pass core gcc is

   477         #            responsible for this).

   478         GLIBC_INITIAL_BUILD_RULE=lib

   479         GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"

   480         GLIBC_INSTALL_APPS_LATER=yes

   481     else

   482         # classic glibc.

   483         # We can build and install everything with the bootstrap compiler.

   484         # YEM-FIXME: See the above FIXME as well.

   485         GLIBC_INITIAL_BUILD_RULE=all

   486         GLIBC_INITIAL_INSTALL_RULE=install

   487         GLIBC_INSTALL_APPS_LATER=no

   488     fi

   490     # glibc initial build hacks

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

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

   493 	powerpc,8??)

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

   495 	    GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;

   496     esac

   498     # If this fails with an error like this:

   499     # ...  linux/autoconf.h: No such file or directory

   500     # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.

   501     # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc

   502     # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx

   503     CT_DoLog EXTRA "Building C library"

   504     CT_DoExecLog ALL make LD=${CT_TARGET}-ld                        \

   505                           RANLIB=${CT_TARGET}-ranlib                \

   506                           OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"   \

   507                           ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}"  \

   508                           PARALLELMFLAGS="${PARALLELMFLAGS}"        \

   509                           ${GLIBC_INITIAL_BUILD_RULE}

   511     CT_DoLog EXTRA "Installing C library"

   512     CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}"          \

   513                           ${LIBC_SYSROOT_ARG}                       \

   514                           OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"   \

   515                           PARALLELMFLAGS="${PARALLELMFLAGS}"        \

   516                           ${GLIBC_INITIAL_INSTALL_RULE}

   518     # This doesn't seem to work when building a crosscompiler,

   519     # as it tries to execute localedef using the just-built ld.so!?

   520     #CT_DoLog EXTRA "Installing locales"

   521     #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL

   523     # Fix problems in linker scripts.

   524     #

   525     # Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,

   526     # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm

   527     # No need to look into the lib64/ dirs here and there, they point to the

   528     # corresponding lib/ directories.

   529     #

   530     # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig

   531     CT_DoLog EXTRA "Fixing C library linker scripts"

   532     for file in libc.so libpthread.so libgcc_s.so; do

   533         for dir in lib usr/lib; do

   534             if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then

   535                 CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"

   536                 CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"

   537                 CT_DoExecLog ALL sed -i -r -e '/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"

   538             fi

   539         done

   540     done

   542     CT_EndStep

   543 }

   545 # This function finishes the glibc install

   546 do_libc_finish() {

   547     # Finally, build and install glibc programs, now that libeh (if any) is installed

   548     # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with

   549     # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'

   550     # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'

   551     [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0

   553     CT_DoStep INFO "Finishing C library"

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

   557     CT_DoLog EXTRA "Re-building C library"

   558     CT_DoExecLog ALL make LD=${CT_TARGET}-ld                        \

   559                           RANLIB=${CT_TARGET}-ranlib                \

   560                           OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"   \

   561                           ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}"  \

   562                           PARALLELMFLAGS="${PARALLELMFLAGS}"

   564     CT_DoLog EXTRA "Installing missing C library components"

   565     # note: should do full install and then fix linker scripts, but this is faster

   566     for t in bin rootsbin sbin data others; do

   567         CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}"          \

   568                               ${LIBC_SYSROOT_ARG}                       \

   569                               OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"   \

   570                               PARALLELMFLAGS="${PARALLELMFLAGS}"        \

   571                               install-${t}

   572     done

   574     CT_EndStep

   575 }

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

   578 do_libc_add_ons_list() {

   579     local sep="$1"

   580     local addons_list=$(echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e "s/[ ,]/${sep}/g;")

   581     case "${CT_THREADS}" in

   582         none)   ;;

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

   584     esac

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

   586     # Remove duplicate, leading and trailing separators

   587     echo "${addons_list}" |sed -r -e "s/${sep}+/${sep}/g; s/^${sep}//; s/${sep}\$//;"

   588 }

   590 # Builds up the minimum supported Linux kernel version

   591 do_libc_min_kernel_config() {

   592     local min_kernel_config=

   593     case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   594         *enable-kernel*) ;;

   595         *)  if [ "${CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS}" = "y" ]; then

   596                 # We can't rely on the kernel version from the configuration,

   597                 # because it might not be available if the user uses pre-installed

   598                 # headers. On the other hand, both method will have the kernel

   599                 # version installed in "usr/include/linux/version.h" in the sys-root.

   600                 # Parse that instead of having two code-paths.

   601                 version_code_file="${CT_SYSROOT_DIR}/usr/include/linux/version.h"

   602                 CT_TestOrAbort "Linux version is unavailable in installed headers files" -f "${version_code_file}" -a -r "${version_code_file}"

   603                 version_code=$(grep -E LINUX_VERSION_CODE "${version_code_file}" |cut -d ' ' -f 3)

   604                 version=$(((version_code>>16)&0xFF))

   605                 patchlevel=$(((version_code>>8)&0xFF))

   606                 sublevel=$((version_code&0xFF))

   607                 min_kernel_config="--enable-kernel=${version}.${patchlevel}.${sublevel}"

   608             elif [ "${CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN}" = "y" ]; then

   609                 # Trim the fourth part of the linux version, keeping only the first three numbers

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

   611             fi

   612             ;;

   613     esac

   614     echo "${min_kernel_config}"

   615 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Wed Dec 30 15:36:22 2009 +0100 (2009-12-30)
changeset 1669	61edd9d19e3c
parent 1627	8aa1d1051a6a
child 1719	5c0d326c2cea
permissions	-rw-r--r--