Initial support for overriding profile

Closes: https://bugs.gentoo.org/748975
Closes: gentoo#22
Signed-off-by: James Le Cuirot <chewi@gentoo.org>

Author: lu-zero

crossdev

@@ -994,6 +994,7 @@ SHOW_FAIL_LOG="no"
 SHOW_TARGET_CFG="no"
 INIT_TARGET_ONLY="no"
 LLVM="no"
+PROFILE="embedded"
 
 while [[ $# -gt 0 ]] ; do
 	case $1 in
@@ -1051,6 +1052,7 @@ while [[ $# -gt 0 ]] ; do
 	--cpkg)              shift; CPKG=$1;;
 	-ox|--ov-extra)      shift; XOVLS+=( "$1" );;
 	--env)               shift; AENV=$1;;
+	--profile)           shift; PROFILE=$1;;
 	-L|--llvm)           LLVM="yes";;
 	-A|--abis)           shift; MULTILIB_ABIS=$1;;
 	--host-abi)          shift; HOST_ABI=$1;;
@@ -1686,7 +1688,7 @@ hr
 ### Create links for helper scripts ###
 
 xmkdir -p "${EPREFIX}"/usr/${CTARGET}
-LLVM="${LLVM}" emerge-wrapper --target ${CTARGET} --init || exit 1
+LLVM="${LLVM}" emerge-wrapper --target "${CTARGET}" --init --profile "${PROFILE}" || exit 1
 
 #############################################################
 ### Create directories usually created by sys-apps/baselayout

wrappers/emerge-wrapper

@@ -37,7 +37,6 @@ cross_wrap_etc()
 	setup_warning=false
 
 	cp -a "${PREFIX}"/share/crossdev/etc ${SYSROOT}/     || return 1
-	ln -snf "${MAIN_REPO_PATH}/profiles/embedded" "${SYSROOT}/etc/portage/make.profile" || return 1
 
 	local confs=(
 		${SYSROOT}/etc/portage/make.conf
@@ -132,6 +131,7 @@ cross_wrap()
 	if [[ -d ${SYSROOT} ]] && [[ ! -d ${SYSROOT}/etc ]] ; then
 		cross_wrap_etc "$@"
 	fi
+	PORTAGE_CONFIGROOT=${SYSROOT} eselect profile set --force "${PROFILE}"
 	return $?
 }
 
@@ -160,12 +160,18 @@ CHOST=${CHOST%-emerge}
 CHOST=${CHOST#emerge-}
 export CHOST
 
+PROFILE="embedded"
+
 if [[ $1 == "--target" ]] ; then
 	CHOST=$2
 	shift 2
 fi
 
 if [[ $1 == "--init" ]] ; then
+	shift
+	if [[ $1 == "--profile" ]] ; then
+		PROFILE=$2
+	fi
 	cross_init
 	exit $?
 fi