crosstool-ng: scripts/build/libc/glibc.sh@ef8549b58b6f

     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 do_print_filename() {

     6     [ "${CT_LIBC}" = "glibc" ] || return 0

     7     echo "glibc-${CT_LIBC_VERSION}"

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

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

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

    11         echo "glibc-${addon}-${CT_LIBC_VERSION}"

    12     done

    13 }

    15 # Download glibc

    16 do_libc_get() {

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

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

    19     # later on... :-/

    20     CT_GetFile "${CT_LIBC_FILE}"                        \

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

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

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

    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_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" \

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

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

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

    33     done

    35     return 0

    36 }

    38 # Extract glibc

    39 do_libc_extract() {

    40     CT_ExtractAndPatch "${CT_LIBC_FILE}"

    42     # C library addons

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

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

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

    46         CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"

    47     done

    49     return 0

    50 }

    52 # There is nothing to do for glibc check config

    53 do_libc_check_config() {

    54     :

    55 }

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

    58 do_libc_headers() {

    59     # Only need to install bootstrap glibc headers for gcc-3.0 and above?  Or maybe just gcc-3.3 and above?

    60     # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.

    61     grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_FILE}/ChangeLog" 2>/dev/null || return 0

    63     CT_DoStep INFO "Installing C library headers"

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

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

    68     CT_DoLog EXTRA "Configuring C library"

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

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

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

    73     # 3. build with gcc 3.2 or later

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

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

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

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

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

    79     # Note: the warning

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

    81     # *** add-on?"

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

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

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

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

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

    88     addons_config="${addons_config//nptl/}"

    89     addons_config="${addons_config//linuxthreads/}"

    90     addons_config=$(echo "${addons_config}" |sed -r -e 's/^,+//; s/,+$//; s/,+/,/g;')

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

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

    94     CT_DoLog DEBUG "Extra config passed : '${addons_config}'"

    96     libc_cv_ppc_machine=yes                     \

    97     CC=${cross_cc}                              \

    98     CT_DoExecLog ALL                            \

    99     "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure"   \

   100         --build="${CT_UNIQ_BUILD}"              \

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

   102         --prefix=/usr                           \

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

   104         --without-cvs                           \

   105         --disable-sanity-checks                 \

   106         --enable-hacker-mode                    \

   107         ${addons_config}                        \

   108         --without-nptl

   110     CT_DoLog EXTRA "Installing C library headers"

   112     if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then

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

   114         # which fails without a real cross-compiler.

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

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

   117         # satisfying its dependencies.

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

   119         # options to $(CC).

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

   121         # errlist-compat.c.

   122         # Note: BOOTSTRAP_GCC is used by:

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

   125         libc_cv_ppc_machine=yes                         \

   126         CT_DoExecLog ALL                                \

   127         make CFLAGS="-O -DBOOTSTRAP_GCC"                \

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

   129              sysdeps/gnu/errlist.c

   130         mkdir -p stdio-common

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

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

   134         # need generating

   135         sleep 2

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

   137     fi

   138     # Note: BOOTSTRAP_GCC (see above)

   139     libc_cv_ppc_machine=yes                         \

   140     CT_DoExecLog ALL                                \

   141     make cross-compiling=yes                        \

   142          install_root=${CT_SYSROOT_DIR}             \

   143          CFLAGS="-O -DBOOTSTRAP_GCC"                \

   144          ${LIBC_SYSROOT_ARG}                        \

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

   146          install-headers

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

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

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

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

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

   153     CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h"  \

   154                            "${CT_HEADERS_DIR}/features.h"

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

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

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

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

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

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

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

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

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

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

   168     pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"

   169     pthreadtypes_h=

   170     case "${CT_THREADS}" in

   171         nptl)

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

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

   174             pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"

   175             pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"

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

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

   178             fi

   179             ;;

   180         linuxthreads)

   181             pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"

   182             ;;

   183         *)

   184             pthread_h=

   185             pthreadtypes_h=

   186             ;;

   187     esac

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

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

   190     fi

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

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

   193     fi

   195     CT_EndStep

   196 }

   198 # Build and install start files

   199 do_libc_start_files() {

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

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

   203     CT_DoStep INFO "Installing C library start files"

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

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

   208     CT_DoLog EXTRA "Configuring C library"

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

   211     extra_config=""

   212     case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   213         *enable-kernel*) ;;

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

   215     esac

   216     case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   217         *-tls*) ;;

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

   219     esac

   220     case "${CT_SHARED_LIBS}" in

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

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

   223     esac

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

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

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

   227     esac

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

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

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

   232     extra_config="${extra_config} ${addons_config}"

   234     # Add some default CC args

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

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

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

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

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

   240         glibc_version_major=3

   241         glibc_version_minor=0

   242     fi

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

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

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

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

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

   248     else

   249         extra_cc_args="${CT_CFLAGS_FOR_HOST}"

   250     fi

   251     extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"

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

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

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

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

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

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

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

   261     # line in configparms

   262     echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms

   264     echo "libc_cv_forced_unwind=yes" > config.cache

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

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

   269     BUILD_CC=${CT_CC_NATIVE}                                        \

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

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

   272     AR=${CT_TARGET}-ar                                              \

   273     RANLIB=${CT_TARGET}-ranlib                                      \

   274     CT_DoExecLog ALL                                                \

   275     "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure"                       \

   276         --prefix=/usr                                               \

   277         --build="${CT_UNIQ_BUILD}"                                  \

   278         --host=${CT_TARGET}                                         \

   279         --without-cvs                                               \

   280         --disable-profile                                           \

   281         --disable-debug                                             \

   282         --without-gd                                                \

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

   284         --cache-file=config.cache                                   \

   285         ${extra_config}                                             \

   286         ${CT_LIBC_GLIBC_EXTRA_CONFIG}

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

   290     #      and copy the startfiles into the appropriate libdir.

   291     CT_DoLog EXTRA "Building C library start files"

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

   294     CT_DoLog EXTRA "Installing C library start files"

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

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

   297     else

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

   299     fi

   301     CT_EndStep

   302 }

   304 # This function builds and install the full glibc

   305 do_libc() {

   306     CT_DoStep INFO "Installing C library"

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

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

   311     CT_DoLog EXTRA "Configuring C library"

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

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

   315     # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config

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

   319     case "${CT_THREADS}" in

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

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

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

   323                         case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in

   324                             *-tls*) ;;

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

   326                         esac

   327                         ;;

   328     esac

   330     case "${CT_SHARED_LIBS}" in

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

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

   333     esac

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

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

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

   338     esac

   340     case "$(do_libc_add_ons_list ,)" in

   341         "") ;;

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

   343     esac

   345     # Add some default CC args

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

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

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

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

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

   351         glibc_version_major=3

   352         glibc_version_minor=0

   353     fi

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

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

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

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

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

   359     else

   360         extra_cc_args="${CT_CFLAGS_FOR_HOST}"

   361     fi

   362     extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"

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

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

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

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

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

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

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

   372     echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms

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

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

   376     # work when cross-compiling.

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

   378         echo libc_cv_forced_unwind=yes

   379         echo libc_cv_c_cleanup=yes

   380     fi >config.cache

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

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

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

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

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

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

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

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

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

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

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

   394     # silly messages. GNU folks again, he?

   396     BUILD_CC=${CT_CC_NATIVE}                                        \

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

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

   399     AR=${CT_TARGET}-ar                                              \

   400     RANLIB=${CT_TARGET}-ranlib                                      \

   401     CT_DoExecLog ALL                                                \

   402     "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure"                       \

   403         --prefix=/usr                                               \

   404         --build=${CT_UNIQ_BUILD}                                    \

   405         --host=${CT_TARGET}                                         \

   406         --without-cvs                                               \

   407         --disable-profile                                           \

   408         --disable-debug                                             \

   409         --without-gd                                                \

   410         --disable-sanity-checks                                     \

   411         --cache-file=config.cache                                   \

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

   413         ${extra_config}                                             \

   414         ${CT_LIBC_GLIBC_EXTRA_CONFIG}

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

   417         # nptl-era glibc.

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

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

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

   421         # until full build of gcc

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

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

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

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

   426         #            responsible for this).

   427         GLIBC_INITIAL_BUILD_RULE=lib

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

   429         GLIBC_INSTALL_APPS_LATER=yes

   430     else

   431         # classic glibc.

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

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

   434         GLIBC_INITIAL_BUILD_RULE=all

   435         GLIBC_INITIAL_INSTALL_RULE=install

   436         GLIBC_INSTALL_APPS_LATER=no

   437     fi

   439     # If this fails with an error like this:

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

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

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

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

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

   445     CT_DoLog EXTRA "Building C library"

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

   447                            RANLIB=${CT_TARGET}-ranlib               \

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

   449                            ${GLIBC_INITIAL_BUILD_RULE}

   451     CT_DoLog EXTRA "Installing C library"

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

   453                           ${LIBC_SYSROOT_ARG}                       \

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

   455                           ${GLIBC_INITIAL_INSTALL_RULE}

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

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

   459     #CT_DoLog EXTRA "Installing locales"

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

   462     # Fix problems in linker scripts.

   463     #

   464     # 1. Remove absolute paths

   465     # Any file in a list of known suspects that isn't a symlink is assumed to be a linker script.

   466     # FIXME: test -h is not portable

   467     # FIXME: probably need to check more files than just these three...

   468     # Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks

   469     #

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

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

   472     #

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

   474     CT_DoLog EXTRA "Fixing C library linker scripts"

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

   476         for dir in lib lib64 usr/lib usr/lib64; do

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

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

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

   480                 CT_DoExecLog ALL sed -i -r -e 's,/usr/lib/,,g;

   481                                                s,/usr/lib64/,,g;

   482                                                s,/lib/,,g;

   483                                                s,/lib64/,,g;

   484                                                /BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"

   485             fi

   486         done

   487     done

   489     CT_EndStep

   490 }

   492 # This function finishes the glibc install

   493 do_libc_finish() {

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

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

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

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

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

   500     CT_DoStep INFO "Finishing C library"

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

   504     CT_DoLog EXTRA "Re-building C library"

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

   507     CT_DoLog EXTRA "Installing missing C library components"

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

   509     for t in bin rootsbin sbin data others; do

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

   511                               ${LIBC_SYSROOT_ARG}                       \

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

   513                               install-${t}

   514     done

   516     CT_EndStep

   517 }

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

   520 do_libc_add_ons_list() {

   521     local sep="$1"

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

   523     case "${CT_THREADS}" in

   524         none)   ;;

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

   526     esac

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

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

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

   530 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Sep 14 16:21:07 2008 +0000 (2008-09-14)
changeset 850	ef8549b58b6f
child 852	c17bb66e2aa5
permissions	-rw-r--r--