scripts/build/internals.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Feb 21 14:39:24 2011 +0100 (2011-02-21)
changeset 2311 b49767e8651b
parent 2301 a3818c3b03e0
child 2336 ade5d48d98f2
permissions -rw-r--r--
internals: don't remove lib64 symlinks in sysroot

The lib64 symlinks are needed for the linker to find the libraries.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     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     local _type
     9     local strip_args
    10     local gcc_version
    11 
    12     CT_DoStep INFO "Cleaning-up the toolchain's directory"
    13 
    14     if [ "${CT_STRIP_ALL_TOOLCHAIN_EXECUTABLES}" = "y" ]; then
    15         case "$CT_HOST" in
    16             *darwin*)
    17                 strip_args=""
    18                 ;;
    19             *)
    20                 strip_args="--strip-all -v"
    21                 ;;
    22         esac
    23         CT_DoLog INFO "Stripping all toolchain executables"
    24         CT_Pushd "${CT_PREFIX_DIR}"
    25         gcc_version=$( "./bin/${CT_TARGET}-gcc" -dumpversion )
    26         for _t in "bin/${CT_TARGET}-"*                                      \
    27                   "${CT_TARGET}/bin/"*                                      \
    28                   "libexec/gcc/${CT_TARGET}/${gcc_version}/"*               \
    29                   "libexec/gcc/${CT_TARGET}/${gcc_version}/install-tools/"* \
    30         ; do
    31             _type="$( file "${_t}" |cut -d ' ' -f 2- )"
    32             case "${_type}" in
    33                 *"script text executable")
    34                     ;;
    35                 *executable*)
    36                     CT_DoExecLog ALL ${CT_HOST}-strip ${strip_args} "${_t}"
    37                     ;;
    38             esac
    39         done
    40         CT_Popd
    41     fi
    42 
    43     if [ "${CT_BARE_METAL}" != "y" ]; then
    44         CT_DoLog EXTRA "Installing the populate helper"
    45         sed -r -e 's|@@CT_TARGET@@|'"${CT_TARGET}"'|g;' \
    46                -e 's|@@CT_install@@|'"${install}"'|g;'  \
    47                -e 's|@@CT_bash@@|'"${bash}"'|g;'        \
    48                -e 's|@@CT_grep@@|'"${grep}"'|g;'        \
    49                -e 's|@@CT_make@@|'"${make}"'|g;'        \
    50                -e 's|@@CT_sed@@|'"${sed}"'|g;'          \
    51                "${CT_LIB_DIR}/scripts/populate.in"      \
    52                >"${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
    53         CT_DoExecLog ALL chmod 755 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
    54     fi
    55 
    56     if [ "${CT_LIBC_XLDD}" = "y" ]; then
    57         CT_DoLog EXTRA "Installing a cross-ldd helper"
    58         sed -r -e 's|@@CT_VERSION@@|'"${CT_VERSION}"'|g;'   \
    59                -e 's|@@CT_TARGET@@|'"${CT_TARGET}"'|g;'     \
    60                -e 's|@@CT_BITS@@|'"${CT_ARCH_BITNESS}"'|g;' \
    61                -e 's|@@CT_install@@|'"${install}"'|g;'      \
    62                -e 's|@@CT_bash@@|'"${bash}"'|g;'            \
    63                -e 's|@@CT_grep@@|'"${grep}"'|g;'            \
    64                -e 's|@@CT_make@@|'"${make}"'|g;'            \
    65                -e 's|@@CT_sed@@|'"${sed}"'|g;'              \
    66                "${CT_LIB_DIR}/scripts/xldd.in"              \
    67                >"${CT_PREFIX_DIR}/bin/${CT_TARGET}-ldd"
    68         CT_DoExecLog ALL chmod 755 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-ldd"
    69     fi
    70 
    71     # Create the aliases to the target tools
    72     CT_DoLog EXTRA "Creating toolchain aliases"
    73     CT_Pushd "${CT_PREFIX_DIR}/bin"
    74     for t in "${CT_TARGET}-"*; do
    75         if [ -n "${CT_TARGET_ALIAS}" ]; then
    76             _t=$(echo "$t" |sed -r -e 's/^'"${CT_TARGET}"'-/'"${CT_TARGET_ALIAS}"'-/;')
    77             CT_DoExecLog ALL ln -sv "${t}" "${_t}"
    78         fi
    79         if [ -n "${CT_TARGET_ALIAS_SED_EXPR}" ]; then
    80             _t=$(echo "$t" |sed -r -e "${CT_TARGET_ALIAS_SED_EXPR}")
    81             if [ "${_t}" = "${t}" ]; then
    82                 CT_DoLog WARN "The sed expression '${CT_TARGET_ALIAS_SED_EXPR}' has no effect on '${t}'"
    83             else
    84                 CT_DoExecLog ALL ln -sv "${t}" "${_t}"
    85             fi
    86         fi
    87     done
    88     CT_Popd
    89 
    90     # If using the companion libraries, we need a wrapper
    91     # that will set LD_LIBRARY_PATH approriately
    92     if [ "${CT_WRAPPER_NEEDED}" = "y" ]; then
    93         CT_DoLog EXTRA "Installing toolchain wrappers"
    94         CT_Pushd "${CT_PREFIX_DIR}/bin"
    95 
    96         case "$CT_SYS_OS" in
    97             Darwin|FreeBSD)
    98                 # wrapper does not work (when using readlink -m)
    99                 CT_DoLog WARN "Forcing usage of binary tool wrapper"
   100                 CT_TOOLS_WRAPPER="exec"
   101                 ;;
   102         esac
   103         # Install the wrapper
   104         case "${CT_TOOLS_WRAPPER}" in
   105             script)
   106                 CT_DoExecLog DEBUG install                              \
   107                                    -m 0755                              \
   108                                    "${CT_LIB_DIR}/scripts/wrapper.in"   \
   109                                    ".${CT_TARGET}-wrapper"
   110                 ;;
   111             exec)
   112                 CT_DoExecLog DEBUG "${CT_HOST}-gcc"                           \
   113                                    -Wall -Wextra -Werror                      \
   114                                    -Os                                        \
   115                                    "${CT_LIB_DIR}/scripts/wrapper.c"          \
   116                                    -o ".${CT_TARGET}-wrapper"
   117                 if [ "${CT_DEBUG_CT}" != "y" ]; then
   118                     # If not debugging crosstool-NG, strip the wrapper
   119                     CT_DoExecLog DEBUG "${CT_HOST}-strip" ".${CT_TARGET}-wrapper"
   120                 fi
   121                 ;;
   122         esac
   123 
   124         # Replace every tools with the wrapper
   125         # Do it unconditionally, even for those tools that happen to be shell
   126         # scripts, we don't know if they would in the end spawn a binary...
   127         # Just skip symlinks
   128         for _t in "${CT_TARGET}-"*; do
   129             if [ ! -L "${_t}" ]; then
   130                 CT_DoExecLog ALL mv "${_t}" ".${_t}"
   131                 CT_DoExecLog ALL ln ".${CT_TARGET}-wrapper" "${_t}"
   132             fi
   133         done
   134 
   135         # Get rid of the wrapper, we're using hardlinks
   136         CT_DoExecLog DEBUG rm -f ".${CT_TARGET}-wrapper"
   137         CT_Popd
   138     fi
   139 
   140     CT_DoLog EXTRA "Removing access to the build system tools"
   141     CT_DoExecLog DEBUG rm -rf "${CT_PREFIX_DIR}/buildtools"
   142 
   143     # Remove the generated documentation files
   144     if [ "${CT_REMOVE_DOCS}" = "y" ]; then
   145         CT_DoLog EXTRA "Removing installed documentation"
   146         CT_DoForceRmdir "${CT_PREFIX_DIR}/"{,usr/}{,share/}{man,info}
   147         CT_DoForceRmdir "${CT_SYSROOT_DIR}/"{,usr/}{,share/}{man,info}
   148         CT_DoForceRmdir "${CT_DEBUGROOT_DIR}/"{,usr/}{,share/}{man,info}
   149     fi
   150 
   151     # Remove headers installed by native companion libraries
   152     CT_DoForceRmdir "${CT_PREFIX_DIR}/include"
   153 
   154     # Remove the lib* symlinks, now:
   155     # The symlinks are needed only during the build process.
   156     # The final gcc will still search those dirs, but will also search
   157     # the standard lib/ dirs, so we can get rid of the symlinks
   158     for d in                            \
   159         "${CT_PREFIX_DIR}"              \
   160         "${CT_PREFIX_DIR}/${CT_TARGET}" \
   161     ; do
   162         CT_DoExecLog ALL rm -f "${d}/lib32"
   163         CT_DoExecLog ALL rm -f "${d}/lib64"
   164     done
   165 
   166     # Also remove the lib/ symlink out-side of sysroot
   167     if [ "${CT_USE_SYSROOT}" = "y" ]; then
   168         CT_DoExecLog ALL rm -f "${CT_PREFIX_DIR}/${CT_TARGET}/lib"
   169     fi
   170 
   171     CT_EndStep
   172 }