commit: 97d60d19aa080ba85e9c51b3833bf813ec163bec Author: Andreas K. Hüttel <dilfridge <AT> gentoo <DOT> org> AuthorDate: Tue Sep 5 20:18:37 2017 +0000 Commit: Andreas Hüttel <dilfridge <AT> gentoo <DOT> org> CommitDate: Sat Sep 9 21:21:29 2017 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=97d60d19
sys-libs/glibc: Simplification, removing a lot of outdated cruft and black magic sys-libs/glibc/glibc-2.26-r1.ebuild | 344 ++++++++++++------------------------ 1 file changed, 109 insertions(+), 235 deletions(-) diff --git a/sys-libs/glibc/glibc-2.26-r1.ebuild b/sys-libs/glibc/glibc-2.26-r1.ebuild index 98b89a06c6f..450e89d8f74 100644 --- a/sys-libs/glibc/glibc-2.26-r1.ebuild +++ b/sys-libs/glibc/glibc-2.26-r1.ebuild @@ -3,34 +3,40 @@ EAPI=6 -inherit toolchain-glibc +inherit prefix toolchain-glibc -DESCRIPTION="GNU libc6 (also called glibc2) C library" -HOMEPAGE="https://www.gnu.org/software/libc/libc.html"; +DESCRIPTION="GNU libc C library" +HOMEPAGE="https://www.gnu.org/software/libc/"; LICENSE="LGPL-2.1+ BSD HPND ISC inner-net rc PCRE" -RESTRICT="strip" # strip ourself #46186 +RESTRICT="strip" # Strip ourself #46186 EMULTILIB_PKG="true" # Configuration variables if [[ ${PV} == 9999* ]]; then - EGIT_REPO_URIS="git://sourceware.org/git/glibc.git" - EGIT_SOURCEDIRS="${S}" - inherit git-2 + EGIT_REPO_URI="git://sourceware.org/git/glibc.git" + inherit git-r3 else # KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86" KEYWORDS="" + SRC_URI="mirror://gnu/glibc/${P}.tar.xz" fi RELEASE_VER=${PV} GCC_BOOTSTRAP_VER="4.7.3-r1" -# patches live at https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo/src/patchsets/glibc/ -PATCH_VER="0" # Gentoo patchset -: ${NPTL_KERN_VER:="2.6.32"} # min kernel version nptl requires -IUSE="audit caps debug gd hardened multilib nscd +rpc selinux systemtap profile suid vanilla crosscompile_opts_headers-only" +# Gentoo patchset +PATCH_VER="0" + +SRC_URI+=" https://dev.gentoo.org/~dilfridge/distfiles/${P}-patches-${PATCH_VER}.tar.bz2"; +SRC_URI+=" multilib? ( https://dev.gentoo.org/~dilfridge/distfiles/gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2 )" + +IUSE="audit caps debug gd hardened multilib nscd selinux systemtap profile suid vanilla crosscompile_opts_headers-only" + +# Min kernel version nptl requires +: ${NPTL_KERN_VER:="2.6.32"} # Here's how the cross-compile logic breaks down ... # CTARGET - machine that will target the binaries @@ -58,8 +64,6 @@ is_crosscompile() { [[ ${CHOST} != ${CTARGET} ]] } -# Why SLOT 2.2 you ask yourself while sippin your tea ? -# Everyone knows 2.2 > 0, duh. SLOT="2.2" # General: We need a new-enough binutils/gcc to match upstream baseline. @@ -75,11 +79,13 @@ COMMON_DEPEND=" DEPEND="${COMMON_DEPEND} >=app-misc/pax-utils-0.1.10 !<sys-apps/sandbox-1.6 - !<sys-apps/portage-2.1.2" + !<sys-apps/portage-2.1.2 +" RDEPEND="${COMMON_DEPEND} !sys-kernel/ps3-sources sys-apps/gentoo-functions - !sys-libs/nss-db" + !sys-libs/nss-db +" if [[ ${CATEGORY} == cross-* ]] ; then DEPEND+=" !crosscompile_opts_headers-only? ( @@ -91,33 +97,23 @@ else DEPEND+=" >=sys-devel/binutils-2.24 >=sys-devel/gcc-4.7 - virtual/os-headers" + virtual/os-headers + " RDEPEND+=" vanilla? ( !sys-libs/timezone-data )" PDEPEND+=" !vanilla? ( sys-libs/timezone-data )" fi -upstream_uris() { - echo mirror://gnu/glibc/$1 ftp://sourceware.org/pub/glibc/{releases,snapshots}/$1 mirror://gentoo/$1 -} -gentoo_uris() { - local devspace="HTTP~vapier/dist/URI HTTP~tamiko/distfiles/URI HTTP~dilfridge/distfiles/URI HTTP~slyfox/distfiles/URI" - devspace=${devspace//HTTP/https://dev.gentoo.org/} - echo mirror://gentoo/$1 ${devspace//URI/$1} -} -SRC_URI=$( - [[ -z ${EGIT_REPO_URIS} ]] && upstream_uris ${P}.tar.xz - [[ -n ${PATCH_VER} ]] && gentoo_uris ${P}-patches-${PATCH_VER}.tar.bz2 -) -SRC_URI+=" ${GCC_BOOTSTRAP_VER:+multilib? ( $(gentoo_uris gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2) )}" - # # the phases # pkg_pretend() { - check_devpts + die "This is work in progress. DONT try to use it. dilfridge" - # Prevent native builds from downgrading. + # Make sure devpts is mounted correctly for use w/out setuid pt_chown + check_devpts + + # Prevent native builds from downgrading if [[ ${MERGE_TYPE} != "buildonly" ]] && \ [[ ${ROOT} == "/" ]] && \ [[ ${CBUILD} == ${CHOST} ]] && \ @@ -128,7 +124,7 @@ pkg_pretend() { if has_version ">${CATEGORY}/${P}-r10000" ; then eerror "Sanity check to keep you from breaking your system:" eerror " Downgrading glibc is not supported and a sure way to destruction" - die "aborting to save your system" + die "Aborting to save your system" fi if ! glibc_run_test '#include <pwd.h>\nint main(){return getpwuid(0)==0;}\n' @@ -136,31 +132,31 @@ pkg_pretend() { eerror "Your patched vendor kernel is broken. You need to get an" eerror "update from whoever is providing the kernel to you." eerror "https://sourceware.org/bugzilla/show_bug.cgi?id=5227"; - eerror "http://bugs.gentoo.org/262698"; - die "keeping your system alive, say thank you" + eerror "https://bugs.gentoo.org/262698"; + die "Keeping your system alive, say thank you" fi if ! glibc_run_test '#include <unistd.h>\n#include <sys/syscall.h>\nint main(){return syscall(1000)!=-1;}\n' then eerror "Your old kernel is broken. You need to update it to" eerror "a newer version as syscall(<bignum>) will break." - eerror "http://bugs.gentoo.org/279260"; - die "keeping your system alive, say thank you" + eerror "https://bugs.gentoo.org/279260"; + die "Keeping your system alive, say thank you" fi fi - # users have had a chance to phase themselves, time to give em the boot + # Users have had a chance to phase themselves, time to give em the boot if [[ -e ${EROOT}/etc/locale.gen ]] && [[ -e ${EROOT}/etc/locales.build ]] ; then eerror "You still haven't deleted ${EROOT}/etc/locales.build." eerror "Do so now after making sure ${EROOT}/etc/locale.gen is kosher." - die "lazy upgrader detected" + die "Lazy upgrader detected" fi if [[ ${CTARGET} == i386-* ]] ; then eerror "i386 CHOSTs are no longer supported." eerror "Chances are you don't actually want/need i386." - eerror "Please read http://www.gentoo.org/doc/en/change-chost.xml"; - die "please fix your CHOST" + eerror "Please read https://www.gentoo.org/doc/en/change-chost.xml"; + die "Please fix your CHOST" fi if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then @@ -198,61 +194,37 @@ pkg_pretend() { } src_unpack() { - [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2 + use multilib && unpack gcc-${GCC_BOOTSTRAP_VER}-multilib-bootstrap.tar.bz2 setup_env # Check NPTL support _before_ we unpack things to save some time - want_nptl && check_nptl_support - - if [[ -n ${EGIT_REPO_URIS} ]] ; then - local i d - for ((i=0; i<${#EGIT_REPO_URIS[@]}; ++i)) ; do - EGIT_REPO_URI=${EGIT_REPO_URIS[$i]} - EGIT_SOURCEDIR=${EGIT_SOURCEDIRS[$i]} - git-2_src_unpack - done + check_nptl_support + + if [[ -n ${EGIT_REPO_URI} ]] ; then + git-r3_src_unpack else - unpack_pkg + unpack ${PN}.tar.xz fi cd "${S}" touch locale/C-translit.h #185476 #218003 - [[ -n ${LT_VER} ]] && unpack_pkg linuxthreads ${LT_VER} - [[ -n ${PORTS_VER} ]] && unpack_pkg ports ${PORTS_VER} - [[ -n ${LIBIDN_VER} ]] && unpack_pkg libidn - - if [[ -n ${PATCH_VER} ]] ; then - cd "${WORKDIR}" - unpack glibc-${RELEASE_VER}-patches-${PATCH_VER}.tar.bz2 - # pull out all the addons - local d - for d in extra/*/configure ; do - d=${d%/configure} - [[ -d ${S}/${d} ]] && die "${d} already exists in \${S}" - mv "${d}" "${S}" || die "moving ${d} failed" - done - fi + + cd "${WORKDIR}" + unpack glibc-${RELEASE_VER}-patches-${PATCH_VER}.tar.bz2 + # pull out all the addons + local d + for d in extra/*/configure ; do + d=${d%/configure} + [[ -d ${S}/${d} ]] && die "${d} already exists in \${S}" + mv "${d}" "${S}" || die "moving ${d} failed" + done } src_prepare() { - # XXX: We should do the branchupdate, before extracting the manpages and - # infopages else it does not help much (mtimes change if there is a change - # to them with branchupdate) - if [[ -n ${BRANCH_UPDATE} ]] ; then - epatch "${DISTDIR}"/glibc-${RELEASE_VER}-branch-update-${BRANCH_UPDATE}.patch.bz2 - - # Snapshot date patch - einfo "Patching version to display snapshot date ..." - sed -i -e "s:\(#define RELEASE\).*:\1 \"${BRANCH_UPDATE}\":" version.h - fi - - if [[ -n ${PATCH_VER} ]] && ! use vanilla ; then - EPATCH_MULTI_MSG="Applying Gentoo Glibc Patchset ${RELEASE_VER}-${PATCH_VER} ..." \ - EPATCH_EXCLUDE=${GLIBC_PATCH_EXCLUDE} \ - EPATCH_SUFFIX="patch" \ - ARCH=$(tc-arch) \ - epatch "${WORKDIR}"/patches + if ! use vanilla ; then + elog "Applying Gentoo Glibc Patchset ${RELEASE_VER}-${PATCH_VER} ..." + eapply "${WORKDIR}"/patches/*.patch fi if just_headers ; then @@ -265,7 +237,7 @@ src_prepare() { fi fi - eapply_user + default gnuconfig_update @@ -301,7 +273,7 @@ src_prepare() { 4.8.[0-3]|4.9.0) eerror "You need to switch to a newer compiler; gcc-4.8.[0-3] and gcc-4.9.0 miscompile" eerror "glibc. See https://bugs.gentoo.org/547420 for details." - die "need to switch compilers #547420" + die "Need to switch compilers #547420" ;; esac } @@ -310,7 +282,17 @@ glibc_do_configure() { # Glibc does not work with gold (for various reasons) #269274. tc-ld-disable-gold - dump_toolchain_settings "Configuring glibc for $1" + einfo "Configuring glibc for $1" + + local v + for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC LD {AS,C,CPP,CXX,LD}FLAGS ; do + einfo " $(printf '%15s' ${v}:) ${!v}" + done + + # The glibc configure script doesn't properly use LDFLAGS all the time. + export CC="$(tc-getCC ${CTARGET}) ${LDFLAGS}" + einfo " $(printf '%15s' 'Manual CC:') ${CC}" + echo local myconf=() @@ -326,41 +308,12 @@ glibc_do_configure() { [[ -d ports ]] && addons+=",ports" popd > /dev/null - if has_version '<sys-libs/glibc-2.13' ; then - myconf+=( --enable-old-ssp-compat ) - fi - - if version_is_at_least 2.25 ; then - myconf+=( --enable-stack-protector=all ) - fi - - if version_is_at_least 2.25 ; then - myconf+=( --enable-stackguard-randomization ) - else - myconf+=( $(use_enable hardened stackguard-randomization) ) - fi + myconf+=( --enable-stack-protector=all ) + myconf+=( --enable-stackguard-randomization ) [[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp ) - if [[ $1 == "linuxthreads" ]] ; then - if want_tls ; then - myconf+=( --with-tls ) - - if ! want__thread || use glibc-compat20 || [[ ${LT_KER_VER} == 2.[02].* ]] ; then - myconf+=( --without-__thread ) - else - myconf+=( --with-__thread ) - fi - else - myconf+=( --without-tls --without-__thread ) - fi - - myconf+=( --disable-sanity-checks ) - addons="linuxthreads${addons}" - myconf+=( --enable-kernel=${LT_KER_VER} ) - elif [[ $1 == "nptl" ]] ; then - # Newer versions require nptl, so there is no addon for it. - version_is_at_least 2.20 || addons="nptl${addons}" + if [[ $1 == "nptl" ]] ; then myconf+=( --enable-kernel=${NPTL_KERN_VER} ) else die "invalid pthread option" @@ -409,19 +362,16 @@ glibc_do_configure() { --mandir='$(prefix)'/share/man --infodir='$(prefix)'/share/info --libexecdir='$(libdir)'/misc/glibc - --with-bugurl=http://bugs.gentoo.org/ + --with-bugurl=https://bugs.gentoo.org/ --with-pkgversion="$(glibc_banner)" $(use_multiarch || echo --disable-multi-arch) - $(in_iuse rpc && use_enable rpc obsolete-rpc || echo --enable-obsolete-rpc) $(in_iuse systemtap && use_enable systemtap) $(in_iuse nscd && use_enable nscd) ${EXTRA_ECONF} ) # We rely on sys-libs/timezone-data for timezone tools normally. - if version_is_at_least 2.23 ; then - myconf+=( $(use_enable vanilla timezone-tools) ) - fi + myconf+=( $(use_enable vanilla timezone-tools) ) # These libs don't have configure flags. ac_cv_lib_audit_audit_log_user_avc_message=$(in_iuse audit && usex audit || echo no) @@ -437,13 +387,6 @@ glibc_do_configure() { # this overriding check. #347761 export libc_cv_hashstyle=no - # Overtime, generating info pages can be painful. So disable this for - # versions older than the latest stable to avoid the issue (this ver - # should be updated from time to time). #464394 #465816 - if ! version_is_at_least 2.17 ; then - export ac_cv_prog_MAKEINFO=: - fi - local builddir=$(builddir "$1") mkdir -p "${builddir}" cd "${builddir}" @@ -512,11 +455,7 @@ glibc_headers_configure() { ac_cv_lib_audit_audit_log_user_avc_message=no ac_cv_lib_cap_cap_init=no ) - if ! version_is_at_least 2.25 ; then - vars+=( - libc_cv_predef_stack_protector=no - ) - fi + einfo "Forcing cached settings:" for v in "${vars[@]}" ; do einfo " ${v}" @@ -528,14 +467,14 @@ glibc_headers_configure() { pushd "${S}"/sysdeps/mips >/dev/null sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die - if version_is_at_least 2.21 ; then - # Force the mips ABI to the default. This is OK because the set of - # installed headers in this phase is the same between the 3 ABIs. - # If this ever changes, this hack will break, but that's unlikely - # as glibc discourages that behavior. - # https://crbug.com/647033 - sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die - fi + + # Force the mips ABI to the default. This is OK because the set of + # installed headers in this phase is the same between the 3 ABIs. + # If this ever changes, this hack will break, but that's unlikely + # as glibc discourages that behavior. + # https://crbug.com/647033 + sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die + popd >/dev/null fi @@ -555,8 +494,6 @@ glibc_headers_configure() { local addons [[ -d ${S}/ports ]] && addons+=",ports" - # Newer versions require nptl, so there is no addon for it. - version_is_at_least 2.20 || addons+=",nptl" myconf+=( --enable-add-ons="${addons#,}" ) # Nothing is compiled here which would affect the headers for the target. @@ -574,8 +511,7 @@ do_src_configure() { if just_headers ; then glibc_headers_configure else - want_linuxthreads && glibc_do_configure linuxthreads - want_nptl && glibc_do_configure nptl + glibc_do_configure nptl fi } @@ -584,12 +520,7 @@ src_configure() { } do_src_compile() { - local t - for t in linuxthreads nptl ; do - if want_${t} ; then - emake -C "$(builddir ${t})" || die "make ${t} for ${ABI} failed" - fi - done + emake -C "$(builddir nptl)" || die "make nptl for ${ABI} failed" } src_compile() { @@ -602,21 +533,15 @@ src_compile() { glibc_src_test() { cd "$(builddir $1)" - nonfatal emake -j1 check && return 0 - einfo "make check failed - re-running with --keep-going to get the rest of the results" - nonfatal emake -j1 -k check - ewarn "make check failed for ${ABI}-${CTARGET}-$1" - return 1 + emake -j1 check } -glibc_do_src_test() { - local ret=0 t - for t in linuxthreads nptl ; do - if want_${t} ; then - glibc_src_test ${t} - : $(( ret |= $? )) - fi - done +do_src_test() { + local ret=0 + + glibc_src_test nptl + : $(( ret |= $? )) + return ${ret} } @@ -624,62 +549,20 @@ src_test() { # Give tests more time to complete. export TIMEOUTFACTOR=5 - foreach_abi toolchain-glibc_do_src_test || die "tests failed" + foreach_abi do_src_test || die "tests failed" } glibc_do_src_install() { - local builddir=$(builddir $(want_linuxthreads && echo linuxthreads || echo nptl)) + local builddir=$(builddir nptl) cd "${builddir}" emake install_root="${D}$(alt_prefix)" install || die - if want_linuxthreads && want_nptl ; then - einfo "Installing NPTL to $(alt_libdir)/tls/..." - cd "$(builddir nptl)" - dodir $(alt_libdir)/tls $(alt_usrlibdir)/nptl - - local l src_lib - for l in libc libm librt libpthread libthread_db ; do - # take care of shared lib first ... - l=${l}.so - if [[ -e ${l} ]] ; then - src_lib=${l} - else - src_lib=$(eval echo */${l}) - fi - cp -a ${src_lib} "${ED}"$(alt_libdir)/tls/${l} || die "copying nptl ${l}" - fperms a+rx $(alt_libdir)/tls/${l} - dosym ${l} $(alt_libdir)/tls/$(scanelf -qSF'%S#F' ${src_lib}) - - # then grab the linker script or the symlink ... - if [[ -L ${ED}$(alt_usrlibdir)/${l} ]] ; then - dosym $(alt_libdir)/tls/${l} $(alt_usrlibdir)/nptl/${l} - else - sed \ - -e "s:/${l}:/tls/${l}:g" \ - -e "s:/${l/%.so/_nonshared.a}:/nptl/${l/%.so/_nonshared.a}:g" \ - "${ED}"$(alt_usrlibdir)/${l} > "${ED}"$(alt_usrlibdir)/nptl/${l} - fi - - # then grab the static lib ... - src_lib=${src_lib/%.so/.a} - [[ ! -e ${src_lib} ]] && src_lib=${src_lib/%.a/_pic.a} - cp -a ${src_lib} "${ED}"$(alt_usrlibdir)/nptl/ || die "copying nptl ${src_lib}" - src_lib=${src_lib/%.a/_nonshared.a} - if [[ -e ${src_lib} ]] ; then - cp -a ${src_lib} "${ED}"$(alt_usrlibdir)/nptl/ || die "copying nptl ${src_lib}" - fi - done - - # use the nptl linker instead of the linuxthreads one as the linuxthreads - # one may lack TLS support and that can be really bad for business - cp -a elf/ld.so "${ED}"$(alt_libdir)/$(scanelf -qSF'%S#F' elf/ld.so) || die "copying nptl interp" - fi - # Normally real_pv is ${PV}. Live ebuilds are exception, there we need # to infer upstream version: # '#define VERSION "2.26.90"' -> '2.26.90' local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h) + # Newer versions get fancy with libm linkage to include vectorized support. # While we don't really need a ldscript here, portage QA checks get upset. if [[ -e ${ED}$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then @@ -777,10 +660,10 @@ glibc_do_src_install() { "${S}"/localedata/SUPPORTED > "${ED}"/usr/share/i18n/SUPPORTED \ || die "generating /usr/share/i18n/SUPPORTED failed" cd "${WORKDIR}"/extra/locale - dosbin locale-gen || die + dosbin locale-gen doman *.[0-8] insinto /etc - doins locale.gen || die + doins locale.gen # Make sure all the ABI's can find the locales and so we only # have to generate one set @@ -796,34 +679,27 @@ glibc_do_src_install() { # Install misc network config files insinto /etc - doins nscd/nscd.conf posix/gai.conf nss/nsswitch.conf || die - doins "${WORKDIR}"/extra/etc/*.conf || die + doins nscd/nscd.conf posix/gai.conf nss/nsswitch.conf + doins "${WORKDIR}"/extra/etc/*.conf - if ! in_iuse nscd || use nscd ; then - doinitd "${WORKDIR}"/extra/etc/nscd || die + if use nscd ; then + doinitd "${WORKDIR}"/extra/etc/nscd local nscd_args=( -e "s:@PIDFILE@:$(strings "${ED}"/usr/sbin/nscd | grep nscd.pid):" ) - version_is_at_least 2.16 || nscd_args+=( -e 's: --foreground : :' ) + sed -i "${nscd_args[@]}" "${ED}"/etc/init.d/nscd - # Newer versions of glibc include the nscd.service themselves. - # TODO: Drop the $FILESDIR copy once 2.19 goes stable. - if version_is_at_least 2.19 ; then - systemd_dounit nscd/nscd.service || die - systemd_newtmpfilesd nscd/nscd.tmpfiles nscd.conf || die - else - systemd_dounit "${FILESDIR}"/nscd.service || die - systemd_newtmpfilesd "${FILESDIR}"/nscd.tmpfilesd nscd.conf || die - fi + systemd_dounit nscd/nscd.service + systemd_newtmpfilesd nscd/nscd.tmpfiles nscd.conf else # Do this since extra/etc/*.conf above might have nscd.conf. rm -f "${ED}"/etc/nscd.conf fi echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00glibc - doenvd "${T}"/00glibc || die + doenvd "${T}"/00glibc for d in BUGS ChangeLog* CONFORMANCE FAQ NEWS NOTES PROJECTS README* ; do [[ -s ${d} ]] && dodoc ${d} @@ -837,13 +713,11 @@ glibc_do_src_install() { glibc_headers_install() { local builddir=$(builddir "headers") cd "${builddir}" - emake install_root="${D}$(alt_prefix)" install-headers || die - if ! version_is_at_least 2.16 ; then - insinto $(alt_headers)/bits - doins bits/stdio_lim.h || die - fi + emake install_root="${D}$(alt_prefix)" install-headers + insinto $(alt_headers)/gnu - doins "${S}"/include/gnu/stubs.h || die "doins include gnu" + doins "${S}"/include/gnu/stubs.h + # 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
