scripts/build/companion_libs/libelf.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Apr 06 22:30:57 2011 +0200 (2011-04-06)
changeset 2381 0ca0f85a4b2a
parent 2351 3b726874fdbc
child 2624 e4a6fefcb0f5
permissions -rw-r--r--
complibs: disable building shared libs

Managing the shared version of the companion libraries
has become cumbersome.

Also, it will one day be possible to use the companion
libraries from the host distribution, and then we will
be able to easily use either shared or static libs.

As a side note, while working on the canadian-rework
series, it has become quite more complex to properly
handle shared companion libraries, as they need to be
built both for the build and gost systems. That's not
easy to handle. At all.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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# Build script for libelf
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do_libelf_get() { :; }
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do_libelf_extract() { :; }
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do_libelf() { :; }
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do_libelf_target() { :; }
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if [ "${CT_LIBELF}" = "y" -o "${CT_LIBELF_TARGET}" = "y" ]; then
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do_libelf_get() {
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    # The server hosting libelf will return an "HTTP 300 : Multiple Choices"
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    # error code if we try to download a file that does not exists there.
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    # So we have to request the file with an explicit extension.
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    CT_GetFile "libelf-${CT_LIBELF_VERSION}" .tar.gz http://www.mr511.de/software/
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}
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do_libelf_extract() {
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    CT_Extract "libelf-${CT_LIBELF_VERSION}"
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    CT_Patch "libelf" "${CT_LIBELF_VERSION}"
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}
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if [ "${CT_LIBELF}" = "y" ]; then
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do_libelf() {
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    CT_DoStep INFO "Installing libelf"
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    mkdir -p "${CT_BUILD_DIR}/build-libelf"
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    CT_Pushd "${CT_BUILD_DIR}/build-libelf"
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    CT_DoLog EXTRA "Configuring libelf"
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    CT_DoExecLog CFG                                        \
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    CC="${CT_HOST}-gcc"                                     \
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    CFLAGS="-fPIC"                                          \
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    "${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure"   \
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        --build=${CT_BUILD}                                 \
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        --host=${CT_HOST}                                   \
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        --target=${CT_TARGET}                               \
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        --prefix="${CT_COMPLIBS_DIR}"                       \
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        --enable-compat                                     \
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        --enable-elf64                                      \
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        --enable-extended-format                            \
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        --disable-shared                                    \
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        --enable-static
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    CT_DoLog EXTRA "Building libelf"
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    CT_DoExecLog ALL make
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    CT_DoLog EXTRA "Installing libelf"
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    CT_DoExecLog ALL make install
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    CT_Popd
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    CT_EndStep
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}
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fi # CT_LIBELF
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if [ "${CT_LIBELF_TARGET}" = "y" ]; then
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do_libelf_target() {
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    CT_DoStep INFO "Installing libelf for the target"
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    mkdir -p "${CT_BUILD_DIR}/build-libelf-for-target"
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    CT_Pushd "${CT_BUILD_DIR}/build-libelf-for-target"
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    CT_DoLog EXTRA "Configuring libelf"
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    CT_DoExecLog CFG                                        \
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    CC="${CT_TARGET}-gcc"                                   \
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    CFLAGS="-fPIC"                                          \
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    "${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure"   \
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        --build=${CT_BUILD}                                 \
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        --host=${CT_TARGET}                                 \
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        --target=${CT_TARGET}                               \
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        --prefix=/usr                                       \
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        --enable-compat                                     \
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        --enable-elf64                                      \
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        --enable-shared                                     \
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        --enable-extended-format                            \
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        --enable-static
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    CT_DoLog EXTRA "Building libelf"
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    CT_DoExecLog ALL make
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    CT_DoLog EXTRA "Installing libelf"
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    CT_DoExecLog ALL make instroot="${CT_SYSROOT_DIR}" install
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    CT_Popd
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    CT_EndStep
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}
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fi # CT_LIBELF_TARGET
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fi # CT_LIBELF || CT_LIBELF_TARGET