require glibc.inc
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require glibc-version.inc
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CVE_CHECK_WHITELIST += "CVE-2020-10029 CVE-2021-27645"
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# glibc https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-1010022
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# glibc https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-1010023
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# glibc https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-1010024
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# Upstream glibc maintainers dispute there is any issue and have no plans to address it further.
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# "this is being treated as a non-security bug and no real threat."
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CVE_CHECK_WHITELIST += "CVE-2019-1010022 CVE-2019-1010023 CVE-2019-1010024"
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# glibc https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-1010025
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# Allows for ASLR bypass so can bypass some hardening, not an exploit in itself, may allow
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# easier access for another. "ASLR bypass itself is not a vulnerability."
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# Potential patch at https://sourceware.org/bugzilla/show_bug.cgi?id=22853
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CVE_CHECK_WHITELIST += "CVE-2019-1010025"
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DEPENDS += "gperf-native bison-native make-native"
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NATIVESDKFIXES ?= ""
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NATIVESDKFIXES:class-nativesdk = "\
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file://0003-nativesdk-glibc-Look-for-host-system-ld.so.cache-as-.patch \
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file://0004-nativesdk-glibc-Fix-buffer-overrun-with-a-relocated-.patch \
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file://0005-nativesdk-glibc-Raise-the-size-of-arrays-containing-.patch \
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file://0006-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch \
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file://0007-nativesdk-glibc-Make-relocatable-install-for-locales.patch \
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file://0008-nativesdk-glibc-Fall-back-to-faccessat-on-faccess2-r.patch \
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"
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SRC_URI = "${GLIBC_GIT_URI};branch=${SRCBRANCH};name=glibc \
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file://etc/ld.so.conf \
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file://generate-supported.mk \
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file://makedbs.sh \
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\
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${NATIVESDKFIXES} \
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file://0009-fsl-e500-e5500-e6500-603e-fsqrt-implementation.patch \
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file://0010-ppc-sqrt-Fix-undefined-reference-to-__sqrt_finite.patch \
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file://0011-__ieee754_sqrt-f-are-now-inline-functions-and-call-o.patch \
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file://0012-Quote-from-bug-1443-which-explains-what-the-patch-do.patch \
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file://0013-eglibc-run-libm-err-tab.pl-with-specific-dirs-in-S.patch \
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file://0014-__ieee754_sqrt-f-are-now-inline-functions-and-call-o.patch \
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file://0015-sysdeps-gnu-configure.ac-handle-correctly-libc_cv_ro.patch \
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file://0016-yes-within-the-path-sets-wrong-config-variables.patch \
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file://0017-timezone-re-written-tzselect-as-posix-sh.patch \
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file://0018-Remove-bash-dependency-for-nscd-init-script.patch \
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file://0019-eglibc-Cross-building-and-testing-instructions.patch \
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file://0020-eglibc-Help-bootstrap-cross-toolchain.patch \
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file://0021-eglibc-Resolve-__fpscr_values-on-SH4.patch \
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file://0022-eglibc-Forward-port-cross-locale-generation-support.patch \
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file://0024-localedef-add-to-archive-uses-a-hard-coded-locale-pa.patch \
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file://0025-elf-dl-deps.c-Make-_dl_build_local_scope-breadth-fir.patch \
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file://0026-intl-Emit-no-lines-in-bison-generated-files.patch \
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file://0027-locale-prevent-maybe-uninitialized-errors-with-Os-BZ.patch \
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file://0028-readlib-Add-OECORE_KNOWN_INTERPRETER_NAMES-to-known-.patch \
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file://0029-wordsize.h-Unify-the-header-between-arm-and-aarch64.patch \
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file://0030-powerpc-Do-not-ask-compiler-for-finding-arch.patch \
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file://0001-CVE-2021-38604.patch \
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file://0002-CVE-2021-38604.patch \
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file://0001-fix-create-thread-failed-in-unprivileged-process-BZ-.patch \
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file://CVE-2021-43396.patch \
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"
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S = "${WORKDIR}/git"
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B = "${WORKDIR}/build-${TARGET_SYS}"
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PACKAGES_DYNAMIC = ""
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# the -isystem in bitbake.conf screws up glibc do_stage
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BUILD_CPPFLAGS = "-I${STAGING_INCDIR_NATIVE}"
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TARGET_CPPFLAGS = "-I${STAGING_DIR_TARGET}${includedir}"
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GLIBC_BROKEN_LOCALES = ""
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GLIBCPIE ??= ""
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EXTRA_OECONF = "--enable-kernel=${OLDEST_KERNEL} \
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--disable-profile \
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--disable-debug --without-gd \
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--enable-clocale=gnu \
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--with-headers=${STAGING_INCDIR} \
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--without-selinux \
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--enable-tunables \
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--enable-bind-now \
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--enable-stack-protector=strong \
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--disable-crypt \
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--with-default-link \
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${@bb.utils.contains_any('SELECTED_OPTIMIZATION', '-O0 -Og', '--disable-werror', '', d)} \
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${GLIBCPIE} \
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${GLIBC_EXTRA_OECONF}"
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EXTRA_OECONF += "${@get_libc_fpu_setting(bb, d)}"
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EXTRA_OECONF:append:x86 = " ${@bb.utils.contains_any('TUNE_FEATURES', 'i586 c3', '--disable-cet', '--enable-cet', d)}"
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EXTRA_OECONF:append:x86-64 = " --enable-cet"
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PACKAGECONFIG ??= "nscd memory-tagging"
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PACKAGECONFIG[nscd] = "--enable-nscd,--disable-nscd"
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PACKAGECONFIG[memory-tagging] = "--enable-memory-tagging,--disable-memory-tagging"
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do_patch:append() {
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bb.build.exec_func('do_fix_readlib_c', d)
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}
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do_fix_readlib_c () {
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sed -i -e 's#OECORE_KNOWN_INTERPRETER_NAMES#${EGLIBC_KNOWN_INTERPRETER_NAMES}#' ${S}/elf/readlib.c
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}
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do_configure () {
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# override this function to avoid the autoconf/automake/aclocal/autoheader
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# calls for now
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# don't pass CPPFLAGS into configure, since it upsets the kernel-headers
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# version check and doesn't really help with anything
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(cd ${S} && gnu-configize) || die "failure in running gnu-configize"
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find ${S} -name "configure" | xargs touch
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CPPFLAGS="" oe_runconf
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}
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LDFLAGS += "-fuse-ld=bfd"
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do_compile () {
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base_do_compile
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echo "Adjust ldd script"
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if [ -n "${RTLDLIST}" ]
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then
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prevrtld=`cat ${B}/elf/ldd | grep "^RTLDLIST=" | sed 's#^RTLDLIST="\?\([^"]*\)"\?$#\1#'`
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# remove duplicate entries
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newrtld=`echo $(printf '%s\n' ${prevrtld} ${RTLDLIST} | LC_ALL=C sort -u)`
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echo "ldd \"${prevrtld} ${RTLDLIST}\" -> \"${newrtld}\""
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sed -i ${B}/elf/ldd -e "s#^RTLDLIST=.*\$#RTLDLIST=\"${newrtld}\"#"
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fi
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}
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require glibc-package.inc
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BBCLASSEXTEND = "nativesdk"
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