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SUMMARY = "C library for embedded systems"
DESCRIPTION = "The name uClibc is an abbreviation for 'the \
microcontroller C library'. For simplicity, uClibc is pronounced \
'yew-see-lib-see'. The goal of uClibc is to provide as much \
functionality as possible in a small amount of space, and it is intended \
primarily for embedded use. It is also highly configurable in supported \
features, at the cost of ABI differences for different configurations. \
uClibc has been designed from the ground up to be a C library for \
embedded Linux. It is NOT compatible with binaries linked against glibc."
LICENSE = "LGPL"
SECTION = "libs"
PRIORITY = "required"
#
# For now, we will skip building of a gcc package if it is a uclibc one
# and our build is not a uclibc one, and we skip a glibc one if our build
# is a uclibc build.
#
# See the note in gcc/gcc_3.4.0.oe
#
python __anonymous () {
import bb, re
uc_os = (re.match('.*uclibc*', bb.data.getVar('TARGET_OS', d, 1)) != None)
if not uc_os:
raise bb.parse.SkipPackage("incompatible with target %s" %
bb.data.getVar('TARGET_OS', d, 1))
}
PROVIDES += "virtual/libc virtual/${TARGET_PREFIX}libc-for-gcc"
PROVIDES += "${@['virtual/libiconv', ''][bb.data.getVar('USE_NLS', d, 1) != 'yes']}"
DEPENDS = "virtual/${TARGET_PREFIX}binutils \
virtual/${TARGET_PREFIX}gcc-intermediate linux-libc-headers ncurses-native pax-utils-native"
RDEPENDS_${PN}-dev = "linux-libc-headers-dev"
# Blackfin needs a wrapper around ld
#DEPENDS_append_bfin = " elf2flt "
INHIBIT_DEFAULT_DEPS = "1"
PARALLEL_MAKE = ""
PACKAGES =+ "ldd uclibc-utils-dbg uclibc-utils uclibc-gconv uclibc-thread-db"
LEAD_SONAME = "libc.so"
# The last line (gdb and lib1) is for uclinux-uclibc builds
uclibc_baselibs = "${base_libdir}/libcrypt*.so.* ${base_libdir}/libcrypt-*.so \
${base_libdir}/libintl*.so.* ${base_libdir}/libintl-*.so \
${base_libdir}/libnsl*.so.* ${base_libdir}/libnsl-*.so \
${base_libdir}/libresolv*.so.* ${base_libdir}/libresolv-*.so \
${base_libdir}/ld*.so.* ${base_libdir}/ld-*.so \
${base_libdir}/libc*.so.* ${base_libdir}/libuClibc-*.so \
${base_libdir}/libdl*.so.* ${base_libdir}/libdl-*.so \
${base_libdir}/libm*.so.* ${base_libdir}/libm-*.so \
${base_libdir}/libutil*.so.* ${base_libdir}/libutil-*.so \
${base_libdir}/libpthread*.so.* ${base_libdir}/libpthread-*.so \
${base_libdir}/librt*.so.* ${base_libdir}/librt-*.so \
${libdir}/libc.gdb ${libdir}/libc ${base_libdir}/lib1.so \
"
FILES_${PN} = "${sysconfdir} ${uclibc_baselibs} /sbin/ldconfig \
${libexecdir} ${datadir}/zoneinfo ${libdir}/locale"
FILES_ldd = "${bindir}/ldd"
FILES_uclibc-dev += "${libdir}/*.o"
FILES_uclibc-utils = "${bindir} ${sbindir}"
FILES_uclibc-utils-dbg += "${bindir}/.debug ${sbindir}/.debug"
FILES_uclibc-gconv = "${libdir}/gconv"
FILES_uclibc-thread-db = "/lib/libthread_db*"
RPROVIDES_uclibc-dev += "libc-dev"
#
# This locale file gets copied into uClibc-${PV}/extra/locale/ prior to
# build, it does not need to be unpacked, but we can't inhibit the unpacking
# in the current build system.
#
UCLIBC_LOCALE_FILE = "uClibc-locale-030818.tgz"
UCLIBC_LOCALE_FILE_arm = "uClibc-locale-030818.arm.tgz"
UCLIBC_LOCALE_URI = "http://www.uclibc.org/downloads/${UCLIBC_LOCALE_FILE}"
UCLIBC_LOCALE_URI_arm = "http://wiki.openembedded.net/dl/uclibc-locale/${UCLIBC_LOCALE_FILE}"
SRC_URI = "${@['${UCLIBC_LOCALE_URI}', ''][bb.data.getVar('USE_NLS', d, 1) != 'yes']} \
file://uClibc.config \
http://www.uclibc.org/downloads/uClibc-${PV}.tar.bz2 \
"
# do_stage barfs on a CC with whitepspace, therefore put the 'HOST_CC_ARCH' in
# the CFLAGS (for when building the utils).
OEMAKE_NO_CC = "'STRIPTOOL=true' 'LD=${LD}' \
'LOCALE_DATA_FILENAME=${UCLIBC_LOCALE_FILE}'"
EXTRA_OEMAKE = "${OEMAKE_NO_CC} 'CC=${CC}' \
'HOSTCFLAGS=-I${STAGING_INCDIR_NATIVE}' \
ARCH=`grep TARGET_ARCH ${S}/.config|sed -e 's/TARGET_ARCH=//g'`"
EXTRA_OEMAKE_task_do_package = "${OEMAKE_NO_CC}"
KERNEL_SOURCE = "${STAGING_INCDIR}"
KERNEL_HEADERS = "${STAGING_INCDIR}"
# Lets munge this via siteinfo.bbclass as well:
# ARCH_BIG_ENDIAN=y
# ARCH_WANTS_BIG_ENDIAN=y
# ARCH_WANTS_LITTLE_ENDIAN is not set
# How to enable verbose logs:
#export VERBOSE="1"
configmangle = 's,^KERNEL_SOURCE=.*,KERNEL_SOURCE="${KERNEL_SOURCE}",g; \
s,^KERNEL_HEADERS=.*,KERNEL_HEADERS="${KERNEL_HEADERS}",g; \
s,^RUNTIME_PREFIX=.*,RUNTIME_PREFIX="/",g; \
s,^DEVEL_PREFIX=.*,DEVEL_PREFIX="/${prefix}",g; \
s,^SHARED_LIB_LOADER_PATH=.*,SHARED_LIB_LOADER_PATH="/lib",; \
s,^SHARED_LIB_LOADER_PREFIX=.*,SHARED_LIB_LOADER_PREFIX="/lib",; \
s,.*UCLIBC_HAS_WCHAR.*,UCLIBC_HAS_WCHAR=y,g; \
${@["","s,.*UCLIBC_HAS_LOCALE.*,UCLIBC_HAS_LOCALE=y,;"][bb.data.getVar("USE_NLS", d, 1) == "yes"]} \
${@["","s,.*LDSO_GNU_HASH_SUPPORT.*,# LDSO_GNU_HASH_SUPPORT is not set,;"][bb.data.getVar("TARGET_ARCH", d, 1) in ['mips', 'mipsel', 'avr32']]} \
'
CFLAGS := "${@oe_filter_out('-I\S+', '${CFLAGS}', d)}"
python () {
if bb.data.getVar('TARGET_FPU', d, 1) in [ 'soft' ]:
bb.data.setVar('configmangle_append', ' s,^HAS_FPU=y,# HAS_FPU is not set,;', d)
}
uclibcbuild_do_patch() {
ln -sf ${STAGING_INCDIR}/linux ${S}/include/linux
ln -sf ${STAGING_INCDIR}/asm ${S}/include/asm
${@['cp %s/%s extra/locale' % (bb.data.getVar('DL_DIR', d, 1) or '', bb.data.getVar('UCLIBC_LOCALE_FILE', d, 1) or ''), ''][bb.data.getVar('USE_NLS', d, 1) != 'yes']}
}
python do_patch () {
bb.build.exec_func('base_do_patch', d)
bb.build.exec_func('uclibcbuild_do_patch', d)
}
do_configure() {
rm -f ${S}/.config
# For uClibc 0.9.29, OpenEmbedded splits the uClibc.config in two parts:
# uClibc.machine and uClibc.distro. So, if they exist use them, otherwise
# use a uClibc.config
if [ -f ${WORKDIR}/uClibc.machine -a -f ${WORKDIR}/uClibc.distro ]; then
echo "### uClibc.machine ###" >${S}/merged.config
cat ${WORKDIR}/uClibc.machine >>${S}/merged.config
echo "### uClibc.distro ###" >>${S}/merged.config
cat ${WORKDIR}/uClibc.distro >>${S}/merged.config
else
echo "### uClibc.config ###" >${S}/merged.config
cat ${WORKDIR}/uClibc.config >>${S}/merged.config
fi
cp ${S}/merged.config ${S}/.config
# Mangle the resulting .config depending on OE variables
perl -i -p -e 's,^CROSS=.*,TARGET_ARCH=${TARGET_ARCH}\nCROSS=${TARGET_PREFIX},g' ${S}/Rules.mak
sed -i -e s:'$(CROSS)strip':true: ${S}/Rules.mak
perl -i -p -e '${configmangle}' ${S}/.config
sed -i -e '/CONFIG_ARM_EABI/d' ${S}/.config
if [ `echo ${TARGET_ARCH} | grep -e '^arm'` ]; then
if [ `echo ${TARGET_OS} | grep -e 'eabi$'` ]; then
echo "CONFIG_ARM_EABI=y" >> ${S}/.config
else
echo "# CONFIG_ARM_EABI is not set" >> ${S}/.config
fi
fi
yes '' | oe_runmake oldconfig
}
do_install() {
oe_runmake PREFIX=${D} DEVEL_PREFIX=${prefix}/ RUNTIME_PREFIX=/ \
install_dev install_runtime
# Need to overwrite the version from -initial
if [ ! -e ${D}${libdir}/libc.so ]; then
ln -s ../../lib/libc.so.0 ${D}${libdir}/libc.so
fi
# We don't really need this in ${includedir}
rm -f ${D}${prefix}/include/.cvsignore
# This conflicts with the c++ version of this header
rm -f ${D}${prefix}/include/bits/atomicity.h
oe_runmake "SSP_ALL_CFLAGS=${TARGET_LINK_HASH_STYLE}" utils
oe_runmake STRIPTOOL=true PREFIX=${D} DEVEL_PREFIX=${prefix}/ RUNTIME_PREFIX=/ \
install_utils
# oe_runstrip needs +x on files
chmod +x ${D}/${base_libdir}/*
}
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