scripts/build/internals.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Jul 07 22:33:49 2010 +0200 (2010-07-07)
branch1.7
changeset 2005 868d6e079240
parent 1817 c9654a027900
permissions -rw-r--r--
scripts/finish: do not try to symlink if sed expr is a no-op

If the sed expression does not transform the
tuple, do not try to create the symlink.
(transplanted from 5d6d3c28a658a65551d4eb5de414fd97b575f314)
yann@1225
     1
# This file contains crosstool-NG internal steps
yann@1225
     2
yann@1225
     3
# This step is called once all components were built, to remove
yann@1225
     4
# un-wanted files, to add tuple aliases, and to add the final
yann@1225
     5
# crosstool-NG-provided files.
yann@1225
     6
do_finish() {
yann@1401
     7
    local _t
yann@1401
     8
yann@1225
     9
    CT_DoStep INFO "Cleaning-up the toolchain's directory"
yann@1225
    10
yann@1225
    11
    if [ "${CT_BARE_METAL}" != "y" ]; then
yann@1225
    12
        CT_DoLog EXTRA "Installing the populate helper"
yann@1225
    13
        sed -r -e 's|@@CT_TARGET@@|'"${CT_TARGET}"'|g;' \
yann@1225
    14
               -e 's|@@CT_install@@|'"${install}"'|g;'  \
yann@1225
    15
               -e 's|@@CT_bash@@|'"${bash}"'|g;'        \
yann@1225
    16
               -e 's|@@CT_grep@@|'"${grep}"'|g;'        \
yann@1225
    17
               -e 's|@@CT_make@@|'"${make}"'|g;'        \
yann@1225
    18
               -e 's|@@CT_sed@@|'"${sed}"'|g;'          \
yann@1225
    19
               "${CT_LIB_DIR}/scripts/populate.in"      \
yann@1225
    20
               >"${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
yann@1225
    21
        CT_DoExecLog ALL chmod 755 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
yann@1225
    22
    fi
yann@1225
    23
yann@1225
    24
    # Create the aliases to the target tools
yann@1225
    25
    CT_DoLog EXTRA "Creating toolchain aliases"
yann@1225
    26
    CT_Pushd "${CT_PREFIX_DIR}/bin"
yann@1225
    27
    for t in "${CT_TARGET}-"*; do
yann@1225
    28
        if [ -n "${CT_TARGET_ALIAS}" ]; then
yann@1225
    29
            _t=$(echo "$t" |sed -r -e 's/^'"${CT_TARGET}"'-/'"${CT_TARGET_ALIAS}"'-/;')
yann@1225
    30
            CT_DoExecLog ALL ln -sv "${t}" "${_t}"
yann@1225
    31
        fi
yann@1225
    32
        if [ -n "${CT_TARGET_ALIAS_SED_EXPR}" ]; then
yann@1225
    33
            _t=$(echo "$t" |sed -r -e "${CT_TARGET_ALIAS_SED_EXPR}")
yann@2005
    34
            if [ "${_t}" = "${t}" ]; then
yann@2005
    35
                CT_DoLog WARN "The sed expression '${CT_TARGET_ALIAS_SED_EXPR}' has no effect on '${t}'"
yann@2005
    36
            else
yann@2005
    37
                CT_DoExecLog ALL ln -sv "${t}" "${_t}"
yann@2005
    38
            fi
yann@1225
    39
        fi
yann@1225
    40
    done
yann@1225
    41
    CT_Popd
yann@1225
    42
yann@1401
    43
    # If using the companion libraries, we need a wrapper
yann@1401
    44
    # that will set LD_LIBRARY_PATH approriately
yann@1495
    45
    if [ "${CT_WRAPPER_NEEDED}" = "y" ]; then
yann@1401
    46
        CT_DoLog EXTRA "Installing toolchain wrappers"
yann@1401
    47
        CT_Pushd "${CT_PREFIX_DIR}/bin"
yann@1402
    48
yann@1493
    49
        # Install the wrapper
yann@1493
    50
        case "${CT_TOOLS_WRAPPER}" in
yann@1493
    51
            script)
yann@1493
    52
                CT_DoExecLog DEBUG install                              \
yann@1493
    53
                                   -m 0755                              \
yann@1493
    54
                                   "${CT_LIB_DIR}/scripts/wrapper.in"   \
yann@1493
    55
                                   ".${CT_TARGET}-wrapper"
yann@1493
    56
                ;;
yann@1493
    57
            exec)
yann@1493
    58
                _t="-s"
yann@1493
    59
                if [ "${CT_DEBUG_CT}" = "y" ]; then
yann@1493
    60
                  _t="" # If debugging crosstool-NG, don't strip the wrapper
yann@1493
    61
                fi
yann@1518
    62
                CT_DoExecLog DEBUG "${CT_HOST}-gcc"                           \
yann@1518
    63
                                   -Wall -Wextra -Wunreachable-code -Werror   \
yann@1518
    64
                                   -O3 -static ${_t}                          \
yann@1518
    65
                                   "${CT_LIB_DIR}/scripts/wrapper.c"          \
yann@1518
    66
                                   -o ".${CT_TARGET}-wrapper"
yann@1493
    67
                ;;
yann@1493
    68
        esac
yann@1402
    69
yann@1402
    70
        # Replace every tools with the wrapper
yann@1402
    71
        # Do it unconditionally, even for those tools that happen to be shell
yann@1402
    72
        # scripts, we don't know if they would in the end spawn a binary...
yann@1402
    73
        # Just skip symlinks
Yann@1408
    74
        for _t in "${CT_TARGET}-"*; do
Yann@1408
    75
            if [ "$( LANG=C stat -c '%F' "${_t}" )" != "symbolic link" ]; then
yann@1413
    76
                CT_DoExecLog ALL mv "${_t}" ".${_t}"
Yann@1408
    77
                CT_DoExecLog ALL ln ".${CT_TARGET}-wrapper" "${_t}"
yann@1402
    78
            fi
yann@1401
    79
        done
yann@1402
    80
yann@1402
    81
        # Get rid of the wrapper, we're using hardlinks
yann@1402
    82
        CT_DoExecLog DEBUG rm -f ".${CT_TARGET}-wrapper"
yann@1401
    83
        CT_Popd
yann@1401
    84
    fi
yann@1401
    85
yann@1518
    86
    CT_DoLog EXTRA "Removing access to the build system tools"
yann@1518
    87
    CT_DoExecLog DEBUG rm -rf "${CT_PREFIX_DIR}/buildtools"
yann@1518
    88
yann@1225
    89
    # Remove the generated documentation files
yann@1225
    90
    if [ "${CT_REMOVE_DOCS}" = "y" ]; then
yann@1225
    91
        CT_DoLog EXTRA "Removing installed documentation"
yann@1225
    92
        CT_DoForceRmdir "${CT_PREFIX_DIR}/"{,usr/}{man,info}
yann@1225
    93
        CT_DoForceRmdir "${CT_SYSROOT_DIR}/"{,usr/}{man,info}
yann@1225
    94
        CT_DoForceRmdir "${CT_DEBUGROOT_DIR}/"{,usr/}{man,info}
yann@1225
    95
    fi
yann@1225
    96
yann@1817
    97
    # Remove headers installed by native companion libraries
yann@1817
    98
    CT_DoForceRmdir "${CT_PREFIX_DIR}/include"
yann@1817
    99
yann@1225
   100
    CT_EndStep
yann@1225
   101
}