From ca9627e70852f6b2e835660df870fe3ab405882d Mon Sep 17 00:00:00 2001
From: "Suren A. Chilingaryan" <csa@suren.me>
Date: Sun, 1 Sep 2019 00:00:32 +0200
Subject: Initial import

---
 sys-libs/glibc/files/eblits/src_configure.eblit | 252 ++++++++++++++++++++++++
 1 file changed, 252 insertions(+)
 create mode 100644 sys-libs/glibc/files/eblits/src_configure.eblit

(limited to 'sys-libs/glibc/files/eblits/src_configure.eblit')

diff --git a/sys-libs/glibc/files/eblits/src_configure.eblit b/sys-libs/glibc/files/eblits/src_configure.eblit
new file mode 100644
index 0000000..5a85488
--- /dev/null
+++ b/sys-libs/glibc/files/eblits/src_configure.eblit
@@ -0,0 +1,252 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-libs/glibc/files/eblits/src_configure.eblit,v 1.3 2014/12/31 08:20:02 vapier Exp $
+
+dump_toolchain_settings() {
+	echo
+
+	einfo "$*"
+
+	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})
+	# Glibc does not work with gold (for various reasons) #269274.
+	if $(tc-getLD ${CTARGET}) --version | grep -q 'GNU gold' ; then
+		local d="${T}/bfd-linker"
+		mkdir -p "${d}"
+		ln -sf $(which ${CTARGET}-ld.bfd) "${d}"/ld
+		CC+=" -B${d}"
+	fi
+	einfo " $(printf '%15s' 'Manual CC:')   ${CC}"
+	echo
+}
+
+glibc_do_configure() {
+	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
+		--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
+		--with-bugurl=http://bugs.gentoo.org/
+		--with-pkgversion="$(glibc_banner)"
+		$(use_multiarch || echo --disable-multi-arch)
+		--enable-obsolete-rpc
+		$(in_iuse systemtap && use_enable systemtap)
+		$(in_iuse nscd && use_enable nscd)
+		${EXTRA_ECONF}
+	)
+
+	# There is no configure option for this and we need to export it
+	# since the glibc build will re-run configure on itself
+	export libc_cv_slibdir=/$(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
+
+	# 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=${ABI}
+		libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard)
+	)
+	einfo "Forcing cached settings:"
+	for v in "${vars[@]}" ; do
+		einfo " ${v}"
+		export ${v}
+	done
+
+	local ports="" myconf=()
+	myconf+=(
+		--disable-sanity-checks
+		--enable-hacker-mode
+		--without-cvs
+		--enable-bind-now
+		--build=${CBUILD_OPT:-${CBUILD}}
+		--host=${CTARGET_OPT:-${CTARGET}}
+		--with-headers=$(alt_build_headers)
+		--prefix=/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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