From e1f1b3a7e9e0afbc640dede5d2ce1910767927fb Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Thu, 08 Nov 2012 23:18:43 -0500
Subject: Split oh_buildsystem_do() & oh_buildsystem_find().

---
diff --git a/lib/buildsystem.sh b/lib/buildsystem.sh
index 37f6ac1..8ea4fdf 100644
--- a/lib/buildsystem.sh
+++ b/lib/buildsystem.sh
@@ -79,30 +79,28 @@ oh_set_buildsystem_option()
 	esac
 }
 
-oh_buildsystem_do()
+oh_buildsystem_find()
 {
-	_oh_local _ohbsd_test_step _ohbsd_step _ohbsd_bs
+	_oh_local _ohbsf_test_step _ohbsf_bs
 
-	if [ ${#} -ge 1 ]; then
-		_ohbsd_test_step="${1%%:*}"
-		_ohbsd_step="${1#*:}"
-		shift 1
+	if [ ${#} -eq 1 ]; then
+		_ohbsf_test_step="${1}"
 	else
 		_oh_return 125
 		return ${?}
 	fi
 
 	if [ -n "${_OH_BUILDSYSTEM_SYSTEM}" ]; then
-		if "_oh_${_OH_BUILDSYSTEM_SYSTEM}_can_${_ohbsd_test_step}"; then
-			"_oh_${_OH_BUILDSYSTEM_SYSTEM}_${_ohbsd_step}" "${@}"
-			_oh_return ${?}
+		if "_oh_${_OH_BUILDSYSTEM_SYSTEM}_can_${_ohbsf_test_step}"; then
+			printf '%s\n' "${_OH_BUILDSYSTEM_SYSTEM}"
+			_oh_return 0
 			return ${?}
 		fi
 	else
-		for _ohbsd_bs in ${_OH_BUILDSYSTEMS}; do
-			if "_oh_${_ohbsd_bs}_can_${_ohbsd_test_step}"; then
-				"_oh_${_ohbsd_bs}_${_ohbsd_step}" "${@}"
-				_oh_return ${?}
+		for _ohbsf_bs in ${_OH_BUILDSYSTEMS}; do
+			if "_oh_${_ohbsf_bs}_can_${_ohbsf_test_step}"; then
+				printf '%s\n' "${_ohbsf_bs}"
+				_oh_return 0
 				return ${?}
 			fi
 		done
@@ -113,9 +111,28 @@ oh_buildsystem_do()
 	return ${?}
 }
 
+oh_buildsystem_do()
+{
+	_oh_local _ohbsd_step _ohbsd_system
+
+	if [ ${#} -ge 2 ]; then
+		_ohbsd_step="${1}"
+		_ohbsd_system="${2}"
+		shift 2
+	else
+		_oh_return 125
+		return ${?}
+	fi
+
+	"_oh_${_ohbsd_system}_${_ohbsd_step}" "${@}"
+
+	_oh_return ${?}
+	return ${?}
+}
+
 oh_buildsystem_arch()
 {
-	_oh_local _ohbsa_arch _ohbsa_bs_arch 
+	_oh_local _ohbsa_arch _ohbsa_bs_arch _ohbsa_system
 
 	if [ ${#} -eq 1 ]; then
 		_ohbsa_arch="${1}"
@@ -124,10 +141,17 @@ oh_buildsystem_arch()
 		return ${?}
 	fi
 
+	_ohbsa_system="$(oh_buildsystem_find 'configure')"
+	if [ ${?} -ne 0 ]; then
+		_oh_return 1
+		return ${?}
+	fi
+
 	# Try to find a suitable build system host arch.
 	for _ohbsa_bs_arch in $(cat '@@ARCHTAB@@/'"${_ohbsa_arch}/${_ohbsa_system}")
 	do
-		if ob_buildsystem_do 'configure:testarch'; then
+		if oh_buildsystem_do 'testarch' "${_ohbsa_system}"; then
+			printf '%s\n' "${_ohbsa_bs_arch}"
 			_oh_return 0
 			return ${?}
 		fi
diff --git a/lib/buildsystem/autoconf.sh b/lib/buildsystem/autoconf.sh
index 446e017..b770c7f 100644
--- a/lib/buildsystem/autoconf.sh
+++ b/lib/buildsystem/autoconf.sh
@@ -94,3 +94,10 @@ _oh_autoconf_can_install()
 {
 	return 1
 }
+
+_oh_autoconf_testarch()
+{
+	# TODO: This should call config.sub, which may be in src or src/conftools
+	# (or elsewhere?).
+	return 0
+}
diff --git a/src/oh-autobuild.sh b/src/oh-autobuild.sh
index 1f24d5c..f76858f 100644
--- a/src/oh-autobuild.sh
+++ b/src/oh-autobuild.sh
@@ -48,7 +48,9 @@ main()
 
 	oh_buildsystems_init
 
-	oh_buildsystem_do 'build' "${@}"
+	if sys="$(oh_buildsystem_find 'build')"; then
+		oh_buildsystem_do 'build' "${sys}" "${@}"
+	fi
 }
 
 main "${@}"
diff --git a/src/oh-autoclean.sh b/src/oh-autoclean.sh
index e0488bd..e5d1653 100644
--- a/src/oh-autoclean.sh
+++ b/src/oh-autoclean.sh
@@ -45,7 +45,9 @@ main()
 
 	oh_buildsystems_init
 
-	oh_buildsystem_do 'clean' "${@}"
+	if sys="$(oh_buildsystem_find 'clean')"; then
+		oh_buildsystem_do 'clean' "${sys}" "${@}"
+	fi
 }
 
 main "${@}"
diff --git a/src/oh-autoconfigure.sh b/src/oh-autoconfigure.sh
index 6c524da..b56ac55 100644
--- a/src/oh-autoconfigure.sh
+++ b/src/oh-autoconfigure.sh
@@ -48,7 +48,9 @@ main()
 
 	oh_buildsystems_init
 
-	oh_buildsystem_do 'configure' "${@}"
+	if sys="$(oh_buildsystem_find 'configure')"; then
+		oh_buildsystem_do 'configure' "${sys}" "${@}"
+	fi
 }
 
 main "${@}"
diff --git a/src/oh-autoinstall.sh b/src/oh-autoinstall.sh
index b50174e..6d494bc 100644
--- a/src/oh-autoinstall.sh
+++ b/src/oh-autoinstall.sh
@@ -48,7 +48,9 @@ main()
 
 	oh_buildsystems_init
 
-	oh_buildsystem_do 'install' "${@}"
+	if sys="$(oh_buildsystem_find 'install')"; then
+		oh_buildsystem_do 'install' "${sys}" "${@}"
+	fi
 }
 
 main "${@}"
diff --git a/src/oh-autotest.sh b/src/oh-autotest.sh
index 7176c08..db5ffff 100644
--- a/src/oh-autotest.sh
+++ b/src/oh-autotest.sh
@@ -45,7 +45,9 @@ main()
 
 	oh_buildsystems_init
 
-	oh_buildsystem_do 'test' "${@}"
+	if sys="$(oh_buildsystem_find 'test')"; then
+		oh_buildsystem_do 'test' "${sys}" "${@}"
+	fi
 }
 
 main "${@}"
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