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269 lines
7.5 KiB
269 lines
7.5 KiB
# Copyright 1999-2014 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/sys-libs/glibc/files/eblits/src_compile.eblit,v 1.38 2014/03/29 05:31:59 vapier Exp $
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glibc_do_configure() {
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local myconf=()
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einfo "Configuring GLIBC for $1"
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# set addons
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pushd "${S}" > /dev/null
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local ADDONS=$(echo */configure | sed \
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-e 's:/configure::g' \
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-e 's:\(linuxthreads\|nptl\|rtkaio\|glibc-compat\)\( \|$\)::g' \
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-e 's: \+$::' \
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-e 's! !,!g' \
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-e 's!^!,!' \
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-e '/^,\*$/d')
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[[ -d ports ]] && ADDONS="${ADDONS},ports"
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popd > /dev/null
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myconf+=( $(use_enable hardened stackguard-randomization) )
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if has_version '<sys-libs/glibc-2.13' ; then
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myconf+=( --enable-old-ssp-compat )
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fi
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[[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp )
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if [[ $1 == "linuxthreads" ]] ; then
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if want_tls ; then
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myconf+=( --with-tls )
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if ! want__thread || use glibc-compat20 || [[ ${LT_KER_VER} == 2.[02].* ]] ; then
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myconf+=( --without-__thread )
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else
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myconf+=( --with-__thread )
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fi
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else
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myconf+=( --without-tls --without-__thread )
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fi
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myconf+=( --disable-sanity-checks )
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myconf+=( --enable-add-ons="linuxthreads${ADDONS}" )
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myconf+=( --enable-kernel=${LT_KER_VER} )
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elif [[ $1 == "nptl" ]] ; then
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myconf+=( --enable-add-ons="nptl${ADDONS}" )
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myconf+=( --enable-kernel=${NPTL_KERN_VER} )
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else
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die "invalid pthread option"
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fi
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# Since SELinux support is only required for nscd, only enable it if:
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# 1. USE selinux
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# 2. only for the primary ABI on multilib systems
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# 3. Not a crosscompile
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if ! is_crosscompile && use selinux ; then
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if use multilib || has_multilib_profile ; then
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if is_final_abi ; then
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myconf+=( --with-selinux )
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else
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myconf+=( --without-selinux )
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fi
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else
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myconf+=( --with-selinux )
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fi
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else
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myconf+=( --without-selinux )
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fi
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myconf+=(
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--without-cvs
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--enable-bind-now
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--build=${CBUILD_OPT:-${CBUILD}}
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--host=${CTARGET_OPT:-${CTARGET}}
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$(use_enable profile)
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$(use_with gd)
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--with-headers=$(alt_build_headers)
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--prefix=/usr
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--libdir=/usr/$(get_libdir)
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--mandir=/usr/share/man
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--infodir=/usr/share/info
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--libexecdir=/usr/$(get_libdir)/misc/glibc
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--with-bugurl=http://bugs.gentoo.org/
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--with-pkgversion="$(glibc_banner)"
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$(use_multiarch || echo --disable-multi-arch)
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--enable-obsolete-rpc
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$(in_iuse systemtap && use_enable systemtap)
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$(in_iuse nscd && use_enable nscd)
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${EXTRA_ECONF}
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)
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# There is no configure option for this and we need to export it
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# since the glibc build will re-run configure on itself
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export libc_cv_slibdir=/$(get_libdir)
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# We take care of patching our binutils to use both hash styles,
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# and many people like to force gnu hash style only, so disable
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# this overriding check. #347761
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export libc_cv_hashstyle=no
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# Overtime, generating info pages can be painful. So disable this for
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# versions older than the latest stable to avoid the issue (this ver
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# should be updated from time to time). #464394 #465816
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if ! version_is_at_least 2.17 ; then
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export ac_cv_prog_MAKEINFO=:
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fi
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local GBUILDDIR=${WORKDIR}/build-${ABI}-${CTARGET}-$1
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mkdir -p "${GBUILDDIR}"
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cd "${GBUILDDIR}"
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set -- "${S}"/configure "${myconf[@]}"
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echo "$@"
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"$@" || die "failed to configure glibc"
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# ia64 static cross-compilers are a pita in so much that they
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# can't produce static ELFs (as the libgcc.a is broken). so
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# disable building of the programs for those targets if it
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# doesn't work.
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# XXX: We could turn this into a compiler test, but ia64 is
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# the only one that matters, so this should be fine for now.
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if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then
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sed -i '1i+link-static = touch $@' config.make
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fi
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# If we're trying to migrate between ABI sets, we need
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# to lie and use a local copy of gcc. Like if the system
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# is built with MULTILIB_ABIS="amd64 x86" but we want to
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# add x32 to it, gcc/glibc don't yet support x32.
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if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib ; then
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echo 'main(){}' > "${T}"/test.c
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if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then
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sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die
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mkdir -p sunrpc
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cp $(which rpcgen) sunrpc/cross-rpcgen || die
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touch -t 202001010101 sunrpc/cross-rpcgen || die
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fi
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fi
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}
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toolchain-glibc_src_compile() {
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echo
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local v
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for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC {AS,C,CPP,CXX,LD}FLAGS ; do
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einfo " $(printf '%15s' ${v}:) ${!v}"
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done
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export CC=$(tc-getCC ${CTARGET})
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# Glibc does not work with gold (for various reasons) #269274.
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if $(tc-getLD ${CTARGET}) --version | grep -q 'GNU gold' ; then
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local d="${T}/bfd-linker"
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mkdir -p "${d}"
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ln -sf $(which ${CTARGET}-ld.bfd) "${d}"/ld
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CC+=" -B${d}"
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fi
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einfo " $(printf '%15s' 'Manual CC:') ${CC}"
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echo
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if want_linuxthreads ; then
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glibc_do_configure linuxthreads
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emake || die "make for ${ABI} failed"
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fi
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if want_nptl ; then
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# ... and then do the optional nptl build
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unset LD_ASSUME_KERNEL
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glibc_do_configure nptl
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emake || die "make for ${ABI} failed"
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fi
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}
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toolchain-glibc_headers_compile() {
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local GBUILDDIR=${WORKDIR}/build-${ABI}-${CTARGET}-headers
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mkdir -p "${GBUILDDIR}"
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cd "${GBUILDDIR}"
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# if we don't have a compiler yet, we cant really test it now ...
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# hopefully they don't affect header geneation, so let's hope for
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# the best here ...
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local v vars=(
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ac_cv_header_cpuid_h=yes
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libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes
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libc_cv_asm_cfi_directives=yes
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libc_cv_broken_visibility_attribute=no
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libc_cv_gcc___thread=yes
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libc_cv_mlong_double_128=yes
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libc_cv_mlong_double_128ibm=yes
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libc_cv_ppc_machine=yes
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libc_cv_ppc_rel16=yes
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libc_cv_predef_{fortify_source,stack_protector}=no
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libc_cv_visibility_attribute=yes
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libc_cv_z_combreloc=yes
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libc_cv_z_execstack=yes
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libc_cv_z_initfirst=yes
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libc_cv_z_nodelete=yes
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libc_cv_z_nodlopen=yes
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libc_cv_z_relro=yes
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libc_mips_abi=${ABI}
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libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard)
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)
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einfo "Forcing cached settings:"
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for v in "${vars[@]}" ; do
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einfo " ${v}"
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export ${v}
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done
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# Pick out the correct location for build headers
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local ports="" myconf=()
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[[ -d ${S}/ports ]] && ports=",ports"
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myconf+=(
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--disable-sanity-checks
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--enable-hacker-mode
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--enable-add-ons=nptl${ports}
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--without-cvs
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--enable-bind-now
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--build=${CBUILD_OPT:-${CBUILD}}
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--host=${CTARGET_OPT:-${CTARGET}}
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--with-headers=$(alt_build_headers)
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--prefix=/usr
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${EXTRA_ECONF}
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)
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# Nothing is compiled here which would affect the headers for the target.
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# so forcing CC/CFLAGS is sane. unless you dont have `gcc`. then i
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# dont care :p.
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set -- "${S}"/configure "${myconf[@]}"
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CC=gcc \
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CFLAGS="-O1 -pipe" \
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CPPFLAGS="-U_FORTIFY_SOURCE" \
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LDFLAGS="" \
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"$@" || die "failed to configure glibc"
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}
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eblit-glibc-src_compile() {
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if is_crosscompile ; then
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export \
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libc_cv_c_cleanup=yes \
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libc_cv_forced_unwind=yes
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fi
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if just_headers ; then
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export ABI=default
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toolchain-glibc_headers_compile
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return
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fi
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setup_env
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if [[ -z ${OABI} ]] ; then
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local abilist=""
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if has_multilib_profile ; then
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abilist=$(get_install_abis)
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elif is_crosscompile || tc-is-cross-compiler ; then
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abilist=${DEFAULT_ABI}
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fi
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einfo "Building glibc for ABIs: ${abilist}"
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if [[ -n ${abilist} ]] ; then
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OABI=${ABI}
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for ABI in ${abilist} ; do
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export ABI
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src_compile
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done
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ABI=${OABI}
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unset OABI
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return 0
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fi
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fi
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toolchain-glibc_src_compile
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}
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