# This file declares functions to install the uClibc C library # Copyright 2007 Yann E. MORIN # Licensed under the GPL v2. See COPYING in the root of this package # This is a constant because it does not change very often. # We're in 2010, and are still using data from 7 years ago. uclibc_locales_version=030818 uclibc_local_tarball="uClibc-locale-${uclibc_locales_version}" # Download uClibc do_libc_get() { libc_src="http://www.uclibc.org/downloads http://www.uclibc.org/downloads/snapshots http://www.uclibc.org/downloads/old-releases" # For uClibc, we have almost every thing: releases, and snapshots # for the last month or so. We'll have to deal with svn revisions # later... CT_GetFile "uClibc-${CT_LIBC_VERSION}" ${libc_src} # uClibc locales if [ "${CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA}" = "y" ]; then CT_GetFile "${uclibc_local_tarball}" ${libc_src} fi return 0 } libc_uclibc_src_dir() { if [ -z "${CT_LIBC_UCLIBC_V_snapshot}" \ -a -z "${CT_LIBC_UCLIBC_V_specific_date}" \ ]; then echo "${CT_SRC_DIR}/uClibc-${CT_LIBC_VERSION}" else echo "${CT_SRC_DIR}/uClibc" fi } # Extract uClibc do_libc_extract() { CT_Extract "uClibc-${CT_LIBC_VERSION}" # Don't patch snapshots if [ -z "${CT_LIBC_UCLIBC_V_snapshot}" \ -a -z "${CT_LIBC_UCLIBC_V_specific_date}" \ ]; then CT_Patch "uClibc" "${CT_LIBC_VERSION}" fi # uClibc locales # Extracting pregen locales ourselves is kinda # broken, so just link it in place... if [ "${CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA}" = "y" \ -a ! -f "${CT_SRC_DIR}/.${uclibc_local_tarball}.extracted" ]; then CT_Pushd "$(libc_uclibc_src_dir)/extra/locale" CT_DoExecLog ALL ln -s "${CT_TARBALLS_DIR}/${uclibc_local_tarball}.tgz" . CT_Popd touch "${CT_SRC_DIR}/.${uclibc_local_tarball}.extracted" fi return 0 } # Check that uClibc has been previously configured do_libc_check_config() { CT_DoStep INFO "Checking C library configuration" CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}" if grep -E '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad." CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade." fi CT_DoLog EXTRA "Munging uClibc configuration" mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_CONFIG_DIR}/uClibc.config" CT_EndStep } # Build and install headers and start files do_libc_start_files() { local install_rule local cross CT_DoStep INFO "Installing C library headers" # Simply copy files until uClibc has the ability to build out-of-tree CT_DoLog EXTRA "Copying sources to build dir" CT_DoExecLog ALL cp -av "$(libc_uclibc_src_dir)" \ "${CT_BUILD_DIR}/build-libc-headers" cd "${CT_BUILD_DIR}/build-libc-headers" # Retrieve the config file CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/uClibc.config" .config # uClibc uses the CROSS environment variable as a prefix to the # compiler tools to use. Setting it to the empty string forces # use of the native build host tools, which we need at this # stage, as we don't have target tools yet. # BUT! With NPTL, we need a cross-compiler (and we have it) if [ "${CT_THREADS}" = "nptl" ]; then cross="${CT_TARGET}-" fi # Force the date of the pregen locale data, as the # newer ones that are referenced are not available CT_DoLog EXTRA "Applying configuration" CT_DoYes "" |CT_DoExecLog ALL \ make CROSS="${cross}" \ PREFIX="${CT_SYSROOT_DIR}/" \ LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \ oldconfig CT_DoLog EXTRA "Building headers" CT_DoExecLog ALL \ make ${CT_LIBC_UCLIBC_VERBOSITY} \ CROSS="${cross}" \ PREFIX="${CT_SYSROOT_DIR}/" \ LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \ headers if [ "${CT_LIBC_UCLIBC_0_9_30_or_later}" = "y" ]; then install_rule=install_headers else install_rule=install_dev fi CT_DoLog EXTRA "Installing headers" CT_DoExecLog ALL \ make ${CT_LIBC_UCLIBC_VERBOSITY} \ CROSS="${cross}" \ PREFIX="${CT_SYSROOT_DIR}/" \ LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \ ${install_rule} if [ "${CT_THREADS}" = "nptl" ]; then CT_DoLog EXTRA "Building start files" CT_DoExecLog ALL \ make ${CT_LIBC_UCLIBC_PARALLEL:+${JOBSFLAGS}} \ CROSS="${cross}" \ PREFIX="${CT_SYSROOT_DIR}/" \ STRIPTOOL=true \ ${CT_LIBC_UCLIBC_VERBOSITY} \ LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \ lib/crt1.o lib/crti.o lib/crtn.o # From: http://git.openembedded.org/cgit.cgi/openembedded/commit/?id=ad5668a7ac7e0436db92e55caaf3fdf782b6ba3b # libm.so is needed for ppc, as libgcc is linked against libm.so # No problem to create it for other archs. CT_DoLog EXTRA "Building dummy shared libs" CT_DoExecLog ALL "${cross}gcc" -nostdlib \ -nostartfiles \ -shared \ -x c /dev/null \ -o libdummy.so CT_DoLog EXTRA "Installing start files" CT_DoExecLog ALL install -m 0644 lib/crt1.o lib/crti.o lib/crtn.o \ "${CT_SYSROOT_DIR}/usr/lib" CT_DoLog EXTRA "Installing dummy shared libs" CT_DoExecLog ALL install -m 0755 libdummy.so "${CT_SYSROOT_DIR}/usr/lib/libc.so" CT_DoExecLog ALL install -m 0755 libdummy.so "${CT_SYSROOT_DIR}/usr/lib/libm.so" fi # CT_THREADS == nptl CT_EndStep } # This function build and install the full uClibc do_libc() { CT_DoStep INFO "Installing C library" # Simply copy files until uClibc has the ability to build out-of-tree CT_DoLog EXTRA "Copying sources to build dir" CT_DoExecLog ALL cp -av "$(libc_uclibc_src_dir)" \ "${CT_BUILD_DIR}/build-libc" cd "${CT_BUILD_DIR}/build-libc" # Retrieve the config file CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/uClibc.config" .config # uClibc uses the CROSS environment variable as a prefix to the compiler # tools to use. The newly built tools should be in our path, so we need # only give the correct name for them. # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak, # depending on the configuration of the library. That is, they are tailored # to best fit the target. So it is useless and seems to be a bad thing to # use LIBC_EXTRA_CFLAGS here. CT_DoLog EXTRA "Applying configuration" CT_DoYes "" |CT_DoExecLog CFG \ make CROSS=${CT_TARGET}- \ PREFIX="${CT_SYSROOT_DIR}/" \ LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \ oldconfig # We do _not_ want to strip anything for now, in case we specifically # asked for a debug toolchain, thus the STRIPTOOL= assignment # /Old/ versions can not build in // CT_DoLog EXTRA "Building C library" CT_DoExecLog ALL \ make -j1 \ CROSS=${CT_TARGET}- \ PREFIX="${CT_SYSROOT_DIR}/" \ STRIPTOOL=true \ ${CT_LIBC_UCLIBC_VERBOSITY} \ LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \ pregen CT_DoExecLog ALL \ make ${CT_LIBC_UCLIBC_PARALLEL:+${JOBSFLAGS}} \ CROSS=${CT_TARGET}- \ PREFIX="${CT_SYSROOT_DIR}/" \ STRIPTOOL=true \ ${CT_LIBC_UCLIBC_VERBOSITY} \ LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \ all # YEM-FIXME: # - we want to install 'runtime' files, eg. lib*.{a,so*}, crti.o and # such files, except the headers as they already are installed # - "make install_dev" installs the headers, the crti.o... and the # static libs, but not the dynamic libs # - "make install_runtime" installs the dynamic libs only # - "make install" calls install_runtime and install_dev # - so we're left with re-installing the headers... Sigh... # # We do _not_ want to strip anything for now, in case we specifically # asked for a debug toolchain, hence the STRIPTOOL= assignment # # Note: JOBSFLAGS is not usefull for installation. # CT_DoLog EXTRA "Installing C library" CT_DoExecLog ALL \ make CROSS=${CT_TARGET}- \ PREFIX="${CT_SYSROOT_DIR}/" \ STRIPTOOL=true \ ${CT_LIBC_UCLIBC_VERBOSITY} \ LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \ install CT_EndStep } # This function is used to install those components needing the final C compiler do_libc_finish() { : } # Initialises the .config file to sensible values # $1: original file # $2: munged file mungeuClibcConfig() { src_config_file="$1" dst_config_file="$2" munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed" # Start with a fresh file rm -f "${munge_file}" touch "${munge_file}" # Do it all in a sub-shell, it's easier to redirect output ( # Hack our target in the config file. case "${CT_ARCH}:${CT_ARCH_BITNESS}" in x86:32) arch=i386;; x86:64) arch=x86_64;; sh:32) arch="sh";; sh:64) arch="sh64";; blackfin:32) arch="bfin";; *) arch="${CT_ARCH}";; esac # Also remove stripping: its the responsibility of the # firmware builder to strip or not. cat <<-ENDSED s/^(TARGET_.*)=y$/# \\1 is not set/ s/^# TARGET_${arch} is not set/TARGET_${arch}=y/ s/^TARGET_ARCH=".*"/TARGET_ARCH="${arch}"/ s/.*(DOSTRIP).*/# \\1 is not set/ ENDSED # Ah. We may one day need architecture-specific handler here... case "${CT_ARCH}" in arm) # Hack the ARM {E,O}ABI into the config file if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then cat <<-ENDSED s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/ s/.*(CONFIG_ARM_EABI).*/\\1=y/ ENDSED else cat <<-ENDSED s/.*(CONFIG_ARM_OABI).*/\\1=y/ s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/ ENDSED fi ;; mips) case "${CT_ARCH_mips_ABI}" in 32) cat <<-ENDSED s/.*(CONFIG_MIPS_O32_ABI).*/\\1=y/ s/.*(CONFIG_MIPS_N32_ABI).*/# \\1 is not set/ s/.*(CONFIG_MIPS_N64_ABI).*/# \\1 is not set/ ENDSED ;; # For n32 and n64, also force the ISA # Not so sure this is pertinent, so it's # commented out for now. It would take a # (MIPS+uClibc) expert to either remove # or re-enable the overrides. n32) cat <<-ENDSED s/.*(CONFIG_MIPS_O32_ABI).*/# \\1 is not set/ s/.*(CONFIG_MIPS_N32_ABI).*/\\1=y/ s/.*(CONFIG_MIPS_N64_ABI).*/# \\1 is not set/ s/.*(CONFIG_MIPS_ISA_.*).*/# \\1 is not set/ s/.*(CONFIG_MIPS_ISA_3).*/\\1=y/ ENDSED ;; 64) cat <<-ENDSED s/.*(CONFIG_MIPS_O32_ABI).*/# \\1 is not set/ s/.*(CONFIG_MIPS_N32_ABI).*/# \\1 is not set/ s/.*(CONFIG_MIPS_N64_ABI).*/\\1=y/ s/.*(CONFIG_MIPS_ISA_.*).*/# \\1 is not set/ s/.*(CONFIG_MIPS_ISA_MIPS64).*/\\1=y/ ENDSED ;; esac ;; esac # Accomodate for old and new uClibc versions, where the # way to select between big/little endian has changed case "${CT_ARCH_BE},${CT_ARCH_LE}" in y,) cat <<-ENDSED s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/ s/.*(ARCH_BIG_ENDIAN).*/\\1=y/ s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/ s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/ ENDSED ;; ,y) cat <<-ENDSED s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/ s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/ s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/ s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/ ENDSED ;; esac # Accomodate for old and new uClibc version, where the # way to select between hard/soft float has changed case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in y,) cat <<-ENDSED s/^[^_]*(HAS_FPU).*/\\1=y/ s/.*(UCLIBC_HAS_FPU).*/\\1=y/ ENDSED ;; ,y) cat <<-ENDSED s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/ s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/ ENDSED ;; esac # Change paths to work with crosstool-NG # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev # " we just want the kernel headers, not the whole kernel source ... # " so people may need to update their paths slightly quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;') quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;') # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET} # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and # newer versions use KERNEL_HEADERS (which is right). cat <<-ENDSED s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/ s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/ s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/ s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/ s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/ s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/ ENDSED if [ "${CT_USE_PIPES}" = "y" ]; then if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then # Good, there is special provision for such things as -pipe! cat <<-ENDSED s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/ ENDSED else # Hack our -pipe into WARNINGS, which will be internally incorporated to # CFLAGS. This a dirty hack, but yet needed cat <<-ENDSED s/^(WARNINGS=".*)"$/\\1 -pipe"/ ENDSED fi fi # Locales support # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing # entirely if LOCALE is not set. If LOCALE was already set, we'll # assume the user has already made all the appropriate generation # arrangements. Note that having the uClibc Makefile download the # pregenerated locales is not compatible with crosstool; besides, # crosstool downloads them as part of getandpatch.sh. case "${CT_LIBC_UCLIBC_LOCALES}:${CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA}" in :*) ;; y:) cat <<-ENDSED s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\ # UCLIBC_PREGENERATED_LOCALE_DATA is not set\\ # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\ # UCLIBC_HAS_XLOCALE is not set/ ENDSED ;; y:y) cat <<-ENDSED s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\ UCLIBC_PREGENERATED_LOCALE_DATA=y\\ # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\ # UCLIBC_HAS_XLOCALE is not set/ ENDSED ;; esac # WCHAR support if [ "${CT_LIBC_UCLIBC_WCHAR}" = "y" ] ; then cat <<-ENDSED s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=y/ ENDSED else cat <<-ENDSED s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=n/ ENDSED fi # Force on options needed for C++ if we'll be making a C++ compiler. # I'm not sure locales are a requirement for doing C++... Are they? if [ "${CT_CC_LANG_CXX}" = "y" ]; then cat <<-ENDSED s/^# DO_C99_MATH is not set/DO_C99_MATH=y/ s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/ s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/ ENDSED fi # Push the threading model # Note: we take into account all of the .28, .29, .30 and .31 # versions, here. Even snapshots with NPTL. case "${CT_THREADS}:${CT_LIBC_UCLIBC_LNXTHRD}" in none:) cat <<-ENDSED s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/ s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/ s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/ s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/ ENDSED ;; linuxthreads:old) cat <<-ENDSED s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/ s/^# LINUXTHREADS_OLD is not set/LINUXTHREADS_OLD=y/ s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/ s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/ ENDSED ;; linuxthreads:new) cat <<-ENDSED s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/ s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/ s/^# LINUXTHREADS_NEW is not set/LINUXTHREADS_NEW=y/ s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/ ENDSED ;; nptl:) cat <<-ENDSED s/^HAS_NO_THREADS=y/# HAS_NO_THREADS is not set/ s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/ s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/ s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/ s/^# UCLIBC_HAS_THREADS_NATIVE is not set/UCLIBC_HAS_THREADS_NATIVE=y/ ENDSED ;; *) CT_Abort "Incorrect thread settings: CT_THREADS='${CT_THREAD}' CT_LIBC_UCLIBC_LNXTHRD='${CT_LIBC_UCLIBC_LNXTHRD}'" ;; esac # Always build the libpthread_db cat <<-ENDSED s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/ ENDSED # Force on debug options if asked for case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in 0) cat <<-ENDSED s/^DODEBUG=y/# DODEBUG is not set/ s/^DODEBUG_PT=y/# DODEBUG_PT is not set/ s/^DOASSERTS=y/# DOASSERTS is not set/ s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/ s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/ s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/ ENDSED ;; 1) cat <<-ENDSED s/^# DODEBUG is not set.*/DODEBUG=y/ s/^DODEBUG_PT=y/# DODEBUG_PT is not set/ s/^DOASSERTS=y/# DOASSERTS is not set/ s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/ s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/ s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/ ENDSED ;; 2) cat <<-ENDSED s/^# DODEBUG is not set.*/DODEBUG=y/ s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/ s/^# DOASSERTS is not set.*/DOASSERTS=y/ s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/ s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/ s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/ ENDSED ;; esac # And now, this is the end ) >>"${munge_file}" sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}" }