yann@2270
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1 |
# This file contains the functions common to glibc and eglibc
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yann@850
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2 |
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yann@2270
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3 |
# Build and install headers file
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yann@2270
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4 |
# This is a no-op
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yann@850
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5 |
do_libc_headers() {
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yann@850
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:
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yann@850
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}
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yann@850
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yann@2270
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# Build and install headers and start files
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yann@850
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do_libc_start_files() {
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yann@850
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11 |
CT_DoStep INFO "Installing C library headers / start files"
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yann@850
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12 |
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yann@850
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13 |
mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
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yann@850
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cd "${CT_BUILD_DIR}/build-libc-startfiles"
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yann@850
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15 |
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yann@850
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16 |
CT_DoLog EXTRA "Configuring C library"
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yann@850
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17 |
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avrac@1569
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18 |
if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
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avrac@1569
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CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
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avrac@1569
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fi
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avrac@1569
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21 |
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yann@850
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cross_cc=$(CT_Which "${CT_TARGET}-gcc")
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yann@850
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cross_cxx=$(CT_Which "${CT_TARGET}-g++")
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yann@850
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cross_ar=$(CT_Which "${CT_TARGET}-ar")
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yann@850
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cross_ranlib=$(CT_Which "${CT_TARGET}-ranlib")
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yann@850
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26 |
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yann@850
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CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
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yann@850
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CT_DoLog DEBUG "Using g++ for target: '${cross_cxx}'"
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yann@850
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29 |
CT_DoLog DEBUG "Using ar for target: '${cross_ar}'"
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yann@850
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30 |
CT_DoLog DEBUG "Using ranlib for target: '${cross_ranlib}'"
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yann@850
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31 |
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yann@1123
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32 |
BUILD_CC="${CT_BUILD}-gcc" \
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yann@1123
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CC=${cross_cc} \
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yann@1123
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CXX=${cross_cxx} \
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yann@1123
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AR=${cross_ar} \
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yann@1123
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RANLIB=${cross_ranlib} \
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anthony@2154
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CT_DoExecLog CFG \
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yann@1123
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"${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
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yann@1123
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--prefix=/usr \
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yann@1123
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--with-headers="${CT_HEADERS_DIR}" \
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yann@1123
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--build="${CT_BUILD}" \
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yann@1123
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--host="${CT_TARGET}" \
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yann@1123
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--disable-profile \
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yann@1123
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--without-gd \
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yann@1123
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--without-cvs \
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yann@850
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--enable-add-ons
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yann@850
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47 |
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yann@850
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CT_DoLog EXTRA "Installing C library headers"
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yann@850
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yann@850
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# use the 'install-headers' makefile target to install the
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yann@850
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# headers
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yann@850
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52 |
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yann@850
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CT_DoExecLog ALL \
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yann@850
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make install-headers \
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yann@850
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install_root=${CT_SYSROOT_DIR} \
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yann@850
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install-bootstrap-headers=yes
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yann@850
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57 |
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yann@850
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CT_DoLog EXTRA "Installing C library start files"
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yann@850
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59 |
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yann@850
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# there are a few object files needed to link shared libraries,
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yann@850
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# which we build and install by hand
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yann@850
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62 |
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yann@850
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CT_DoExecLog ALL mkdir -p ${CT_SYSROOT_DIR}/usr/lib
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yann@850
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CT_DoExecLog ALL make csu/subdir_lib
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yann@850
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CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \
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yann@850
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${CT_SYSROOT_DIR}/usr/lib
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yann@850
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yann@850
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# Finally, 'libgcc_s.so' requires a 'libc.so' to link against.
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yann@850
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# However, since we will never actually execute its code,
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yann@850
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# it doesn't matter what it contains. So, treating '/dev/null'
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yann@850
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# as a C source file, we produce a dummy 'libc.so' in one step
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yann@850
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yann@850
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CT_DoExecLog ALL ${cross_cc} -nostdlib -nostartfiles -shared -x c /dev/null -o ${CT_SYSROOT_DIR}/usr/lib/libc.so
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yann@850
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yann@850
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CT_EndStep
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yann@850
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}
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yann@850
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yann@2270
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# This function builds and install the full C library
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yann@850
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do_libc() {
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yann@1478
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local -a extra_config
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yann@1478
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yann@850
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CT_DoStep INFO "Installing C library"
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yann@850
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yann@850
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mkdir -p "${CT_BUILD_DIR}/build-libc"
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yann@850
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cd "${CT_BUILD_DIR}/build-libc"
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yann@850
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86 |
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yann@850
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CT_DoLog EXTRA "Configuring C library"
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yann@850
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avrac@1569
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if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
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avrac@1569
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CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
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avrac@1569
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fi
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avrac@1569
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richard@1796
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if [ "${CT_EGLIBC_OPT_SIZE}" = "y" ]; then
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richard@1796
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OPTIMIZE=-Os
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richard@1796
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else
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richard@1796
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OPTIMIZE=-O2
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richard@1796
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fi
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richard@1796
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yann@850
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# Add some default glibc config options if not given by user.
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yann@850
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# We don't need to be conditional on wether the user did set different
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yann@850
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# values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
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yann@850
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yann@1478
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extra_config+=("--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')")
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yann@850
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yann@850
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case "${CT_THREADS}" in
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yann@1478
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nptl) extra_config+=("--with-__thread" "--with-tls");;
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yann@1478
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linuxthreads) extra_config+=("--with-__thread" "--without-tls" "--without-nptl");;
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yann@1478
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none) extra_config+=("--without-__thread" "--without-nptl")
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yann@850
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case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
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yann@850
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*-tls*) ;;
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yann@1478
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*) extra_config+=("--without-tls");;
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yann@850
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esac
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yann@850
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;;
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yann@850
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esac
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yann@850
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yann@850
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case "${CT_SHARED_LIBS}" in
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yann@1478
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y) extra_config+=("--enable-shared");;
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yann@1478
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*) extra_config+=("--disable-shared");;
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yann@850
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esac
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yann@850
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yann@850
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case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
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yann@1478
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y,) extra_config+=("--with-fp");;
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yann@1478
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,y) extra_config+=("--without-fp");;
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yann@850
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esac
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yann@850
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125 |
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bryanhundven@2180
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if [ "${CT_LIBC_DISABLE_VERSIONING}" = "y" ]; then
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bryanhundven@2180
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extra_config+=("--disable-versioning")
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bryanhundven@2180
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fi
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bryanhundven@2180
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129 |
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bryanhundven@2181
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if [ "${CT_LIBC_OLDEST_ABI}" != "" ]; then
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bryanhundven@2181
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extra_config+=("--enable-oldest-abi=${CT_LIBC_OLDEST_ABI}")
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bryanhundven@2181
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fi
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bryanhundven@2181
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yann@850
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case "$(do_libc_add_ons_list ,)" in
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yann@850
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"") ;;
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yann@1478
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*) extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;
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yann@850
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esac
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yann@850
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yann@850
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extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
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yann@850
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140 |
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yann@850
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cross_cc=$(CT_Which "${CT_TARGET}-gcc")
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yann@850
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142 |
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yann@850
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CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
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yann@850
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CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
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yann@1478
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CT_DoLog DEBUG "Extra config args passed: '${extra_config[*]}'"
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yann@850
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CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
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yann@850
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147 |
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bryanhundven@2229
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# ./configure is mislead by our tools override wrapper for bash
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bryanhundven@2229
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# so just tell it where the real bash is _on_the_target_!
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bryanhundven@2229
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# Notes:
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bryanhundven@2229
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151 |
# - ${ac_cv_path_BASH_SHELL} is only used to set BASH_SHELL
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bryanhundven@2229
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# - ${BASH_SHELL} is only used to set BASH
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bryanhundven@2229
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# - ${BASH} is only used to set the shebang
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bryanhundven@2229
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# in two scripts to run on the target
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bryanhundven@2229
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# So we can safely bypass bash detection at compile time.
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bryanhundven@2229
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# Should this change in a future eglibc release, we'd better
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bryanhundven@2229
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# directly mangle the generated scripts _after_ they get built,
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bryanhundven@2229
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# or even after they get installed... eglibc is such a sucker...
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bryanhundven@2229
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echo "ac_cv_path_BASH_SHELL=/bin/bash" >config.cache
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bryanhundven@2229
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160 |
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yann@1041
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161 |
BUILD_CC="${CT_BUILD}-gcc" \
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richard@1796
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162 |
CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} ${OPTIMIZE}" \
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yann@850
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163 |
CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
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yann@850
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164 |
AR=${CT_TARGET}-ar \
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yann@850
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165 |
RANLIB=${CT_TARGET}-ranlib \
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anthony@2154
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166 |
CT_DoExecLog CFG \
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yann@1123
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"${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
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yann@850
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168 |
--prefix=/usr \
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yann@850
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169 |
--with-headers="${CT_HEADERS_DIR}" \
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yann@1041
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--build=${CT_BUILD} \
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yann@850
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171 |
--host=${CT_TARGET} \
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yann@850
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172 |
--disable-profile \
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yann@850
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173 |
--without-gd \
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yann@850
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--without-cvs \
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bryanhundven@2229
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175 |
--cache-file=config.cache \
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yann@1478
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176 |
"${extra_config[@]}" \
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yann@850
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177 |
${CT_LIBC_GLIBC_EXTRA_CONFIG}
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yann@850
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178 |
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yann@850
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179 |
CT_DoLog EXTRA "Building C library"
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yann@850
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180 |
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yann@1328
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181 |
# eglibc build hacks
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yann@1328
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182 |
# http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
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yann@1328
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183 |
case "${CT_ARCH},${CT_ARCH_CPU}" in
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yann@1328
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184 |
powerpc,8??)
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yann@1328
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185 |
CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
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yann@1328
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186 |
EGLIBC_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
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yann@1328
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187 |
esac
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yann@1328
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188 |
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yann@1328
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189 |
CT_DoExecLog ALL make ASFLAGS="${EGLIBC_BUILD_ASFLAGS}"
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yann@850
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190 |
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yann@850
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191 |
CT_DoLog EXTRA "Installing C library"
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yann@850
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192 |
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yann@850
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193 |
CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
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yann@850
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194 |
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yann@850
|
195 |
CT_EndStep
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yann@850
|
196 |
}
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yann@850
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197 |
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yann@2270
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198 |
# This function finishes the C library install
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yann@2270
|
199 |
# This is a no-op
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yann@850
|
200 |
do_libc_finish() {
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yann@850
|
201 |
:
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yann@850
|
202 |
}
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yann@850
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203 |
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yann@850
|
204 |
# Build up the addons list, separated with $1
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yann@850
|
205 |
do_libc_add_ons_list() {
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yann@850
|
206 |
local sep="$1"
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yann@850
|
207 |
local addons_list=$(echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,)
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yann@850
|
208 |
case "${CT_THREADS}" in
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yann@850
|
209 |
none) ;;
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yann@850
|
210 |
*) addons_list="${addons_list}${sep}${CT_THREADS}";;
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yann@850
|
211 |
esac
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yann@850
|
212 |
[ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
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yann@850
|
213 |
addons_list="${addons_list%%${sep}}"
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yann@850
|
214 |
echo "${addons_list##${sep}}"
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yann@850
|
215 |
}
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