scripts/build/internals.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Aug 30 00:27:12 2009 +0200 (2009-08-30)
changeset 1493 0dce3a3986a1
parent 1423 7f5563e3ec2d
child 1495 2542421e3321
permissions -rw-r--r--
config: choose whether to use the shell or the C wrapper

Offer a config choice on whether to isntall the script wrapper, or
the compiled C wrapper. Update docs/overview.txt accordingly.
     1 # This file contains crosstool-NG internal steps
     2 
     3 # This step is called once all components were built, to remove
     4 # un-wanted files, to add tuple aliases, and to add the final
     5 # crosstool-NG-provided files.
     6 do_finish() {
     7     local _t
     8 
     9     CT_DoStep INFO "Cleaning-up the toolchain's directory"
    10 
    11     CT_DoLog EXTRA "Removing access to the build system tools"
    12     CT_DoExecLog DEBUG rm -rf "${CT_PREFIX_DIR}/buildtools"
    13 
    14     if [ "${CT_BARE_METAL}" != "y" ]; then
    15         CT_DoLog EXTRA "Installing the populate helper"
    16         sed -r -e 's|@@CT_TARGET@@|'"${CT_TARGET}"'|g;' \
    17                -e 's|@@CT_install@@|'"${install}"'|g;'  \
    18                -e 's|@@CT_bash@@|'"${bash}"'|g;'        \
    19                -e 's|@@CT_grep@@|'"${grep}"'|g;'        \
    20                -e 's|@@CT_make@@|'"${make}"'|g;'        \
    21                -e 's|@@CT_sed@@|'"${sed}"'|g;'          \
    22                "${CT_LIB_DIR}/scripts/populate.in"      \
    23                >"${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
    24         CT_DoExecLog ALL chmod 755 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
    25     fi
    26 
    27     # Create the aliases to the target tools
    28     CT_DoLog EXTRA "Creating toolchain aliases"
    29     CT_Pushd "${CT_PREFIX_DIR}/bin"
    30     for t in "${CT_TARGET}-"*; do
    31         if [ -n "${CT_TARGET_ALIAS}" ]; then
    32             _t=$(echo "$t" |sed -r -e 's/^'"${CT_TARGET}"'-/'"${CT_TARGET_ALIAS}"'-/;')
    33             CT_DoExecLog ALL ln -sv "${t}" "${_t}"
    34         fi
    35         if [ -n "${CT_TARGET_ALIAS_SED_EXPR}" ]; then
    36             _t=$(echo "$t" |sed -r -e "${CT_TARGET_ALIAS_SED_EXPR}")
    37             CT_DoExecLog ALL ln -sv "${t}" "${_t}"
    38         fi
    39     done
    40     CT_Popd
    41 
    42     # If using the companion libraries, we need a wrapper
    43     # that will set LD_LIBRARY_PATH approriately
    44     if [    "${CT_GMP_MPFR}" = "y"      \
    45          -o "${CT_PPL_CLOOG_MPC}" = "y" ]; then
    46         CT_DoLog EXTRA "Installing toolchain wrappers"
    47         CT_Pushd "${CT_PREFIX_DIR}/bin"
    48 
    49         # Install the wrapper
    50         case "${CT_TOOLS_WRAPPER}" in
    51             script)
    52                 CT_DoExecLog DEBUG install                              \
    53                                    -m 0755                              \
    54                                    "${CT_LIB_DIR}/scripts/wrapper.in"   \
    55                                    ".${CT_TARGET}-wrapper"
    56                 ;;
    57             exec)
    58                 _t="-s"
    59                 if [ "${CT_DEBUG_CT}" = "y" ]; then
    60                   _t="" # If debugging crosstool-NG, don't strip the wrapper
    61                 fi
    62                 CT_DoExecLog "${HOST_CC}"                               \
    63                              -Wall -Wextra -Wunreachable-code -Werror   \
    64                              -O3 -static ${_t}                          \
    65                              -o ".${CT_TARGET}-wrapper"
    66                 ;;
    67         esac
    68 
    69         # Replace every tools with the wrapper
    70         # Do it unconditionally, even for those tools that happen to be shell
    71         # scripts, we don't know if they would in the end spawn a binary...
    72         # Just skip symlinks
    73         for _t in "${CT_TARGET}-"*; do
    74             if [ "$( LANG=C stat -c '%F' "${_t}" )" != "symbolic link" ]; then
    75                 CT_DoExecLog ALL mv "${_t}" ".${_t}"
    76                 CT_DoExecLog ALL ln ".${CT_TARGET}-wrapper" "${_t}"
    77             fi
    78         done
    79 
    80         # Get rid of the wrapper, we're using hardlinks
    81         CT_DoExecLog DEBUG rm -f ".${CT_TARGET}-wrapper"
    82         CT_Popd
    83     fi
    84 
    85     # Remove the generated documentation files
    86     if [ "${CT_REMOVE_DOCS}" = "y" ]; then
    87         CT_DoLog EXTRA "Removing installed documentation"
    88         CT_DoForceRmdir "${CT_PREFIX_DIR}/"{,usr/}{man,info}
    89         CT_DoForceRmdir "${CT_SYSROOT_DIR}/"{,usr/}{man,info}
    90         CT_DoForceRmdir "${CT_DEBUGROOT_DIR}/"{,usr/}{man,info}
    91     fi
    92 
    93     CT_EndStep
    94 }