--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+DESCRIPTION="Utilities for users of Gentoo Prefix"
+HOMEPAGE="https://prefix.gentoo.org/"
+SRC_URI=""
+
+LICENSE="GPL-3"
+SLOT="0"
+
+[[ ${PV} == 9999 ]] ||
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~ppc-aix ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
+
+DEPEND="
+ !app-portage/prefix-chain-setup
+ !sys-apps/prefix-chain-utils
+"
+BDEPEND="${DEPEND}
+ >sys-apps/portage-2.3.62
+"
+# In prefix-stack, these dependencies actually are the @system set,
+# as we rely on the base prefix anyway for package management,
+# which should have a proper @system set.
+# Strictly speaking, only baselayout and gcc-config are necessary
+# (and pthreads4w for Winnt), but it is easier for now to install
+# elt-patches, gentoo-functions and gnuconfig as well, instead of
+# fixing all uses that expect them in EPREFIX rather than BROOT.
+# See als: pkg_preinst
+RDEPEND="${DEPEND}
+ prefix-stack? (
+ >=sys-apps/baselayout-prefix-2.6
+ sys-devel/gcc-config
+ elibc_Winnt? (
+ dev-libs/pthreads4w
+ )
+ app-portage/elt-patches
+ sys-apps/gentoo-functions
+ sys-devel/gnuconfig
+ )
+"
+
+S="${WORKDIR}"
+
+my_unpack() {
+ local infile=$1
+ local outfile=${2:-${infile}}
+ ebegin "extracting ${outfile}"
+ sed -ne "/^: ${infile} /,/EOIN/{/EOIN/d;p}" "${EBUILD}" \
+ > "${outfile}" || die "Failed to unpack ${outfile}"
+ eend $?
+}
+
+src_unpack() {
+ if use prefix-stack ; then
+ my_unpack prefix-stack.bash_login
+ my_unpack prefix-stack.bashrc
+ my_unpack prefix-stack.envd.99stack
+ my_unpack prefix-stack-ccwrap
+ local editor pager
+ for editor in "${EDITOR}" {"${EPREFIX}","${BROOT}"}/bin/nano
+ do
+ [[ -x ${editor} ]] || continue
+ done
+ for pager in "${PAGER}" {"${EPREFIX}","${BROOT}"}/usr/bin/less
+ do
+ [[ -x ${pager} ]] || continue
+ done
+ printf '%s\n' "EDITOR=\"${editor}\"" "PAGER=\"${pager}\"" > 000fallback
+ else
+ my_unpack prefix-stack-setup
+ fi
+ if use prefix; then
+ # does not make sense on vanilla Gentoo
+ my_unpack startprefix
+ fi
+}
+
+my_prefixify() {
+ local ebash eenv
+ if use prefix-stack ; then
+ ebash="${BROOT}/bin/bash"
+ eenv="${BROOT}/usr/bin/env"
+ else
+ ebash="${EPREFIX}/bin/bash"
+ eenv="${EPREFIX}/usr/bin/env"
+ fi
+
+ # the @=@ prevents repoman from believing we set readonly vars
+ sed -e "s,@GENTOO_PORTAGE_BPREFIX@,${BROOT},g" \
+ -e "s,@GENTOO_PORTAGE_EPREFIX@,${EPREFIX},g" \
+ -e "s,@GENTOO_PORTAGE_CHOST@,${CHOST},g" \
+ -e "s,@GENTOO_PORTAGE_EBASH@,${ebash},g" \
+ -e "s,@GENTOO_PORTAGE_EENV@,${eenv},g" \
+ -e "s,@=@,=,g" \
+ -i "$@" || die
+}
+
+src_configure() {
+ # do not eprefixify during unpack, to allow userpatches to apply
+ my_prefixify *
+}
+
+src_install-prefix-stack-ccwrap() {
+ # install toolchain wrapper.
+ local wrapperdir=/usr/${CHOST}/gcc-bin/${CHOST}-${PN}/${PV}
+ local wrappercfg=${CHOST}-${P}
+
+ exeinto $wrapperdir
+ doexe prefix-stack-ccwrap
+
+ local cc
+ for cc in \
+ gcc \
+ g++ \
+ cpp \
+ c++ \
+ windres \
+ ; do
+ dosym prefix-stack-ccwrap $wrapperdir/${CHOST}-${cc}
+ dosym ${CHOST}-${cc} $wrapperdir/${cc}
+ done
+
+ # LDPATH is required to keep gcc-config happy :(
+ cat > ./${wrappercfg} <<-EOF
+ GCC_PATH="${EPREFIX}$wrapperdir"
+ LDPATH="${EPREFIX}$wrapperdir"
+ EOF
+
+ insinto /etc/env.d/gcc
+ doins ./${wrappercfg}
+}
+
+src_install() {
+ if use prefix-stack; then
+ src_install-prefix-stack-ccwrap
+ insinto /etc
+ doins prefix-stack.bash_login
+ insinto /etc/bash
+ newins prefix-stack.bashrc bashrc
+ newenvd prefix-stack.envd.99stack 99stack
+ doenvd 000fallback
+ keepdir /usr/share/aclocal
+ else
+ dobin prefix-stack-setup
+ fi
+ if use prefix; then
+ exeinto /
+ doexe startprefix
+ fi
+}
+
+pkg_preinst() {
+ use prefix-stack || return 0
+ ebegin "Purging @system package set for prefix stack"
+ # In prefix stack we empty out the @system set defined via make.profile,
+ # as we may be using some normal profile, but that @system set applies
+ # to the base prefix only.
+ # Instead, we only put ourselve into the @system set, and have additional
+ # @system packages in our RDEPEND.
+ my_lsprofile() {
+ (
+ cd -P "${1:-.}" || exit 1
+ [[ -r ./parent ]] &&
+ for p in $(<parent)
+ do
+ my_lsprofile "${p}" || exit 1
+ done
+ pwd -P
+ )
+ }
+ local systemset="/etc/portage/profile/packages"
+ dodir "${systemset%/*}"
+ [[ -s ${EROOT}${systemset} ]] &&
+ grep -v "# maintained by ${PN}" \
+ "${EROOT}${systemset}" \
+ > "${ED}${systemset}"
+ local p
+ for p in $(my_lsprofile "${EPREFIX}"/etc/portage/make.profile)
+ do
+ [[ -s ${p}/${systemset##*/} ]] || continue
+ awk '/^[ \t]*[^-#]/{print "-" $1 " # maintained by '"${PN}-${PVR}"'"}' \
+ < "${p}"/packages || die
+ done | sort -u >> "${ED}${systemset}"
+ [[ ${PIPESTATUS[@]} == "0 0" ]] || die "failed to collect for ${systemset}"
+ echo "*${CATEGORY}/${PN} # maintained by ${PN}-${PVR}" >> "${ED}${systemset}" || die
+ eend $?
+}
+
+pkg_postinst() {
+ use prefix-stack || return 0
+ [[ -x ${EROOT}/usr/bin/gcc-config ]] || return 0
+ "${EROOT}"/usr/bin/gcc-config ${CHOST}-${P}
+}
+
+return 0
+
+: startprefix <<'EOIN'
+#!@GENTOO_PORTAGE_EBASH@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# Fabian Groffen <grobian@gentoo.org> -- 2007-03-10
+# Enters the prefix environment by starting a login shell from the
+# prefix. The SHELL environment variable is elevated in order to make
+# applications that start login shells to work, such as `screen`.
+
+# if you come from a substantially polluted environment (another
+# Prefix), a cleanup as follows resolves most oddities I've ever seen:
+# env -i HOME=$HOME TERM=$TERM USER=$USER $SHELL -l
+# hence this script starts the Prefix shell like this
+
+if [[ ${SHELL#@GENTOO_PORTAGE_EPREFIX@} != ${SHELL} ]]
+then
+ echo "You appear to be in prefix already (SHELL=${SHELL})" > /dev/stderr
+ exit -1
+elif [[ ${SHELL#@GENTOO_PORTAGE_BPREFIX@} != ${SHELL} ]] &&
+ [[ ${EPREFIX-unset} == '@GENTOO_PORTAGE_EPREFIX@' ]]
+then
+ echo "You appear to be in stacked prefix already (EPREFIX=${EPREFIX})" > /dev/stderr
+ exit -1
+fi
+
+# What is our prefix?
+EPREFIX@=@'@GENTOO_PORTAGE_EPREFIX@'
+BPREFIX@=@'@GENTOO_PORTAGE_BPREFIX@'
+
+# not all systems have the same location for shells, however what it
+# boils down to, is that we need to know what the shell is, and then we
+# can find it in the bin dir of our prefix
+for SHELL in \
+ "${EPREFIX}/bin/${SHELL##*/}" \
+ "${BPREFIX}/bin/${SHELL##*/}" \
+ ${SHELL##*/}
+do
+ [[ ${SHELL} == */* && -x ${SHELL} ]] && break
+done
+
+# check if the shell exists
+if [[ ${SHELL} != */* ]]
+then
+ echo "Failed to find the Prefix shell, this is probably" > /dev/stderr
+ echo "because you didn't emerge the shell ${SHELL}" > /dev/stderr
+ exit 1
+fi
+
+# set the prefix shell in the environment
+export SHELL
+
+# give a small notice
+echo "Entering Gentoo Prefix ${EPREFIX}"
+# start the login shell, clean the entire environment but what's needed
+RETAIN="HOME=$HOME TERM=$TERM USER=$USER SHELL=$SHELL"
+# PROFILEREAD is necessary on SUSE not to wipe the env on shell start
+[[ -n ${PROFILEREAD} ]] && RETAIN+=" PROFILEREAD=$PROFILEREAD"
+# ssh-agent is handy to keep, of if set, inherit it
+[[ -n ${SSH_AUTH_SOCK} ]] && RETAIN+=" SSH_AUTH_SOCK=$SSH_AUTH_SOCK"
+# if we're on some X terminal, makes sense to inherit that too
+[[ -n ${DISPLAY} ]] && RETAIN+=" DISPLAY=$DISPLAY"
+if [[ -d /proc/registry ]]; then # we're on Cygwin
+ # crucial to Windows but cannot be restored, see
+ # https://cygwin.com/ml/cygwin/2019-08/msg00072.html
+ [[ -n ${SYSTEMDRIVE} ]] && RETAIN+=" SYSTEMDRIVE=$SYSTEMDRIVE"
+ # COMSPEC is to native Windows what SHELL is to *nix
+ [[ -n ${COMSPEC} ]] && RETAIN+=" COMSPEC=$COMSPEC"
+ # some Windows programs (e.g. devenv.exe) need TMP or TEMP
+ [[ -n ${TEMP} ]] && RETAIN+=" TEMP=$TEMP"
+fi
+# do it!
+if [[ ${SHELL#${EPREFIX}} != ${SHELL} ]] ; then
+ '@GENTOO_PORTAGE_EENV@' -i $RETAIN $SHELL -l
+elif [[ ' bash ' == *" ${SHELL##*/} "* ]] ; then
+ # shell coming from different prefix would load it's own
+ # etc/profile upon -l, so we have to override
+ '@GENTOO_PORTAGE_EENV@' -i ${RETAIN} "${SHELL}" --rcfile "${EPREFIX}"/etc/prefix-stack.bash_login -i
+else
+ echo "Only bash is supported with stacked Prefix (you have ${SHELL##*/}), sorry!" > /dev/stderr
+ exit 1
+fi
+# and leave a message when we exit... the shell might return non-zero
+# without having real problems, so don't send alarming messages about
+# that
+echo "Leaving Gentoo Prefix with exit status $?"
+EOIN
+
+: prefix-stack.bashrc <<'EOIN'
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+#
+# In stacked Prefix there is no bash installed, yet
+# etc/bash/bashrc from base Prefix still is useful.
+#
+
+if [[ $- != *i* ]] ; then
+ # Shell is non-interactive, bashrc does not apply
+ return
+fi
+
+if [[ -r @GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc ]] ; then
+ source '@GENTOO_PORTAGE_BPREFIX@/etc/bash/bashrc'
+ # only if base Prefix does have an etc/bash/bashrc, we also
+ # run bashrc snippets provided by packages in stacked Prefix
+ for sh in '@GENTOO_PORTAGE_EPREFIX@'/etc/bash/bashrc.d/* ; do
+ [[ -r ${sh} ]] && source "${sh}"
+ done
+ unset sh
+else
+ # etc/profile does expect etc/bash/bashrc to set PS1
+ PS1='\u@\h \w \$ '
+fi
+EOIN
+
+: prefix-stack.bash_login <<'EOIN'
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+#
+# In stacked Prefix there is no bash installed, so there is
+# no bash able to load this Prefix' profile as login shell.
+# Instead, you can specify this one as bash rcfile to mimic
+# a bash login shell using this stacked Prefix profile.
+#
+
+if [[ -s '@GENTOO_PORTAGE_EPREFIX@/etc/profile' ]] ; then
+ . '@GENTOO_PORTAGE_EPREFIX@/etc/profile'
+fi
+if [[ -s ~/.bash_profile ]] ; then
+ . ~/.bash_profile
+elif [[ -s ~/.bash_login ]] ; then
+ . ~/.bash_login
+elif [[ -s ~/.profile ]] ; then
+ . ~/.profile
+fi
+EOIN
+
+: prefix-stack.envd.99stack <<'EOIN'
+PKG_CONFIG_PATH@=@"@GENTOO_PORTAGE_EPREFIX@/usr/lib/pkgconfig:@GENTOO_PORTAGE_EPREFIX@/usr/share/pkgconfig"
+AT_SYS_M4DIR@=@"@GENTOO_PORTAGE_EPREFIX@/usr/share/aclocal"
+PORTAGE_CONFIGROOT@=@"@GENTOO_PORTAGE_EPREFIX@"
+EPREFIX@=@"@GENTOO_PORTAGE_EPREFIX@"
+EOIN
+
+: prefix-stack-setup <<'EOIN'
+#!@GENTOO_PORTAGE_EPREFIX@/bin/bash
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+PARENT_EPREFIX="@GENTOO_PORTAGE_EPREFIX@"
+PARENT_CHOST="@GENTOO_PORTAGE_CHOST@"
+CHILD_EPREFIX=
+CHILD_PROFILE=
+CHILD_CHOST=
+
+#
+# get ourselfs the functions.sh script for ebegin/eend/etc.
+#
+for f in \
+ /lib/gentoo/functions.sh \
+ /etc/init.d/functions.sh \
+ /sbin/functions.sh \
+; do
+ if [[ -r ${PARENT_EPREFIX}${f} ]] ; then
+ . "${PARENT_EPREFIX}${f}"
+ f=found
+ break
+ fi
+done
+
+if [[ ${f} != found ]] ; then
+ echo "Cannot find Gentoo functions, aborting." >&2
+ exit 1
+fi
+
+for arg in "$@"; do
+ case "${arg}" in
+ --eprefix=*) CHILD_EPREFIX="${arg#--eprefix=}" ;;
+ --profile=*) CHILD_PROFILE="${arg#--profile=}" ;;
+ --chost=*) CHILD_CHOST="${arg#--chost=}" ;;
+
+ --help)
+ einfo "$0 usage:"
+ einfo " --eprefix=[PATH] Path to new EPREFIX to create stacked to the prefix"
+ einfo " where this script is installed (${PARENT_EPREFIX})"
+ einfo " --profile=[PATH] The absolute path to the profile to use. This path"
+ einfo " must point to a directory within ${PARENT_EPREFIX}"
+ einfo " --chost=[CHOST] The CHOST to use for the new EPREFIX, required if"
+ einfo " the profile does not set CHOST, or to override."
+ exit 0
+ ;;
+ esac
+done
+
+#
+# sanity check of given values
+#
+
+test -n "${CHILD_EPREFIX}" || { eerror "no eprefix argument given"; exit 1; }
+test -d "${CHILD_EPREFIX}" && { eerror "${CHILD_EPREFIX} already exists"; exit 1; }
+test -n "${CHILD_PROFILE}" || { eerror "no profile argument given"; exit 1; }
+test -d "${CHILD_PROFILE}" || { eerror "${CHILD_PROFILE} does not exist"; exit 1; }
+
+if [[ -z ${CHILD_CHOST} ]]
+then
+ my_lsprofile() {
+ (
+ cd -P "${1:-.}" || exit 1
+ [[ -r ./parent ]] &&
+ for p in $(<parent)
+ do
+ my_lsprofile "${p}" || exit 1
+ done
+ pwd -P
+ )
+ }
+
+ for profile in $(my_lsprofile "${CHILD_PROFILE}") missing
+ do
+ if [[ ${profile} == missing ]]
+ then
+ eerror "profile does not set CHOST, need --chost argument"
+ exit 1
+ fi
+ [[ -s "${profile}/make.defaults" ]] || continue
+ grep -q '^[ ]*CHOST@=@' "${profile}/make.defaults" && break
+ done
+fi
+
+einfo "creating stacked prefix ${CHILD_EPREFIX}"
+
+#
+# functions needed below.
+#
+eend_exit() {
+ eend $1
+ [[ $1 != 0 ]] && exit 1
+}
+
+#
+# create the directories required to bootstrap the least.
+#
+ebegin "creating directory structure"
+(
+ set -e
+ mkdir -p "${CHILD_EPREFIX}"/var/tmp/portage
+ mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.mask
+ mkdir -p "${CHILD_EPREFIX}"/etc/portage/profile/use.force
+ mkdir -p "${CHILD_EPREFIX}"/etc/portage/env
+ mkdir -p "${CHILD_EPREFIX}"/etc/portage/package.env
+ ln -s "${PARENT_EPREFIX}"/etc/portage/repos.conf "${CHILD_EPREFIX}"/etc/portage/repos.conf
+)
+eend_exit $?
+
+#
+# create a make.conf and set PORTDIR and PORTAGE_TMPDIR
+#
+ebegin "creating make.conf"
+(
+ set -e
+ echo "#"
+ echo "# These are sane default compiler flags, feel free to adopt them as you like."
+ echo "# Extending the flags is done to respect flags probably set by some profile."
+ echo "#"
+ echo "CFLAGS=\"\${CFLAGS} -O2 -pipe\""
+ echo "CXXFLAGS=\"${CXXFLAGS} -O2 -pipe\""
+ echo "MAKEOPTS=\"$(portageq envvar MAKEOPTS)\""
+ niceness=$(portageq envvar PORTAGE_NICENESS || true)
+ [[ -n ${niceness} ]] &&
+ echo "PORTAGE_NICENESS=\"${niceness}\""
+ echo
+ echo "# Mirrors from parent prefix."
+ echo "GENTOO_MIRRORS=\"$(portageq envvar GENTOO_MIRRORS || true)\""
+ echo
+ echo "# Below comes the prefix-stack setup. Only change things"
+ echo "# if you know exactly what you are doing!"
+ echo "EPREFIX=\"${CHILD_EPREFIX}\""
+ echo "PORTAGE_OVERRIDE_EPREFIX=\"${PARENT_EPREFIX}\""
+ echo "BROOT=\"${PARENT_EPREFIX}\""
+ echo "PORTAGE_TMPDIR=\"\${EPREFIX}/var/tmp\""
+ # Since EAPI 7 there is BDEPEND, which is DEPEND in EAPI up to 6.
+ # We do not want to pull DEPEND from EAPI <= 6, but RDEPEND only.
+ echo "EMERGE_DEFAULT_OPTS=\"--root-deps=rdeps\""
+ if [[ -n ${CHILD_CHOST} ]] ; then
+ echo "CHOST=\"${CHILD_CHOST}\""
+ fi
+) > "${CHILD_EPREFIX}"/etc/portage/make.conf
+eend_exit $?
+
+ebegin "creating use.mask/prefix-stack"
+printf -- '-%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.mask/prefix-stack
+eend_exit $?
+
+ebegin "creating use.force/prefix-stack"
+printf -- '%s\n' prefix{,-guest,-stack} > "${CHILD_EPREFIX}"/etc/portage/profile/use.force/prefix-stack
+eend_exit $?
+
+ebegin "creating env/host-cc.conf"
+cat > "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf <<-EOM
+ CC=${PARENT_CHOST}-gcc
+ CXX=${PARENT_CHOST}-g++
+ # Inherited compiler flags from parent prefix,
+ # as the child prefix may have a different compiler.
+ CFLAGS="$(portageq envvar CFLAGS)"
+ CXXFLAGS="$(portageq envvar CXXFLAGS)"
+ EOM
+eend_exit $?
+
+ebegin "creating package.env/prefix-stack"
+cat > "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack <<-'EOM'
+ # merge with the parent's chost. this forces the use of the parent
+ # compiler, which generally would be illegal - this is an exception.
+ # This is required for example on winnt, because the wrapper has to
+ # be able to use/resolve symlinks, etc. native winnt binaries miss
+ # that ability, but cygwin binaries don't.
+ sys-devel/gcc-config host-cc.conf
+ sys-apps/gentoo-functions host-cc.conf
+ EOM
+eend_exit $?
+
+#
+# create the make.profile symlinks.
+#
+ebegin "creating make.profile"
+(
+ ln -s "${CHILD_PROFILE}" "${CHILD_EPREFIX}/etc/portage/make.profile"
+)
+eend_exit $?
+
+#
+# adjust permissions of generated files.
+#
+ebegin "adjusting permissions"
+(
+ set -e
+ chmod 644 "${CHILD_EPREFIX}"/etc/portage/make.conf
+ chmod 644 "${CHILD_EPREFIX}"/etc/portage/env/host-cc.conf
+ chmod 644 "${CHILD_EPREFIX}"/etc/portage/package.env/prefix-stack
+)
+eend_exit $?
+
+#
+# now merge some basics.
+#
+ebegin "installing required basic packages"
+(
+ set -e
+ export PORTAGE_CONFIGROOT@=@"${CHILD_EPREFIX}"
+ export EPREFIX@=@"${CHILD_EPREFIX}"
+ export PORTAGE_OVERRIDE_EPREFIX@=@"${PARENT_EPREFIX}"
+
+ # let baselayout create the directories
+ USE@=@"${USE} build" \
+ emerge --verbose --nodeps --oneshot \
+ '>=baselayout-prefix-2.6'
+
+ # In prefix-stack, app-portage/prefix-toolkit does
+ # install/update an etc/portage/profile/packages file,
+ # removing all @system packages from current make.profile,
+ # and adding itself to @system set instead.
+ emerge --verbose --nodeps --oneshot \
+ app-portage/prefix-toolkit
+
+ # In prefix-stack, prefix-toolkit does have an RDEPEND on them,
+ # to hold them in the @system set.
+ emerge --verbose --nodeps --oneshot \
+ sys-apps/gentoo-functions \
+ app-portage/elt-patches \
+ sys-devel/gnuconfig \
+ sys-devel/gcc-config
+
+ # get eventual dependencies, add to world
+ emerge --verbose --update --deep \
+ app-portage/prefix-toolkit
+
+ # select the stack wrapper profile from gcc-config
+ env -i PORTAGE_CONFIGROOT="${CHILD_EPREFIX}" \
+ "$(type -P bash)" "${CHILD_EPREFIX}"/usr/bin/gcc-config 1
+)
+eend_exit $?
+
+#
+# wow, all ok :)
+#
+ewarn
+ewarn "all done. don't forget to tune ${CHILD_EPREFIX}/etc/portage/make.conf."
+ewarn "to enter the new prefix, run \"${CHILD_EPREFIX}/startprefix\"."
+ewarn
+EOIN
+
+: prefix-stack-ccwrap <<'EOIN'
+#!@GENTOO_PORTAGE_BPREFIX@/bin/bash
+
+if [ -r /cygdrive/. ]; then
+ winpath2unix() { cygpath -u "$1"; }
+ unixpath2win() { cygpath -w "$1"; }
+fi
+
+myself=${0##*/} # basename $0
+link_dirs=()
+linkopts=()
+opts=()
+chost="@GENTOO_PORTAGE_CHOST@"
+prefix="@GENTOO_PORTAGE_EPREFIX@"
+absprefix=${prefix}
+if [[ ${chost} == *"-winnt"* ]]; then
+ # we may get called from windows binary, like pkgdata in dev-libs/icu
+ # in this case, PATH elements get the "/dev/fs/C/WINDOWS/SUA" prefix
+ absprefix=$(winpath2unix "$(unixpath2win "${absprefix}")")
+fi
+[[ ${myself} == *windres* ]] && mode=compile || mode=link
+orig_args=("$@")
+
+for opt in "$@"
+do
+ if [[ ${chost} == *"-winnt"* ]]; then
+ # We depend on dev-libs/pthreads4w, no?
+ case ${opt} in
+ -pthread | -lpthread)
+ case " ${linkopts[*]} " in
+ *" -lpthread "*) ;;
+ *) linkopts=( "${linkopts[@]}" "-lpthread" ) ;;
+ esac
+ continue
+ ;;
+ esac
+ fi
+ case "$opt" in
+ -L)
+ link_dirs=("${link_dirs[@]}" "-L$1")
+ shift
+ ;;
+ -L*)
+ link_dirs=("${link_dirs[@]}" "${opt}")
+ ;;
+ *)
+ case "${opt}" in
+ -v)
+ # -v done right: only use mode version if -v is the _only_
+ # argument on the command line.
+ [[ ${#orig_args[@]} -gt 1 ]] || mode=version
+ ;;
+ --version) mode=version ;;
+ -c|-E|-S) mode=compile ;;
+ -print-search-dirs) mode=dirs ;;
+ esac
+ opts=("${opts[@]}" "${opt}")
+ ;;
+ esac
+done
+
+# remove any path to current prefix, need base prefix only
+new_path=
+save_ifs=$IFS
+IFS=':'
+for p in $PATH
+do
+ IFS=$save_ifs
+ [[ ${p#${absprefix}} != "${p}" ]] && continue
+ if [[ -z "${new_path}" ]]; then
+ new_path="${p}"
+ else
+ new_path="${new_path}:${p}"
+ fi
+done
+IFS=$save_ifs
+
+PATH=${new_path}
+
+pfx_comp=("-I${prefix}/include" "-I${prefix}/usr/include")
+pfx_link=("-L${prefix}/usr/lib" "-L${prefix}/lib")
+# binutils-config's ldwrapper understands '-R' for aix and hpux too.
+pfx_link_r=("-Wl,-R,${prefix}/lib" "-Wl,-R,${prefix}/usr/lib")
+case "${chost}" in
+*-winnt*)
+ # parity (winnt) understands -rpath only ...
+ pfx_link_r=("-Wl,-rpath,${prefix}/lib" "-Wl,-rpath,${prefix}/usr/lib")
+ ;;
+*-linux*)
+ # With gcc, -isystem would avoid warning messages in installed headers,
+ # but that breaks with AIX host headers.
+ pfx_comp=("-isystem" "${prefix}/include" "-isystem" "${prefix}/usr/include")
+ ;;
+esac
+
+# ensure we run the right chost program in base prefix
+[[ ${myself} == *-*-*-* ]] || myself=${chost}-${myself#${chost}-}
+
+case "$mode" in
+link) exec "${myself}" "${link_dirs[@]}" "${pfx_link[@]}" "${opts[@]}" "${pfx_comp[@]}" "${pfx_link_r[@]}" "${linkopts[@]}" ;;
+compile) exec "${myself}" "${link_dirs[@]}" "${opts[@]}" "${pfx_comp[@]}" ;;
+version) exec "${myself}" "${orig_args[@]}" ;;
+dirs)
+ "${myself}" "${orig_args[@]}" | while read line; do
+ if [[ "${line}" == "libraries: ="* ]]; then
+ echo "libraries: =${prefix}/usr/lib:${prefix}/lib:${line#"libraries: ="}"
+ else
+ echo "${line}"
+ fi
+ done
+ ;;
+*) echo "cannot infer ${myself}'s mode from comamnd line arguments"; exit 1 ;;
+esac
+EOIN
projects / gentoo.git / commitdiff