scripts/build/libc/glibc.sh
changeset 2276 ac021d186cd6
parent 2275 9ab4392430ad
child 2277 71803c9f6de0
     1.1 --- a/scripts/build/libc/glibc.sh	Sat Jan 22 22:35:43 2011 +0100
     1.2 +++ b/scripts/build/libc/glibc.sh	Sat Jan 22 22:35:58 2011 +0100
     1.3 @@ -77,187 +77,3 @@
     1.4  do_libc_check_config() {
     1.5      :
     1.6  }
     1.7 -
     1.8 -# This function builds and install the full glibc
     1.9 -do_libc() {
    1.10 -    local -a extra_config
    1.11 -
    1.12 -    CT_DoStep INFO "Installing C library"
    1.13 -
    1.14 -    mkdir -p "${CT_BUILD_DIR}/build-libc"
    1.15 -    cd "${CT_BUILD_DIR}/build-libc"
    1.16 -
    1.17 -    CT_DoLog EXTRA "Configuring C library"
    1.18 -
    1.19 -    # Add some default glibc config options if not given by user.
    1.20 -    # We don't need to be conditional on wether the user did set different
    1.21 -    # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
    1.22 -
    1.23 -    case "${CT_THREADS}" in
    1.24 -        nptl)           extra_config+=("--with-__thread" "--with-tls");;
    1.25 -        linuxthreads)   extra_config+=("--with-__thread" "--without-tls" "--without-nptl");;
    1.26 -        none)           extra_config+=("--without-__thread" "--without-nptl")
    1.27 -                        case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
    1.28 -                            *-tls*) ;;
    1.29 -                            *) extra_config+=("--without-tls");;
    1.30 -                        esac
    1.31 -                        ;;
    1.32 -    esac
    1.33 -
    1.34 -    case "${CT_SHARED_LIBS}" in
    1.35 -        y) extra_config+=("--enable-shared");;
    1.36 -        *) extra_config+=("--disable-shared");;
    1.37 -    esac
    1.38 -
    1.39 -    case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
    1.40 -        y,) extra_config+=("--with-fp");;
    1.41 -        ,y) extra_config+=("--without-fp");;
    1.42 -    esac
    1.43 -
    1.44 -    if [ "${CT_LIBC_DISABLE_VERSIONING}" = "y" ]; then
    1.45 -        extra_config+=("--disable-versioning")
    1.46 -    fi
    1.47 -
    1.48 -    if [ "${CT_LIBC_OLDEST_ABI}" != "" ]; then
    1.49 -        extra_config+=("--enable-oldest-abi=${CT_LIBC_OLDEST_ABI}")
    1.50 -    fi
    1.51 -
    1.52 -    case "$(do_libc_add_ons_list ,)" in
    1.53 -        "") ;;
    1.54 -        *)  extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;
    1.55 -    esac
    1.56 -
    1.57 -    extra_config+=("$(do_libc_min_kernel_config)")
    1.58 -
    1.59 -    # Add some default CC args
    1.60 -    glibc_version="$( grep -E '\<VERSION\>' "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/version.h"  \
    1.61 -                      |cut -d '"' -f 2
    1.62 -                    )"
    1.63 -    glibc_version_major=$(echo ${glibc_version} |sed -r -e 's/^([[:digit:]]+).*/\1/')
    1.64 -    glibc_version_minor=$(echo ${glibc_version} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
    1.65 -    if [    ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6    \
    1.66 -         -o ${glibc_version_major} -gt 2                                    ]; then
    1.67 -        # Don't use -pipe: configure chokes on it for glibc >= 2.6.
    1.68 -        CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
    1.69 -        extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
    1.70 -    else
    1.71 -        extra_cc_args="${CT_CFLAGS_FOR_HOST}"
    1.72 -    fi
    1.73 -    extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
    1.74 -
    1.75 -    cross_cc=$(CT_Which "${CT_TARGET}-gcc")
    1.76 -    CT_DoLog DEBUG "Using gcc for target    : '${cross_cc}'"
    1.77 -    CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
    1.78 -    CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
    1.79 -    CT_DoLog DEBUG "Extra CC args passed    : '${extra_cc_args}'"
    1.80 -
    1.81 -    # Pre-seed the configparms file with values from the config option
    1.82 -    printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms
    1.83 -
    1.84 -    # For glibc 2.3.4 and later we need to set some autoconf cache
    1.85 -    # variables, because nptl/sysdeps/pthread/configure.in does not
    1.86 -    # work when cross-compiling.
    1.87 -    if [ "${CT_THREADS}" = "nptl" ]; then
    1.88 -        echo libc_cv_forced_unwind=yes
    1.89 -        echo libc_cv_c_cleanup=yes
    1.90 -    fi >config.cache
    1.91 -
    1.92 -    # ./configure is mislead by our tools override wrapper for bash
    1.93 -    # so just tell it where the real bash is _on_the_target_!
    1.94 -    # Notes:
    1.95 -    # - ${ac_cv_path_BASH_SHELL} is only used to set BASH_SHELL
    1.96 -    # - ${BASH_SHELL}            is only used to set BASH
    1.97 -    # - ${BASH}                  is only used to set the shebang
    1.98 -    #                            in two scripts to run on the target
    1.99 -    # So we can safely bypass bash detection at compile time.
   1.100 -    # Should this change in a future glibc release, we'd better
   1.101 -    # directly mangle the generated scripts _after_ they get built,
   1.102 -    # or even after they get installed... glibc is such a sucker...
   1.103 -    echo "ac_cv_path_BASH_SHELL=/bin/bash" >>config.cache
   1.104 -
   1.105 -    # Configure with --prefix the way we want it on the target...
   1.106 -    # There are a whole lot of settings here.  You'll probably want
   1.107 -    # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
   1.108 -    # Compare these options with the ones used when installing the glibc headers above - they're different.
   1.109 -    # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory" 
   1.110 -    # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html. 
   1.111 -    # Set BUILD_CC, or you won't be able to build datafiles
   1.112 -    # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
   1.113 -
   1.114 -    # OK. I'm fed up with those folks telling me what I should do.
   1.115 -    # I don't configure nptl? Well, maybe that's purposedly because
   1.116 -    # I don't want nptl! --disable-sanity-checks will shut up those
   1.117 -    # silly messages. GNU folks again, he?
   1.118 -
   1.119 -    BUILD_CC="${CT_BUILD}-gcc"                                      \
   1.120 -    CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O2"  \
   1.121 -    CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
   1.122 -    AR=${CT_TARGET}-ar                                              \
   1.123 -    RANLIB=${CT_TARGET}-ranlib                                      \
   1.124 -    CT_DoExecLog CFG                                                \
   1.125 -    "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure"              \
   1.126 -        --prefix=/usr                                               \
   1.127 -        --build=${CT_BUILD}                                         \
   1.128 -        --host=${CT_TARGET}                                         \
   1.129 -        --without-cvs                                               \
   1.130 -        --disable-profile                                           \
   1.131 -        --disable-debug                                             \
   1.132 -        --without-gd                                                \
   1.133 -        --disable-sanity-checks                                     \
   1.134 -        --cache-file=config.cache                                   \
   1.135 -        --with-headers="${CT_HEADERS_DIR}"                          \
   1.136 -        "${extra_config[@]}"                                        \
   1.137 -        ${CT_LIBC_GLIBC_EXTRA_CONFIG}
   1.138 -
   1.139 -    # glibc initial build hacks
   1.140 -    # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
   1.141 -    case "${CT_ARCH},${CT_ARCH_CPU}" in
   1.142 -	powerpc,8??)
   1.143 -	    CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
   1.144 -	    GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
   1.145 -    esac
   1.146 -
   1.147 -    # If this fails with an error like this:
   1.148 -    # ...  linux/autoconf.h: No such file or directory 
   1.149 -    # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
   1.150 -    # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
   1.151 -    # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
   1.152 -    CT_DoLog EXTRA "Building C library"
   1.153 -    CT_DoExecLog ALL make LD=${CT_TARGET}-ld                        \
   1.154 -                          RANLIB=${CT_TARGET}-ranlib                \
   1.155 -                          OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"   \
   1.156 -                          ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}"  \
   1.157 -                          all
   1.158 -
   1.159 -    CT_DoLog EXTRA "Installing C library"
   1.160 -    CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}"          \
   1.161 -                          ${LIBC_SYSROOT_ARG}                       \
   1.162 -                          OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"   \
   1.163 -                          install
   1.164 -
   1.165 -    # This doesn't seem to work when building a crosscompiler,
   1.166 -    # as it tries to execute localedef using the just-built ld.so!?
   1.167 -    #CT_DoLog EXTRA "Installing locales"
   1.168 -    #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
   1.169 -
   1.170 -    # Fix problems in linker scripts.
   1.171 -    #
   1.172 -    # Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
   1.173 -    # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
   1.174 -    # No need to look into the lib64/ dirs here and there, they point to the
   1.175 -    # corresponding lib/ directories.
   1.176 -    #
   1.177 -    # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
   1.178 -    CT_DoLog EXTRA "Fixing C library linker scripts"
   1.179 -    for file in libc.so libpthread.so libgcc_s.so; do
   1.180 -        for dir in lib usr/lib; do
   1.181 -            if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
   1.182 -                CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
   1.183 -                CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"
   1.184 -                CT_DoExecLog ALL sed -i -r -e '/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
   1.185 -            fi
   1.186 -        done
   1.187 -    done
   1.188 -
   1.189 -    CT_EndStep
   1.190 -}