1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/scripts/build/libc/uClibc.sh Sun Sep 14 16:21:07 2008 +0000
1.3 @@ -0,0 +1,313 @@
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 +}