yann@1: # This file declares functions to install the uClibc C library
yann@1: # Copyright 2007 Yann E. MORIN
yann@1: # Licensed under the GPL v2. See COPYING in the root of this package
yann@1: 
yann@63: # Download uClibc
yann@63: do_libc_get() {
yann@63: 	libc_src="http://www.uclibc.org/downloads
yann@63:               http://www.uclibc.org/downloads/snapshots
yann@63:               http://www.uclibc.org/downloads/old-releases"
yann@63:     # For uClibc, we have almost every thing: releases, and snapshots
yann@63:     # for the last month or so. We'll have to deal with svn revisions
yann@63:     # later...
yann@63:     CT_GetFile "${CT_LIBC_FILE}" ${libc_src}
yann@63:     # uClibc locales
yann@63:     [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_GetFile "uClibc-locale-030818" ${libc_src}
yann@64: 
yann@64:     return 0
yann@63: }
yann@63: 
yann@63: # Extract uClibc
yann@63: do_libc_extract() {
yann@63:     CT_ExtractAndPatch "${CT_LIBC_FILE}"
yann@63:     # uClibc locales
yann@63:     [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_ExtractAndPatch "uClibc-locale-030818"
yann@64: 
yann@64:     return 0
yann@63: }
yann@1: 
yann@1: # Check that uClibc has been previously configured
yann@1: do_libc_check_config() {
yann@1:     CT_DoStep INFO "Checking C library configuration"
yann@1: 
yann@1:     CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"
yann@1: 
yann@114:     cp "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_SRC_DIR}/uClibc.config"
yann@1: 
yann@1:     if egrep '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then
yann@1:         CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."
yann@1:         CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."
yann@1:     fi
yann@1: 
yann@1:     CT_DoLog EXTRA "Munging uClibc configuration"
yann@114:     mungeuClibcConfig "${CT_SRC_DIR}/uClibc.config"
yann@1: 
yann@1:     CT_EndStep
yann@1: }
yann@1: 
yann@1: # This functions installs uClibc's headers
yann@1: do_libc_headers() {
yann@1:     # Only need to install bootstrap uClibc headers for gcc-3.0 and above?  Or maybe just gcc-3.3 and above?
yann@1:     # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
yann@1:     grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0
yann@1: 
yann@1:     CT_DoStep INFO "Installing C library headers"
yann@1: 
yann@1:     mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
yann@1:     cd "${CT_BUILD_DIR}/build-libc-headers"
yann@1: 
yann@1:     # Simply copy files until uClibc has the ablity to build out-of-tree
yann@1:     CT_DoLog EXTRA "Copying sources to build dir"
yann@1:     { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
yann@1: 
yann@1:     # Retrieve the config file
yann@114:     cp "${CT_SRC_DIR}/uClibc.config" .config
yann@1: 
yann@1:     # uClibc uses the CROSS environment variable as a prefix to the
yann@1:     # compiler tools to use.  Setting it to the empty string forces
yann@1:     # use of the native build host tools, which we need at this
yann@1:     # stage, as we don't have target tools yet.
yann@1:     CT_DoLog EXTRA "Applying configuration"
yann@78:     CT_DoYes "" |make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig 2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     CT_DoLog EXTRA "Building headers"
yann@78:     make ${PARALLELMFLAGS} CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers 2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     CT_DoLog EXTRA "Installing headers"
yann@78:     make CROSS= PREFIX="${CT_SYSROOT_DIR}/" install_dev 2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     CT_EndStep
yann@1: }
yann@1: 
yann@136: # Build and install start files
yann@136: do_libc_start_files() {
yann@136:     :
yann@136: }
yann@136: 
yann@1: # This function build and install the full uClibc
yann@1: do_libc() {
yann@1:     CT_DoStep INFO "Installing C library"
yann@1: 
yann@1:     mkdir -p "${CT_BUILD_DIR}/build-libc"
yann@1:     cd "${CT_BUILD_DIR}/build-libc"
yann@1: 
yann@1:     # Simply copy files until uClibc has the ablity to build out-of-tree
yann@1:     CT_DoLog EXTRA "Copying sources to build dir"
yann@1:     { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
yann@1: 
yann@1:     # Retrieve the config file
yann@114:     cp "${CT_SRC_DIR}/uClibc.config" .config
yann@1: 
yann@1:     # uClibc uses the CROSS environment variable as a prefix to the compiler
yann@1:     # tools to use.  The newly built tools should be in our path, so we need
yann@1:     # only give the correct name for them.
yann@1:     # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
yann@1:     # depending  on the configuration of the library. That is, they are tailored
yann@1:     # to best fit the target. So it is useless and seems to be a bad thing to
yann@1:     # use LIBC_EXTRA_CFLAGS here.
yann@1:     CT_DoLog EXTRA "Applying configuration"
yann@1:     CT_DoYes "" |make ${PARALLELMFLAGS}             \
yann@1:                       CROSS=${CT_TARGET}-           \
yann@1:                       PREFIX="${CT_SYSROOT_DIR}/"   \
yann@78:                       oldconfig                     2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     # We do _not_ want to strip anything for now, in case we specifically
yann@1:     # asked for a debug toolchain, thus the STRIPTOOL= assignment
yann@1:     CT_DoLog EXTRA "Building C library"
yann@1:     make ${PARALLELMFLAGS}              \
yann@1:          CROSS=${CT_TARGET}-            \
yann@1:          PREFIX="${CT_SYSROOT_DIR}/"    \
yann@1:          STRIPTOOL=true                 \
yann@78:          all                            2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     # YEM-FIXME: we want to install libraries in $SYSROOT/lib, but we don't want
yann@1:     # to install headers in $SYSROOT/include, thus making only install_runtime.
yann@1:     # Plus, the headers were previously installed earlier with install_dev, so
yann@1:     # all should be well. Unfortunately, the install_dev target does not install
yann@1:     # crti.o and consorts... :-( So reverting to target 'install'.
yann@1:     # Note: PARALLELMFLAGS is not usefull for installation.
yann@1:     # We do _not_ want to strip anything for now, in case we specifically
yann@1:     # asked for a debug toolchain, thus the STRIPTOOL= assignment
yann@1:     CT_DoLog EXTRA "Installing C library"
yann@1:     make CROSS=${CT_TARGET}-            \
yann@1:          PREFIX="${CT_SYSROOT_DIR}/"    \
yann@1:          STRIPTOOL=true                 \
yann@78:          install                        2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     CT_EndStep
yann@1: }
yann@1: 
yann@1: # This function is used to install those components needing the final C compiler
yann@1: do_libc_finish() {
yann@78:     :
yann@1: }
yann@1: 
yann@1: # Initialises the .config file to sensible values
yann@1: mungeuClibcConfig() {
yann@1:     config_file="$1"
yann@1:     munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
yann@1: 
yann@108:     # Hack our target in the config file.
yann@108:     # Also remove stripping: its the responsibility of the
yann@108:     # firmware builder to strip or not.
yann@1:     cat > "${munge_file}" <<-ENDSED
yann@1: s/^(TARGET_.*)=y$/# \\1 is not set/
yann@1: s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/
yann@1: s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/
yann@108: s/.*(DOSTRIP).*/# \\1 is not set/
yann@1: ENDSED
yann@1: 
yann@108:     # Accomodate for old and new uClibc versions, where the
yann@108:     # way to select between big/little endian has changed
yann@1:     case "${CT_ARCH_BE},${CT_ARCH_LE}" in
yann@1:         y,) cat >> "${munge_file}" <<-ENDSED
yann@108: s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
yann@1: s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
yann@108: s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
yann@108: s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
yann@1: ENDSED
yann@1:         ;;
yann@1:         ,y) cat >> "${munge_file}" <<-ENDSED
yann@108: s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
yann@1: s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
yann@108: s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
yann@108: s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
yann@1: ENDSED
yann@1:         ;;
yann@1:     esac
yann@1: 
yann@108:     # Accomodate for old and new uClibc version, where the
yann@108:     # way to select between hard/soft float has changed
yann@1:     case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
yann@1:         y,) cat >> "${munge_file}" <<-ENDSED
yann@1: s/.*(HAS_FPU).*/\\1=y/
yann@108: s/.*(UCLIBC_HAS_FPU).*/\\1=y/
yann@1: ENDSED
yann@1:             ;;
yann@1:         ,y) cat >> "${munge_file}" <<-ENDSED
yann@1: s/.*(HAS_FPU).*/\\# \\1 is not set/
yann@108: s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
yann@1: ENDSED
yann@1:             ;;
yann@1:     esac
yann@1: 
yann@1:     # Change paths to work with crosstool
yann@1:     # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
yann@1:     #  " we just want the kernel headers, not the whole kernel source ...
yann@1:     #  " so people may need to update their paths slightly
yann@1:     quoted_kernel_source=`echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\\\/,g;'`
yann@1:     quoted_headers_dir=`echo ${CT_HEADERS_DIR} | sed -r -e 's,/,\\\\/,g;'`
yann@1:     # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
yann@1:     # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
yann@1:     # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
yann@1:     # newer versions use KERNEL_HEADERS (which is right). See:
yann@1:     cat >> "${munge_file}" <<-ENDSED
yann@1: s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
yann@1: s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
yann@1: s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
yann@1: s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
yann@1: s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
yann@1: s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
yann@1: ENDSED
yann@1: 
yann@1:     if [ "${CT_USE_PIPES}" = "y" ]; then
yann@108:         if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
yann@108:             # Good, there is special provision for such things as -pipe!
yann@108:             cat >> "${munge_file}" <<-ENDSED
yann@108: s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
yann@108: ENDSED
yann@108:         else
yann@108:             # Hack our -pipe into WARNINGS, which will be internally incorporated to
yann@108:             # CFLAGS. This a dirty hack, but yet needed
yann@108:             cat >> "${munge_file}" <<-ENDSED
yann@1: s/^(WARNINGS=".*)"$/\\1 -pipe"/
yann@1: ENDSED
yann@108:         fi
yann@1:     fi
yann@1: 
yann@1:     # Force on options needed for C++ if we'll be making a C++ compiler.
yann@1:     # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
yann@1:     # entirely if LOCALE is not set.  If LOCALE was already set, we'll
yann@1:     # assume the user has already made all the appropriate generation
yann@1:     # arrangements.  Note that having the uClibc Makefile download the
yann@1:     # pregenerated locales is not compatible with crosstool; besides,
yann@1:     # crosstool downloads them as part of getandpatch.sh.
yann@1:     if [ "${CT_CC_LANG_CXX}" = "y" ]; then
yann@1:         cat >> "${munge_file}" <<-ENDSED
yann@1: s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
yann@1: s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
yann@1: # Add these three lines when doing C++?
yann@1: #s/^# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/
yann@1: #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@1: #s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
yann@1: ENDSED
yann@1:     fi
yann@1: 
yann@1:     # Force on debug options if asked for
yann@1:     case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
yann@1:       0)
yann@1:         cat >>"${munge_file}" <<-ENDSED
yann@1: s/^PTHREADS_DEBUG_SUPPORT=y/# PTHREADS_DEBUG_SUPPORT is not set/
yann@1: s/^DODEBUG=y/# DODEBUG is not set/
yann@1: s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
yann@1: s/^DOASSERTS=y/# DOASSERTS is not set/
yann@1: s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
yann@1: s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
yann@108: s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
yann@1: ENDSED
yann@1:         ;;
yann@1:       1)
yann@1:         cat >>"${munge_file}" <<-ENDSED
yann@1: s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
yann@1: s/^# DODEBUG is not set.*/DODEBUG=y/
yann@1: s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
yann@1: s/^DOASSERTS=y/# DOASSERTS is not set/
yann@1: s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
yann@1: s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
yann@108: s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
yann@1: ENDSED
yann@1:         ;;
yann@1:       2)
yann@1:         cat >>"${munge_file}" <<-ENDSED
yann@1: s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
yann@1: s/^# DODEBUG is not set.*/DODEBUG=y/
yann@1: s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
yann@1: s/^# DOASSERTS is not set.*/DOASSERTS=y/
yann@1: s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
yann@1: s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
yann@108: s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
yann@1: ENDSED
yann@1:         ;;
yann@1:     esac
yann@1:     sed -r -i -f "${munge_file}" "${config_file}"
yann@1:     rm -f "${munge_file}"
yann@1: }