scripts/build/internals.sh
author Titus von Boxberg <titus@v9g.de>
Sat May 22 17:30:44 2010 +0200 (2010-05-22)
changeset 1961 e0619b242cb6
parent 1955 7d3e9e91dd9a
child 1970 cdd761ad2d1a
permissions -rw-r--r--
scripts/build/internals.sh: Always use binary wrapper under BSD/MacOS

The shell wrapper script uses a nonportable call to readlink.
Thus, always use the binary wrapper under BSD/MacOS.

yann.morin.1998@anciens.enib.fr:
Use 'case' instead of 'if'.
     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     if [ "${CT_BARE_METAL}" != "y" ]; then
    12         CT_DoLog EXTRA "Installing the populate helper"
    13         sed -r -e 's|@@CT_TARGET@@|'"${CT_TARGET}"'|g;' \
    14                -e 's|@@CT_install@@|'"${install}"'|g;'  \
    15                -e 's|@@CT_bash@@|'"${bash}"'|g;'        \
    16                -e 's|@@CT_grep@@|'"${grep}"'|g;'        \
    17                -e 's|@@CT_make@@|'"${make}"'|g;'        \
    18                -e 's|@@CT_sed@@|'"${sed}"'|g;'          \
    19                "${CT_LIB_DIR}/scripts/populate.in"      \
    20                >"${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
    21         CT_DoExecLog ALL chmod 755 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
    22     fi
    23 
    24     # Create the aliases to the target tools
    25     CT_DoLog EXTRA "Creating toolchain aliases"
    26     CT_Pushd "${CT_PREFIX_DIR}/bin"
    27     for t in "${CT_TARGET}-"*; do
    28         if [ -n "${CT_TARGET_ALIAS}" ]; then
    29             _t=$(echo "$t" |sed -r -e 's/^'"${CT_TARGET}"'-/'"${CT_TARGET_ALIAS}"'-/;')
    30             CT_DoExecLog ALL ln -sv "${t}" "${_t}"
    31         fi
    32         if [ -n "${CT_TARGET_ALIAS_SED_EXPR}" ]; then
    33             _t=$(echo "$t" |sed -r -e "${CT_TARGET_ALIAS_SED_EXPR}")
    34             CT_DoExecLog ALL ln -sv "${t}" "${_t}"
    35         fi
    36     done
    37     CT_Popd
    38 
    39     # If using the companion libraries, we need a wrapper
    40     # that will set LD_LIBRARY_PATH approriately
    41     if [ "${CT_WRAPPER_NEEDED}" = "y" ]; then
    42         CT_DoLog EXTRA "Installing toolchain wrappers"
    43         CT_Pushd "${CT_PREFIX_DIR}/bin"
    44 
    45         case "$CT_SYS_OS" in
    46             Darwin|FreeBSD)
    47                 # wrapper does not work (when using readlink -m)
    48                 CT_DoLog WARN "Forcing usage of binary tool wrapper"
    49                 CT_TOOLS_WRAPPER="exec"
    50                 ;;
    51         esac
    52         # Install the wrapper
    53         case "${CT_TOOLS_WRAPPER}" in
    54             script)
    55                 CT_DoExecLog DEBUG install                              \
    56                                    -m 0755                              \
    57                                    "${CT_LIB_DIR}/scripts/wrapper.in"   \
    58                                    ".${CT_TARGET}-wrapper"
    59                 ;;
    60             exec)
    61                 _t="-s"
    62                 if [ "${CT_DEBUG_CT}" = "y" ]; then
    63                   _t="" # If debugging crosstool-NG, don't strip the wrapper
    64                 fi
    65                 CT_DoExecLog DEBUG "${CT_HOST}-gcc"                           \
    66                                    -Wall -Wextra -Wunreachable-code -Werror   \
    67                                    -O3 -static ${_t}                          \
    68                                    "${CT_LIB_DIR}/scripts/wrapper.c"          \
    69                                    -o ".${CT_TARGET}-wrapper"
    70                 ;;
    71         esac
    72 
    73         # Replace every tools with the wrapper
    74         # Do it unconditionally, even for those tools that happen to be shell
    75         # scripts, we don't know if they would in the end spawn a binary...
    76         # Just skip symlinks
    77         for _t in "${CT_TARGET}-"*; do
    78             if [ ! -L "${_t}" ]; then
    79                 CT_DoExecLog ALL mv "${_t}" ".${_t}"
    80                 CT_DoExecLog ALL ln ".${CT_TARGET}-wrapper" "${_t}"
    81             fi
    82         done
    83 
    84         # Get rid of the wrapper, we're using hardlinks
    85         CT_DoExecLog DEBUG rm -f ".${CT_TARGET}-wrapper"
    86         CT_Popd
    87     fi
    88 
    89     CT_DoLog EXTRA "Removing access to the build system tools"
    90     CT_DoExecLog DEBUG rm -rf "${CT_PREFIX_DIR}/buildtools"
    91 
    92     # Remove the generated documentation files
    93     if [ "${CT_REMOVE_DOCS}" = "y" ]; then
    94         CT_DoLog EXTRA "Removing installed documentation"
    95         CT_DoForceRmdir "${CT_PREFIX_DIR}/"{,usr/}{man,info}
    96         CT_DoForceRmdir "${CT_SYSROOT_DIR}/"{,usr/}{man,info}
    97         CT_DoForceRmdir "${CT_DEBUGROOT_DIR}/"{,usr/}{man,info}
    98     fi
    99 
   100     # Remove headers installed by native companion libraries
   101     CT_DoForceRmdir "${CT_PREFIX_DIR}/include"
   102 
   103     CT_EndStep
   104 }