crosstool-ng: scripts/build/libc/glibc.sh@8c5881324a79

     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

     9     # Ah! Not all GNU folks seem stupid. All glibc releases are in the same

    10     # directory. Good. Alas, there is no snapshot there. I'll deal with them

    11     # later on... :-/

    12     # Update: sadly, glibc folks do be stupid: they no longer build

    13     # release tarballs as of glibc-2.8, hence forcing us to fetch

    14     # from CVS (CVS! Don't those guys know the world of SCM has

    15     # evolved since the dawn ages of CVS?) Sigh...

    16     if [ "${CT_LIBC_GLIBC_2_8_or_later}" = "y" ]; then

    17         # No release tarball available...

    18         date="${CT_LIBC_GLIBC_CVS_date}"

    19         CT_GetCVS "glibc-${CT_LIBC_VERSION}"                            \

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

    21                   "libc"                                                \

    22                   "glibc-${CT_LIBC_VERSION}-branch${date:+:}${date}"    \

    23                   "glibc-${CT_LIBC_VERSION}"

    25         # C library addons

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

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

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

    29             CT_GetCVS "glibc-${addon}-${CT_LIBC_VERSION}"                   \

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

    31                       "${addon}"                                            \

    32                       "glibc-${CT_LIBC_VERSION}-branch${date:+:}${date}"    \

    33                       "glibc-${addon}-${CT_LIBC_VERSION}"

    34         done

    35     else

    36         # Release tarballs are available

    37         CT_GetFile "glibc-${CT_LIBC_VERSION}"               \

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

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

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

    42         # C library addons

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

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

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

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

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

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

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

    50         done

    51     fi

    53     return 0

    54 }

    56 # Extract glibc

    57 do_libc_extract() {

    58     CT_ExtractAndPatch "glibc-${CT_LIBC_VERSION}"

    60     # C library addons

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

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

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

    64         CT_Pushd "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}"

    65         CT_ExtractAndPatch "glibc-${addon}-${CT_LIBC_VERSION}" nochdir

    66         [ ! -d "${addon}" ] && ln -s "glibc-${addon}-${CT_LIBC_VERSION}" "${addon}"

    67         CT_Popd

    68     done

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

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

    72     # up to date.

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

    75     return 0

    76 }

    78 # There is nothing to do for glibc check config

    79 do_libc_check_config() {

    80     :

    81 }

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

    84 do_libc_headers() {

    85     CT_DoStep INFO "Installing C library headers"

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

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

    90     CT_DoLog EXTRA "Configuring C library"

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

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

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

    95     # 3. build with gcc 3.2 or later

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

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

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

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

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

   101     # Note: the warning

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

   103     # *** add-on?"

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

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

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

   108     addons_list="$(do_libc_add_ons_list ,)"

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

   110     addons_list="${addons_list//nptl/}"

   111     addons_list="${addons_list//linuxthreads/}"

   112     # Remove duplicate, leading and trailing separators

   113     addons_config="--enable-add-ons=$(echo "${addons_list}" |sed -r -e 's/,+/,/; s/^,//; s/,$//g;')"

   115     extra_config="${addons_config} $(do_libc_min_kernel_config)"

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

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

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

   121     libc_cv_ppc_machine=yes                             \

   122     CC=${cross_cc}                                      \

   123     CT_DoExecLog ALL                                    \

   124     "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure"  \

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

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

   127         --prefix=/usr                                   \

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

   129         --without-cvs                                   \

   130         --disable-sanity-checks                         \

   131         --enable-hacker-mode                            \

   132         ${extra_config}                                 \

   133         --without-nptl

   135     CT_DoLog EXTRA "Installing C library headers"

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

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

   139         # which fails without a real cross-compiler.

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

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

   142         # satisfying its dependencies.

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

   144         # options to $(CC).

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

   146         # errlist-compat.c.

   147         # Note: BOOTSTRAP_GCC is used by:

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

   150         libc_cv_ppc_machine=yes                         \

   151         CT_DoExecLog ALL                                \

   152         make CFLAGS="-O -DBOOTSTRAP_GCC"                \

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

   154              sysdeps/gnu/errlist.c

   155         mkdir -p stdio-common

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

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

   159         # need generating

   160         sleep 2

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

   162     fi

   163     # Note: BOOTSTRAP_GCC (see above)

   164     libc_cv_ppc_machine=yes                         \

   165     CT_DoExecLog ALL                                \

   166     make cross-compiling=yes                        \

   167          install_root=${CT_SYSROOT_DIR}             \

   168          CFLAGS="-O -DBOOTSTRAP_GCC"                \

   169          ${LIBC_SYSROOT_ARG}                        \

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

   171          install-headers

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

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

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

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

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

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

   179                            "${CT_HEADERS_DIR}/features.h"

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

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

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

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

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

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

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

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

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

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

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

   194     pthreadtypes_h=

   195     case "${CT_THREADS}" in

   196         nptl)

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

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

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

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

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

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

   203             fi

   204             ;;

   205         linuxthreads)

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

   207             ;;

   208         *)

   209             pthread_h=

   210             pthreadtypes_h=

   211             ;;

   212     esac

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

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

   215     fi

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

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

   218     fi

   220     CT_EndStep

   221 }

   223 # Build and install start files

   224 do_libc_start_files() {

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

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

   228     CT_DoStep INFO "Installing C library start files"

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

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

   233     CT_DoLog EXTRA "Configuring C library"

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

   236     extra_config=

   237     case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   238         *-tls*) ;;

   239         *) extra_config="${extra_config} --with-tls"

   240     esac

   241     case "${CT_SHARED_LIBS}" in

   242         y) extra_config="${extra_config} --enable-shared";;

   243         *) extra_config="${extra_config} --disable-shared";;

   244     esac

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

   246         y,) extra_config="${extra_config} --with-fp";;

   247         ,y) extra_config="${extra_config} --without-fp";;

   248     esac

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

   250     extra_config="${extra_config} --with-__thread"

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

   253     extra_config="${extra_config} ${addons_config}"

   255     extra_config="${extra_config} $(do_libc_min_kernel_config)"

   257     # Add some default CC args

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

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

   260     # In case we're using a snapshot, fake a >=2.6 version.

   261     if [    "${CT_LIBC_V_LATEST}" = "y" \

   262          -o "${CT_LIBC_V_date}" = "y"   ]; then

   263         glibc_version_major=3

   264         glibc_version_minor=0

   265     fi

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

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

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

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

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

   271     else

   272         extra_cc_args="${CT_CFLAGS_FOR_HOST}"

   273     fi

   274     extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"

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

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

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

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

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

   282     # Super-H really needs to set configparms as of gcc-3.4/glibc-2.3.2

   283     # note: this is awkward, doesn't work well if you need more than one

   284     # line in configparms

   285     [ "${CT_ARCH_sh}" = "y" ] && echo "no-z-defs=yes" > configparms

   287     echo "libc_cv_forced_unwind=yes" > config.cache

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

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

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

   293     CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O "  \

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

   295     AR=${CT_TARGET}-ar                                              \

   296     RANLIB=${CT_TARGET}-ranlib                                      \

   297     CT_DoExecLog ALL                                                \

   298     "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure"              \

   299         --prefix=/usr                                               \

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

   301         --host=${CT_TARGET}                                         \

   302         --without-cvs                                               \

   303         --disable-profile                                           \

   304         --disable-debug                                             \

   305         --without-gd                                                \

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

   307         --cache-file=config.cache                                   \

   308         ${extra_config}                                             \

   309         ${CT_LIBC_GLIBC_EXTRA_CONFIG}

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

   313     #      and copy the startfiles into the appropriate libdir.

   314     CT_DoLog EXTRA "Building C library start files"

   315     CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" csu/subdir_lib

   317     CT_DoLog EXTRA "Installing C library start files"

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

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

   320     else

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

   322     fi

   324     CT_EndStep

   325 }

   327 # This function builds and install the full glibc

   328 do_libc() {

   329     CT_DoStep INFO "Installing C library"

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

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

   334     CT_DoLog EXTRA "Configuring C library"

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

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

   338     # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config

   340     extra_config=

   341     case "${CT_THREADS}" in

   342         nptl)           extra_config="${extra_config} --with-__thread --with-tls";;

   343         linuxthreads)   extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;

   344         none)           extra_config="${extra_config} --without-__thread --without-nptl"

   345                         case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   346                             *-tls*) ;;

   347                             *) extra_config="${extra_config} --without-tls";;

   348                         esac

   349                         ;;

   350     esac

   352     case "${CT_SHARED_LIBS}" in

   353         y) extra_config="${extra_config} --enable-shared";;

   354         *) extra_config="${extra_config} --disable-shared";;

   355     esac

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

   358         y,) extra_config="${extra_config} --with-fp";;

   359         ,y) extra_config="${extra_config} --without-fp";;

   360     esac

   362     case "$(do_libc_add_ons_list ,)" in

   363         "") ;;

   364         *)  extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";;

   365     esac

   367     extra_config="${extra_config} $(do_libc_min_kernel_config)"

   369     # Add some default CC args

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

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

   372     # In case we're using a snapshot, fake a >=2.6 version.

   373     if [    "${CT_LIBC_V_LATEST}" = "y" \

   374          -o "${CT_LIBC_V_date}" = "y"   ]; then

   375         glibc_version_major=3

   376         glibc_version_minor=0

   377     fi

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

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

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

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

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

   383     else

   384         extra_cc_args="${CT_CFLAGS_FOR_HOST}"

   385     fi

   386     extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"

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

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

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

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

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

   394     # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2

   395     # note: this is awkward, doesn't work well if you need more than one line in configparms

   396     echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms

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

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

   400     # work when cross-compiling.

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

   402         echo libc_cv_forced_unwind=yes

   403         echo libc_cv_c_cleanup=yes

   404     fi >config.cache

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

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

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

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

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

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

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

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

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

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

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

   418     # silly messages. GNU folks again, he?

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

   421     CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O"   \

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

   423     AR=${CT_TARGET}-ar                                              \

   424     RANLIB=${CT_TARGET}-ranlib                                      \

   425     CT_DoExecLog ALL                                                \

   426     "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure"              \

   427         --prefix=/usr                                               \

   428         --build=${CT_BUILD}                                         \

   429         --host=${CT_TARGET}                                         \

   430         --without-cvs                                               \

   431         --disable-profile                                           \

   432         --disable-debug                                             \

   433         --without-gd                                                \

   434         --disable-sanity-checks                                     \

   435         --cache-file=config.cache                                   \

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

   437         ${extra_config}                                             \

   438         ${CT_LIBC_GLIBC_EXTRA_CONFIG}

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

   441         # nptl-era glibc.

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

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

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

   445         # until full build of gcc

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

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

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

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

   450         #            responsible for this).

   451         GLIBC_INITIAL_BUILD_RULE=lib

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

   453         GLIBC_INSTALL_APPS_LATER=yes

   454     else

   455         # classic glibc.

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

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

   458         GLIBC_INITIAL_BUILD_RULE=all

   459         GLIBC_INITIAL_INSTALL_RULE=install

   460         GLIBC_INSTALL_APPS_LATER=no

   461     fi

   463     # glibc initial build hacks

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

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

   466 	powerpc,8??)

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

   468 	    GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;

   469     esac

   471     # If this fails with an error like this:

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

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

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

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

   476     # No need for PARALLELMFLAGS here, Makefile already reads this environment variable

   477     CT_DoLog EXTRA "Building C library"

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

   479                            RANLIB=${CT_TARGET}-ranlib               \

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

   481                            ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \

   482                            ${GLIBC_INITIAL_BUILD_RULE}

   484     CT_DoLog EXTRA "Installing C library"

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

   486                           ${LIBC_SYSROOT_ARG}                       \

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

   488                           ${GLIBC_INITIAL_INSTALL_RULE}

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

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

   492     #CT_DoLog EXTRA "Installing locales"

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

   495     # Fix problems in linker scripts.

   496     #

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

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

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

   500     # corresponding lib/ directories.

   501     #

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

   503     CT_DoLog EXTRA "Fixing C library linker scripts"

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

   505         for dir in lib usr/lib; do

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

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

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

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

   510             fi

   511         done

   512     done

   514     CT_EndStep

   515 }

   517 # This function finishes the glibc install

   518 do_libc_finish() {

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

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

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

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

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

   525     CT_DoStep INFO "Finishing C library"

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

   529     CT_DoLog EXTRA "Re-building C library"

   530     CT_DoExecLog ALL make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib

   532     CT_DoLog EXTRA "Installing missing C library components"

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

   534     for t in bin rootsbin sbin data others; do

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

   536                               ${LIBC_SYSROOT_ARG}                       \

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

   538                               install-${t}

   539     done

   541     CT_EndStep

   542 }

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

   545 do_libc_add_ons_list() {

   546     local sep="$1"

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

   548     case "${CT_THREADS}" in

   549         none)   ;;

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

   551     esac

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

   553     # Remove duplicate, leading and trailing separators

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

   555 }

   557 # Builds up the minimum supported Linux kernel version

   558 do_libc_min_kernel_config() {

   559     local min_kernel_config=

   560     case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   561         *enable-kernel*) ;;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   578             fi

   579             ;;

   580     esac

   581     echo "${min_kernel_config}"

   582 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Jan 04 22:17:53 2009 +0000 (2009-01-04)
changeset 1123	8c5881324a79
parent 1121	4b7ed9da5a21
child 1124	eec7a46a4c19
permissions	-rw-r--r--