yann@850: # This file declares functions to install the uClibc C library
yann@850: # Copyright 2007 Yann E. MORIN
yann@850: # Licensed under the GPL v2. See COPYING in the root of this package
yann@850: 
yann@850: do_print_filename() {
yann@850:     [ "${CT_LIBC}" = "uClibc" ] || return 0
yann@850:     echo "uClibc-${CT_LIBC_VERSION}"
yann@850:     [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && echo "uClibc-locale-030818" || true
yann@850: }
yann@850: 
yann@850: # Download uClibc
yann@850: do_libc_get() {
yann@850:     libc_src="http://www.uclibc.org/downloads
yann@850:               http://www.uclibc.org/downloads/snapshots
yann@850:               http://www.uclibc.org/downloads/old-releases"
yann@850:     # For uClibc, we have almost every thing: releases, and snapshots
yann@850:     # for the last month or so. We'll have to deal with svn revisions
yann@850:     # later...
yann@850:     CT_GetFile "${CT_LIBC_FILE}" ${libc_src}
yann@850:     # uClibc locales
yann@850:     [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_GetFile "uClibc-locale-030818" ${libc_src} || true
yann@850: 
yann@850:     return 0
yann@850: }
yann@850: 
yann@850: # Extract uClibc
yann@850: do_libc_extract() {
yann@850:     CT_ExtractAndPatch "${CT_LIBC_FILE}"
yann@850:     # uClibc locales
yann@850:     [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_ExtractAndPatch "uClibc-locale-030818" || true
yann@850: 
yann@850:     return 0
yann@850: }
yann@850: 
yann@850: # Check that uClibc has been previously configured
yann@850: do_libc_check_config() {
yann@850:     CT_DoStep INFO "Checking C library configuration"
yann@850: 
yann@850:     CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"
yann@850: 
yann@850:     if egrep '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then
yann@850:         CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."
yann@850:         CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."
yann@850:     fi
yann@850: 
yann@850:     CT_DoLog EXTRA "Munging uClibc configuration"
yann@850:     mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_BUILD_DIR}/uClibc.config"
yann@850: 
yann@850:     CT_EndStep
yann@850: }
yann@850: 
yann@850: # This functions installs uClibc's headers
yann@850: do_libc_headers() {
yann@850:     # Only need to install bootstrap uClibc headers for gcc-3.0 and above?  Or maybe just gcc-3.3 and above?
yann@850:     # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
yann@850:     grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_FILE}/ChangeLog" 2>/dev/null || return 0
yann@850: 
yann@850:     CT_DoStep INFO "Installing C library headers"
yann@850: 
yann@850:     mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
yann@850:     cd "${CT_BUILD_DIR}/build-libc-headers"
yann@850: 
yann@850:     # Simply copy files until uClibc has the ablity to build out-of-tree
yann@850:     CT_DoLog EXTRA "Copying sources to build dir"
yann@850:     { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
yann@850: 
yann@850:     # Retrieve the config file
yann@850:     cp "${CT_BUILD_DIR}/uClibc.config" .config
yann@850: 
yann@850:     # uClibc uses the CROSS environment variable as a prefix to the
yann@850:     # compiler tools to use.  Setting it to the empty string forces
yann@850:     # use of the native build host tools, which we need at this
yann@850:     # stage, as we don't have target tools yet.
yann@850:     CT_DoLog EXTRA "Applying configuration"
yann@850:     CT_DoYes "" |CT_DoExecLog ALL make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig
yann@850: 
yann@850:     CT_DoLog EXTRA "Building headers"
yann@850:     CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers
yann@850: 
yann@850:     CT_DoLog EXTRA "Installing headers"
yann@1027:     CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" install_headers
yann@850: 
yann@850:     CT_EndStep
yann@850: }
yann@850: 
yann@850: # Build and install start files
yann@850: do_libc_start_files() {
yann@850:     :
yann@850: }
yann@850: 
yann@850: # This function build and install the full uClibc
yann@850: do_libc() {
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:     # Simply copy files until uClibc has the ablity to build out-of-tree
yann@850:     CT_DoLog EXTRA "Copying sources to build dir"
yann@850:     { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
yann@850: 
yann@850:     # Retrieve the config file
yann@850:     cp "${CT_BUILD_DIR}/uClibc.config" .config
yann@850: 
yann@850:     # uClibc uses the CROSS environment variable as a prefix to the compiler
yann@850:     # tools to use.  The newly built tools should be in our path, so we need
yann@850:     # only give the correct name for them.
yann@850:     # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
yann@850:     # depending  on the configuration of the library. That is, they are tailored
yann@850:     # to best fit the target. So it is useless and seems to be a bad thing to
yann@850:     # use LIBC_EXTRA_CFLAGS here.
yann@850:     CT_DoLog EXTRA "Applying configuration"
yann@850:     CT_DoYes "" |CT_DoExecLog ALL               \
yann@850:                  make CROSS=${CT_TARGET}-       \
yann@850:                  PREFIX="${CT_SYSROOT_DIR}/"    \
yann@850:                  oldconfig
yann@850: 
yann@850:     # We do _not_ want to strip anything for now, in case we specifically
yann@850:     # asked for a debug toolchain, thus the STRIPTOOL= assignment
yann@850:     CT_DoLog EXTRA "Building C library"
yann@850:     CT_DoExecLog ALL                    \
yann@850:     make CROSS=${CT_TARGET}-            \
yann@850:          PREFIX="${CT_SYSROOT_DIR}/"    \
yann@850:          STRIPTOOL=true                 \
yann@850:          ${CT_LIBC_UCLIBC_VERBOSITY}    \
yann@850:          all
yann@850: 
yann@850:     # YEM-FIXME: we want to install libraries in $SYSROOT/lib, but we don't want
yann@850:     # to install headers in $SYSROOT/include, thus making only install_runtime.
yann@1027:     # Plus, the headers were previously installed earlier with install_headers,
yann@1027:     # so all should be well. Unfortunately, the install_headers target does not
yann@1027:     # install crti.o and consorts... :-( So reverting to target 'install'.
yann@850:     # Note: PARALLELMFLAGS is not usefull for installation.
yann@850:     # We do _not_ want to strip anything for now, in case we specifically
yann@1027:     # asked for a debug toolchain, hence the STRIPTOOL= assignment
yann@850:     CT_DoLog EXTRA "Installing C library"
yann@850:     CT_DoExecLog ALL                    \
yann@850:     make CROSS=${CT_TARGET}-            \
yann@850:          PREFIX="${CT_SYSROOT_DIR}/"    \
yann@850:          STRIPTOOL=true                 \
yann@850:          ${CT_LIBC_UCLIBC_VERBOSITY}    \
yann@850:          install
yann@850: 
yann@850:     CT_EndStep
yann@850: }
yann@850: 
yann@850: # This function is used to install those components needing the final C compiler
yann@850: do_libc_finish() {
yann@850:     :
yann@850: }
yann@850: 
yann@850: # Initialises the .config file to sensible values
yann@850: # $1: original file
yann@850: # $2: munged file
yann@850: mungeuClibcConfig() {
yann@850:     src_config_file="$1"
yann@850:     dst_config_file="$2"
yann@850:     munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
yann@850: 
yann@850:     # Start with a fresh file
yann@850:     rm -f "${munge_file}"
yann@850:     touch "${munge_file}"
yann@850: 
yann@850:     # Hack our target in the config file.
yann@850:     # Also remove stripping: its the responsibility of the
yann@850:     # firmware builder to strip or not.
yann@850:     cat >>"${munge_file}" <<-ENDSED
yann@850: s/^(TARGET_.*)=y$/# \\1 is not set/
yann@850: s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/
yann@850: s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/
yann@850: s/.*(DOSTRIP).*/# \\1 is not set/
yann@850: ENDSED
yann@850: 
yann@850:     # Ah. We may one day need architecture-specific handler here...
yann@850:     # Hack the ARM {E,O}ABI into the config file
yann@850:     if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then
yann@850:         cat >>"${munge_file}" <<-ENDSED
yann@850: s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/
yann@850: s/.*(CONFIG_ARM_EABI).*/\\1=y/
yann@850: ENDSED
yann@850:     else
yann@850:         cat >>"${munge_file}" <<-ENDSED
yann@850: s/.*(CONFIG_ARM_OABI).*/\\1=y/
yann@850: s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/
yann@850: ENDSED
yann@850:     fi
yann@850: 
yann@850:     # Accomodate for old and new uClibc versions, where the
yann@850:     # way to select between big/little endian has changed
yann@850:     case "${CT_ARCH_BE},${CT_ARCH_LE}" in
yann@850:         y,) cat >>"${munge_file}" <<-ENDSED
yann@850: s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
yann@850: s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
yann@850: s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
yann@850: s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
yann@850: ENDSED
yann@850:         ;;
yann@850:         ,y) cat >>"${munge_file}" <<-ENDSED
yann@850: s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
yann@850: s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
yann@850: s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
yann@850: s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
yann@850: ENDSED
yann@850:         ;;
yann@850:     esac
yann@850: 
yann@850:     # Accomodate for old and new uClibc version, where the
yann@850:     # way to select between hard/soft float has changed
yann@850:     case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
yann@850:         y,) cat >>"${munge_file}" <<-ENDSED
yann@850: s/^[^_]*(HAS_FPU).*/\\1=y/
yann@850: s/.*(UCLIBC_HAS_FPU).*/\\1=y/
yann@850: ENDSED
yann@850:             ;;
yann@850:         ,y) cat >>"${munge_file}" <<-ENDSED
yann@850: s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/
yann@850: s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
yann@850: ENDSED
yann@850:             ;;
yann@850:     esac
yann@850: 
yann@850:     # Change paths to work with crosstool-NG
yann@850:     # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
yann@850:     #  " we just want the kernel headers, not the whole kernel source ...
yann@850:     #  " so people may need to update their paths slightly
yann@850:     quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')
yann@850:     quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')
yann@850:     # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
yann@850:     # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
yann@850:     # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
yann@850:     # newer versions use KERNEL_HEADERS (which is right). See:
yann@850:     cat >>"${munge_file}" <<-ENDSED
yann@850: s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
yann@850: s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
yann@850: s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
yann@850: s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
yann@850: s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
yann@850: s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
yann@850: ENDSED
yann@850: 
yann@850:     if [ "${CT_USE_PIPES}" = "y" ]; then
yann@850:         if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
yann@850:             # Good, there is special provision for such things as -pipe!
yann@850:             cat >>"${munge_file}" <<-ENDSED
yann@850: s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
yann@850: ENDSED
yann@850:         else
yann@850:             # Hack our -pipe into WARNINGS, which will be internally incorporated to
yann@850:             # CFLAGS. This a dirty hack, but yet needed
yann@850:             cat >> "${munge_file}" <<-ENDSED
yann@850: s/^(WARNINGS=".*)"$/\\1 -pipe"/
yann@850: ENDSED
yann@850:         fi
yann@850:     fi
yann@850: 
yann@850:     # Force on options needed for C++ if we'll be making a C++ compiler.
yann@850:     # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
yann@850:     # entirely if LOCALE is not set.  If LOCALE was already set, we'll
yann@850:     # assume the user has already made all the appropriate generation
yann@850:     # arrangements.  Note that having the uClibc Makefile download the
yann@850:     # pregenerated locales is not compatible with crosstool; besides,
yann@850:     # crosstool downloads them as part of getandpatch.sh.
yann@850:     if [ "${CT_CC_LANG_CXX}" = "y" ]; then
yann@850:         cat >>"${munge_file}" <<-ENDSED
yann@850: s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
yann@850: s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
yann@850: # Add these three lines when doing C++?
yann@850: s/^# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/
yann@850: #s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\nUCLIBC_PREGENERATED_LOCALE_DATA=y\\n\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\n\\# UCLIBC_HAS_XLOCALE is not set/
yann@850: s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
yann@850: ENDSED
yann@850:     fi
yann@850: 
yann@850:     # Always build the libpthread_db
yann@850:     cat >>"${munge_file}" <<-ENDSED
yann@850: s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
yann@850: ENDSED
yann@850: 
yann@850:     # Force on debug options if asked for
yann@850:     case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
yann@850:       0)
yann@850:         cat >>"${munge_file}" <<-ENDSED
yann@850: s/^DODEBUG=y/# DODEBUG is not set/
yann@850: s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
yann@850: s/^DOASSERTS=y/# DOASSERTS is not set/
yann@850: s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
yann@850: s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
yann@850: s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
yann@850: ENDSED
yann@850:         ;;
yann@850:       1)
yann@850:         cat >>"${munge_file}" <<-ENDSED
yann@850: s/^# DODEBUG is not set.*/DODEBUG=y/
yann@850: s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
yann@850: s/^DOASSERTS=y/# DOASSERTS is not set/
yann@850: s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
yann@850: s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
yann@850: s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
yann@850: ENDSED
yann@850:         ;;
yann@850:       2)
yann@850:         cat >>"${munge_file}" <<-ENDSED
yann@850: s/^# DODEBUG is not set.*/DODEBUG=y/
yann@850: s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
yann@850: s/^# DOASSERTS is not set.*/DOASSERTS=y/
yann@850: s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
yann@850: s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
yann@850: s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
yann@850: ENDSED
yann@850:         ;;
yann@850:     esac
yann@850:     sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"
yann@850: }