From e206c6620ac6c3f2fd01dd2d1b1390e6e262cd8f Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Tue, 06 Mar 2012 13:39:44 -0500
Subject: Rename all source files.

---
(limited to 'lib/architecture.sh')

diff --git a/lib/architecture.sh b/lib/architecture.sh
new file mode 100644
index 0000000..79f3dbb
--- /dev/null
+++ b/lib/architecture.sh
@@ -0,0 +1,71 @@
+#! /bin/sh
+#
+# opkhelper
+# lib/architecture
+# Functions for determining the target architecture.
+#
+# 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 3 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/>.
+
+. @@LIBDIR@@/opkhelper/controlfields
+
+oh_is_buildable()
+{
+	_pkgarch=$(oh_get_field "${1}" Architecture)
+
+	# "all" or "any".
+	if [ "${_pkgarch}" = all -o "${_pkgarch}" = any ]; then
+		return 0
+	fi
+
+	# Platform.
+	if [ -n "$(echo "${_pkgarch}" | grep -E '^[^-]+$')" ]; then
+		return [ "${_pkgarch}" = "${OH_PLATFORM}" ]
+	fi
+
+	# Tokenize the 3-tuple binary architecture.
+	IFS=- read _pkgcpu _pkgkernel _pkglibs <<EOF
+${_pkgarch}
+EOF
+
+	# Test each element of the tuple.
+	[ "${_pkgcpu}" != any -a "${_pkgcpu}" != "${OH_ARCH_CPU}" ] &&
+		return 1
+	[ "${_pkgkernel}" != any -a "${_pkgkernel}" != "${OH_ARCH_KERNEL}" ] &&
+		return 1
+	[ "${_pkglibs}" != any -a "${_pkglibs}" != "${OH_ARCH_LIBS}" ] &&
+		return 1
+
+	return 0
+}
+
+oh_get_package_architecture()
+{
+	_pkgarch=$(oh_get_field "${1}" Architecture)
+
+	# "all".
+	if [ "${_pkgarch}" = all ]; then
+		echo all
+		return 0
+	fi
+
+	if [ -n "${OH_PLATFORM}" ]; then
+		echo "${OH_PLATFORM}"
+	else
+		echo "${OH_ARCH}"
+	fi
+
+	return 0
+}
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