scripts/build/binutils/binutils.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Dec 28 00:11:33 2010 +0100 (2010-12-28)
changeset 2244 dc2d2342e4a9
parent 2210 c423e3d8f541
child 2245 a6d790bc17af
permissions -rw-r--r--
binutils/binutils: add option to enable gold

gold is a new, optimised, multi-threaded linker with support
for plugins.

Add support for gold starting with binutils 2.21. Although 2.20
also had gold, the configure flags have changed, and supporting
2.20 would be a mess in the code.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 # This file adds functions to build binutils
     2 # Copyright 2007 Yann E. MORIN
     3 # Licensed under the GPL v2. See COPYING in the root of this package
     4 
     5 # Download binutils
     6 do_binutils_get() {
     7     CT_GetFile "binutils-${CT_BINUTILS_VERSION}"                                        \
     8                {ftp,http}://{ftp.gnu.org/gnu,ftp.kernel.org/pub/linux/devel}/binutils   \
     9                ftp://gcc.gnu.org/pub/binutils/{releases,snapshots}
    10 }
    11 
    12 # Extract binutils
    13 do_binutils_extract() {
    14     CT_Extract "binutils-${CT_BINUTILS_VERSION}"
    15     CT_Patch "binutils" "${CT_BINUTILS_VERSION}"
    16 }
    17 
    18 # Build binutils
    19 do_binutils() {
    20     local -a extra_config
    21     local -a extra_make_flags
    22 
    23     mkdir -p "${CT_BUILD_DIR}/build-binutils"
    24     cd "${CT_BUILD_DIR}/build-binutils"
    25 
    26     CT_DoStep INFO "Installing binutils"
    27 
    28     CT_DoLog EXTRA "Configuring binutils"
    29 
    30     if [ "${CT_BINUTILS_HAS_GOLD}" = "y" ]; then
    31         case "${CT_BINUTILS_LINKERS_LIST}" in
    32             ld)
    33                 extra_config+=( --enable-ld=yes --enable-gold=no )
    34                 ;;
    35             gold)
    36                 extra_config+=( --enable-ld=no --enable-gold=yes )
    37                 ;;
    38             ld,gold)
    39                 extra_config+=( --enable-ld=default --enable-gold=yes )
    40                 ;;
    41             gold,ld)
    42                 extra_config+=( --enable-ld=yes --enable-gold=default )
    43                 ;;
    44         esac
    45     fi
    46 
    47     CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
    48 
    49     CFLAGS="${CT_CFLAGS_FOR_HOST}"                              \
    50     CT_DoExecLog CFG                                            \
    51     "${CT_SRC_DIR}/binutils-${CT_BINUTILS_VERSION}/configure"   \
    52         --build=${CT_BUILD}                                     \
    53         --host=${CT_HOST}                                       \
    54         --target=${CT_TARGET}                                   \
    55         --prefix=${CT_PREFIX_DIR}                               \
    56         --disable-nls                                           \
    57         --disable-multilib                                      \
    58         --disable-werror                                        \
    59         "${extra_config[@]}"                                    \
    60         ${CT_ARCH_WITH_FLOAT}                                   \
    61         ${CT_BINUTILS_EXTRA_CONFIG}                             \
    62         ${BINUTILS_SYSROOT_ARG}
    63 
    64     if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
    65         extra_make_flags+=("LDFLAGS=-all-static")
    66         CT_DoLog EXTRA "Prepare binutils for static build"
    67         CT_DoExecLog ALL make configure-host
    68     fi
    69 
    70     CT_DoLog EXTRA "Building binutils"
    71     CT_DoExecLog ALL make "${extra_make_flags[@]}" ${PARALLELMFLAGS}
    72 
    73     CT_DoLog EXTRA "Installing binutils"
    74     CT_DoExecLog ALL make install
    75 
    76     # Make those new tools available to the core C compilers to come.
    77     # Note: some components want the ${TARGET}-{ar,as,ld,strip} commands as
    78     # well. Create that.
    79     mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/bin"
    80     mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}/bin"
    81     mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/bin"
    82     mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}/bin"
    83     for t in ar as ld strip; do
    84         ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}" "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/bin/${t}"
    85         ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}" "${CT_CC_CORE_STATIC_PREFIX_DIR}/bin/${CT_TARGET}-${t}"
    86         ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}" "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/bin/${t}"
    87         ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}" "${CT_CC_CORE_SHARED_PREFIX_DIR}/bin/${CT_TARGET}-${t}"
    88     done 2>&1 |CT_DoLog ALL
    89 
    90     CT_EndStep
    91 }
    92 
    93 # Now on for the target libraries
    94 do_binutils_target() {
    95     local -a extra_config
    96     local -a targets
    97     local -a build_targets
    98     local -a install_targets
    99     local t
   100 
   101     [ "${CT_BINUTILS_FOR_TARGET_IBERTY}" = "y" ] && targets+=("libiberty")
   102     [ "${CT_BINUTILS_FOR_TARGET_BFD}"    = "y" ] && targets+=("bfd")
   103     for t in "${targets[@]}"; do
   104         build_targets+=("all-${t}")
   105         install_targets+=("install-${t}")
   106     done
   107 
   108     if [ "${#targets[@]}" -ne 0 ]; then
   109         CT_DoStep INFO "Installing binutils for target"
   110         mkdir -p "${CT_BUILD_DIR}/build-binutils-for-target"
   111         CT_Pushd "${CT_BUILD_DIR}/build-binutils-for-target"
   112 
   113         CT_DoLog EXTRA "Configuring binutils for target"
   114         CT_DoExecLog ALL                                            \
   115         "${CT_SRC_DIR}/binutils-${CT_BINUTILS_VERSION}/configure"   \
   116             --build=${CT_BUILD}                                     \
   117             --host=${CT_TARGET}                                     \
   118             --target=${CT_TARGET}                                   \
   119             --prefix=/usr                                           \
   120             --disable-werror                                        \
   121             --enable-shared                                         \
   122             --enable-static                                         \
   123             --disable-nls                                           \
   124             --disable-multilib                                      \
   125             "${extra_config[@]}"                                    \
   126             ${CT_ARCH_WITH_FLOAT}                                   \
   127             ${CT_BINUTILS_EXTRA_CONFIG}
   128 
   129         CT_DoLog EXTRA "Building binutils' libraries (${targets[*]}) for target"
   130         CT_DoExecLog ALL make ${PARALLELMFLAGS} "${build_targets[@]}"
   131         CT_DoLog EXTRA "Installing binutils' libraries (${targets[*]}) for target"
   132         CT_DoExecLog ALL make DESTDIR="${CT_SYSROOT_DIR}" "${install_targets[@]}"
   133 
   134         CT_Popd
   135         CT_EndStep
   136     fi
   137 }