mirror of
https://github.com/crosstool-ng/crosstool-ng.git
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484 lines
21 KiB
Bash
484 lines
21 KiB
Bash
# This file adds functions to build glibc
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# Copyright 2007 Yann E. MORIN
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# Licensed under the GPL v2. See COPYING in the root of this package
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do_print_filename() {
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[ "${CT_LIBC}" = "glibc" ] || return 0
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echo "glibc-${CT_LIBC_VERSION}"
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for addon in `do_libc_add_ons_list " "`; do
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# NPTL addon is not to be downloaded, in any case
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[ "${addon}" = "nptl" ] && continue || true
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echo "glibc-${addon}-${CT_LIBC_VERSION}"
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done
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}
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# Download glibc
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do_libc_get() {
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# Ah! Not all GNU folks seem stupid. All glibc releases are in the same
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# directory. Good. Alas, there is no snapshot there. I'll deal with them
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# later on... :-/
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CT_GetFile "${CT_LIBC_FILE}" ftp://ftp.gnu.org/gnu/glibc
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# C library addons
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for addon in `do_libc_add_ons_list " "`; do
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# NPTL addon is not to be downloaded, in any case
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[ "${addon}" = "nptl" ] && continue || true
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CT_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" ftp://ftp.gnu.org/gnu/glibc
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done
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return 0
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}
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# Extract glibc
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do_libc_extract() {
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CT_ExtractAndPatch "${CT_LIBC_FILE}"
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# C library addons
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for addon in `do_libc_add_ons_list " "`; do
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# NPTL addon is not to be extracted, in any case
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[ "${addon}" = "nptl" ] && continue || true
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CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
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done
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return 0
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}
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# There is nothing to do for glibc check config
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do_libc_check_config() {
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:
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}
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# This function installs the glibc headers needed to build the core compiler
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do_libc_headers() {
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# Only need to install bootstrap glibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
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# See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
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grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0
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CT_DoStep INFO "Installing C library headers"
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mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
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cd "${CT_BUILD_DIR}/build-libc-headers"
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CT_DoLog EXTRA "Configuring C library headers"
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# The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
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# 1. override CC to keep glibc's configure from using $TARGET-gcc.
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# 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
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# 3. build with gcc 3.2 or later
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# Compare these options with the ones used when building glibc for real below - they're different.
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# As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
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# so when configure checks to make sure gcc has access to the assembler you just built...
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# Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
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# Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
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# Note: the warning
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# "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
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# *** add-on?"
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# is ok here, since all we want are the basic headers at this point.
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# Override libc_cv_ppc_machine so glibc-cvs doesn't complain
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# 'a version of binutils that supports .machine "altivec" is needed'.
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addons_config="--enable-add-ons=`do_libc_add_ons_list ,`"
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# We need to remove any threading addon when installing headers
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addons_config="${addons_config//nptl/}"
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addons_config="${addons_config//linuxthreads/}"
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addons_config=`echo "${addons_config}" |sed -r -e 's/,+/,/g; s/^,+//; s/,+$//;'`
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cross_cc=`CT_Which "${CT_TARGET}-gcc"`
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CT_DoLog DEBUG "Using gcc for target: \"${cross_cc}\""
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CT_DoLog DEBUG "Extra config passed : \"${addons_config}\""
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libc_cv_ppc_machine=yes \
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CC=${CT_CC_NATIVE} \
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"${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
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--build="${CT_UNIQ_BUILD}" \
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--host="${CT_TARGET}" \
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--prefix=/usr \
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--with-headers="${CT_HEADERS_DIR}" \
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--without-cvs \
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--disable-sanity-checks \
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--enable-hacker-mode \
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${addons_config} \
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--without-nptl 2>&1 |CT_DoLog ALL
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CT_DoLog EXTRA "Installing C library headers"
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if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then
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# glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
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# which fails without a real cross-compiler.
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# Fortunately, we don't need errlist-compat.c, since we just need .h
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# files, so work around this by creating a fake errlist-compat.c and
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# satisfying its dependencies.
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# Another workaround might be to tell configure to not use any cross
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# options to $(CC).
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# The real fix would be to get install-headers to not generate
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# errlist-compat.c.
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# Note: BOOTSTRAP_GCC is used by:
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# patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
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libc_cv_ppc_machine=yes \
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make CFLAGS="-O -DBOOTSTRAP_GCC" sysdeps/gnu/errlist.c 2>&1 |CT_DoLog ALL
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mkdir -p stdio-common
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# sleep for 2 seconds for benefit of filesystems with lousy time
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# resolution, like FAT, so make knows for sure errlist-compat.c doesn't
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# need generating
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sleep 2
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touch stdio-common/errlist-compat.c
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fi
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# Note: BOOTSTRAP_GCC (see above)
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libc_cv_ppc_machine=yes \
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make cross-compiling=yes install_root=${CT_SYSROOT_DIR} \
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CFLAGS="-O -DBOOTSTRAP_GCC" ${LIBC_SYSROOT_ARG} \
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install-headers 2>&1 |CT_DoLog ALL
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# Two headers -- stubs.h and features.h -- aren't installed by install-headers,
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# so do them by hand. We can tolerate an empty stubs.h for the moment.
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# See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
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mkdir -p "${CT_HEADERS_DIR}/gnu"
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touch "${CT_HEADERS_DIR}/gnu/stubs.h"
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cp "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h" "${CT_HEADERS_DIR}/features.h"
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# Building the bootstrap gcc requires either setting inhibit_libc, or
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# having a copy of stdio_lim.h... see
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# http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
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cp bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
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# Following error building gcc-4.0.0's gcj:
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# error: bits/syscall.h: No such file or directory
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# solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
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# but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
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[ "${CT_ARCH}" != "arm" ] && cp misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
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# Those headers are to be manually copied so gcc can build properly
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pthread_h=
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pthreadtypes_h=
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case "${CT_THREADS}" in
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nptl)
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# NOTE: for some archs, the pathes are different, but they are not
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# supported by ct-ng right now. See original crosstool when they are.
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pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
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pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
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;;
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linuxthreads)
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pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
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pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
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;;
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esac
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if [ -n "${pthread_h}" ]; then
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cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h" 2>&1 |CT_DoLog ALL
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fi
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if [ -n "${pthreadtypes_h}" ]; then
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cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h" 2>&1 |CT_DoLog ALL
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fi
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CT_EndStep
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}
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# Build and install start files
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do_libc_start_files() {
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# Needed only in the NPTL case. Otherwise, return.
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[ "${CT_THREADS}" = "nptl" ] || return 0
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CT_DoStep INFO "Installing C library start files"
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mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
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cd "${CT_BUILD_DIR}/build-libc-startfiles"
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CT_DoLog EXTRA "Configuring C library"
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# Add some default glibc config options if not given by user.
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extra_config=""
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case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
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*enable-kernel*) ;;
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*) extra_config="${extra_config} --enable-kernel=`echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;'`"
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esac
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case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
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*-tls*) ;;
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*) extra_config="${extra_config} --with-tls"
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esac
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case "${CT_SHARED_LIBS}" in
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y) extra_config="${extra_config} --enable-shared";;
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*) extra_config="${extra_config} --disable-shared";;
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esac
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case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
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*--with-fp*) ;;
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*--without-fp*) ;;
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*) case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
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y,) extra_config="${extra_config} --with-fp";;
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,y) extra_config="${extra_config} --without-fp";;
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esac;;
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esac
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# Obviously, we want threads, as we come here only for NPTL
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extra_config="${extra_config} --with-__thread"
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addons_config="--enable-add-ons=`do_libc_add_ons_list ,`"
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extra_config="${extra_config} ${addons_config}"
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# Add some default CC args
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extra_cc_args="${CT_CFLAGS_FOR_HOST}"
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case "${CT_LIBC_EXTRA_CC_ARGS}" in
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*-mbig-endian*) ;;
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*-mlittle-endian*) ;;
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*) case "${CT_ARCH_BE},${CT_ARCH_LE}" in
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y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
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,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
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esac;;
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esac
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cross_cc=`CT_Which "${CT_TARGET}-gcc"`
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CT_DoLog DEBUG "Using gcc for target : \"${cross_cc}\""
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CT_DoLog DEBUG "Configuring with addons : \"`do_libc_add_ons_list ,`\""
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CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
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CT_DoLog DEBUG "Extra CC args passed : \"${extra_cc_args}\""
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# sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
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# note: this is awkward, doesn't work well if you need more than one line in configparms
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echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
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echo "libc_cv_forced_unwind=yes" > config.cache
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echo "libc_cv_c_cleanup=yes" >> config.cache
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# Please see the comment for the configure step in do_libc().
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BUILD_CC=${CT_CC_NATIVE} \
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CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
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CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
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AR=${CT_TARGET}-ar \
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RANLIB=${CT_TARGET}-ranlib \
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"${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
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--prefix=/usr \
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--build="${CT_UNIQ_BUILD}" \
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--host=${CT_TARGET} \
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--without-cvs \
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--disable-profile \
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--disable-debug \
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--without-gd \
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--with-headers="${CT_HEADERS_DIR}" \
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--cache-file=config.cache \
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${extra_config} \
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${CT_LIBC_GLIBC_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL
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#TODO: should check whether slibdir has been set in configparms to */lib64
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# and copy the startfiles into the appropriate libdir.
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make csu/subdir_lib 2>&1 |CT_DoLog ALL
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if [ "${CT_USE_SYSROOT}" = "y" ]; then
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cp -fp csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
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else
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cp -fp csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
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fi
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CT_EndStep
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}
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# This function builds and install the full glibc
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do_libc() {
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CT_DoStep INFO "Installing C library"
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mkdir -p "${CT_BUILD_DIR}/build-libc"
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cd "${CT_BUILD_DIR}/build-libc"
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CT_DoLog EXTRA "Configuring C library"
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# Add some default glibc config options if not given by user.
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# We don't need to be conditional on wether the user did set different
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# values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
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extra_config="--enable-kernel=`echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;'`"
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case "${CT_THREADS}" in
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nptl) extra_config="${extra_config} --with-__thread --with-tls";;
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linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
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none) extra_config="${extra_config} --without-__thread --without-nptl"
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case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
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*-tls*) ;;
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*) extra_config="${extra_config} --without-tls";;
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esac
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;;
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esac
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case "${CT_SHARED_LIBS}" in
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y) extra_config="${extra_config} --enable-shared";;
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*) extra_config="${extra_config} --disable-shared";;
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esac
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case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
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y,) extra_config="${extra_config} --with-fp";;
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,y) extra_config="${extra_config} --without-fp";;
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esac
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case "`do_libc_add_ons_list ,`" in
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"") ;;
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*) extra_config="${extra_config} --enable-add-ons=`do_libc_add_ons_list ,`";;
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esac
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# Add some default CC args
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if [ "${CT_USE_PIPES}" = "y" ]; then
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extra_cc_args="-pipe"
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fi
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case "${CT_ARCH_BE},${CT_ARCH_LE}" in
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y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
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,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
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esac
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cross_cc=`CT_Which "${CT_TARGET}-gcc"`
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CT_DoLog DEBUG "Using gcc for target : \"${cross_cc}\""
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CT_DoLog DEBUG "Configuring with addons : \"`do_libc_add_ons_list ,`\""
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CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
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CT_DoLog DEBUG "Extra CC args passed : \"${extra_cc_args}\""
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# sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
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# note: this is awkward, doesn't work well if you need more than one line in configparms
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echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
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# For glibc 2.3.4 and later we need to set some autoconf cache
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# variables, because nptl/sysdeps/pthread/configure.in does not
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# work when cross-compiling.
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if [ "${CT_THREADS}" = "nptl" ]; then
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echo libc_cv_forced_unwind=yes
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echo libc_cv_c_cleanup=yes
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fi >config.cache
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# Configure with --prefix the way we want it on the target...
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# There are a whole lot of settings here. You'll probably want
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# to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
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# Compare these options with the ones used when installing the glibc headers above - they're different.
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# Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
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# See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
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# Set BUILD_CC, or you won't be able to build datafiles
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# Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
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# OK. I'm fed up with those folks telling me what I should do.
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# I don't configure nptl? Well, maybe that's purposedly because
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# I don't want nptl! --disable-sanity-checks will shut up those
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# silly messages. GNU folks again, he?
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BUILD_CC=${CT_CC_NATIVE} \
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CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
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CC="${CT_TARGET}-gcc ${extra_cc_args} ${CT_LIBC_EXTRA_CC_ARGS}" \
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AR=${CT_TARGET}-ar \
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RANLIB=${CT_TARGET}-ranlib \
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"${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
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--prefix=/usr \
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--build=${CT_UNIQ_BUILD} \
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--host=${CT_TARGET} \
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--without-cvs \
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--disable-profile \
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--disable-debug \
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--without-gd \
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--disable-sanity-checks \
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--cache-file=config.cache \
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--with-headers="${CT_HEADERS_DIR}" \
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${extra_config} \
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${CT_LIBC_GLIBC_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL
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if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then
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# nptl-era glibc.
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# If the install-lib-all target (which is added by our make-install-lib-all.patch)
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# is present, it means we're building glibc-2.3.3 or later, and we can't
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# build programs yet, as they require libeh, which won't be installed
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# until full build of gcc
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GLIBC_INITIAL_BUILD_RULE=lib
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GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
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GLIBC_INSTALL_APPS_LATER=yes
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else
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# classic glibc.
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# We can build and install everything with the bootstrap compiler.
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GLIBC_INITIAL_BUILD_RULE=all
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GLIBC_INITIAL_INSTALL_RULE=install
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GLIBC_INSTALL_APPS_LATER=no
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fi
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# If this fails with an error like this:
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# ... linux/autoconf.h: No such file or directory
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# then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
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# The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
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# Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
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# No need for PARALLELMFLAGS here, Makefile already reads this environment variable
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CT_DoLog EXTRA "Building C library"
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make LD=${CT_TARGET}-ld \
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RANLIB=${CT_TARGET}-ranlib \
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${GLIBC_INITIAL_BUILD_RULE} 2>&1 |CT_DoLog ALL
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CT_DoLog EXTRA "Installing C library"
|
|
make install_root="${CT_SYSROOT_DIR}" \
|
|
${LIBC_SYSROOT_ARG} \
|
|
${GLIBC_INITIAL_INSTALL_RULE} 2>&1 |CT_DoLog ALL
|
|
|
|
# This doesn't seem to work when building a crosscompiler,
|
|
# as it tries to execute localedef using the just-built ld.so!?
|
|
#CT_DoLog EXTRA "Installing locales"
|
|
#make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
|
|
|
|
# Fix problems in linker scripts.
|
|
#
|
|
# 1. Remove absolute paths
|
|
# Any file in a list of known suspects that isn't a symlink is assumed to be a linker script.
|
|
# FIXME: test -h is not portable
|
|
# FIXME: probably need to check more files than just these three...
|
|
# Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks
|
|
#
|
|
# 2. Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
|
|
# needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
|
|
#
|
|
# To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
|
|
CT_DoLog EXTRA "Fixing C library linker scripts"
|
|
for file in libc.so libpthread.so libgcc_s.so; do
|
|
for dir in lib lib64 usr/lib usr/lib64; do
|
|
if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
|
|
cp "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
|
|
CT_DoLog DEBUG "Fixing \"${CT_SYS_ROOT_DIR}/${dir}/${file}\""
|
|
sed -i -r -e 's,/usr/lib/,,g;
|
|
s,/usr/lib64/,,g;
|
|
s,/lib/,,g;
|
|
s,/lib64/,,g;
|
|
/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
|
|
fi
|
|
done
|
|
done
|
|
|
|
CT_EndStep
|
|
}
|
|
|
|
# This function finishes the glibc install
|
|
do_libc_finish() {
|
|
# Finally, build and install glibc programs, now that libeh (if any) is installed
|
|
# Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
|
|
# .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
|
|
# .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
|
|
[ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
|
|
|
|
CT_DoStep INFO "Finishing C library"
|
|
|
|
cd "${CT_BUILD_DIR}/build-libc"
|
|
|
|
CT_DoLog EXTRA "Re-building C library"
|
|
make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib 2>&1 |CT_DoLog ALL
|
|
|
|
CT_DoLog EXTRA "Installing missing C library components"
|
|
# note: should do full install and then fix linker scripts, but this is faster
|
|
for t in bin rootsbin sbin data others; do
|
|
make install_root="${CT_SYSROOT_DIR}" \
|
|
${LIBC_SYSROOT_ARG} \
|
|
install-${t} 2>&1 |CT_DoLog ALL
|
|
done
|
|
|
|
CT_EndStep
|
|
}
|
|
|
|
# Build up the addons list, separated with $1
|
|
do_libc_add_ons_list() {
|
|
local sep="$1"
|
|
local addons_list=`echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,`
|
|
case "${CT_THREADS}" in
|
|
none) ;;
|
|
*) addons_list="${addons_list}${sep}${CT_THREADS}";;
|
|
esac
|
|
[ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
|
|
addons_list="${addons_list%%${sep}}"
|
|
echo "${addons_list##${sep}}"
|
|
}
|
|
|