yann@1: # This file adds functions to build glibc
yann@1: # Copyright 2007 Yann E. MORIN
yann@1: # Licensed under the GPL v2. See COPYING in the root of this package
yann@1: 
yann@161: do_print_filename() {
yann@161:     [ "${CT_LIBC}" = "glibc" ] || return 0
yann@164:     echo "glibc-${CT_LIBC_VERSION}"
yann@161:     for addon in `do_libc_add_ons_list " "`; do
yann@161:         # NPTL addon is not to be downloaded, in any case
yann@161:         [ "${addon}" = "nptl" ] && continue || true
yann@164:         echo "glibc-${addon}-${CT_LIBC_VERSION}"
yann@161:     done
yann@161: }
yann@161: 
yann@63: # Download glibc
yann@64: do_libc_get() {
yann@63:     # Ah! Not all GNU folks seem stupid. All glibc releases are in the same
yann@63:     # directory. Good. Alas, there is no snapshot there. I'll deal with them
yann@63:     # later on... :-/
yann@63:     CT_GetFile "${CT_LIBC_FILE}" ftp://ftp.gnu.org/gnu/glibc
yann@63: 
yann@63:     # C library addons
yann@151:     for addon in `do_libc_add_ons_list " "`; do
yann@151:         # NPTL addon is not to be downloaded, in any case
yann@151:         [ "${addon}" = "nptl" ] && continue || true
yann@63:         CT_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" ftp://ftp.gnu.org/gnu/glibc
yann@63:     done
yann@64: 
yann@64:     return 0
yann@63: }
yann@63: 
yann@63: # Extract glibc
yann@63: do_libc_extract() {
yann@63:     CT_ExtractAndPatch "${CT_LIBC_FILE}"
yann@63: 
yann@63:     # C library addons
yann@151:     for addon in `do_libc_add_ons_list " "`; do
yann@151:         # NPTL addon is not to be extracted, in any case
yann@151:         [ "${addon}" = "nptl" ] && continue || true
yann@63:         CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
yann@63:     done
yann@64: 
yann@64:     return 0
yann@63: }
yann@63: 
yann@1: # There is nothing to do for glibc check config
yann@1: do_libc_check_config() {
yann@73:     :
yann@1: }
yann@1: 
yann@1: # This function installs the glibc headers needed to build the core compiler
yann@1: do_libc_headers() {
yann@1:     # Only need to install bootstrap glibc headers for gcc-3.0 and above?  Or maybe just gcc-3.3 and above?
yann@1:     # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
yann@1:     grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0
yann@1: 
yann@1:     CT_DoStep INFO "Installing C library headers"
yann@1: 
yann@1:     mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
yann@1:     cd "${CT_BUILD_DIR}/build-libc-headers"
yann@1: 
yann@1:     CT_DoLog EXTRA "Configuring C library headers"
yann@1: 
yann@1:     # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
yann@1:     # 1. override CC to keep glibc's configure from using $TARGET-gcc. 
yann@1:     # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
yann@1:     # 3. build with gcc 3.2 or later
yann@1:     # Compare these options with the ones used when building glibc for real below - they're different.
yann@1:     # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
yann@1:     # so when configure checks to make sure gcc has access to the assembler you just built...
yann@1:     # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
yann@1:     # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
yann@1:     # Note: the warning
yann@1:     # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
yann@1:     # *** add-on?"
yann@1:     # is ok here, since all we want are the basic headers at this point.
yann@1:     # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
yann@1:     # 'a version of binutils that supports .machine "altivec" is needed'.
yann@78: 
yann@151:     addons_config="--enable-add-ons=`do_libc_add_ons_list ,`"
yann@151:     # We need to remove any threading addon when installing headers
yann@151:     addons_config="${addons_config//nptl/}"
yann@151:     addons_config="${addons_config//linuxthreads/}"
yann@151:     addons_config=`echo "${addons_config}" |sed -r -e 's/,+/,/g; s/^,+//; s/,+$//;'`
yann@151: 
yann@210:     cross_cc=`CT_Which "${CT_TARGET}-gcc"`
yann@151:     CT_DoLog DEBUG "Using gcc for target: \"${cross_cc}\""
yann@151:     CT_DoLog DEBUG "Extra config passed : \"${addons_config}\""
yann@78: 
yann@1:     libc_cv_ppc_machine=yes                     \
yann@1:     CC=${CT_CC_NATIVE}                          \
yann@1:     "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure"   \
yann@136:         --build="${CT_UNIQ_BUILD}"              \
yann@1:         --host="${CT_TARGET}"                   \
yann@1:         --prefix=/usr                           \
yann@1:         --with-headers="${CT_HEADERS_DIR}"      \
yann@63:         --without-cvs                           \
yann@63:         --disable-sanity-checks                 \
yann@1:         --enable-hacker-mode                    \
yann@151:         ${addons_config}                        \
yann@151:         --without-nptl                          2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     CT_DoLog EXTRA "Installing C library headers"
yann@1: 
yann@1:     if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then
yann@1:         # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
yann@1:         # which fails without a real cross-compiler.
yann@1:         # Fortunately, we don't need errlist-compat.c, since we just need .h
yann@1:         # files, so work around this by creating a fake errlist-compat.c and
yann@1:         # satisfying its dependencies.
yann@1:         # Another workaround might be to tell configure to not use any cross
yann@1:         # options to $(CC).
yann@1:         # The real fix would be to get install-headers to not generate
yann@1:         # errlist-compat.c.
yann@1:         # Note: BOOTSTRAP_GCC is used by:
yann@1:         # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
yann@78: 
yann@78:         libc_cv_ppc_machine=yes                                 \
yann@78:         make CFLAGS="-O -DBOOTSTRAP_GCC" sysdeps/gnu/errlist.c  2>&1 |CT_DoLog ALL
yann@1:         mkdir -p stdio-common
yann@78: 
yann@1:         # sleep for 2 seconds for benefit of filesystems with lousy time
yann@1:         # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
yann@1:         # need generating
yann@1:         sleep 2
yann@1:         touch stdio-common/errlist-compat.c
yann@1:     fi
yann@1:     # Note: BOOTSTRAP_GCC (see above)
yann@1:     libc_cv_ppc_machine=yes                                 \
yann@1:     make cross-compiling=yes install_root=${CT_SYSROOT_DIR} \
yann@78:          CFLAGS="-O -DBOOTSTRAP_GCC" ${LIBC_SYSROOT_ARG}    \
yann@78:          install-headers                                    2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
yann@1:     # so do them by hand.  We can tolerate an empty stubs.h for the moment.
yann@1:     # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
yann@1:     mkdir -p "${CT_HEADERS_DIR}/gnu"
yann@1:     touch "${CT_HEADERS_DIR}/gnu/stubs.h"
yann@1:     cp "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h" "${CT_HEADERS_DIR}/features.h"
yann@1: 
yann@1:     # Building the bootstrap gcc requires either setting inhibit_libc, or
yann@1:     # having a copy of stdio_lim.h... see
yann@1:     # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
yann@1:     cp bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
yann@1: 
yann@1:     # Following error building gcc-4.0.0's gcj:
yann@1:     #  error: bits/syscall.h: No such file or directory
yann@1:     # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
yann@1:     # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
yann@1:     [ "${CT_ARCH}" != "arm" ] && cp misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
yann@1: 
yann@136:     # Those headers are to be manually copied so gcc can build properly
yann@136:     pthread_h=
yann@136:     pthreadtypes_h=
yann@136:     case "${CT_THREADS}" in
yann@136:         nptl)
yann@136:             # NOTE: for some archs, the pathes are different, but they are not
yann@136:             # supported by ct-ng right now. See original crosstool when they are.
yann@136:             pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
yann@136:             pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
yann@282:             if [ ! -f "${pthreadtypes_h}" ]; then
yann@282:                 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_LIBC}-ports-${CT_LIBC_VERSION}/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/nptl/bits/pthreadtypes.h"
yann@282:             fi
yann@136:             ;;
yann@136:         linuxthreads)
yann@136:             pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
yann@136:             pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
yann@136:             ;;
yann@136:     esac
yann@136:     if [ -n "${pthread_h}" ]; then
yann@136:         cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h" 2>&1 |CT_DoLog ALL
yann@136:     fi
yann@136:     if [ -n "${pthreadtypes_h}" ]; then
yann@136:         cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h" 2>&1 |CT_DoLog ALL
yann@136:     fi
yann@136: 
yann@136:     CT_EndStep
yann@136: }
yann@136: 
yann@136: # Build and install start files
yann@136: do_libc_start_files() {
yann@136:     # Needed only in the NPTL case. Otherwise, return.
yann@136:     [ "${CT_THREADS}" = "nptl" ] || return 0
yann@136: 
yann@136:     CT_DoStep INFO "Installing C library start files"
yann@136: 
yann@136:     mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
yann@136:     cd "${CT_BUILD_DIR}/build-libc-startfiles"
yann@136: 
yann@136:     CT_DoLog EXTRA "Configuring C library"
yann@136: 
yann@136:     # Add some default glibc config options if not given by user.
yann@136:     extra_config=""
yann@136:     case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
yann@136:         *enable-kernel*) ;;
yann@136:         *) extra_config="${extra_config} --enable-kernel=`echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;'`"
yann@136:     esac
yann@136:     case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
yann@136:         *-tls*) ;;
yann@136:         *) extra_config="${extra_config} --with-tls"
yann@136:     esac
yann@136:     case "${CT_SHARED_LIBS}" in
yann@136:         y) extra_config="${extra_config} --enable-shared";;
yann@136:         *) extra_config="${extra_config} --disable-shared";;
yann@136:     esac
yann@136:     case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
yann@136:         *--with-fp*) ;;
yann@136:         *--without-fp*) ;;
yann@136:         *)  case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
yann@136:                 y,) extra_config="${extra_config} --with-fp";;
yann@136:                 ,y) extra_config="${extra_config} --without-fp";;
yann@136:             esac;;
yann@136:     esac
yann@136:     # Obviously, we want threads, as we come here only for NPTL
yann@136:     extra_config="${extra_config} --with-__thread"
yann@136: 
yann@151:     addons_config="--enable-add-ons=`do_libc_add_ons_list ,`"
yann@136:     extra_config="${extra_config} ${addons_config}"
yann@136: 
yann@136:     # Add some default CC args
yann@136:     extra_cc_args="${CT_CFLAGS_FOR_HOST}"
yann@136:     case "${CT_LIBC_EXTRA_CC_ARGS}" in
yann@136:         *-mbig-endian*) ;;
yann@136:         *-mlittle-endian*) ;;
yann@136:         *)  case "${CT_ARCH_BE},${CT_ARCH_LE}" in
yann@136:                 y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
yann@136:                 ,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
yann@136:             esac;;
yann@136:     esac
yann@136: 
yann@210:     cross_cc=`CT_Which "${CT_TARGET}-gcc"`
yann@151:     CT_DoLog DEBUG "Using gcc for target    : \"${cross_cc}\""
yann@151:     CT_DoLog DEBUG "Configuring with addons : \"`do_libc_add_ons_list ,`\""
yann@136:     CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
yann@151:     CT_DoLog DEBUG "Extra CC args passed    : \"${extra_cc_args}\""
yann@136: 
yann@136:     # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
yann@136:     # note: this is awkward, doesn't work well if you need more than one line in configparms
yann@136:     echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
yann@136: 
yann@136:     echo "libc_cv_forced_unwind=yes" > config.cache
yann@136:     echo "libc_cv_c_cleanup=yes" >> config.cache
yann@136: 
yann@136:     # Please see the comment for the configure step in do_libc().
yann@136: 
yann@136:     BUILD_CC=${CT_CC_NATIVE}                                        \
yann@136:     CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O"   \
yann@136:     CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
yann@136:     AR=${CT_TARGET}-ar                                              \
yann@136:     RANLIB=${CT_TARGET}-ranlib                                      \
yann@136:     "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure"                       \
yann@136:         --prefix=/usr                                               \
yann@136:         --build="${CT_UNIQ_BUILD}"                                  \
yann@136:         --host=${CT_TARGET}                                         \
yann@136:         --without-cvs                                               \
yann@136:         --disable-profile                                           \
yann@136:         --disable-debug                                             \
yann@136:         --without-gd                                                \
yann@136:         --with-headers="${CT_HEADERS_DIR}"                          \
yann@136:         --cache-file=config.cache                                   \
yann@136:         ${extra_config}                                             \
yann@136:         ${CT_LIBC_GLIBC_EXTRA_CONFIG}                               2>&1 |CT_DoLog ALL
yann@136: 
yann@136: 
yann@136:     #TODO: should check whether slibdir has been set in configparms to */lib64
yann@136:     #      and copy the startfiles into the appropriate libdir.
yann@136:     make csu/subdir_lib 2>&1 |CT_DoLog ALL
yann@136: 
yann@136:     if [ "${CT_USE_SYSROOT}" = "y" ]; then
yann@136:         cp -fp csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
yann@136:     else
yann@136:         cp -fp csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
yann@136:     fi
yann@136: 
yann@1:     CT_EndStep
yann@1: }
yann@1: 
yann@1: # This function builds and install the full glibc
yann@1: do_libc() {
yann@1:     CT_DoStep INFO "Installing C library"
yann@1: 
yann@1:     mkdir -p "${CT_BUILD_DIR}/build-libc"
yann@1:     cd "${CT_BUILD_DIR}/build-libc"
yann@1: 
yann@1:     CT_DoLog EXTRA "Configuring C library"
yann@1: 
yann@1:     # Add some default glibc config options if not given by user.
yann@136:     # We don't need to be conditional on wether the user did set different
yann@136:     # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
yann@136: 
yann@136:     extra_config="--enable-kernel=`echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;'`"
yann@136: 
yann@136:     case "${CT_THREADS}" in
yann@136:         nptl)           extra_config="${extra_config} --with-__thread --with-tls";;
yann@136:         linuxthreads)   extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
yann@136:         none)           extra_config="${extra_config} --without-__thread --without-nptl"
yann@136:                         case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
yann@136:                             *-tls*) ;;
yann@136:                             *) extra_config="${extra_config} --without-tls";;
yann@136:                         esac
yann@136:                         ;;
yann@1:     esac
yann@136: 
yann@1:     case "${CT_SHARED_LIBS}" in
yann@1:         y) extra_config="${extra_config} --enable-shared";;
yann@1:         *) extra_config="${extra_config} --disable-shared";;
yann@1:     esac
yann@136: 
yann@136:     case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
yann@136:         y,) extra_config="${extra_config} --with-fp";;
yann@136:         ,y) extra_config="${extra_config} --without-fp";;
yann@1:     esac
yann@78: 
yann@151:     case "`do_libc_add_ons_list ,`" in
yann@151:         "") ;;
yann@151:         *)  extra_config="${extra_config} --enable-add-ons=`do_libc_add_ons_list ,`";;
yann@136:     esac
yann@151: 
yann@136: 
yann@136:     # Add some default CC args
yann@136:     if [ "${CT_USE_PIPES}" = "y" ]; then
yann@136:         extra_cc_args="-pipe"
yann@136:     fi
yann@136:     case "${CT_ARCH_BE},${CT_ARCH_LE}" in
yann@136:         y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
yann@136:         ,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
yann@1:     esac
yann@1: 
yann@210:     cross_cc=`CT_Which "${CT_TARGET}-gcc"`
yann@151:     CT_DoLog DEBUG "Using gcc for target    : \"${cross_cc}\""
yann@151:     CT_DoLog DEBUG "Configuring with addons : \"`do_libc_add_ons_list ,`\""
yann@78:     CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
yann@151:     CT_DoLog DEBUG "Extra CC args passed    : \"${extra_cc_args}\""
yann@1: 
yann@1:     # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
yann@1:     # note: this is awkward, doesn't work well if you need more than one line in configparms
yann@1:     echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
yann@1: 
yann@1:     # For glibc 2.3.4 and later we need to set some autoconf cache
yann@1:     # variables, because nptl/sysdeps/pthread/configure.in does not
yann@1:     # work when cross-compiling.
yann@136:     if [ "${CT_THREADS}" = "nptl" ]; then
yann@136:         echo libc_cv_forced_unwind=yes
yann@136:         echo libc_cv_c_cleanup=yes
yann@136:     fi >config.cache
yann@1: 
yann@1:     # Configure with --prefix the way we want it on the target...
yann@1:     # There are a whole lot of settings here.  You'll probably want
yann@1:     # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
yann@1:     # Compare these options with the ones used when installing the glibc headers above - they're different.
yann@1:     # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory" 
yann@1:     # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html. 
yann@1:     # Set BUILD_CC, or you won't be able to build datafiles
yann@1:     # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
yann@1: 
yann@136:     # OK. I'm fed up with those folks telling me what I should do.
yann@136:     # I don't configure nptl? Well, maybe that's purposedly because
yann@136:     # I don't want nptl! --disable-sanity-checks will shut up those
yann@136:     # silly messages. GNU folks again, he?
yann@136: 
yann@1:     BUILD_CC=${CT_CC_NATIVE}                                        \
yann@1:     CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O"   \
yann@136:     CC="${CT_TARGET}-gcc ${extra_cc_args} ${CT_LIBC_EXTRA_CC_ARGS}" \
yann@1:     AR=${CT_TARGET}-ar                                              \
yann@1:     RANLIB=${CT_TARGET}-ranlib                                      \
yann@1:     "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure"                       \
yann@1:         --prefix=/usr                                               \
yann@136:         --build=${CT_UNIQ_BUILD}                                    \
yann@136:         --host=${CT_TARGET}                                         \
yann@1:         --without-cvs                                               \
yann@1:         --disable-profile                                           \
yann@1:         --disable-debug                                             \
yann@1:         --without-gd                                                \
yann@136:         --disable-sanity-checks                                     \
yann@136:         --cache-file=config.cache                                   \
yann@78:         --with-headers="${CT_HEADERS_DIR}"                          \
yann@78:         ${extra_config}                                             \
yann@78:         ${CT_LIBC_GLIBC_EXTRA_CONFIG}                               2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then
yann@1:         # nptl-era glibc.
yann@1:         # If the install-lib-all target (which is added by our make-install-lib-all.patch)
yann@1:         # is present, it means we're building glibc-2.3.3 or later, and we can't
yann@1:         # build programs yet, as they require libeh, which won't be installed
yann@1:         # until full build of gcc
yann@1:         GLIBC_INITIAL_BUILD_RULE=lib
yann@1:         GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
yann@1:         GLIBC_INSTALL_APPS_LATER=yes
yann@1:     else
yann@1:         # classic glibc.  
yann@1:         # We can build and install everything with the bootstrap compiler.
yann@1:         GLIBC_INITIAL_BUILD_RULE=all
yann@1:         GLIBC_INITIAL_INSTALL_RULE=install
yann@1:         GLIBC_INSTALL_APPS_LATER=no
yann@1:     fi
yann@1: 
yann@1:     # If this fails with an error like this:
yann@1:     # ...  linux/autoconf.h: No such file or directory 
yann@1:     # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
yann@1:     # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
yann@1:     # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
yann@1:     # No need for PARALLELMFLAGS here, Makefile already reads this environment variable
yann@1:     CT_DoLog EXTRA "Building C library"
yann@1:     make LD=${CT_TARGET}-ld             \
yann@1:          RANLIB=${CT_TARGET}-ranlib     \
yann@78:          ${GLIBC_INITIAL_BUILD_RULE}    2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     CT_DoLog EXTRA "Installing C library"
yann@1:     make install_root="${CT_SYSROOT_DIR}"   \
yann@1:          ${LIBC_SYSROOT_ARG}                \
yann@78:          ${GLIBC_INITIAL_INSTALL_RULE}      2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     # This doesn't seem to work when building a crosscompiler,
yann@1:     # as it tries to execute localedef using the just-built ld.so!?
yann@1:     #CT_DoLog EXTRA "Installing locales"
yann@78:     #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     # Fix problems in linker scripts.
yann@1:     #
yann@1:     # 1. Remove absolute paths
yann@1:     # Any file in a list of known suspects that isn't a symlink is assumed to be a linker script.
yann@1:     # FIXME: test -h is not portable
yann@1:     # FIXME: probably need to check more files than just these three...
yann@1:     # Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks
yann@1:     #
yann@1:     # 2. Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
yann@1:     # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
yann@1:     #
yann@1:     # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
yann@1:     CT_DoLog EXTRA "Fixing C library linker scripts"
yann@1:     for file in libc.so libpthread.so libgcc_s.so; do
yann@1:         for dir in lib lib64 usr/lib usr/lib64; do
yann@1:             if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
yann@78:                 cp "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
yann@1:                 CT_DoLog DEBUG "Fixing \"${CT_SYS_ROOT_DIR}/${dir}/${file}\""
yann@1:                 sed -i -r -e 's,/usr/lib/,,g;
yann@1:                               s,/usr/lib64/,,g;
yann@1:                               s,/lib/,,g;
yann@1:                               s,/lib64/,,g;
yann@78:                               /BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
yann@1:             fi
yann@1:         done
yann@1:     done
yann@1: 
yann@1:     CT_EndStep
yann@1: }
yann@1: 
yann@1: # This function finishes the glibc install
yann@1: do_libc_finish() {
yann@1:     # Finally, build and install glibc programs, now that libeh (if any) is installed
yann@1:     # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
yann@1:     # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
yann@1:     # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
yann@1:     [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
yann@1: 
yann@1:     CT_DoStep INFO "Finishing C library"
yann@1: 
yann@1:     cd "${CT_BUILD_DIR}/build-libc"
yann@1: 
yann@1:     CT_DoLog EXTRA "Re-building C library"
yann@78:     make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib 2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     CT_DoLog EXTRA "Installing missing C library components"
yann@1:     # note: should do full install and then fix linker scripts, but this is faster
yann@1:     for t in bin rootsbin sbin data others; do
yann@1:         make install_root="${CT_SYSROOT_DIR}"   \
yann@1:              ${LIBC_SYSROOT_ARG}                \
yann@78:              install-${t}                       2>&1 |CT_DoLog ALL
yann@1:     done
yann@78: 
yann@78:     CT_EndStep
yann@1: }
yann@151: 
yann@151: # Build up the addons list, separated with $1
yann@151: do_libc_add_ons_list() {
yann@151:     local sep="$1"
yann@151:     local addons_list=`echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,`
yann@151:     case "${CT_THREADS}" in
yann@151:         none)   ;;
yann@151:         *)      addons_list="${addons_list}${sep}${CT_THREADS}";;
yann@151:     esac
yann@151:     [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
yann@151:     addons_list="${addons_list%%${sep}}"
yann@151:     echo "${addons_list##${sep}}"
yann@151: }
yann@151: