From 8c6b9a513101ed62c8cff682f35b1cf752a69818 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Thu, 08 Nov 2012 13:58:47 -0500
Subject: Try to detect a suitable build system host arch.

---
(limited to 'lib')

diff --git a/lib/buildsystem.sh b/lib/buildsystem.sh
index 5c9579a..37f6ac1 100644
--- a/lib/buildsystem.sh
+++ b/lib/buildsystem.sh
@@ -81,10 +81,11 @@ oh_set_buildsystem_option()
 
 oh_buildsystem_do()
 {
-	_oh_local _ohbsd_step _ohbsd_bs
+	_oh_local _ohbsd_test_step _ohbsd_step _ohbsd_bs
 
 	if [ ${#} -ge 1 ]; then
-		_ohbsd_step="${1}"
+		_ohbsd_test_step="${1%%:*}"
+		_ohbsd_step="${1#*:}"
 		shift 1
 	else
 		_oh_return 125
@@ -92,14 +93,14 @@ oh_buildsystem_do()
 	fi
 
 	if [ -n "${_OH_BUILDSYSTEM_SYSTEM}" ]; then
-		if "_oh_${_OH_BUILDSYSTEM_SYSTEM}_can_${_ohbsd_step}"; then
+		if "_oh_${_OH_BUILDSYSTEM_SYSTEM}_can_${_ohbsd_test_step}"; then
 			"_oh_${_OH_BUILDSYSTEM_SYSTEM}_${_ohbsd_step}" "${@}"
 			_oh_return ${?}
 			return ${?}
 		fi
 	else
 		for _ohbsd_bs in ${_OH_BUILDSYSTEMS}; do
-			if "_oh_${_ohbsd_bs}_can_${_ohbsd_step}"; then
+			if "_oh_${_ohbsd_bs}_can_${_ohbsd_test_step}"; then
 				"_oh_${_ohbsd_bs}_${_ohbsd_step}" "${@}"
 				_oh_return ${?}
 				return ${?}
@@ -114,15 +115,25 @@ oh_buildsystem_do()
 
 oh_buildsystem_arch()
 {
-	_oh_local _ohbsa_arch _ohbsa_system
+	_oh_local _ohbsa_arch _ohbsa_bs_arch 
 
-	if [ ${#} -eq 2 ]; then
+	if [ ${#} -eq 1 ]; then
 		_ohbsa_arch="${1}"
-		_ohbsa_system="${2}"
 	else
 		_oh_return 125
 		return ${?}
 	fi
 
-	cat '@@ARCHTAB@@/'"${_ohbsa_arch}/${_ohbsa_system}"
+	# Try to find a suitable build system host arch.
+	for _ohbsa_bs_arch in $(cat '@@ARCHTAB@@/'"${_ohbsa_arch}/${_ohbsa_system}")
+	do
+		if ob_buildsystem_do 'configure:testarch'; then
+			_oh_return 0
+			return ${?}
+		fi
+	done
+
+	ob_warn "$(ob_get_msg 'no_capable_host_arch')"
+	_oh_return 1
+	return ${?}
 }
diff --git a/lib/buildsystem/autoconf.sh b/lib/buildsystem/autoconf.sh
index 9e76c1c..446e017 100644
--- a/lib/buildsystem/autoconf.sh
+++ b/lib/buildsystem/autoconf.sh
@@ -33,17 +33,17 @@ _oh_autoconf_configure()
 	cd "${_OH_BUILDSYSTEM_BUILD_DIR}"
 
 	_ohbsbac_arch_opts="
-		--build='$(oh_buildsystem_arch "${OPK_BUILD_ARCH}" 'autoconf')'
+		--build='$(oh_buildsystem_arch "${OPK_BUILD_ARCH}")'
 		"
 	if [ "${OPK_BUILD_ARCH}" != "${OPK_HOST_ARCH}" ]; then
 		_ohbsbac_arch_opts="${_ohbsbac_arch_opts}
 			--host='$(oh_buildsystem_arch \
-				"${OPK_HOST_ARCH}" 'autoconf')'"
+				"${OPK_HOST_ARCH}")'"
 	fi
 	if [ -n "${_OH_BUILDSYSTEM_TARGET_ARCH}" ]; then
 		_ohbsbac_arch_opts="${_ohbsbac_arch_opts}
 			--target='$(oh_buildsystem_arch \
-				"${_OH_BUILDSYSTEM_TARGET_ARCH}" 'autoconf')'"
+				"${_OH_BUILDSYSTEM_TARGET_ARCH}")'"
 	fi
 
 	if [ '@@MULTIARCH_LIBDIR@@' = 'true' ]; then
--
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