From 41b4397694b7892aa4176753e8365ce192c3438d Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Wed, 14 Nov 2012 20:00:52 -0500
Subject: Implement a "kbuild" build system plugin.

---
(limited to 'lib/buildsystem')

diff --git a/lib/buildsystem/Makefile.in b/lib/buildsystem/Makefile.in
index 3138aff..a7b3c59 100644
--- a/lib/buildsystem/Makefile.in
+++ b/lib/buildsystem/Makefile.in
@@ -33,7 +33,7 @@ sed_script = s&@@PACKAGE_NAME@@&$(package_name)&;\
 .SUFFIXES:
 .SUFFIXES: .sh .sm
 
-SRCS = autoconf.sh make.sh
+SRCS = autoconf.sh make.sh kbuild.sh
 OBJS = $(SRCS:.sh=.sm)
 
 distdir = ../../$(package_name)-$(package_version)/lib/buildsystem
diff --git a/lib/buildsystem/kbuild.sh b/lib/buildsystem/kbuild.sh
new file mode 100644
index 0000000..5a1c5d2
--- /dev/null
+++ b/lib/buildsystem/kbuild.sh
@@ -0,0 +1,116 @@
+# opkhelper
+# lib/buildsystem/kbuild
+# Build system plugin for kbuild.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ -n "${_OH_BUILDSYSTEM_KBUILD_SM}" ] && return 0
+_OH_BUILDSYSTEM_KBUILD_SM='true'
+
+_oh_kbuild_can_configure()
+{
+	[ -d "${_OH_BUILDSYSTEM_SOURCE_DIR}/scripts/kconfig" -a \
+		-r "${_OH_BUILDSYSTEM_SOURCE_DIR}/Makefile" ]
+}
+
+_oh_kbuild_configure()
+{
+	return 0
+}
+
+_oh_kbuild_can_build()
+{
+	_oh_kbuild_can_configure
+}
+
+_oh_kbuild_build()
+{
+	_oh_kbuild_update_target '' "${@}"
+}
+
+_oh_kbuild_can_clean()
+{
+	_oh_kbuild_can_configure
+}
+
+_oh_kbuild_clean()
+{
+	_oh_kbuild_update_target 'clean' "${@}"
+}
+
+_oh_kbuild_can_test()
+{
+	return 1
+}
+
+_oh_kbuild_can_install()
+{
+	_oh_kbuild_can_configure
+}
+
+_oh_kbuild_install()
+{
+	_oh_kbuild_update_target 'install' \
+		"${@}" "DESTDIR=${_OH_BUILDSYSTEM_DESTDIR}"
+}
+
+_oh_kbuild_update_target()
+{
+	_oh_local _ohbskut_target _ohbskut_arch _ohbskut_rc
+
+	_ohbskut_target="${1}"
+	shift
+
+	if ! _ohbskut_arch="$(oh_buildsystem_arch "${OPK_HOST_ARCH}" 'kbuild')"
+	then
+		_oh_return 1
+		return ${?}
+	fi
+
+	mkdir -p "${_OH_BUILDSYSTEM_BUILD_DIR}"
+	cd "${_OH_BUILDSYSTEM_BUILD_DIR}"
+
+	if [ -n "${_OH_BUILDSYSTEM_BUILD_TARGET}" ]; then
+		make ARCH="${_ohbskut_arch}" CROSS_COMPILE="${OPK_TOOL_PREFIX}" \
+			"${@}" "${_OH_BUILDSYSTEM_BUILD_TARGET}"
+		_ohbskut_rc=${?}
+	elif [ -n "${_ohbskut_target}" ]; then
+		make ARCH="${_ohbskut_arch}" CROSS_COMPILE="${OPK_TOOL_PREFIX}" \
+			"${@}" "${_ohbskut_target}"
+		_ohbskut_rc=${?}
+	else
+		make ARCH="${_ohbskut_arch}" CROSS_COMPILE="${OPK_TOOL_PREFIX}" \
+			"${@}"
+		_ohbskut_rc=${?}
+	fi
+
+	cd "${_OH_BUILDSYSTEM_WORK_AREA}"
+
+	_oh_return ${_ohbskut_rc}
+	return ${?}
+}
+
+_oh_kbuild_test_arch()
+{
+	_oh_local _ohbskta_arch
+
+	_ohbskta_arch="${1}"
+
+	make -n ARCH="${_ohbskta_arch}" help >/dev/null 2>&1
+
+	_ob_return ${?}
+	return ${?}
+}
--
cgit v0.9.1