Multilib fixes. Copies libgcc_s.so* to the correct location for all abis. Allows command line args to override ${ABI}. This should resolve bugs #78306 and #78652.

Package-Manager: portage-2.0.51-r15

6 files changed, 994 insertions, 10 deletions

diff --git a/sys-devel/gcc-config/ChangeLog b/sys-devel/gcc-config/ChangeLog
index 91d5bb31f4b8..a8f873364dc5 100644
--- a/sys-devel/gcc-config/ChangeLog
+++ b/sys-devel/gcc-config/ChangeLog
@@ -1,6 +1,15 @@
 # ChangeLog for sys-devel/gcc-config
 # Copyright 2002-2005 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/ChangeLog,v 1.77 2005/01/24 02:35:16 vapier Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/ChangeLog,v 1.78 2005/01/31 05:39:29 eradicator Exp $
+
+*gcc-config-1.3.10 (30 Jan 2005)
+
+  30 Jan 2005; Jeremy Huddleston <eradicator@gentoo.org>
+  +files/gcc-config-1.3.10, +files/wrapper-1.4.5.c,
+  +gcc-config-1.3.10.ebuild:
+  Multilib fixes. Copies libgcc_s.so* to the correct location for all abis.
+  Allows command line args to override ${ABI}. This should resolve bugs #78306
+  and #78652.
 
   23 Jan 2005; Mike Frysinger <vapier@gentoo.org>
   gcc-config-1.3.8-r4.ebuild, gcc-config-1.3.9.ebuild:
diff --git a/sys-devel/gcc-config/Manifest b/sys-devel/gcc-config/Manifest
index 64369b7aafe2..c25a695fb9de 100644
--- a/sys-devel/gcc-config/Manifest
+++ b/sys-devel/gcc-config/Manifest
@@ -1,20 +1,24 @@
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA1
 
-MD5 14131db9b618f3ccc2efbd915e0fbaf8 gcc-config-1.3.9.ebuild 1437
-MD5 d4a643733e3e4dee0beb08d35b0804a3 ChangeLog 15324
+MD5 d18eee9990d63f7d65853267584e5d32 ChangeLog 15670
 MD5 012868b502a874cc4f1abfa862bafb8a gcc-config-1.3.8-r4.ebuild 1429
+MD5 14131db9b618f3ccc2efbd915e0fbaf8 gcc-config-1.3.9.ebuild 1437
 MD5 567094e03359ffc1c95af7356395228d metadata.xml 162
-MD5 396974306d3ccab6db5354d94ffd21fd files/gcc-config-1.3.8 12498
+MD5 47ab493a752835edc3158beb3d6c8af7 gcc-config-1.3.10.ebuild 1508
 MD5 d41d8cd98f00b204e9800998ecf8427e files/digest-gcc-config-1.3.8-r4 0
-MD5 0181c8024c1c636b700dbf7a11f07fd6 files/gcc-config-1.3.9 12641
-MD5 7723c767ef3e4935c2299fb253412d7e files/wrapper-1.4.4.c 10132
 MD5 d41d8cd98f00b204e9800998ecf8427e files/digest-gcc-config-1.3.9 0
+MD5 396974306d3ccab6db5354d94ffd21fd files/gcc-config-1.3.8 12498
 MD5 e7c7a83406a374ee4262c97d6e5673b2 files/wrapper-1.4.3.c 7545
+MD5 7723c767ef3e4935c2299fb253412d7e files/wrapper-1.4.4.c 10132
+MD5 c7913ab2704a652d4f9486964569a1a1 files/wrapper-1.4.5.c 10579
+MD5 0181c8024c1c636b700dbf7a11f07fd6 files/gcc-config-1.3.9 12641
+MD5 9c5f1032109e37d3f576d3ba2d1d28a9 files/gcc-config-1.3.10 13026
+MD5 d41d8cd98f00b204e9800998ecf8427e files/digest-gcc-config-1.3.10 0
 -----BEGIN PGP SIGNATURE-----
-Version: GnuPG v1.9.14 (GNU/Linux)
+Version: GnuPG v1.4.0 (GNU/Linux)
 
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diff --git a/sys-devel/gcc-config/files/digest-gcc-config-1.3.10 b/sys-devel/gcc-config/files/digest-gcc-config-1.3.10
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/sys-devel/gcc-config/files/digest-gcc-config-1.3.10
diff --git a/sys-devel/gcc-config/files/gcc-config-1.3.10 b/sys-devel/gcc-config/files/gcc-config-1.3.10
new file mode 100755
index 000000000000..b0009a2a5eb8
--- /dev/null
+++ b/sys-devel/gcc-config/files/gcc-config-1.3.10
@@ -0,0 +1,513 @@
+#!/bin/bash
+# Copyright 1999-2004 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/files/gcc-config-1.3.10,v 1.1 2005/01/31 05:39:30 eradicator Exp $
+# Author:  Martin Schlemmer <azarah@gentoo.org>
+
+trap ":" INT QUIT TSTP
+
+source /etc/init.d/functions.sh || {
+	echo "$0: Could not source /etc/init.d/functions.sh!"
+	exit 1
+}
+umask 022
+
+usage() {
+cat << "USAGE_END"
+Usage: gcc-config [options] [CC Profile]
+Change the current cc/gcc profile, or give info about profiles.
+
+Options:
+  -O, --use-old              Use the old profile if one was selected.
+  -P, --use-portage-chost    Only set to given profile if its CHOST is the 
+                             same as that set for portage in /etc/make.conf
+                             (or one of other portage config files...).
+  -c, --get-current-profile  Print current used gcc profile.
+  -l, --list-profiles        Print a list of available profiles.
+  -E, --print-environ        Print environment that can be used to setup the
+                             current gcc profile, or a specified one.
+  -B, --get-bin-path         Print path where binaries of the given/current
+                             profile are located.
+  -L, --get-lib-path         Print path where libraries of the given/current
+                             profile are located.
+  -X, --get-stdcxx-incdir    Print path where g++ include files of the
+                             given/current profile are located.
+
+Profile names are of the form:  <CHOST>-<gcc version>
+For example:                    i686-pc-linux-gnu-3.2.1
+USAGE_END
+	exit $1
+}
+[[ $# -lt 1 ]] && usage 1
+
+find_path() {
+	[[ -z $1 ]] && return 0
+
+	local fullpath="$(type -P $1)"
+	
+	if [[ -x ${fullpath} ]] ; then
+		echo "${fullpath}"
+		return 0
+	fi
+
+	for x in /bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin ; do
+		if [[ -x ${x}/$1 ]] && [[ -r ${x}/$1 ]] ; then
+			echo "${x}/$1"
+			return 0
+		fi
+	done
+
+	return 0
+}
+
+cmd_setup() {
+	# Sourcing /etc/env.d/gcc/${CC_COMP} is going to mess up
+	# PATH among things...
+	CP="$(find_path cp)"
+	RM="$(find_path rm)"
+	MV="$(find_path mv)"
+	LN="$(find_path ln)"
+	CAT="$(find_path cat)"
+	AWK="$(find_path gawk)"
+	GREP="$(find_path grep)"
+	FIND="$(find_path find)"
+	CHMOD="$(find_path chmod)"
+	TOUCH="$(find_path touch)"
+	ENV_UPDATE="$(find_path env-update)"
+}
+
+get_real_chost() {
+	[[ -n ${REAL_CHOST} ]] && return 0
+
+	export REAL_CHOST="$(env -u CHOST portageq envvar CHOST)"
+
+	if [[ -z ${REAL_CHOST} ]] ; then
+		eerror "$0: Could not get portage CHOST!"
+		return 1
+	fi
+}
+
+is_cross_compiler() {
+	get_real_chost
+	[[ ${CC_COMP/${REAL_CHOST}} = ${CC_COMP} ]]
+}
+
+switch_profile() {
+	local MY_LDPATH=
+	local GCC_PROFILES=
+	local OLD_CC_COMP=
+	local GCC_BIN_PATH=
+
+	if [[ "$(id -u)" -ne 0 ]] ; then
+		eerror "$0: Must be root."
+		exit 1
+	fi
+
+	ebegin "Switching to ${CC_COMP} compiler"
+
+	# Sourcing /etc/env.d/gcc/${CC_COMP} is going to mess up
+	# PATH among things...
+	cmd_setup
+
+	if ! is_cross_compiler ; then
+		# Order our profiles to have the default first ...
+		# We do this so that we can have them ordered with default
+		# first in /etc/ld.so.conf, as the logical is that all
+		# compilers for default CHOST will be used to compile stuff,
+		# and thus we want all their lib paths in /etc/ld.so.conf ...
+		get_real_chost
+		GCC_PROFILES="$(${FIND} "${GCC_ENV_D}" -name "${REAL_CHOST}-*" -a ! -name "${CC_COMP}")"
+		GCC_PROFILES="${GCC_ENV_D}/${CC_COMP} ${GCC_PROFILES}"
+
+		# Extract all LDPATH's for our CHOST
+		MY_LDPATH=""
+		for x in ${GCC_PROFILES} ; do
+			if [[ -f ${x} ]] ; then
+				source "${x}"
+
+				# Handle LDPATH's that have multiple directories
+				local old_IFS="${IFS}"
+				export IFS=":"
+				local sub_ldpath=
+				for sub_ldpath in ${LDPATH} ; do
+					if [[ -d ${sub_ldpath} ]] ; then
+						if [[ ${MY_LDPATH/:${sub_ldpath}} = ${MY_LDPATH} ]] ; then
+							MY_LDPATH="${MY_LDPATH}:${sub_ldpath}"
+						fi
+					fi
+				done
+				export IFS="${old_IFS}"
+			fi
+		done
+		MY_LDPATH="${MY_LDPATH:1}" # trim leading :
+	fi
+
+	# Setup things properly again for this profile
+	unset GCC_SPECS LDPATH
+	source "${GCC_ENV_D}/${CC_COMP}"
+	OLD_CC_COMP=$(get_current_profile)
+	CTARGET="${CTARGET:-${REAL_CHOST}}"
+
+	# What kind of env.d entry are we going to generate ?
+	if is_cross_compiler ; then
+		# Only keep PATH/ROOTPATH
+		${AWK} '/^(PATH|ROOTPATH)=/ {print $0}' \
+			"${GCC_ENV_D}/${CC_COMP}" > "${ENV_D}/05gcc-${CTARGET}"
+
+		echo "CURRENT=${CC_COMP}" > "${GCC_ENV_D}/config-${CTARGET}"
+	else
+		# Pass all by default
+		${AWK} '!/^(STDCXX_INCDIR|LDPATH|CC|CXX|CTARGET|GCCBITS|GCC_SPECS)=/ {print $0}' \
+			"${GCC_ENV_D}/${CC_COMP}" > "${ENV_D}/05gcc"
+		echo "LDPATH=\"${MY_LDPATH}\"" >> "${ENV_D}/05gcc"
+		if [[ -n ${GCC_SPECS} ]] && [[ -e ${ROOT}/${GCC_SPECS} ]] ; then
+			echo "GCC_SPECS=\"${GCC_SPECS}\"" >> "${ENV_D}/05gcc"
+		else
+			# People need to rebuild their gcc or setting GCC_SPECS to
+			# "" will cause issues again :(
+			if [[ ${ROOT} != "/" ]] ; then
+				echo "GCC_SPECS=\"\"" >> "${ENV_D}/05gcc"
+			else
+				if ! GCC_SPECS="" /usr/bin/gcc -v &>/dev/null ; then
+					echo
+					ewarn "Your gcc has a bug with GCC_SPECS."
+					ewarn "Please re-emerge gcc."
+					ewarn "http://bugs.gentoo.org/show_bug.cgi?id=68395"
+					echo
+				else
+					echo "GCC_SPECS=\"\"" >> "${ENV_D}/05gcc"
+				fi
+			fi
+		fi
+
+		echo "CURRENT=${CC_COMP}" > "${GCC_ENV_D}/config"
+	fi
+
+	# Save PATH
+	GCC_BIN_PATH="${PATH}"
+	# Fix environment
+	source /etc/profile
+	umask 022
+
+	# Update the wrappers for this profile
+	local native="gcc cpp cc c++ g++ f77 g77 gcj"
+	is_cross_compiler && native=""
+	for x in ${native} ${CTARGET}-{gcc,c++,g++,f77,g77,gcj} ; do
+		# Make sure we have no stale wrappers
+		${RM} -f "${ROOT}/usr/bin/${x}"
+		[[ ${x:${#x}-3} = "gcc" || ${x:${#x}-3} = "g++" ]] \
+			&& ${RM} -f "${ROOT}/usr/bin/${x}"{32,64}
+
+		# Only install a wrapper if the binary exists ...
+		# We want to figure out the 'reference file' for each 
+		# wrapper (the binary we're 'wrapping') so that we can 
+		# sync mtimes together.  This makes things like ccache
+		# happy.  See Bug #70548 for more info.
+		local ref=${ROOT}/${GCC_BIN_PATH}/${x}
+		[[ ${x} = "cc" ]] && ref=${ROOT}/${GCC_BIN_PATH}/gcc
+		if [[ -x ${ref} ]] ; then
+			${CP} -f "${ROOT}/usr/libexec/gcc-config/wrapper" \
+			         "${ROOT}/usr/bin/${x}"
+			touch -r "${ref}" "${ROOT}/usr/bin/${x}"
+
+			# Install 32bit and 64bit wrappers if need be
+			# This should probably get folded back into the wrapper ...
+			if [[ ${x:${#x}-3} = "gcc" ]] || [[ ${x:${#x}-3} = "g++" ]] ; then
+				for bits in ${GCCBITS} ; do
+					cp -f "${ROOT}/usr/libexec/gcc-config/wrapper" \
+						"${ROOT}/usr/bin/${x}${bits}"
+				done
+			fi
+		fi
+	done
+	# Only install cpp if switching to a native one
+	if ! is_cross_compiler ; then
+		${RM} -f "${ROOT}/lib/cpp"
+		${CP} -f "${ROOT}/usr/libexec/gcc-config/wrapper" "${ROOT}/lib/cpp"
+	fi
+
+	# We need to make sure that libgcc_s.so makes it into /lib.
+	# On many systems (x86/amd64/etc...), this will probably never matter, 
+	# but on other systems (arm/mips/etc...), this is quite critical.
+	# http://bugs.gentoo.org/show_bug.cgi?id=60190
+	if ! is_cross_compiler; then
+		for multilib in $(${ROOT}/${GCC_BIN_PATH}/gcc -print-multi-lib); do
+			multiarg=${multilib#*;}
+			multiarg=${multiarg/@/-}
+			multilibdir=${multilib%;*}
+			libdir="lib/$(${ROOT}/${GCC_BIN_PATH}/gcc ${multiarg} -print-multi-os-directory)"
+			if [[ -e ${ROOT}/${LDPATH}/${multildir}/libgcc_s.so ]]; then
+				rm -f ${ROOT}/${libdir}/libgcc_so.so*
+				cp -a ${ROOT}/${LDPATH}/${multilibdir}/libgcc_s.so* ${ROOT}/${libdir}/
+			fi
+		done
+		unset multilib
+		unset multilibdir
+		unset multiarg
+		unset libdir
+	fi
+
+	if [[ ${ROOT} = "/" ]] && [[ ${OLD_CC_COMP} != ${CC_COMP} ]] ; then
+		${ENV_UPDATE} &>/dev/null
+	fi
+
+	eend 0
+
+	if [[ ${ROOT} = "/" ]] && [[ ${OLD_CC_COMP} != ${CC_COMP} ]] ; then
+		echo
+		ewarn "If you intend to use the gcc from the new profile in an already"
+		ewarn "running shell, please remember to do:"
+		echo
+		ewarn "  # source /etc/profile"
+		echo
+	fi
+
+	return 0
+}
+
+get_current_profile() {
+	local conf="${GCC_ENV_D}/config"
+	if [[ -n ${CTARGET} ]] ; then
+		conf="${conf}-${CTARGET}"
+	elif [[ -f ${GCC_ENV_D}/config-${CC_COMP} ]] ; then
+		conf="${conf}-${CC_COMP}"
+	fi
+
+	if [[ ! -f ${conf} ]] ; then
+		eerror "$0: No gcc profile is active!"
+		return 1
+	fi
+
+	source "${conf}"
+
+	if [[ -z ${CURRENT} ]] ; then
+		eerror "$0: No gcc profile is active!"
+		return 1
+	fi
+
+	echo "${CURRENT}"
+
+	return 0
+}
+
+list_profiles() {
+	local i=1
+
+	if [[ ! -f ${GCC_ENV_D}/config ]] ; then
+		eerror "$0: No gcc profile is active; please select one!"
+	else
+		get_current_profile >/dev/null
+	fi
+
+	if [[ ${ROOT} != "/" ]] ; then
+		echo "Using gcc-config info in ${ROOT}"
+	fi
+	for x in "${GCC_ENV_D}"/* ; do
+		if [[ -f ${x} ]] && [[ ${x/\/config} = ${x} ]] ; then
+			x=${x##*/}
+			[[ ${x} = ${CURRENT} ]] && x="${x} *"
+			echo "[${i}] ${x}"
+			i=$((i + 1))
+		fi
+	done
+}
+
+print_environ() {
+	local OLDPATH="${PATH}"
+	local ENV_CMD=
+	local SET_ELEMENT=
+
+	source "${GCC_ENV_D}/${CC_COMP}"
+
+	case ${SHELL} in
+		*/csh|*/tsch)
+			ENV_CMD="setenv"
+			SET_ELEMENT=" "
+			;;
+		*)
+			ENV_CMD="export"
+			SET_ELEMENT="="
+			;;
+	esac
+
+	echo "${ENV_CMD} PATH${SET_ELEMENT}\"${PATH}:${OLDPATH}\""
+}
+
+get_bin_path() {
+	if [[ -e ${GCC_ENV_D}/${CC_COMP} ]] ; then
+		source "${GCC_ENV_D}/${CC_COMP}"
+		echo "${PATH}"
+	else
+		echo "no-config"
+		echo "${GCC_ENV_D}/${CC_COMP} doesnt exist" 1>&2
+	fi
+
+	return 0
+}
+
+get_lib_path() {
+	if [[ -e ${GCC_ENV_D}/${CC_COMP} ]] ; then
+		source "${GCC_ENV_D}/${CC_COMP}"
+		echo "${LDPATH}"
+	else
+		echo "no-config"
+		echo "${GCC_ENV_D}/${CC_COMP} doesnt exist" 1>&2
+	fi
+
+	return 0
+}
+
+get_stdcxx_incdir() {
+	if [[ -e ${GCC_ENV_D}/${CC_COMP} ]] ; then
+		source "${GCC_ENV_D}/${CC_COMP}"
+		echo "${LDPATH}/include/${STDCXX_INCDIR}"
+	else
+		echo "no-config"
+		echo "${GCC_ENV_D}/${CC_COMP} doesnt exist" 1>&2
+	fi
+
+	return 0
+}
+
+NEED_ACTION="yes"
+DOIT="switch_profile"
+CHECK_CHOST="no"
+
+CC_COMP=
+[[ -z ${ROOT} ]] && ROOT="/"
+[[ ${ROOT:-1} != "/" ]] && ROOT="${ROOT}/"
+ENV_D="${ROOT}etc/env.d"
+GCC_ENV_D="${ENV_D}/gcc"
+
+for x in "$@" ; do
+	case "${x}" in
+		# Only use specified compiler if one is not already selected.
+		-O|--use-old)
+			if get_current_profile &>/dev/null ; then
+				CC_COMP="$(get_current_profile)"
+			fi
+			;;
+		-P|--use-portage-chost)
+			CHECK_CHOST="yes"
+			;;
+		-c|--get-current-profile)
+			if [[ ${NEED_ACTION} = "yes" ]] ; then
+				NEED_ACTION="no"
+				DOIT="get_current_profile"
+			fi
+			;;
+		-l|--list-profiles)
+			if [[ ${NEED_ACTION} = "yes" ]] ; then
+				NEED_ACTION="no"
+				DOIT="list_profiles"
+			fi
+			;;
+		-E|--print-environ)
+			if [[ ${NEED_ACTION} = "yes" ]] ; then
+				NEED_ACTION="no"
+				DOIT="print_environ"
+			fi
+			;;
+		-B|--get-bin-path)
+			if [[ ${NEED_ACTION} = "yes" ]] ; then
+				NEED_ACTION="no"
+				DOIT="get_bin_path"
+			fi
+			;;
+		-L|--get-lib-path)
+			if [[ ${NEED_ACTION} = "yes" ]] ; then
+				NEED_ACTION="no"
+				DOIT="get_lib_path"
+			fi
+			;;
+		-X|--get-stdcxx-incdir)
+			if [[ ${NEED_ACTION} = "yes" ]] ; then
+				NEED_ACTION="no"
+				DOIT="get_stdcxx_incdir"
+			fi
+			;;
+		-h|--help)
+			usage 0
+			exit 0
+			;;
+		-v|--version)
+			echo "gcc-config-PORTAGE-VERSION"
+			exit 0
+			;;
+		-*)
+			eerror "$0: Invalid switch!  Run $0 without parameters for help."
+			exit 1
+			;;
+		*)
+			if [[ -z ${CC_COMP} ]] ; then
+				if [[ -z $(echo ${x} | tr -d '[:digit:]') ]] ; then
+					# User gave us a # representing the profile
+					i=1
+					for y in "${GCC_ENV_D}"/* ; do
+						[[ ${y/\/config} != ${y} ]] && continue
+
+						if [[ -f ${y} ]] && [[ ${x} = ${i} ]] ; then
+							CC_COMP="${y##*/}"
+							break
+						fi
+						i=$((i + 1))
+					done
+				else
+					# User gave us a full HOST-gccver
+					x=${x##*/}
+					if [[ ${DOIT} != "get_current_profile" ]] && \
+					   [[ ! -f ${GCC_ENV_D}/${x} ]]
+					then
+						eerror "$0: Could not locate '$x' in '${GCC_ENV_D}/'!"
+						exit 1
+					fi
+					CC_COMP="${x}"
+				fi
+			else
+				eerror "$0: Too many arguments!  Run $0 without parameters for help."
+				exit 1
+			fi
+			;;
+	esac
+done
+
+if [[ ${DOIT} = "switch_profile" ]] && [[ -z ${CC_COMP} ]] ; then
+	usage 1
+fi
+
+if [[ -z ${CC_COMP} ]] ; then
+	if get_current_profile &>/dev/null
+	then
+		CC_COMP="$(get_current_profile)"
+	else
+		list_profiles
+		exit 1
+	fi
+fi
+
+if [[ ${DOIT} != "get_current_profile" ]] ; then
+	CC_COMP_NO_SPECS=$(echo ${CC_COMP} | awk -F- '{ print $1"-"$2"-"$3"-"$4"-"$5 }')
+
+	GCC_LIB=$(source "${GCC_ENV_D}/${CC_COMP}"
+		cmd_setup
+		echo ${LDPATH} | ${AWK} -F/ '{ print  "/"$2"/"$3"/"$4"/" }')
+
+	if [[ ! -d ${ROOT}/${GCC_LIB}/${CC_COMP_NO_SPECS%-*}/${CC_COMP_NO_SPECS##*-} ]] || \
+	   [[ ! -f ${GCC_ENV_D}/${CC_COMP} ]]
+	then
+		eerror "$0: Profile does not exist or invalid setting for ${GCC_ENV_D}/${CC_COMP}" 1>&2
+		#exit 1
+	fi
+fi
+
+if [[ ${CHECK_CHOST} = "yes" ]] ; then
+	# Chosen CHOST are not the same as the real CHOST according to
+	# make.conf, and --use-portage-chost option was given, so do nothing
+	get_real_chost
+	[[ ${CC_COMP%-*} != ${REAL_CHOST} ]] && exit 0
+fi
+
+eval ${DOIT}
+
+
+# vim:ts=4
diff --git a/sys-devel/gcc-config/files/wrapper-1.4.5.c b/sys-devel/gcc-config/files/wrapper-1.4.5.c
new file mode 100644
index 000000000000..74ab554762c8
--- /dev/null
+++ b/sys-devel/gcc-config/files/wrapper-1.4.5.c
@@ -0,0 +1,406 @@
+/*
+ * Copyright 1999-2004 Gentoo Foundation
+ * Distributed under the terms of the GNU General Public License v2
+ * $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/files/wrapper-1.4.5.c,v 1.1 2005/01/31 05:39:30 eradicator Exp $
+ * Author: Martin Schlemmer <azarah@gentoo.org>
+ */
+
+#define _REENTRANT
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <unistd.h>
+#include <wait.h>
+#include <libgen.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+
+#define GCC_CONFIG	"/usr/bin/gcc-config"
+#define ENVD_BASE	"/etc/env.d/05gcc"
+
+struct wrapper_data {
+	char name[MAXPATHLEN + 1];
+	char fullname[MAXPATHLEN + 1];
+	char bin[MAXPATHLEN + 1];
+	char tmp[MAXPATHLEN + 1];
+	
+	char *path;
+};
+
+static const char *wrapper_strerror(int err, struct wrapper_data *data)
+{
+	/* this app doesn't use threads and strerror
+	 * is more portable than strerror_r */
+	strncpy(data->tmp, strerror(err), sizeof(data->tmp));
+	return data->tmp;
+}
+
+static void wrapper_exit(char *msg, ...)
+{
+	va_list args;
+	fprintf(stderr, "gcc-config error: ");
+	va_start(args, msg);
+	vfprintf(stderr, msg, args);
+	va_end(args);
+	exit(1);
+}
+
+/* check_for_target checks in path for the file we are seeking
+ * it returns 1 if found (with data->bin setup), 0 if not and
+ * negative on error
+ */
+static int check_for_target(char *path, struct wrapper_data *data)
+{
+	struct stat sbuf;
+	int result = 0;
+	char str[MAXPATHLEN + 1];
+	size_t len = strlen(path) + strlen(data->name) + 2;
+
+	snprintf(str, len, "%s/%s", path, data->name);
+
+	/* Stat possible file to check that
+	 * 1) it exist and is a regular file, and
+	 * 2) it is not the wrapper itself, and
+	 * 3) it is in a /gcc-bin/ directory tree
+	 */
+	result = stat(str, &sbuf);
+	if ((result == 0) && \
+	    ((sbuf.st_mode & S_IFREG) || (sbuf.st_mode & S_IFLNK)) && \
+	    (strcmp(str, data->fullname) != 0) && \
+	    (strstr(str, "/gcc-bin/") != 0)) {
+
+		strncpy(data->bin, str, MAXPATHLEN);
+		data->bin[MAXPATHLEN] = 0;
+		result = 1;
+	} else
+		result = 0;
+
+	return result;
+}
+
+static int find_target_in_path(struct wrapper_data *data)
+{
+	char *token = NULL, *state;
+	char str[MAXPATHLEN + 1];
+
+	if (data->path == NULL) return 0;
+
+	/* Make a copy since strtok_r will modify path */
+	snprintf(str, MAXPATHLEN + 1, "%s", data->path);
+
+	token = strtok_r(str, ":", &state);
+
+	/* Find the first file with suitable name in PATH.  The idea here is
+	 * that we do not want to bind ourselfs to something static like the
+	 * default profile, or some odd environment variable, but want to be
+	 * able to build something with a non default gcc by just tweaking
+	 * the PATH ... */
+	while ((token != NULL) && strlen(token)) {
+		if (check_for_target(token, data))
+			return 1;
+		token = strtok_r(NULL, ":", &state);
+	}
+
+	return 0;
+}
+
+/* find_target_in_envd parses /etc/env.d/05gcc, and tries to
+ * extract PATH, which is set to the current profile's bin
+ * directory ...
+ */
+static int find_target_in_envd(struct wrapper_data *data, int cross_compile)
+{
+	FILE *envfile = NULL;
+	char *token = NULL, *state;
+	char str[MAXPATHLEN + 1];
+	char *strp = str;
+	char envd_file[MAXPATHLEN + 1];
+
+	if (!cross_compile) {
+		snprintf(envd_file, MAXPATHLEN, "%s", ENVD_BASE);
+	} else {
+		char *ctarget, *end = strrchr(data->name, '-');
+		if (end == NULL)
+			return 0;
+		ctarget = strdup(data->name);
+		ctarget[end - data->name] = '\0';
+		snprintf(envd_file, MAXPATHLEN, "%s-%s", ENVD_BASE, ctarget);
+		free(ctarget);
+	}
+	envfile = fopen(envd_file, "r");
+	if (envfile == NULL)
+		return 0;
+
+	while (0 != fgets(strp, MAXPATHLEN, envfile)) {
+		/* Keep reading ENVD_FILE until we get a line that
+		 * starts with 'PATH='
+		 */
+		if (((strp) && (strlen(strp) > strlen("PATH=")) &&
+		    !strncmp("PATH=", strp, strlen("PATH=")))) {
+
+			token = strtok_r(strp, "=", &state);
+			if ((token != NULL) && strlen(token))
+				/* The second token should be the value of PATH .. */
+				token = strtok_r(NULL, "=", &state);
+			else
+				goto bail;
+
+			if ((token != NULL) && strlen(token)) {
+				strp = token;
+				/* A bash variable may be unquoted, quoted with " or
+				 * quoted with ', so extract the value without those ..
+				 */
+				token = strtok(strp, "\n\"\'");
+
+				while (token != NULL) {
+					if (check_for_target(token, data)) {
+						fclose(envfile);
+						return 1;
+					}
+
+					token = strtok(NULL, "\n\"\'");
+				}
+			}
+		}
+		strp = str;
+	}
+
+bail:
+	fclose(envfile);
+	return (cross_compile ? 0 : find_target_in_envd(data, 1));
+}
+
+static void find_wrapper_target(struct wrapper_data *data)
+{
+	FILE *inpipe = NULL;
+	char str[MAXPATHLEN + 1];
+
+	if (find_target_in_path(data))
+		return;
+
+	if (find_target_in_envd(data, 0))
+		return;
+
+	/* Only our wrapper is in PATH, so
+	   get the CC path using gcc-config and
+	   execute the real binary in there... */
+	inpipe = popen(GCC_CONFIG " --get-bin-path", "r");
+	if (inpipe == NULL)
+		wrapper_exit(
+			"Could not open pipe: %s\n",
+			wrapper_strerror(errno, data));
+
+	if (fgets(str, MAXPATHLEN, inpipe) == 0)
+		wrapper_exit(
+			"Could not get compiler binary path: %s\n",
+			wrapper_strerror(errno, data));
+
+	strncpy(data->bin, str, sizeof(data->bin) - 1);
+	data->bin[strlen(data->bin) - 1] = '/';
+	strncat(data->bin, data->name, sizeof(data->bin) - 1);
+	data->bin[MAXPATHLEN] = 0;
+
+	pclose(inpipe);
+}
+
+/* This function modifies PATH to have gcc's bin path appended */
+static void modify_path(struct wrapper_data *data)
+{
+	char *newpath = NULL, *token = NULL, *state;
+	char dname_data[MAXPATHLEN + 1], str[MAXPATHLEN + 1];
+	char *str2 = dname_data, *dname = dname_data;
+	size_t len = 0;
+
+	if (data->bin == NULL)
+		return;
+
+	snprintf(str2, MAXPATHLEN + 1, "%s", data->bin);
+
+	if ((dname = dirname(str2)) == NULL)
+		return;
+
+	if (data->path == NULL)
+		return;
+
+	/* Make a copy since strtok_r will modify path */
+	snprintf(str, MAXPATHLEN + 1, "%s", data->path);
+
+	token = strtok_r(str, ":", &state);
+
+	/* Check if we already appended our bin location to PATH */
+	if ((token != NULL) && strlen(token)) {
+		if (!strcmp(token, dname))
+			return;
+	}
+
+	len = strlen(dname) + strlen(data->path) + 2 + strlen("PATH") + 1;
+
+	newpath = (char *)malloc(len);
+	if (newpath == NULL)
+		wrapper_exit("out of memory\n");
+	memset(newpath, 0, len);
+
+	snprintf(newpath, len, "PATH=%s:%s", dname, data->path);
+	putenv(newpath);
+}
+
+#define MAXNEWFLAGS 32
+#define MAXFLAGLEN  127
+
+static char **getNewArgv(char **argv, const char *newflagsStr) {
+	char **newargv;
+	char newflags[MAXNEWFLAGS][MAXFLAGLEN + 1];
+	unsigned newflagsCount = 0;
+	unsigned argc;
+	unsigned i;
+	char **p;
+
+	unsigned s, f; /* start/finish of each flag. f points to
+	                * the char AFTER the end (ie the space/\0
+	                */
+
+	/* Tokenize the flag list */
+	for(s=0; s < strlen(newflagsStr); s=f+1) {
+		/* Put s at the start of the next flag */
+		while(newflagsStr[s] == ' ' || 
+		      newflagsStr[s] == '\t')
+			s++;
+		if(s == strlen(newflagsStr))
+			break;
+
+		f = s + 1;
+		while(newflagsStr[f] != ' ' && 
+		      newflagsStr[f] != '\t' &&
+		      newflagsStr[f] != '\0')
+			f++;
+
+		/* Detect overrun */
+		if(MAXFLAGLEN < f - s || MAXNEWFLAGS == newflagsCount)
+			return NULL;
+
+		strncpy(newflags[newflagsCount], newflagsStr + s, f - s);
+		newflagsCount++;
+	}
+
+	/* Calculate original argc and see if it contains -m{abi,32,64} */
+	for(argc=0, p=argv; *p; p++, argc++) {
+		if(newflagsCount && (strncmp(*p, "-m32", 4) == 0 ||
+		                     strncmp(*p, "-m64", 4) == 0 ||
+		                     strncmp(*p, "-mabi", 5) == 0)) {
+			/* Our command line sets the ABI, warn the user about this and ignore 
+		     newArgs by setting newflagsCount to 0.
+			 */
+			newflagsCount = 0;
+			fprintf(stderr, "%s: gcc-wrapper: %s detected on the command line overrides implicit %s added by the wrapper.\n", argv[0], *p, newflagsStr);
+		}
+	}
+
+	/* Allocate our array */
+	newargv = (char **)malloc(sizeof(char *) * (argc + newflagsCount + 1));
+
+	/* Make room for the original, new ones, and the NULL terminator */
+	if(!newargv)
+		return NULL;
+
+	/* The newFlags come first since we want the environment to override them. */
+	for(i=0; i < newflagsCount; i++) {
+		newargv[i] = newflags[i];
+	}
+
+	/* We just use the existing argv[i] as the start. */
+	for(; i - newflagsCount < argc; i++) {
+		newargv[i] = argv[i - newflagsCount];
+	}
+
+	/* And now cap it off... */
+	newargv[i] = NULL;
+
+	return newargv;
+}
+
+#define lastOfStr(str, n) ((str) + strlen(str) - (n))
+
+int main(int argc, char *argv[])
+{
+	struct wrapper_data *data;
+	size_t size;
+	char *path;
+	int result = 0;
+	char **newargv = argv;
+
+	data = alloca(sizeof(*data));
+	if (data == NULL)
+		wrapper_exit("%s wrapper: out of memory\n", argv[0]);
+	memset(data, 0, sizeof(*data));
+
+	path = getenv("PATH");
+	if (path != NULL) {
+		data->path = strdup(getenv("PATH"));
+		if (data->path == NULL)
+			wrapper_exit("%s wrapper: out of memory\n", argv[0]);
+	}
+
+	/* What should we find ? */
+	strcpy(data->name, basename(argv[0]));
+
+	/* cc calls "/full/path/to/gcc" ... */
+	if (!strcmp(data->name, "cc"))
+		strcpy(data->name, "gcc");
+
+	/* What is the full name of our wrapper? */
+	size = sizeof(data->fullname);
+	result = snprintf(data->fullname, size, "/usr/bin/%s", data->name);
+	if ((result == -1) || (result > size))
+		wrapper_exit("invalid wrapper name: \"%s\"\n", data->name);
+
+	find_wrapper_target(data);
+
+	modify_path(data);
+
+	if (data->path)
+		free(data->path);
+	data->path = NULL;
+
+	/* Set argv[0] to the correct binary, else gcc can't find internal headers
+	 * http://bugs.gentoo.org/show_bug.cgi?id=8132 */
+	argv[0] = data->bin;
+
+	/* If this is g{cc,++}{32,64}, we need to add -m{32,64}
+	 * otherwise  we need to add ${CFLAGS_${ABI}}
+	 */
+	if(!strcmp(lastOfStr(data->bin, 2), "32") ) {
+		data->bin[strlen(data->bin) - 2] = '\0';
+		newargv = getNewArgv(argv, "-m32");
+	} else if (!strcmp(lastOfStr(data->bin, 2), "64") ) {
+		data->bin[strlen(data->bin) - 2] = '\0';
+		newargv = getNewArgv(argv, "-m64");
+	} else if(getenv("ABI")) {
+		char *envar = (char *)malloc(sizeof(char) * (strlen("CFLAGS_") + strlen(getenv("ABI")) + 1 ));
+		if(!envar)
+			wrapper_exit("%s wrapper: out of memory\n", argv[0]);
+
+		/* We use CFLAGS_${ABI} for gcc, g++, g77, etc as they are
+		 * the same no matter which compiler we are using.
+		 */
+		sprintf(envar, "CFLAGS_%s", getenv("ABI"));
+
+		if(getenv(envar)) {
+			newargv = getNewArgv(argv, getenv(envar));
+			if(!newargv)
+				wrapper_exit("%s wrapper: out of memory\n", argv[0]);
+		}
+
+		free(envar);
+	}
+
+	/* Ok, do it ... */
+	if (execv(data->bin, newargv) < 0)
+		wrapper_exit("Could not run/locate \"%s\"\n", data->name);
+
+	return 0;
+}
diff --git a/sys-devel/gcc-config/gcc-config-1.3.10.ebuild b/sys-devel/gcc-config/gcc-config-1.3.10.ebuild
new file mode 100644
index 000000000000..6fac1019fb3e
--- /dev/null
+++ b/sys-devel/gcc-config/gcc-config-1.3.10.ebuild
@@ -0,0 +1,52 @@
+# Copyright 1999-2005 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-config/gcc-config-1.3.10.ebuild,v 1.1 2005/01/31 05:39:29 eradicator Exp $
+
+inherit toolchain-funcs
+
+# Version of .c wrapper to use
+W_VER="1.4.5"
+
+DESCRIPTION="Utility to change the gcc compiler being used"
+HOMEPAGE="http://www.gentoo.org/"
+SRC_URI=""
+
+LICENSE="GPL-2"
+SLOT="0"
+#KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86"
+
+# Funky fixes for multilib... please test...
+KEYWORDS="-*"
+IUSE=""
+
+DEPEND="virtual/libc
+	>=sys-apps/portage-2.0.47-r10" # We need portageq ...
+
+S=${WORKDIR}
+
+src_compile() {
+	$(tc-getCC) -O2 -Wall -o wrapper \
+		${FILESDIR}/wrapper-${W_VER}.c || die "compile wrapper"
+}
+
+src_install() {
+	newbin ${FILESDIR}/${PN}-${PV} ${PN} || die "install gcc-config"
+	dosed "s:PORTAGE-VERSION:${PVR}:" /usr/bin/${PN}
+
+	exeinto /usr/libexec/gcc-config
+	doexe wrapper || die "install wrapper"
+}
+
+pkg_postinst() {
+	# Do we have a valid multi ver setup ?
+	if gcc-config --get-current-profile &>/dev/null ; then
+		# We not longer use the /usr/include/g++-v3 hacks, as
+		# it is not needed ...
+		[[ -L ${ROOT}/usr/include/g++ ]] && rm -f "${ROOT}"/usr/include/g++
+		[[ -L ${ROOT}/usr/include/g++-v3 ]] && rm -f "${ROOT}"/usr/include/g++-v3
+		[[ ${ROOT} = "/" ]] && gcc-config $(/usr/bin/gcc-config --get-current-profile)
+	fi
+
+	# Make sure old versions dont exist #79062
+	rm -f "${ROOT}"/usr/sbin/gcc-config
+}