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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
dump_toolchain_settings() {
echo
einfo "$*"
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
}
glibc_do_configure() {
# Glibc does not work with gold (for various reasons) #269274.
tc-ld-disable-gold
dump_toolchain_settings "Configuring glibc for $1"
local myconf=()
# set addons
pushd "${S}" > /dev/null
local addons=$(echo */configure | sed \
-e 's:/configure::g' \
-e 's:\(linuxthreads\|nptl\|rtkaio\|glibc-compat\)\( \|$\)::g' \
-e 's: \+$::' \
-e 's! !,!g' \
-e 's!^!,!' \
-e '/^,\*$/d')
[[ -d ports ]] && addons+=",ports"
popd > /dev/null
myconf+=( $(use_enable hardened stackguard-randomization) )
if has_version '<sys-libs/glibc-2.13' ; then
myconf+=( --enable-old-ssp-compat )
fi
[[ $(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}"
myconf+=( --enable-kernel=${NPTL_KERN_VER} )
else
die "invalid pthread option"
fi
myconf+=( --enable-add-ons="${addons#,}" )
# Since SELinux support is only required for nscd, only enable it if:
# 1. USE selinux
# 2. only for the primary ABI on multilib systems
# 3. Not a crosscompile
if ! is_crosscompile && use selinux ; then
if use multilib ; then
if is_final_abi ; then
myconf+=( --with-selinux )
else
myconf+=( --without-selinux )
fi
else
myconf+=( --with-selinux )
fi
else
myconf+=( --without-selinux )
fi
# Force a few tests where we always know the answer but
# configure is incapable of finding it.
if is_crosscompile ; then
export \
libc_cv_c_cleanup=yes \
libc_cv_forced_unwind=yes
fi
myconf+=(
--without-cvs
--disable-werror
--enable-bind-now
--build=${CBUILD_OPT:-${CBUILD}}
--host=${CTARGET_OPT:-${CTARGET}}
$(use_enable profile)
$(use_with gd)
--with-headers="$(alt_build_headers)"
--prefix="${TPREFIX}"/usr
--sysconfdir="${TPREFIX}"/etc
--localstatedir="${TPREFIX}"/var
--libdir="${TPREFIX}"/usr/$(get_libdir)
--mandir="${TPREFIX}"/usr/share/man
--infodir="${TPREFIX}"/usr/share/info
--libexecdir="${TPREFIX}"/usr/$(get_libdir)/misc/glibc
--with-bugurl=http://bugs.gentoo.org/
--with-pkgversion="$(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+=( $(use_enable vanilla timezone-tools) )
fi
# These libs don't have configure flags.
ac_cv_lib_audit_audit_log_user_avc_message=$(in_iuse audit && usex audit || echo no)
ac_cv_lib_cap_cap_init=$(in_iuse caps && usex caps || echo no)
# There is no configure option for this and we need to export it
# since the glibc build will re-run configure on itself
export libc_cv_slibdir=${TPREFIX}/$(get_libdir)
export libc_cv_rootsbindir=${TPREFIX}/sbin
# We take care of patching our binutils to use both hash styles,
# and many people like to force gnu hash style only, so disable
# 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 "${builddir}"
set -- "${S}"/configure "${myconf[@]}"
echo "$@"
"$@" || die "failed to configure glibc"
# ia64 static cross-compilers are a pita in so much that they
# can't produce static ELFs (as the libgcc.a is broken). so
# disable building of the programs for those targets if it
# doesn't work.
# XXX: We could turn this into a compiler test, but ia64 is
# the only one that matters, so this should be fine for now.
if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then
sed -i '1i+link-static = touch $@' config.make
fi
# If we're trying to migrate between ABI sets, we need
# to lie and use a local copy of gcc. Like if the system
# is built with MULTILIB_ABIS="amd64 x86" but we want to
# add x32 to it, gcc/glibc don't yet support x32.
if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib ; then
echo 'main(){}' > "${T}"/test.c
if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then
sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die
mkdir -p sunrpc
cp $(which rpcgen) sunrpc/cross-rpcgen || die
touch -t 202001010101 sunrpc/cross-rpcgen || die
fi
fi
}
toolchain-glibc_headers_configure() {
export ABI=default
local builddir=$(builddir "headers")
mkdir -p "${builddir}"
cd "${builddir}"
# if we don't have a compiler yet, we cant really test it now ...
# hopefully they don't affect header geneation, so let's hope for
# the best here ...
local v vars=(
ac_cv_header_cpuid_h=yes
libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes
libc_cv_asm_cfi_directives=yes
libc_cv_broken_visibility_attribute=no
libc_cv_c_cleanup=yes
libc_cv_forced_unwind=yes
libc_cv_gcc___thread=yes
libc_cv_mlong_double_128=yes
libc_cv_mlong_double_128ibm=yes
libc_cv_ppc_machine=yes
libc_cv_ppc_rel16=yes
libc_cv_predef_{fortify_source,stack_protector}=no
libc_cv_visibility_attribute=yes
libc_cv_z_combreloc=yes
libc_cv_z_execstack=yes
libc_cv_z_initfirst=yes
libc_cv_z_nodelete=yes
libc_cv_z_nodlopen=yes
libc_cv_z_relro=yes
libc_mips_abi=${ABI}
libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard)
# These libs don't have configure flags.
ac_cv_lib_audit_audit_log_user_avc_message=no
ac_cv_lib_cap_cap_init=no
)
einfo "Forcing cached settings:"
for v in "${vars[@]}" ; do
einfo " ${v}"
export ${v}
done
# Blow away some random CC settings that screw things up. #550192
if [[ -d ${S}/sysdeps/mips ]]; then
pushd "${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
popd >/dev/null
fi
local myconf=()
myconf+=(
--disable-sanity-checks
--enable-hacker-mode
--without-cvs
--disable-werror
--enable-bind-now
--build=${CBUILD_OPT:-${CBUILD}}
--host=${CTARGET_OPT:-${CTARGET}}
--with-headers="$(alt_build_headers)"
--prefix="${TPREFIX}"/usr
${EXTRA_ECONF}
)
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.
# So forcing CC/CFLAGS is sane.
set -- "${S}"/configure "${myconf[@]}"
echo "$@"
CC="$(tc-getBUILD_CC)" \
CFLAGS="-O1 -pipe" \
CPPFLAGS="-U_FORTIFY_SOURCE" \
LDFLAGS="" \
"$@" || die "failed to configure glibc"
}
toolchain-glibc_src_configure() {
if just_headers ; then
toolchain-glibc_headers_configure
else
want_linuxthreads && glibc_do_configure linuxthreads
want_nptl && glibc_do_configure nptl
fi
}
eblit-glibc-src_configure() {
foreach_abi toolchain-glibc_src_configure
}
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