# Copyright 1999-2018 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 inherit eutils flag-o-matic multilib toolchain-funcs savedconfig if [[ ${PV} == *9999 ]] ; then EGIT_BRANCH="0.9.33" EGIT_REPO_URI="git://git.busybox.net/uClibc" inherit git-2 fi export CBUILD=${CBUILD:-${CHOST}} export CTARGET=${CTARGET:-${CHOST}} if [[ ${CTARGET} == ${CHOST} ]] ; then if [[ ${CATEGORY} == cross-* ]] ; then export CTARGET=${CATEGORY#cross-} fi fi MY_P=uClibc-${PV} DESCRIPTION="C library for developing embedded Linux systems" HOMEPAGE="https://www.uclibc.org/" if [[ ${PV} != *9999 ]] ; then PATCH_VER="" SRC_URI="https://uclibc.org/downloads/${MY_P}.tar.bz2 ${PATCH_VER:+mirror://gentoo/${MY_P}-patches-${PATCH_VER}.tar.bz2}" KEYWORDS="-* ~amd64 ~arm ~m68k ~mips ~ppc ~sh ~sparc ~x86" fi LICENSE="LGPL-2" SLOT="0" IUSE="debug hardened iconv ipv6 nptl rpc ssp uclibc-compat wordexp headers-only" RESTRICT="strip" # We cannot migrate between uclibc and uclibc-ng because as soon as portage # updates the ld.so sym link, the system breaks. Ideally this should be a # hard blocker, but EAPI=0 doesn't allow hard blockers. RDEPEND="!sys-libs/uclibc-ng" S=${WORKDIR}/${MY_P} is_crosscompile() { [[ ${CHOST} != ${CTARGET} ]] } alt_build_kprefix() { if [[ ${CBUILD} == ${CHOST} && ${CTARGET} == ${CHOST} ]] ; then echo /usr/include else echo /usr/${CTARGET}/usr/include fi } just_headers() { use headers-only && is_crosscompile } uclibc_endian() { # XXX: this wont work for a toolchain which is bi-endian, but we # dont have any such thing at the moment, so not a big deal touch "${T}"/endian.s $(tc-getAS ${CTARGET}) "${T}"/endian.s -o "${T}"/endian.o case $(file "${T}"/endian.o) in *" MSB "*) echo "BIG";; *" LSB "*) echo "LITTLE";; *) echo "NFC";; esac rm -f "${T}"/endian.{s,o} } pkg_setup() { if [ ${CTARGET} = ${CHOST} ] ; then case ${CHOST} in *-uclinux*|*-uclibc*) ;; *) die "Use sys-devel/crossdev to build a uclibc toolchain" ;; esac fi } check_cpu_opts() { case ${CTARGET} in # Need to handle $ABI here w/mips. mips[1234]*) export UCLIBC_CPU="MIPS_ISA_${CTARGET:4:1}";; sh[2345]*) export UCLIBC_CPU="SH${CTARGET:2:1}";; i[3456]86*) export UCLIBC_CPU="${CTARGET:1:1}86";; # XXX: Should figure out how to handle sparc. esac if use nptl ; then case ${CTARGET} in i386*) die "Your target has no support for NPTL" ;; esac fi } kconfig_q_opt() { local flag=$1; shift case ${flag} in y|n) ;; *) flag=$(usex ${flag} y n) ;; esac local var="defs_${flag}" eval "${var}+=( $* )" } get_opt() { ( unset ${1} . ${2:-"${S}"/.config} echo ${!1} ) } src_oldconfig() { yes "" 2>/dev/null | emake -s oldconfig >/dev/null } src_config() { restore_config .config if [ -f .config ]; then src_oldconfig return 0 else ewarn "Could not locate user configfile, so we will save a default one" fi emake ARCH=${target} defconfig >/dev/null || die local defs_{y,n} defs defs=( DO{DEBUG_PT,ASSERTS} SUPPORT_LD_DEBUG_EARLY UCLIBC_HAS_PROFILING ) kconfig_q_opt n "${defs[@]}" kconfig_q_opt debug DODEBUG SUPPORT_LD_DEBUG sed -i -e '/ARCH_.*_ENDIAN/d' .config kconfig_q_opt y "ARCH_WANTS_$(uclibc_endian)_ENDIAN" if [[ ${CTARGET} == arm* ]] ; then kconfig_q_opt n CONFIG_ARM_OABI kconfig_q_opt y CONFIG_ARM_EABI fi defs=( LDSO_GNU_HASH_SUPPORT MALLOC_GLIBC_COMPAT DO_C99_MATH UCLIBC_HAS_{CTYPE_CHECKED,WCHAR,HEXADECIMAL_FLOATS,GLIBC_CUSTOM_PRINTF,FOPEN_EXCLUSIVE_MODE,GLIBC_CUSTOM_STREAMS,PRINTF_M_SPEC} UCLIBC_HAS_FENV UCLIBC_HAS_{N,}FTW UCLIBC_HAS_GNU_GLOB UCLIBC_HAS_LIBUTIL UCLIBC_HAS_PROGRAM_INVOCATION_NAME UCLIBC_HAS_RESOLVER_SUPPORT UCLIBC_HAS_TZ_FILE_READ_MANY UCLIBC_HAS_UTMPX UCLIBC_SUPPORT_AI_ADDRCONFIG UCLIBC_SUSV3_LEGACY UCLIBC_SUSV3_LEGACY_MACROS UCLIBC_SUSV4_LEGACY UCLIBC_USE_NETLINK PTHREADS_DEBUG_SUPPORT ) kconfig_q_opt y "${defs[@]}" kconfig_q_opt n UCLIBC_HAS_CTYPE_UNSAFE kconfig_q_opt n UCLIBC_HAS_LOCALE kconfig_q_opt n HAS_NO_THREADS kconfig_q_opt ipv6 UCLIBC_HAS_IPV6 kconfig_q_opt nptl UCLIBC_HAS_THREADS_NATIVE kconfig_q_opt !nptl LINUXTHREADS_OLD kconfig_q_opt rpc UCLIBC_HAS_{,{FULL,REENTRANT}_}RPC kconfig_q_opt wordexp UCLIBC_HAS_WORDEXP kconfig_q_opt uclibc-compat UCLIBC_HAS_LIB{NSL,RESOLV}_STUB COMPAT_ATEXIT # we need to do it independently of hardened to get ssp.c built into libc kconfig_q_opt y UCLIBC_HAS_SSP kconfig_q_opt n UCLIBC_HAS_SSP_COMPAT kconfig_q_opt y UCLIBC_HAS_ARC4RANDOM kconfig_q_opt n PROPOLICE_BLOCK_ABRT kconfig_q_opt y PROPOLICE_BLOCK_SEGV # arm/mips do not emit PT_GNU_STACK, but if we enable this here # it will be emitted as RWE, ppc has to be checked, x86 needs it # this option should be used independently of hardened if has $(tc-arch) x86 || has $(tc-arch) ppc ; then kconfig_q_opt y UCLIBC_BUILD_NOEXECSTACK else kconfig_q_opt n UCLIBC_BUILD_NOEXECSTACK fi kconfig_q_opt y UCLIBC_BUILD_RELRO kconfig_q_opt hardened UCLIBC_BUILD_PIE kconfig_q_opt hardened UCLIBC_BUILD_NOW kconfig_q_opt !ssp SSP_QUICK_CANARY kconfig_q_opt ssp UCLIBC_BUILD_SSP local def for def in 1 2 ; do # Run twice as some config opts depend on others being enabled first. for def in ${defs_y[@]} ; do sed -i -e "s:.*\<${def}\>.*set:${def}=y:g" .config done for def in ${defs_n[@]} ; do sed -i -e "s:${def}=y:# ${def} is not set:g" .config done src_oldconfig done einfo "Enabled options:" for def in ${defs_y[@]} ; do einfo " " $(grep "^${def}=y" .config || echo "could not find ${def}") done einfo "Disabled options:" for def in ${defs_n[@]} ; do einfo " " $(grep "^# ${def} is not set" .config || echo "could not find ${def}") done # setup build and run paths sed -i \ -e "/^CROSS_COMPILER_PREFIX/s:=.*:=\"${CTARGET}-\":" \ -e "/^KERNEL_HEADERS/s:=.*:=\"$(alt_build_kprefix)\":" \ -e "/^SHARED_LIB_LOADER_PREFIX/s:=.*:=\"/$(get_libdir)\":" \ -e "/^DEVEL_PREFIX/s:=.*:=\"/usr\":" \ -e "/^RUNTIME_PREFIX/s:=.*:=\"/\":" \ -e "/^UCLIBC_EXTRA_CFLAGS/s:=.*:=\"${UCLIBC_EXTRA_CFLAGS}\":" \ .config || die src_oldconfig } src_unpack() { if [[ ${PV} == *9999 ]] ; then git-2_src_unpack else unpack ${A} fi cd "${S}" if [[ -n ${PATCH_VER} ]] ; then EPATCH_SUFFIX="patch" epatch "${WORKDIR}"/patch fi epatch_user check_cpu_opts echo einfo "Runtime Prefix: /" einfo "Devel Prefix: /usr" einfo "Kernel Prefix: $(alt_build_kprefix)" einfo "CBUILD: ${CBUILD}" einfo "CHOST: ${CHOST}" einfo "CTARGET: ${CTARGET}" einfo "CPU: ${UCLIBC_CPU:-default}" einfo "ENDIAN: $(uclibc_endian)" echo ########## CPU SELECTION ########## local target=$(tc-arch) config_target case ${target} in amd64) target="x86_64";; arm) target="arm"; config_target="GENERIC_ARM";; avr) target="avr32";; mips) target="mips"; config_target="MIPS_ISA_1";; ppc) target="powerpc";; sh) target="sh"; config_target="SH4";; x86) target="i386"; config_target="486";; esac if [[ -n ${config_target} ]] ; then sed -i -e "s:default CONFIG_${config_target}:default CONFIG_${UCLIBC_CPU:-${config_target}}:" \ extra/Configs/Config.${target} || die fi sed -i -e "s:^HOSTCC.*=.*:HOSTCC=$(tc-getBUILD_CC):" Rules.mak src_config if use iconv ; then # Run after make clean, otherwise files removed find ./extra/locale/charmaps -name "*.pairs" > extra/locale/codesets.txt if [[ ! -f /etc/locale.gen ]] ; then # See ./extra/locale/LOCALES for examples die "Please create an appropriate /etc/locale.gen for locale support" fi echo -e "@euro e\n@cyrillic c\n#---\nUTF-8 yes\n8-BIT yes\n#---\n\n" > ./extra/locale/locales.txt cat /etc/locale.gen >> ./extra/locale/locales.txt fi } src_compile() { emake headers || die just_headers && return 0 emake || die if is_crosscompile ; then emake -C utils hostutils || die else emake utils || die fi } src_test() { is_crosscompile && return 0 # assert test fails on pax/grsec enabled kernels - normal # vfork test fails in sandbox (both glibc/uclibc) emake UCLIBC_ONLY=1 check || die } src_install() { local sysroot=${D} is_crosscompile && sysroot+="/usr/${CTARGET}" local target="install" just_headers && target="install_headers" emake DESTDIR="${sysroot}" ${target} || die save_config .config # remove files coming from kernel-headers rm -rf "${sysroot}"/usr/include/{linux,asm*} # Make sure we install the sys-include symlink so that when # we build a 2nd stage cross-compiler, gcc finds the target # system headers correctly. See gcc/doc/gccinstall.info if is_crosscompile ; then dosym usr/include /usr/${CTARGET}/sys-include if ! just_headers && [[ -n $(get_opt HAVE_SHARED) ]] ; then newbin utils/ldconfig.host ${CTARGET}-ldconfig || die newbin utils/ldd.host ${CTARGET}-ldd || die fi return 0 fi emake DESTDIR="${D}" install_utils || die dobin extra/scripts/getent dodoc Changelog* README TODO docs/*.txt DEDICATION.mjn3 } pkg_postinst() { is_crosscompile && return 0 if [ ! -e "${ROOT}"/etc/TZ ] ; then ewarn "Please remember to set your timezone in /etc/TZ" mkdir -p "${ROOT}"/etc echo "UTC" > "${ROOT}"/etc/TZ fi [ "${ROOT}" != "/" ] && return 0 # update cache before reloading init ldconfig # reload init ... /sbin/telinit U 2>/dev/null }