crosstool-ng: scripts/build/libc/uClibc.sh@734db80cc9b9

     1 # This file declares functions to install the uClibc C library

     2 # Copyright 2007 Yann E. MORIN

     3 # Licensed under the GPL v2. See COPYING in the root of this package

     5 # Download uClibc

     6 do_libc_get() {

     7     libc_src="http://www.uclibc.org/downloads

     8               http://www.uclibc.org/downloads/snapshots

     9               http://www.uclibc.org/downloads/old-releases"

    10     # For uClibc, we have almost every thing: releases, and snapshots

    11     # for the last month or so. We'll have to deal with svn revisions

    12     # later...

    13     CT_GetFile "uClibc-${CT_LIBC_VERSION}" ${libc_src}

    14     # uClibc locales

    15     if [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ]; then

    16         CT_GetFile "uClibc-locale-030818" ${libc_src}

    17     fi

    19     return 0

    20 }

    22 # Extract uClibc

    23 do_libc_extract() {

    24     CT_Extract "uClibc-${CT_LIBC_VERSION}"

    25     CT_Patch "uClibc-${CT_LIBC_VERSION}"

    27     # uClibc locales

    28     if [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ]; then

    29         CT_Pushd "${CT_SRC_DIR}/uClibc-${CT_LIBC_VERSION}/extra/locale"

    30         CT_Extract "uClibc-locale-030818" nochdir

    31         CT_Patch "uClibc-locale-030818" nochdir

    32         CT_Popd

    33     fi

    35     return 0

    36 }

    38 # Check that uClibc has been previously configured

    39 do_libc_check_config() {

    40     CT_DoStep INFO "Checking C library configuration"

    42     CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"

    44     if egrep '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then

    45         CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."

    46         CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."

    47     fi

    49     CT_DoLog EXTRA "Munging uClibc configuration"

    50     mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_BUILD_DIR}/uClibc.config"

    52     CT_EndStep

    53 }

    55 # This functions installs uClibc's headers

    56 do_libc_headers() {

    57     CT_DoStep INFO "Installing C library headers"

    59     mkdir -p "${CT_BUILD_DIR}/build-libc-headers"

    60     cd "${CT_BUILD_DIR}/build-libc-headers"

    62     # Simply copy files until uClibc has the ablity to build out-of-tree

    63     CT_DoLog EXTRA "Copying sources to build dir"

    64     { cd "${CT_SRC_DIR}/uClibc-${CT_LIBC_VERSION}"; tar cf - .; } |tar xf -

    66     # Retrieve the config file

    67     cp "${CT_BUILD_DIR}/uClibc.config" .config

    69     # uClibc uses the CROSS environment variable as a prefix to the

    70     # compiler tools to use.  Setting it to the empty string forces

    71     # use of the native build host tools, which we need at this

    72     # stage, as we don't have target tools yet.

    73     CT_DoLog EXTRA "Applying configuration"

    74     CT_DoYes "" |CT_DoExecLog ALL make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig

    76     CT_DoLog EXTRA "Building headers"

    77     CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers

    79     CT_DoLog EXTRA "Installing headers"

    80     CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" install_headers

    82     CT_EndStep

    83 }

    85 # Build and install start files

    86 do_libc_start_files() {

    87     :

    88 }

    90 # This function build and install the full uClibc

    91 do_libc() {

    92     CT_DoStep INFO "Installing C library"

    94     mkdir -p "${CT_BUILD_DIR}/build-libc"

    95     cd "${CT_BUILD_DIR}/build-libc"

    97     # Simply copy files until uClibc has the ablity to build out-of-tree

    98     CT_DoLog EXTRA "Copying sources to build dir"

    99     { cd "${CT_SRC_DIR}/uClibc-${CT_LIBC_VERSION}"; tar cf - .; } |tar xf -

   101     # Retrieve the config file

   102     cp "${CT_BUILD_DIR}/uClibc.config" .config

   104     # uClibc uses the CROSS environment variable as a prefix to the compiler

   105     # tools to use.  The newly built tools should be in our path, so we need

   106     # only give the correct name for them.

   107     # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,

   108     # depending  on the configuration of the library. That is, they are tailored

   109     # to best fit the target. So it is useless and seems to be a bad thing to

   110     # use LIBC_EXTRA_CFLAGS here.

   111     CT_DoLog EXTRA "Applying configuration"

   112     CT_DoYes "" |CT_DoExecLog ALL               \

   113                  make CROSS=${CT_TARGET}-       \

   114                  PREFIX="${CT_SYSROOT_DIR}/"    \

   115                  oldconfig

   117     # We do _not_ want to strip anything for now, in case we specifically

   118     # asked for a debug toolchain, thus the STRIPTOOL= assignment

   119     # /Old/ versions can not build in //

   120     CT_DoLog EXTRA "Building C library"

   121     CT_DoExecLog ALL                                    \

   122     make ${CT_LIBC_UCLIBC_PARALLEL:+${PARALLELMFLAGS}}  \

   123          CROSS=${CT_TARGET}-                            \

   124          PREFIX="${CT_SYSROOT_DIR}/"                    \

   125          STRIPTOOL=true                                 \

   126          ${CT_LIBC_UCLIBC_VERBOSITY}                    \

   127          all

   129     # YEM-FIXME: we want to install libraries in $SYSROOT/lib, but we don't want

   130     # to install headers in $SYSROOT/include, thus making only install_runtime.

   131     # Plus, the headers were previously installed earlier with install_headers,

   132     # so all should be well. Unfortunately, the install_headers target does not

   133     # install crti.o and consorts... :-( So reverting to target 'install'.

   134     # Note: PARALLELMFLAGS is not usefull for installation.

   135     # We do _not_ want to strip anything for now, in case we specifically

   136     # asked for a debug toolchain, hence the STRIPTOOL= assignment

   137     CT_DoLog EXTRA "Installing C library"

   138     CT_DoExecLog ALL                    \

   139     make CROSS=${CT_TARGET}-            \

   140          PREFIX="${CT_SYSROOT_DIR}/"    \

   141          STRIPTOOL=true                 \

   142          ${CT_LIBC_UCLIBC_VERBOSITY}    \

   143          install

   145     CT_EndStep

   146 }

   148 # This function is used to install those components needing the final C compiler

   149 do_libc_finish() {

   150     # Build and install host-side ldd

   151     CT_DoStep INFO "Finishing C library"

   153     mkdir -p "${CT_BUILD_DIR}/build-libc-finish"

   154     cd "${CT_BUILD_DIR}/build-libc-finish"

   156     # Simply copy files until uClibc has the ablity to build out-of-tree

   157     CT_DoLog EXTRA "Copying sources to build dir"

   158     { cd "${CT_SRC_DIR}/uClibc-${CT_LIBC_VERSION}"; tar cf - .; } |tar xf -

   160     # Retrieve the config file

   161     cp "${CT_BUILD_DIR}/uClibc.config" .config

   163     CT_DoLog EXTRA "Applying configuration"

   164     CT_DoYes "" |CT_DoExecLog ALL               \

   165                  make CROSS=${CT_TARGET}-       \

   166                  PREFIX="${CT_SYSROOT_DIR}/"    \

   167                  oldconfig

   169     CT_DoLog EXTRA "Installing C library host utils"

   170     CT_DoExecLog ALL                    \

   171     make PREFIX="${CT_SYSROOT_DIR}/"    \

   172          ${CT_LIBC_UCLIBC_VERBOSITY}    \

   173          -C utils hostutils

   174     CT_DoExecLog ALL install -m 0755 utils/ldd.host "${CT_PREFIX_DIR}/bin/${CT_TARGET}-ldd"

   176     CT_EndStep

   177 }

   179 # Initialises the .config file to sensible values

   180 # $1: original file

   181 # $2: munged file

   182 mungeuClibcConfig() {

   183     src_config_file="$1"

   184     dst_config_file="$2"

   185     munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"

   187     # Start with a fresh file

   188     rm -f "${munge_file}"

   189     touch "${munge_file}"

   191     # Hack our target in the config file.

   192     # Also remove stripping: its the responsibility of the

   193     # firmware builder to strip or not.

   194     cat >>"${munge_file}" <<-ENDSED

   195 s/^(TARGET_.*)=y$/# \\1 is not set/

   196 s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/

   197 s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/

   198 s/.*(DOSTRIP).*/# \\1 is not set/

   199 ENDSED

   201     # Ah. We may one day need architecture-specific handler here...

   202     # Hack the ARM {E,O}ABI into the config file

   203     if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then

   204         cat >>"${munge_file}" <<-ENDSED

   205 s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/

   206 s/.*(CONFIG_ARM_EABI).*/\\1=y/

   207 ENDSED

   208     else

   209         cat >>"${munge_file}" <<-ENDSED

   210 s/.*(CONFIG_ARM_OABI).*/\\1=y/

   211 s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/

   212 ENDSED

   213     fi

   215     # Accomodate for old and new uClibc versions, where the

   216     # way to select between big/little endian has changed

   217     case "${CT_ARCH_BE},${CT_ARCH_LE}" in

   218         y,) cat >>"${munge_file}" <<-ENDSED

   219 s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/

   220 s/.*(ARCH_BIG_ENDIAN).*/\\1=y/

   221 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/

   222 s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/

   223 ENDSED

   224         ;;

   225         ,y) cat >>"${munge_file}" <<-ENDSED

   226 s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/

   227 s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/

   228 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/

   229 s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/

   230 ENDSED

   231         ;;

   232     esac

   234     # Accomodate for old and new uClibc version, where the

   235     # way to select between hard/soft float has changed

   236     case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in

   237         y,) cat >>"${munge_file}" <<-ENDSED

   238 s/^[^_]*(HAS_FPU).*/\\1=y/

   239 s/.*(UCLIBC_HAS_FPU).*/\\1=y/

   240 ENDSED

   241             ;;

   242         ,y) cat >>"${munge_file}" <<-ENDSED

   243 s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/

   244 s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/

   245 ENDSED

   246             ;;

   247     esac

   249     # Change paths to work with crosstool-NG

   250     # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev

   251     #  " we just want the kernel headers, not the whole kernel source ...

   252     #  " so people may need to update their paths slightly

   253     quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')

   254     quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')

   255     # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line

   256     # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}

   257     # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and

   258     # newer versions use KERNEL_HEADERS (which is right). See:

   259     cat >>"${munge_file}" <<-ENDSED

   260 s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/

   261 s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/

   262 s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/

   263 s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/

   264 s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/

   265 s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/

   266 ENDSED

   268     if [ "${CT_USE_PIPES}" = "y" ]; then

   269         if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then

   270             # Good, there is special provision for such things as -pipe!

   271             cat >>"${munge_file}" <<-ENDSED

   272 s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/

   273 ENDSED

   274         else

   275             # Hack our -pipe into WARNINGS, which will be internally incorporated to

   276             # CFLAGS. This a dirty hack, but yet needed

   277             cat >> "${munge_file}" <<-ENDSED

   278 s/^(WARNINGS=".*)"$/\\1 -pipe"/

   279 ENDSED

   280         fi

   281     fi

   283     # Locales support

   284     # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing

   285     # entirely if LOCALE is not set.  If LOCALE was already set, we'll

   286     # assume the user has already made all the appropriate generation

   287     # arrangements.  Note that having the uClibc Makefile download the

   288     # pregenerated locales is not compatible with crosstool; besides,

   289     # crosstool downloads them as part of getandpatch.sh.

   290     if [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] ; then

   291        cat >>"${munge_file}" <<-ENDSED

   292 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

   293 ENDSED

   294     fi

   296     # Force on options needed for C++ if we'll be making a C++ compiler.

   297     # I'm not sure locales are a requirement for doing C++... Are they?

   298     if [ "${CT_CC_LANG_CXX}" = "y" ]; then

   299         cat >>"${munge_file}" <<-ENDSED

   300 s/^# DO_C99_MATH is not set/DO_C99_MATH=y/

   301 s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/

   302 # Add these three lines when doing C++?

   303 s/^# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/

   304 #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/

   305 s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/

   306 ENDSED

   307     fi

   309     # Always build the libpthread_db

   310     cat >>"${munge_file}" <<-ENDSED

   311 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/

   312 ENDSED

   314     # Force on debug options if asked for

   315     case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in

   316       0)

   317         cat >>"${munge_file}" <<-ENDSED

   318 s/^DODEBUG=y/# DODEBUG is not set/

   319 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/

   320 s/^DOASSERTS=y/# DOASSERTS is not set/

   321 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/

   322 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/

   323 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/

   324 ENDSED

   325         ;;

   326       1)

   327         cat >>"${munge_file}" <<-ENDSED

   328 s/^# DODEBUG is not set.*/DODEBUG=y/

   329 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/

   330 s/^DOASSERTS=y/# DOASSERTS is not set/

   331 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/

   332 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/

   333 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/

   334 ENDSED

   335         ;;

   336       2)

   337         cat >>"${munge_file}" <<-ENDSED

   338 s/^# DODEBUG is not set.*/DODEBUG=y/

   339 s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/

   340 s/^# DOASSERTS is not set.*/DOASSERTS=y/

   341 s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/

   342 s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/

   343 s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/

   344 ENDSED

   345         ;;

   346     esac

   347     sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"

   348 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sat Jan 31 17:38:26 2009 +0000 (2009-01-31)
changeset 1180	734db80cc9b9
parent 1123	8c5881324a79
child 1206	3f1078387d8b
permissions	-rw-r--r--