275 lines
8.0 KiB
Plaintext
275 lines
8.0 KiB
Plaintext
# Copyright 1999-2015 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id$
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dump_toolchain_settings() {
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echo
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einfo "$*"
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local v
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for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC LD {AS,C,CPP,CXX,LD}FLAGS ; do
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einfo " $(printf '%15s' ${v}:) ${!v}"
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done
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# The glibc configure script doesn't properly use LDFLAGS all the time.
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export CC="$(tc-getCC ${CTARGET}) ${LDFLAGS}"
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einfo " $(printf '%15s' 'Manual CC:') ${CC}"
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echo
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}
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glibc_do_configure() {
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# Glibc does not work with gold (for various reasons) #269274.
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tc-ld-disable-gold
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dump_toolchain_settings "Configuring glibc for $1"
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local myconf=()
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# set addons
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pushd "${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+=",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 || [[ ${LT_KER_VER} == 2.[02].* ]] ; then
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myconf+=( --without-__thread )
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else
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myconf+=( --with-__thread )
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fi
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else
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myconf+=( --without-tls --without-__thread )
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fi
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myconf+=( --disable-sanity-checks )
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addons="linuxthreads${addons}"
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myconf+=( --enable-kernel=${LT_KER_VER} )
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elif [[ $1 == "nptl" ]] ; then
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# Newer versions require nptl, so there is no addon for it.
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version_is_at_least 2.20 || addons="nptl${addons}"
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myconf+=( --enable-kernel=${NPTL_KERN_VER} )
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else
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die "invalid pthread option"
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fi
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myconf+=( --enable-add-ons="${addons#,}" )
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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 ; 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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# Force a few tests where we always know the answer but
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# configure is incapable of finding it.
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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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myconf+=(
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--without-cvs
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--disable-werror
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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=$(alt_build_headers)
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--prefix="${EPREFIX}/usr"
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--sysconfdir="${EPREFIX}/etc"
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--localstatedir="${EPREFIX}/var"
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--libdir='$(prefix)'/$(get_libdir)
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--mandir='$(prefix)'/share/man
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--infodir='$(prefix)'/share/info
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--libexecdir='$(libdir)'/misc/glibc
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--with-bugurl=http://bugs.gentoo.org/
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--with-pkgversion="$(glibc_banner)"
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$(use_multiarch || echo --disable-multi-arch)
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$(in_iuse rpc && use_enable rpc obsolete-rpc || echo --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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# We rely on sys-libs/timezone-data for timezone tools normally.
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if version_is_at_least 2.23 ; then
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myconf+=( $(use_enable vanilla timezone-tools) )
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fi
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# These libs don't have configure flags.
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ac_cv_lib_audit_audit_log_user_avc_message=$(in_iuse audit && usex audit || echo no)
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ac_cv_lib_cap_cap_init=$(in_iuse caps && usex caps || echo no)
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# There is no configure option for this and we need to export it
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# since the glibc build will re-run configure on itself
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export libc_cv_rootsbindir="${EPREFIX}/sbin"
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export libc_cv_slibdir="${EPREFIX}/$(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 builddir=$(builddir "$1")
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mkdir -p "${builddir}"
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cd "${builddir}"
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set -- "${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 $(which rpcgen) sunrpc/cross-rpcgen || die
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touch -t 202001010101 sunrpc/cross-rpcgen || die
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fi
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fi
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}
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toolchain-glibc_headers_configure() {
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export ABI=default
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local builddir=$(builddir "headers")
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mkdir -p "${builddir}"
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cd "${builddir}"
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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_c_cleanup=yes
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libc_cv_forced_unwind=yes
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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=${ABI}
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libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard)
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# These libs don't have configure flags.
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ac_cv_lib_audit_audit_log_user_avc_message=no
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ac_cv_lib_cap_cap_init=no
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)
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einfo "Forcing cached settings:"
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for v in "${vars[@]}" ; do
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einfo " ${v}"
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export ${v}
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done
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# Blow away some random CC settings that screw things up. #550192
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if [[ -d ${S}/sysdeps/mips ]]; then
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pushd "${S}"/sysdeps/mips >/dev/null
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sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die
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sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die
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popd >/dev/null
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fi
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local myconf=()
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myconf+=(
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--disable-sanity-checks
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--enable-hacker-mode
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--without-cvs
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--disable-werror
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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=$(alt_build_headers)
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--prefix="${EPREFIX}/usr"
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${EXTRA_ECONF}
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)
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local addons
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[[ -d ${S}/ports ]] && addons+=",ports"
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# Newer versions require nptl, so there is no addon for it.
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version_is_at_least 2.20 || addons+=",nptl"
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myconf+=( --enable-add-ons="${addons#,}" )
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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.
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set -- "${S}"/configure "${myconf[@]}"
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echo "$@"
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CC="$(tc-getBUILD_CC)" \
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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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toolchain-glibc_src_configure() {
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if just_headers ; then
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toolchain-glibc_headers_configure
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else
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want_linuxthreads && glibc_do_configure linuxthreads
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want_nptl && glibc_do_configure nptl
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fi
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}
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eblit-glibc-src_configure() {
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foreach_abi toolchain-glibc_src_configure
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}
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