scripts/build/libc_uClibc.sh
changeset 850 ef8549b58b6f
parent 849 777bf06ddd8b
child 851 6add2c0b63cd
     1.1 --- a/scripts/build/libc_uClibc.sh	Thu Sep 11 09:02:00 2008 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,313 +0,0 @@
     1.4 -# This file declares functions to install the uClibc C library
     1.5 -# Copyright 2007 Yann E. MORIN
     1.6 -# Licensed under the GPL v2. See COPYING in the root of this package
     1.7 -
     1.8 -do_print_filename() {
     1.9 -    [ "${CT_LIBC}" = "uClibc" ] || return 0
    1.10 -    echo "uClibc-${CT_LIBC_VERSION}"
    1.11 -    [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && echo "uClibc-locale-030818" || true
    1.12 -}
    1.13 -
    1.14 -# Download uClibc
    1.15 -do_libc_get() {
    1.16 -    libc_src="http://www.uclibc.org/downloads
    1.17 -              http://www.uclibc.org/downloads/snapshots
    1.18 -              http://www.uclibc.org/downloads/old-releases"
    1.19 -    # For uClibc, we have almost every thing: releases, and snapshots
    1.20 -    # for the last month or so. We'll have to deal with svn revisions
    1.21 -    # later...
    1.22 -    CT_GetFile "${CT_LIBC_FILE}" ${libc_src}
    1.23 -    # uClibc locales
    1.24 -    [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_GetFile "uClibc-locale-030818" ${libc_src} || true
    1.25 -
    1.26 -    return 0
    1.27 -}
    1.28 -
    1.29 -# Extract uClibc
    1.30 -do_libc_extract() {
    1.31 -    CT_ExtractAndPatch "${CT_LIBC_FILE}"
    1.32 -    # uClibc locales
    1.33 -    [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_ExtractAndPatch "uClibc-locale-030818" || true
    1.34 -
    1.35 -    return 0
    1.36 -}
    1.37 -
    1.38 -# Check that uClibc has been previously configured
    1.39 -do_libc_check_config() {
    1.40 -    CT_DoStep INFO "Checking C library configuration"
    1.41 -
    1.42 -    CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"
    1.43 -
    1.44 -    if egrep '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then
    1.45 -        CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."
    1.46 -        CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."
    1.47 -    fi
    1.48 -
    1.49 -    CT_DoLog EXTRA "Munging uClibc configuration"
    1.50 -    mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_BUILD_DIR}/uClibc.config"
    1.51 -
    1.52 -    CT_EndStep
    1.53 -}
    1.54 -
    1.55 -# This functions installs uClibc's headers
    1.56 -do_libc_headers() {
    1.57 -    # Only need to install bootstrap uClibc headers for gcc-3.0 and above?  Or maybe just gcc-3.3 and above?
    1.58 -    # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
    1.59 -    grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_FILE}/ChangeLog" 2>/dev/null || return 0
    1.60 -
    1.61 -    CT_DoStep INFO "Installing C library headers"
    1.62 -
    1.63 -    mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
    1.64 -    cd "${CT_BUILD_DIR}/build-libc-headers"
    1.65 -
    1.66 -    # Simply copy files until uClibc has the ablity to build out-of-tree
    1.67 -    CT_DoLog EXTRA "Copying sources to build dir"
    1.68 -    { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
    1.69 -
    1.70 -    # Retrieve the config file
    1.71 -    cp "${CT_BUILD_DIR}/uClibc.config" .config
    1.72 -
    1.73 -    # uClibc uses the CROSS environment variable as a prefix to the
    1.74 -    # compiler tools to use.  Setting it to the empty string forces
    1.75 -    # use of the native build host tools, which we need at this
    1.76 -    # stage, as we don't have target tools yet.
    1.77 -    CT_DoLog EXTRA "Applying configuration"
    1.78 -    CT_DoYes "" |CT_DoExecLog ALL make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig
    1.79 -
    1.80 -    CT_DoLog EXTRA "Building headers"
    1.81 -    CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers
    1.82 -
    1.83 -    CT_DoLog EXTRA "Installing headers"
    1.84 -    CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" install_dev
    1.85 -
    1.86 -    CT_EndStep
    1.87 -}
    1.88 -
    1.89 -# Build and install start files
    1.90 -do_libc_start_files() {
    1.91 -    :
    1.92 -}
    1.93 -
    1.94 -# This function build and install the full uClibc
    1.95 -do_libc() {
    1.96 -    CT_DoStep INFO "Installing C library"
    1.97 -
    1.98 -    mkdir -p "${CT_BUILD_DIR}/build-libc"
    1.99 -    cd "${CT_BUILD_DIR}/build-libc"
   1.100 -
   1.101 -    # Simply copy files until uClibc has the ablity to build out-of-tree
   1.102 -    CT_DoLog EXTRA "Copying sources to build dir"
   1.103 -    { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
   1.104 -
   1.105 -    # Retrieve the config file
   1.106 -    cp "${CT_BUILD_DIR}/uClibc.config" .config
   1.107 -
   1.108 -    # uClibc uses the CROSS environment variable as a prefix to the compiler
   1.109 -    # tools to use.  The newly built tools should be in our path, so we need
   1.110 -    # only give the correct name for them.
   1.111 -    # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
   1.112 -    # depending  on the configuration of the library. That is, they are tailored
   1.113 -    # to best fit the target. So it is useless and seems to be a bad thing to
   1.114 -    # use LIBC_EXTRA_CFLAGS here.
   1.115 -    CT_DoLog EXTRA "Applying configuration"
   1.116 -    CT_DoYes "" |CT_DoExecLog ALL               \
   1.117 -                 make CROSS=${CT_TARGET}-       \
   1.118 -                 PREFIX="${CT_SYSROOT_DIR}/"    \
   1.119 -                 oldconfig
   1.120 -
   1.121 -    # We do _not_ want to strip anything for now, in case we specifically
   1.122 -    # asked for a debug toolchain, thus the STRIPTOOL= assignment
   1.123 -    CT_DoLog EXTRA "Building C library"
   1.124 -    CT_DoExecLog ALL                    \
   1.125 -    make CROSS=${CT_TARGET}-            \
   1.126 -         PREFIX="${CT_SYSROOT_DIR}/"    \
   1.127 -         STRIPTOOL=true                 \
   1.128 -         ${CT_LIBC_UCLIBC_VERBOSITY}    \
   1.129 -         all
   1.130 -
   1.131 -    # YEM-FIXME: we want to install libraries in $SYSROOT/lib, but we don't want
   1.132 -    # to install headers in $SYSROOT/include, thus making only install_runtime.
   1.133 -    # Plus, the headers were previously installed earlier with install_dev, so
   1.134 -    # all should be well. Unfortunately, the install_dev target does not install
   1.135 -    # crti.o and consorts... :-( So reverting to target 'install'.
   1.136 -    # Note: PARALLELMFLAGS is not usefull for installation.
   1.137 -    # We do _not_ want to strip anything for now, in case we specifically
   1.138 -    # asked for a debug toolchain, thus the STRIPTOOL= assignment
   1.139 -    CT_DoLog EXTRA "Installing C library"
   1.140 -    CT_DoExecLog ALL                    \
   1.141 -    make CROSS=${CT_TARGET}-            \
   1.142 -         PREFIX="${CT_SYSROOT_DIR}/"    \
   1.143 -         STRIPTOOL=true                 \
   1.144 -         ${CT_LIBC_UCLIBC_VERBOSITY}    \
   1.145 -         install
   1.146 -
   1.147 -    CT_EndStep
   1.148 -}
   1.149 -
   1.150 -# This function is used to install those components needing the final C compiler
   1.151 -do_libc_finish() {
   1.152 -    :
   1.153 -}
   1.154 -
   1.155 -# Initialises the .config file to sensible values
   1.156 -# $1: original file
   1.157 -# $2: munged file
   1.158 -mungeuClibcConfig() {
   1.159 -    src_config_file="$1"
   1.160 -    dst_config_file="$2"
   1.161 -    munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
   1.162 -
   1.163 -    # Start with a fresh file
   1.164 -    rm -f "${munge_file}"
   1.165 -    touch "${munge_file}"
   1.166 -
   1.167 -    # Hack our target in the config file.
   1.168 -    # Also remove stripping: its the responsibility of the
   1.169 -    # firmware builder to strip or not.
   1.170 -    cat >>"${munge_file}" <<-ENDSED
   1.171 -s/^(TARGET_.*)=y$/# \\1 is not set/
   1.172 -s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/
   1.173 -s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/
   1.174 -s/.*(DOSTRIP).*/# \\1 is not set/
   1.175 -ENDSED
   1.176 -
   1.177 -    # Ah. We may one day need architecture-specific handler here...
   1.178 -    # Hack the ARM {E,O}ABI into the config file
   1.179 -    if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then
   1.180 -        cat >>"${munge_file}" <<-ENDSED
   1.181 -s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/
   1.182 -s/.*(CONFIG_ARM_EABI).*/\\1=y/
   1.183 -ENDSED
   1.184 -    else
   1.185 -        cat >>"${munge_file}" <<-ENDSED
   1.186 -s/.*(CONFIG_ARM_OABI).*/\\1=y/
   1.187 -s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/
   1.188 -ENDSED
   1.189 -    fi
   1.190 -
   1.191 -    # Accomodate for old and new uClibc versions, where the
   1.192 -    # way to select between big/little endian has changed
   1.193 -    case "${CT_ARCH_BE},${CT_ARCH_LE}" in
   1.194 -        y,) cat >>"${munge_file}" <<-ENDSED
   1.195 -s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
   1.196 -s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
   1.197 -s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
   1.198 -s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
   1.199 -ENDSED
   1.200 -        ;;
   1.201 -        ,y) cat >>"${munge_file}" <<-ENDSED
   1.202 -s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
   1.203 -s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
   1.204 -s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
   1.205 -s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
   1.206 -ENDSED
   1.207 -        ;;
   1.208 -    esac
   1.209 -
   1.210 -    # Accomodate for old and new uClibc version, where the
   1.211 -    # way to select between hard/soft float has changed
   1.212 -    case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
   1.213 -        y,) cat >>"${munge_file}" <<-ENDSED
   1.214 -s/^[^_]*(HAS_FPU).*/\\1=y/
   1.215 -s/.*(UCLIBC_HAS_FPU).*/\\1=y/
   1.216 -ENDSED
   1.217 -            ;;
   1.218 -        ,y) cat >>"${munge_file}" <<-ENDSED
   1.219 -s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/
   1.220 -s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
   1.221 -ENDSED
   1.222 -            ;;
   1.223 -    esac
   1.224 -
   1.225 -    # Change paths to work with crosstool-NG
   1.226 -    # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
   1.227 -    #  " we just want the kernel headers, not the whole kernel source ...
   1.228 -    #  " so people may need to update their paths slightly
   1.229 -    quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')
   1.230 -    quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')
   1.231 -    # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
   1.232 -    # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
   1.233 -    # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
   1.234 -    # newer versions use KERNEL_HEADERS (which is right). See:
   1.235 -    cat >>"${munge_file}" <<-ENDSED
   1.236 -s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
   1.237 -s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
   1.238 -s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
   1.239 -s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
   1.240 -s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
   1.241 -s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
   1.242 -ENDSED
   1.243 -
   1.244 -    if [ "${CT_USE_PIPES}" = "y" ]; then
   1.245 -        if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
   1.246 -            # Good, there is special provision for such things as -pipe!
   1.247 -            cat >>"${munge_file}" <<-ENDSED
   1.248 -s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
   1.249 -ENDSED
   1.250 -        else
   1.251 -            # Hack our -pipe into WARNINGS, which will be internally incorporated to
   1.252 -            # CFLAGS. This a dirty hack, but yet needed
   1.253 -            cat >> "${munge_file}" <<-ENDSED
   1.254 -s/^(WARNINGS=".*)"$/\\1 -pipe"/
   1.255 -ENDSED
   1.256 -        fi
   1.257 -    fi
   1.258 -
   1.259 -    # Force on options needed for C++ if we'll be making a C++ compiler.
   1.260 -    # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
   1.261 -    # entirely if LOCALE is not set.  If LOCALE was already set, we'll
   1.262 -    # assume the user has already made all the appropriate generation
   1.263 -    # arrangements.  Note that having the uClibc Makefile download the
   1.264 -    # pregenerated locales is not compatible with crosstool; besides,
   1.265 -    # crosstool downloads them as part of getandpatch.sh.
   1.266 -    if [ "${CT_CC_LANG_CXX}" = "y" ]; then
   1.267 -        cat >>"${munge_file}" <<-ENDSED
   1.268 -s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
   1.269 -s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
   1.270 -# Add these three lines when doing C++?
   1.271 -s/^# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/
   1.272 -#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/
   1.273 -s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
   1.274 -ENDSED
   1.275 -    fi
   1.276 -
   1.277 -    # Always build the libpthread_db
   1.278 -    cat >>"${munge_file}" <<-ENDSED
   1.279 -s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
   1.280 -ENDSED
   1.281 -
   1.282 -    # Force on debug options if asked for
   1.283 -    case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
   1.284 -      0)
   1.285 -        cat >>"${munge_file}" <<-ENDSED
   1.286 -s/^DODEBUG=y/# DODEBUG is not set/
   1.287 -s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
   1.288 -s/^DOASSERTS=y/# DOASSERTS is not set/
   1.289 -s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
   1.290 -s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
   1.291 -s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
   1.292 -ENDSED
   1.293 -        ;;
   1.294 -      1)
   1.295 -        cat >>"${munge_file}" <<-ENDSED
   1.296 -s/^# DODEBUG is not set.*/DODEBUG=y/
   1.297 -s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
   1.298 -s/^DOASSERTS=y/# DOASSERTS is not set/
   1.299 -s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
   1.300 -s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
   1.301 -s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
   1.302 -ENDSED
   1.303 -        ;;
   1.304 -      2)
   1.305 -        cat >>"${munge_file}" <<-ENDSED
   1.306 -s/^# DODEBUG is not set.*/DODEBUG=y/
   1.307 -s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
   1.308 -s/^# DOASSERTS is not set.*/DOASSERTS=y/
   1.309 -s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
   1.310 -s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
   1.311 -s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
   1.312 -ENDSED
   1.313 -        ;;
   1.314 -    esac
   1.315 -    sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"
   1.316 -}