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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-libs/glibc/files/eblits/src_compile.eblit,v 1.28 2012/07/03 20:07:34 vapier Exp $
glibc_do_configure() {
local myconf
einfo "Configuring GLIBC for $1"
# set addons
pushd "${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="${ADDONS},ports"
popd > /dev/null
myconf="${myconf} $(use_enable hardened stackguard-randomization)"
if has_version '<sys-libs/glibc-2.13' ; then
myconf="${myconf} --enable-old-ssp-compat"
fi
[[ ${CTARGET//_/-} == *-softfloat-* ]] && myconf="${myconf} --without-fp"
if [[ $1 == "linuxthreads" ]] ; then
if want_tls ; then
myconf="${myconf} --with-tls"
if ! want__thread || use glibc-compat20 || [[ ${LT_KER_VER} == 2.[02].* ]] ; then
myconf="${myconf} --without-__thread"
else
myconf="${myconf} --with-__thread"
fi
else
myconf="${myconf} --without-tls --without-__thread"
fi
myconf="${myconf} --disable-sanity-checks"
myconf="${myconf} --enable-add-ons=linuxthreads${ADDONS}"
myconf="${myconf} --enable-kernel=${LT_KER_VER}"
elif [[ $1 == "nptl" ]] ; then
myconf="${myconf} --enable-add-ons=nptl${ADDONS}"
myconf="${myconf} --enable-kernel=${NPTL_KERN_VER}"
else
die "invalid pthread option"
fi
# Since SELinux support is only required for nscd, only enable it if:
# 1. USE selinux
# 2. only for the primary ABI on multilib systems
# 3. Not a crosscompile
if ! is_crosscompile && use selinux ; then
if use multilib || has_multilib_profile ; then
if is_final_abi ; then
myconf="${myconf} --with-selinux"
else
myconf="${myconf} --without-selinux"
fi
else
myconf="${myconf} --with-selinux"
fi
else
myconf="${myconf} --without-selinux"
fi
myconf="${myconf}
--without-cvs
--enable-bind-now
--build=${CBUILD_OPT:-${CBUILD}}
--host=${CTARGET_OPT:-${CTARGET}}
$(use_enable profile)
$(use_with gd)
--with-headers=$(alt_build_headers)
--prefix=/usr
--libdir=/usr/$(get_libdir)
--mandir=/usr/share/man
--infodir=/usr/share/info
--libexecdir=/usr/$(get_libdir)/misc/glibc
$(use_multiarch || echo --disable-multi-arch)
--enable-obsolete-rpc
$(in_iuse systemtap && use_enable systemtap)
${EXTRA_ECONF}"
# There is no configure option for this and we need to export it
# since the glibc build will re-run configure on itself
export libc_cv_slibdir=/$(get_libdir)
# 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
local GBUILDDIR=${WORKDIR}/build-${ABI}-${CTARGET}-$1
mkdir -p "${GBUILDDIR}"
cd "${GBUILDDIR}"
echo "${S}"/configure ${myconf}
"${S}"/configure ${myconf} || 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
}
toolchain-glibc_src_compile() {
echo
local v
for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC {AS,C,CPP,CXX,LD}FLAGS ; do
einfo " $(printf '%15s' ${v}:) ${!v}"
done
export CC=$(tc-getCC ${CTARGET})
einfo " $(printf '%15s' 'Manual CC:') ${CC}"
echo
if want_linuxthreads ; then
glibc_do_configure linuxthreads
emake || die "make for ${ABI} failed"
fi
if want_nptl ; then
# ... and then do the optional nptl build
unset LD_ASSUME_KERNEL
glibc_do_configure nptl
emake || die "make for ${ABI} failed"
fi
}
toolchain-glibc_headers_compile() {
local GBUILDDIR=${WORKDIR}/build-${ABI}-${CTARGET}-headers
mkdir -p "${GBUILDDIR}"
cd "${GBUILDDIR}"
# 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 ...
export \
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_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_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
# Pick out the correct location for build headers
local ports="" myconf="--disable-sanity-checks --enable-hacker-mode"
[[ -d ${S}/ports ]] && ports=",ports"
myconf="${myconf}
--enable-add-ons=nptl${ports}
--without-cvs
--enable-bind-now
--build=${CBUILD_OPT:-${CBUILD}}
--host=${CTARGET_OPT:-${CTARGET}}
--with-headers=$(alt_build_headers)
--prefix=/usr
${EXTRA_ECONF}"
# Nothing is compiled here which would affect the headers for the target.
# so forcing CC/CFLAGS is sane. unless you dont have `gcc`. then i
# dont care :p.
echo "${S}"/configure ${myconf}
CC=gcc \
CFLAGS="-O1 -pipe" \
CPPFLAGS="-U_FORTIFY_SOURCE" \
LDFLAGS="" \
"${S}"/configure ${myconf} || die "failed to configure glibc"
}
eblit-glibc-src_compile() {
if is_crosscompile ; then
export \
libc_cv_c_cleanup=yes \
libc_cv_forced_unwind=yes
fi
if just_headers ; then
export ABI=default
toolchain-glibc_headers_compile
return
fi
setup_env
if [[ -z ${OABI} ]] ; then
local abilist=""
if has_multilib_profile ; then
abilist=$(get_install_abis)
elif is_crosscompile || tc-is-cross-compiler ; then
abilist=${DEFAULT_ABI}
fi
einfo "Building glibc for ABIs: ${abilist}"
if [[ -n ${abilist} ]] ; then
OABI=${ABI}
for ABI in ${abilist} ; do
export ABI
src_compile
done
ABI=${OABI}
unset OABI
return 0
fi
fi
toolchain-glibc_src_compile
}
|
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