yann@850: # eglibc build functions (initially by Thomas JOURDAN).
yann@850: 
yann@850: # Download eglibc repository
yann@850: do_eglibc_get() {
yann@850:     CT_HasOrAbort svn
yann@850: 
yann@850:     case "${CT_LIBC_VERSION}" in
yann@850:         trunk)  svn_url="svn://svn.eglibc.org/trunk";;
yann@850:         *)      svn_url="svn://svn.eglibc.org/branches/eglibc-${CT_LIBC_VERSION}";;
yann@850:     esac
yann@850: 
yann@850:     case "${CT_EGLIBC_CHECKOUT}" in
yann@850:         y)  svn_action="checkout";;
yann@850:         *)  svn_action="export --force";;
yann@850:     esac
yann@850: 
yann@850:     CT_DoExecLog ALL svn ${svn_action} -r "${CT_EGLIBC_REVISION:-HEAD}" "${svn_url}" . 2>&1
yann@850: 
yann@850:     # Compress eglibc
yann@1123:     CT_DoExecLog ALL mv libc "eglibc-${CT_LIBC_VERSION}"
yann@1123:     CT_DoExecLog ALL tar cjf "eglibc-${CT_LIBC_VERSION}.tar.bz2" "eglibc-${CT_LIBC_VERSION}"
yann@850: 
yann@850:     # Compress linuxthreads, localedef and ports
yann@850:     # Assign them the name the way ct-ng like it
yann@850:     for addon in linuxthreads localedef ports; do
yann@1123:         CT_DoExecLog ALL mv "${addon}" "eglibc-${addon}-${CT_LIBC_VERSION}"
yann@1123:         CT_DoExecLog ALL tar cjf "eglibc-${addon}-${CT_LIBC_VERSION}.tar.bz2" "eglibc-${addon}-${CT_LIBC_VERSION}"
yann@850:     done
yann@850: }
yann@850: 
yann@850: # Download glibc
yann@850: do_libc_get() {
yann@850:     # eglibc is only available through subversion, there are no
yann@850:     # snapshots available. Moreover, addons will be downloaded
yann@850:     # simultaneously.
yann@850: 
yann@850:     # build filename
yann@1123:     eglibc="eglibc-${CT_LIBC_VERSION}.tar.bz2"
yann@850:     eglibc_linuxthreads="${CT_LIBC}-linuxthreads-${CT_LIBC_VERSION}.tar.bz2"
yann@850:     eglibc_localedef="${CT_LIBC}-localedef-${CT_LIBC_VERSION}.tar.bz2"
yann@850:     eglibc_ports="${CT_LIBC}-ports-${CT_LIBC_VERSION}.tar.bz2"
yann@850: 
yann@850:     # Check if every tarballs are already present
yann@1476:     if [    -f "${CT_TARBALLS_DIR}/${eglibc}"                   \
yann@1476:          -a -f "${CT_TARBALLS_DIR}/${eglibc_linuxthreads}"      \
yann@1476:          -a -f "${CT_TARBALLS_DIR}/${eglibc_localedef}"         \
yann@1476:          -a -f "${CT_TARBALLS_DIR}/${eglibc_ports}"             \
yann@1476:        ]; then
yann@850:         CT_DoLog DEBUG "Already have 'eglibc-${CT_LIBC_VERSION}'"
yann@850:         return 0
yann@850:     fi
yann@850: 
yann@1476:     if [    -f "${CT_LOCAL_TARBALLS_DIR}/${eglibc}"                 \
yann@1476:          -a -f "${CT_LOCAL_TARBALLS_DIR}/${eglibc_linuxthreads}"    \
yann@1476:          -a -f "${CT_LOCAL_TARBALLS_DIR}/${eglibc_localedef}"       \
yann@1476:          -a -f "${CT_LOCAL_TARBALLS_DIR}/${eglibc_ports}"           \
yann@1528:          -a "${CT_FORCE_DOWNLOAD}" != "y"                           \
yann@1476:        ]; then
yann@850:         CT_DoLog DEBUG "Got 'eglibc-${CT_LIBC_VERSION}' from local storage"
yann@850:         for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do
yann@850:             CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}"
yann@850:         done
yann@850:         return 0
yann@850:     fi
yann@850: 
yann@850:     # Not found locally, try from the network
yann@850:     CT_DoLog EXTRA "Retrieving 'eglibc-${CT_LIBC_VERSION}'"
yann@867: 
yann@867:     CT_MktempDir tmp_dir
yann@867:     CT_Pushd "${tmp_dir}"
yann@867: 
yann@850:     do_eglibc_get
yann@867:     CT_DoLog DEBUG "Moving 'eglibc-${CT_LIBC_VERSION}' to tarball directory"
yann@867:     for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do
yann@867:         CT_DoExecLog ALL mv -f "${file}" "${CT_TARBALLS_DIR}"
yann@867:     done
yann@867: 
yann@867:     CT_Popd
yann@867: 
yann@867:     # Remove source files
yann@867:     CT_DoExecLog ALL rm -rf "${tmp_dir}"
yann@850: 
yann@850:     if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
yann@850:         CT_DoLog EXTRA "Saving 'eglibc-${CT_LIBC_VERSION}' to local storage"
yann@850:         for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do
yann@850:             CT_DoExecLog ALL mv -f "${CT_TARBALLS_DIR}/${file}" "${CT_LOCAL_TARBALLS_DIR}"
yann@850:             CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}"
yann@850:         done
yann@850:     fi
yann@850: 
yann@850:     return 0
yann@850: }
yann@850: 
yann@850: # Extract eglibc
yann@850: do_libc_extract() {
yann@1126:     CT_Extract "eglibc-${CT_LIBC_VERSION}"
yann@1126:     CT_Patch "eglibc-${CT_LIBC_VERSION}"
yann@850: 
yann@850:     # C library addons
yann@850:     for addon in $(do_libc_add_ons_list " "); do
yann@850:         # NPTL addon is not to be extracted, in any case
yann@850:         [ "${addon}" = "nptl" ] && continue || true
yann@1123:         CT_Pushd "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}"
yann@1126:         CT_Extract "eglibc-${addon}-${CT_LIBC_VERSION}" nochdir
yann@1126:         # Some addons have the 'long' name, while others have the
yann@1126:         # 'short' name, but patches are non-uniformly built with
yann@1126:         # either the 'long' or 'short' name, whatever the addons name
yann@1126:         # so we have to make symlinks from the existing to the missing
yann@1126:         # Fortunately for us, [ -d foo ], when foo is a symlink to a
yann@1126:         # directory, returns true!
yann@1126:         [ -d "${addon}" ] || ln -s "eglibc-${addon}-${CT_LIBC_VERSION}" "${addon}"
yann@1126:         [ -d "eglibc-${addon}-${CT_LIBC_VERSION}" ] || ln -s "${addon}" "eglibc-${addon}-${CT_LIBC_VERSION}"
yann@1126:         CT_Patch "eglibc-${addon}-${CT_LIBC_VERSION}" nochdir
yann@1123:         CT_Popd
yann@850:     done
yann@850: 
yann@884:     # The configure files may be older than the configure.in files
yann@884:     # if using a snapshot (or even some tarballs). Fake them being
yann@884:     # up to date.
yann@1123:     find "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}" -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
yann@884: 
yann@850:     return 0
yann@850: }
yann@850: 
avrac@1569: # Copy user provided eglibc configuration file if provided
yann@850: do_libc_check_config() {
avrac@1569:     if [ "${CT_EGLIBC_CUSTOM_CONFIG}" != "y" ]; then
avrac@1569:         return 0
avrac@1569:     fi
avrac@1569: 
avrac@1569:     CT_DoStep INFO "Checking C library configuration"
avrac@1569: 
avrac@1569:     CT_TestOrAbort "You did not provide an eglibc config file!" \
avrac@1569:         -n "${CT_EGLIBC_OPTION_GROUPS_FILE}" -a \
avrac@1569:         -f "${CT_EGLIBC_OPTION_GROUPS_FILE}"
avrac@1569: 
avrac@1569:     CT_DoExecLog ALL cp "${CT_EGLIBC_OPTION_GROUPS_FILE}" "${CT_CONFIG_DIR}/eglibc.config"
avrac@1569: 
avrac@1569:     # NSS configuration
avrac@1569:     if grep -E '^OPTION_EGLIBC_NSSWITCH[[:space:]]*=[[:space:]]*n' "${CT_EGLIBC_OPTION_GROUPS_FILE}" >/dev/null 2>&1; then
avrac@1569:         CT_DoLog DEBUG "Using fixed-configuration nsswitch facility"
avrac@1569: 
avrac@1569:         if [ "${CT_EGLIBC_BUNDLED_NSS_CONFIG}" = "y" ]; then
avrac@1569:             nss_config="${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/nss/fixed-nsswitch.conf"
avrac@1569:         else
avrac@1569:             nss_config="${CT_EGLIBC_NSS_CONFIG_FILE}"
avrac@1569:         fi
avrac@1569:         CT_TestOrAbort "NSS config file not found!" -n "${nss_config}" -a -f "${nss_config}"
avrac@1569: 
avrac@1569:         CT_DoExecLog ALL cp "${nss_config}" "${CT_CONFIG_DIR}/nsswitch.config"
avrac@1569:         echo "OPTION_EGLIBC_NSSWITCH_FIXED_CONFIG = ${CT_CONFIG_DIR}/nsswitch.config" \
avrac@1569:             >> "${CT_CONFIG_DIR}/eglibc.config"
avrac@1569: 
avrac@1569:         if [ "${CT_EGLIBC_BUNDLED_NSS_FUNCTIONS}" = "y" ]; then
avrac@1569:             nss_functions="${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/nss/fixed-nsswitch.functions"
avrac@1569:         else
avrac@1569:             nss_functions="${CT_EGLIBC_NSS_FUNCTIONS_FILE}"
avrac@1569:         fi
avrac@1569:         CT_TestOrAbort "NSS functions file not found!" -n "${nss_functions}" -a -f "${nss_functions}"
avrac@1569: 
avrac@1569:         CT_DoExecLog ALL cp "${nss_functions}" "${CT_CONFIG_DIR}/nsswitch.functions"
avrac@1569:         echo "OPTION_EGLIBC_NSSWITCH_FIXED_FUNCTIONS = ${CT_CONFIG_DIR}/nsswitch.functions" \
avrac@1569:             >> "${CT_CONFIG_DIR}/eglibc.config"
avrac@1569:     else
avrac@1569:         CT_DoLog DEBUG "Using full-blown nsswitch facility"
avrac@1569:     fi
avrac@1569: 
avrac@1569:     CT_EndStep
yann@850: }
yann@850: 
yann@884: # This function installs the eglibc headers needed to build the core compiler
yann@850: do_libc_headers() {
yann@850:     # Instead of doing two time the same actions, headers will
yann@850:     # be installed with start files
yann@850:     :
yann@850: }
yann@850: 
yann@850: # Build and install start files
yann@850: do_libc_start_files() {
yann@850:     CT_DoStep INFO "Installing C library headers / start files"
yann@850: 
yann@850:     mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
yann@850:     cd "${CT_BUILD_DIR}/build-libc-startfiles"
yann@850: 
yann@850:     CT_DoLog EXTRA "Configuring C library"
yann@850: 
avrac@1569:     if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
avrac@1569:         CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
avrac@1569:     fi
avrac@1569: 
yann@850:     cross_cc=$(CT_Which "${CT_TARGET}-gcc")
yann@850:     cross_cxx=$(CT_Which "${CT_TARGET}-g++")
yann@850:     cross_ar=$(CT_Which "${CT_TARGET}-ar")
yann@850:     cross_ranlib=$(CT_Which "${CT_TARGET}-ranlib")
yann@850:     
yann@850:     CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
yann@850:     CT_DoLog DEBUG "Using g++ for target: '${cross_cxx}'"
yann@850:     CT_DoLog DEBUG "Using ar for target: '${cross_ar}'"
yann@850:     CT_DoLog DEBUG "Using ranlib for target: '${cross_ranlib}'"
yann@850: 
yann@1123:     BUILD_CC="${CT_BUILD}-gcc"                          \
yann@1123:     CC=${cross_cc}                                      \
yann@1123:     CXX=${cross_cxx}                                    \
yann@1123:     AR=${cross_ar}                                      \
yann@1123:     RANLIB=${cross_ranlib}                              \
yann@1123:     CT_DoExecLog ALL                                    \
yann@1123:     "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
yann@1123:         --prefix=/usr                                   \
yann@1123:         --with-headers="${CT_HEADERS_DIR}"              \
yann@1123:         --build="${CT_BUILD}"                           \
yann@1123:         --host="${CT_TARGET}"                           \
yann@1123:         --disable-profile                               \
yann@1123:         --without-gd                                    \
yann@1123:         --without-cvs                                   \
yann@850:         --enable-add-ons
yann@850: 
yann@850:     CT_DoLog EXTRA "Installing C library headers"
yann@850: 
yann@850:     # use the 'install-headers' makefile target to install the
yann@850:     # headers
yann@850: 
yann@850:     CT_DoExecLog ALL                    \
yann@850:     make install-headers                \
yann@850:          install_root=${CT_SYSROOT_DIR} \
yann@850:          install-bootstrap-headers=yes
yann@850: 
yann@850:     CT_DoLog EXTRA "Installing C library start files"
yann@850: 
yann@850:     # there are a few object files needed to link shared libraries,
yann@850:     # which we build and install by hand
yann@850: 
yann@850:     CT_DoExecLog ALL mkdir -p ${CT_SYSROOT_DIR}/usr/lib
yann@850:     CT_DoExecLog ALL make csu/subdir_lib
yann@850:     CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \
yann@850:         ${CT_SYSROOT_DIR}/usr/lib
yann@850: 
yann@850:     # Finally, 'libgcc_s.so' requires a 'libc.so' to link against.  
yann@850:     # However, since we will never actually execute its code, 
yann@850:     # it doesn't matter what it contains.  So, treating '/dev/null' 
yann@850:     # as a C source file, we produce a dummy 'libc.so' in one step
yann@850: 
yann@850:     CT_DoExecLog ALL ${cross_cc} -nostdlib -nostartfiles -shared -x c /dev/null -o ${CT_SYSROOT_DIR}/usr/lib/libc.so
yann@850: 
yann@850:     CT_EndStep
yann@850: }
yann@850: 
yann@850: # This function builds and install the full glibc
yann@850: do_libc() {
yann@1478:     local -a extra_config
yann@1478: 
yann@850:     CT_DoStep INFO "Installing C library"
yann@850: 
yann@850:     mkdir -p "${CT_BUILD_DIR}/build-libc"
yann@850:     cd "${CT_BUILD_DIR}/build-libc"
yann@850: 
yann@850:     CT_DoLog EXTRA "Configuring C library"
yann@850: 
avrac@1569:     if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
avrac@1569:         CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
avrac@1569:     fi
avrac@1569: 
yann@850:     # Add some default glibc config options if not given by user.
yann@850:     # We don't need to be conditional on wether the user did set different
yann@850:     # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
yann@850: 
yann@1478:     extra_config+=("--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')")
yann@850: 
yann@850:     case "${CT_THREADS}" in
yann@1478:         nptl)           extra_config+=("--with-__thread" "--with-tls");;
yann@1478:         linuxthreads)   extra_config+=("--with-__thread" "--without-tls" "--without-nptl");;
yann@1478:         none)           extra_config+=("--without-__thread" "--without-nptl")
yann@850:                         case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
yann@850:                             *-tls*) ;;
yann@1478:                             *) extra_config+=("--without-tls");;
yann@850:                         esac
yann@850:                         ;;
yann@850:     esac
yann@850: 
yann@850:     case "${CT_SHARED_LIBS}" in
yann@1478:         y) extra_config+=("--enable-shared");;
yann@1478:         *) extra_config+=("--disable-shared");;
yann@850:     esac
yann@850: 
yann@850:     case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
yann@1478:         y,) extra_config+=("--with-fp");;
yann@1478:         ,y) extra_config+=("--without-fp");;
yann@850:     esac
yann@850: 
yann@850:     case "$(do_libc_add_ons_list ,)" in
yann@850:         "") ;;
yann@1478:         *)  extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;
yann@850:     esac
yann@850: 
yann@850:     extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
yann@850: 
yann@850:     cross_cc=$(CT_Which "${CT_TARGET}-gcc")    
yann@850: 
yann@850:     CT_DoLog DEBUG "Using gcc for target:     '${cross_cc}'"
yann@850:     CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
yann@1478:     CT_DoLog DEBUG "Extra config args passed: '${extra_config[*]}'"
yann@850:     CT_DoLog DEBUG "Extra CC args passed    : '${extra_cc_args}'"
yann@850: 
yann@1041:     BUILD_CC="${CT_BUILD}-gcc"                                      \
yann@1552:     CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O2"  \
yann@850:     CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
yann@850:     AR=${CT_TARGET}-ar                                              \
yann@850:     RANLIB=${CT_TARGET}-ranlib                                      \
yann@850:     CT_DoExecLog ALL                                                \
yann@1123:     "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure"             \
yann@850:         --prefix=/usr                                               \
yann@850:         --with-headers="${CT_HEADERS_DIR}"                          \
yann@1041:         --build=${CT_BUILD}                                         \
yann@850:         --host=${CT_TARGET}                                         \
yann@850:         --disable-profile                                           \
yann@850:         --without-gd                                                \
yann@850:         --without-cvs                                               \
yann@1478:         "${extra_config[@]}"                                        \
yann@850:         ${CT_LIBC_GLIBC_EXTRA_CONFIG}
yann@850:     
yann@850:     CT_DoLog EXTRA "Building C library"
yann@850: 
yann@1328:     # eglibc build hacks
yann@1328:     # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
yann@1328:     case "${CT_ARCH},${CT_ARCH_CPU}" in
yann@1328:         powerpc,8??)
yann@1328:             CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
yann@1328:             EGLIBC_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
yann@1328:     esac
yann@1328: 
yann@1328:     CT_DoExecLog ALL make ASFLAGS="${EGLIBC_BUILD_ASFLAGS}"
yann@850: 
yann@850:     CT_DoLog EXTRA "Installing C library"
yann@850: 
yann@850:     CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
yann@850: 
yann@850:     CT_EndStep
yann@850: }
yann@850: 
yann@850: # This function finishes the glibc install
yann@850: do_libc_finish() {
yann@850:     # Nothing to be done for eglibc
yann@850:     :
yann@850: }
yann@850: 
yann@850: # Build up the addons list, separated with $1
yann@850: do_libc_add_ons_list() {
yann@850:     local sep="$1"
yann@850:     local addons_list=$(echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,)
yann@850:     case "${CT_THREADS}" in
yann@850:         none)   ;;
yann@850:         *)      addons_list="${addons_list}${sep}${CT_THREADS}";;
yann@850:     esac
yann@850:     [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
yann@850:     addons_list="${addons_list%%${sep}}"
yann@850:     echo "${addons_list##${sep}}"
yann@850: }