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scripts/build/companion_libs/libelf.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Mar 29 00:15:32 2010 +0200 (2010-03-29)
changeset 1864 758d5137fe87
parent 1126 1ab3d2e08c8b
child 1892 af092b4bf65c
permissions -rw-r--r--
scripts/populate: optimise search loop

Curently, populate will iterate over all ELF (shared objects|executables)
to look for missing NEEDED DSOs, adding to the list at every iterations
of the search loop.

Instead of looking again at previously handled ELF files, recursively
resolve every ELf files.

Also, in case there are a whole lot of files (more than the shell can
accept as arguments list, or creating a command line longer than the
shell can cope with), use a temporary file with the list of files
to search for missing dependencies. 
     1 # Build script for libelf

     2 

     3 do_libelf_get() { :; }

     4 do_libelf_extract() { :; }

     5 do_libelf() { :; }

     6 do_libelf_target() { :; }

     7 

     8 if [ "${CT_LIBELF}" = "y" -o "${CT_LIBELF_TARGET}" = "y" ]; then

     9 

    10 do_libelf_get() {

    11     # The server hosting libelf will return an "HTTP 300 : Multiple Choices"

    12     # error code if we try to download a file that does not exists there.

    13     # So we have to request the file with an explicit extension.

    14     CT_GetFile "libelf-${CT_LIBELF_VERSION}" .tar.gz http://www.mr511.de/software/

    15 }

    16 

    17 do_libelf_extract() {

    18     CT_Extract "libelf-${CT_LIBELF_VERSION}"

    19     CT_Patch "libelf-${CT_LIBELF_VERSION}"

    20 }

    21 

    22 if [ "${CT_LIBELF}" = "y" ]; then

    23 

    24 # Uncomment when we need it for gcc-4.5

    25 # WARNING! This function is absolutely UNTESTED yet!

    26 do_libelf() {

    27     : # Remove this line!

    28 #    CT_DoStep INFO "Installing libelf"

    29 #    mkdir -p "${CT_BUILD_DIR}/build-libelf"

    30 #    CT_Pushd "${CT_BUILD_DIR}/build-libelf"

    31 #

    32 #    CT_DoLog EXTRA "Configuring libelf"

    33 #    CC="${CT_TARGET}-gcc"                                   \

    34 #    CT_DoExecLog ALL                                        \

    35 #    "${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure"   \

    36 #        --build=${CT_BUILD}                                 \

    37 #        --host=${CT_HOST}                                   \

    38 #        --target=${CT_TARGET}                               \

    39 #        --prefix="${CT_PREFIX_DIR}"                         \

    40 #        --enable-compat                                     \

    41 #        --enable-elf64                                      \

    42 #        --enable-static                                     \

    43 #        --enable-shared                                     \

    44 #        --enable-extended-format

    45 #

    46 #    CT_DoLog EXTRA "Building libelf"

    47 #    CT_DoExecLog ALL make

    48 #

    49 #    CT_DoLog EXTRA "Installing libelf"

    50 #    CT_DoExecLog ALL make instroot="${CT_SYSROOT_DIR}" install

    51 #

    52 #    CT_Popd

    53 #    CT_EndStep

    54 }

    55 

    56 fi # CT_LIBELF

    57 

    58 if [ "${CT_LIBELF_TARGET}" = "y" ]; then

    59 

    60 do_libelf_target() {

    61     CT_DoStep INFO "Installing libelf for the target"

    62     mkdir -p "${CT_BUILD_DIR}/build-libelf"

    63     CT_Pushd "${CT_BUILD_DIR}/build-libelf"

    64 

    65     CT_DoLog EXTRA "Configuring libelf"

    66     CC="${CT_TARGET}-gcc"                                   \

    67     CT_DoExecLog ALL                                        \

    68     "${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure"   \

    69         --build=${CT_BUILD}                                 \

    70         --host=${CT_TARGET}                                 \

    71         --target=${CT_TARGET}                               \

    72         --prefix=/usr                                       \

    73         --enable-compat                                     \

    74         --enable-elf64                                      \

    75         --enable-shared                                     \

    76         --enable-extended-format                            \

    77         --enable-static

    78 

    79     CT_DoLog EXTRA "Building libelf"

    80     CT_DoExecLog ALL make

    81 

    82     CT_DoLog EXTRA "Installing libelf"

    83     CT_DoExecLog ALL make instroot="${CT_SYSROOT_DIR}" install

    84 

    85     CT_Popd

    86     CT_EndStep

    87 }

    88 

    89 fi # CT_LIBELF_TARGET

    90 

    91 fi # CT_LIBELF || CT_LIBELF_TARGET
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