25 files changed, 1074 insertions, 22 deletions

diff --git a/.gitignore b/.gitignore
index e5dbd7c..8a6293e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,8 @@ Session.vim
 # Generated files
 Makefile
 src/*[^.]??
+lib/*.sm
+lib/*/*.sm
 man/*[^.]??
 locale/*/*.ms
 opkhelper-*.tar.*
diff --git a/Makefile.in b/Makefile.in
index 253a0be..ea83095 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -26,6 +26,7 @@ bindir = @bindir@
 libdir = @libdir@
 datadir = @datadir@
 mandir = @mandir@
+libopkhelper = @libopkhelper@
 libopkbuild_1 = @libopkbuild_1@
 
 DESTDIR = /
@@ -39,6 +40,7 @@ MACROS = \
 	'libdir=$(libdir)' \
 	'datadir=$(datadir)' \
 	'mandir=$(mandir)' \
+	'libopkhelper=$(libopkhelper)' \
 	'libopkbuild_1=$(libopkbuild_1)'
 
 distdir = $(package_name)-$(package_version)
@@ -49,6 +51,9 @@ distfiles = configure Makefile.in COPYING README INSTALL ChangeLog TODO
 all:
 	@printf 'Making executable files...\n'
 	@cd src && $(MAKE) $(MACROS) all
+	@printf 'Making library files...\n'
+	@cd lib && $(MAKE) $(MACROS) all
+	@cd lib/buildsystem && $(MAKE) $(MACROS) all
 	@printf 'Making locales...\n'
 	@cd locale && $(MAKE) $(MACROS) all
 	@printf 'Making manual pages...\n'
@@ -57,6 +62,9 @@ all:
 clean:
 	@printf 'Cleaning executable files...\n'
 	@cd src && $(MAKE) $(MACROS) clean
+	@printf 'Cleaning library files...\n'
+	@cd lib && $(MAKE) $(MACROS) clean
+	@cd lib/buildsystem && $(MAKE) $(MACROS) clean
 	@printf 'Cleaning locales...\n'
 	@cd locale && $(MAKE) $(MACROS) clean
 	@printf 'Cleaning manual pages...\n'
@@ -65,6 +73,9 @@ clean:
 install: all
 	@printf 'Installing executable files...\n'
 	@cd src && $(MAKE) $(MACROS) install
+	@printf 'Installing library files...\n'
+	@cd lib && $(MAKE) $(MACROS) install
+	@cd lib/buildsystem && $(MAKE) $(MACROS) install
 	@printf 'Installing locales...\n'
 	@cd locale && $(MAKE) $(MACROS) install
 	@printf 'Installing manual pages...\n'
@@ -73,6 +84,9 @@ install: all
 uninstall:
 	@printf 'Uninstalling executable files...\n'
 	@cd src && $(MAKE) $(MACROS) uninstall
+	@printf 'Uninstalling library files...\n'
+	@cd lib/buildsystem && $(MAKE) $(MACROS) uninstall
+	@cd lib && $(MAKE) $(MACROS) uninstall
 	@printf 'Uninstalling locales...\n'
 	@cd locale && $(MAKE) $(MACROS) uninstall
 	@printf 'Uninstalling manual pages...\n'
@@ -82,6 +96,8 @@ $(distdir):
 	@mkdir -p '$(distdir)'
 	@cp -pR $(distfiles) '$(distdir)'
 	@cd src && $(MAKE) '../$(distdir)/src'
+	@cd lib && $(MAKE) '../$(distdir)/lib'
+	@cd lib/buildsystem && $(MAKE) '../$(distdir)/lib/buildsystem'
 	@cd locale && $(MAKE) '../$(distdir)/locale'
 	@cd man && $(MAKE) '../$(distdir)/man'
 
diff --git a/configure b/configure
index 9a55e7b..69ba15a 100755
--- a/configure
+++ b/configure
@@ -30,6 +30,7 @@ libdir='$(prefix)/share'
 datadir='$(prefix)/share'
 mandir='$(datadir)/man'
 localedir='$(datadir)/locale'
+libopkhelper='$(libdir)/libopkhelper.3.0'
 
 quiet='false'
 missing_deps='false'
@@ -62,6 +63,7 @@ package_name
 package_version
 package_description
 ${long_opts_with_args}
+libopkhelper
 ${features}
 "
 
@@ -309,7 +311,7 @@ write_makefiles()
 		_sed_script="${_sed_script}s&@${_var}@&$(eval echo \$\{"${_var}"\})&g;"
 	done
 
-	for _dir in . src locale man; do
+	for _dir in . src lib lib/buildsystem locale man; do
 		mkdir -p "${_dir}"
 		sed "${_sed_script}" "${srcdir}/${_dir}/Makefile.in" >"${_dir}/Makefile"
 	done
diff --git a/lib/Makefile.in b/lib/Makefile.in
new file mode 100644
index 0000000..5c2a6f9
--- /dev/null
+++ b/lib/Makefile.in
@@ -0,0 +1,76 @@
+# opkhelper
+# Makefile.in
+# Input Makefile for configure.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package_name = @package_name@
+package_version= @package_version@
+
+srcdir = @srcdir@
+prefix = @prefix@
+libdir = @libdir@
+datadir = @datadir@
+localedir = @localedir@
+libopkhelper = @libopkhelper@
+libopkbuild_1 = @libopkbuild_1@
+
+sed_script = s&@@PACKAGE_NAME@@&$(package_name)&;\
+             s&@@PACKAGE_VERSION@@&$(package_version)&;\
+             s&@@LOCALEDIR@@&$(localedir)&;\
+             s&@@LIBOPKHELPER@@&$(libopkhelper)&;\
+             s&@@LIBOPKBUILD_1@@&$(libopkbuild_1)&;
+
+.SUFFIXES:
+.SUFFIXES: .sh .sm
+
+SRCS = load.sh                          common.sh                        \
+       buildsystem.sh
+OBJS = $(SRCS:.sh=.sm)
+
+distdir = ../$(package_name)-$(package_version)/lib
+distfiles = Makefile.in $(SRCS)
+
+all: $(OBJS)
+
+$(OBJS):
+	@printf '  SED lib/%s\n' '$@'
+	@sed '$(sed_script)' '$(srcdir)/lib/$*.sh' >'$@'
+
+clean:
+	@for obj in $(OBJS); do \
+		printf '  RM lib/%s\n' "$${obj}"; \
+		rm -f "$${obj}"; \
+	done
+
+install: all
+	@mkdir -p '$(DESTDIR)/$(libopkhelper)'
+	@for obj in $(OBJS); do \
+		printf '  INSTALL lib/%s\n' "$${obj}"; \
+		cp "$${obj}" "$(DESTDIR)/$(libopkhelper)/$${obj}"; \
+		chmod 644 "$(DESTDIR)/$(libopkhelper)/$${obj}"; \
+	done
+
+uninstall:
+	@for obj in $(OBJS); do \
+		printf '  RM %s\n' "$${obj}"; \
+		rm -f "$(DESTDIR)/$(libopkhelper)/$${obj}"; \
+	done
+	@rmdir '$(DESTDIR)/$(libopkhelper)' 2>/dev/null || true
+
+$(distdir):
+	@mkdir -p '$(distdir)'
+	@cp -pR $(distfiles) '$(distdir)'
diff --git a/lib/buildsystem.sh b/lib/buildsystem.sh
new file mode 100644
index 0000000..7cf70f5
--- /dev/null
+++ b/lib/buildsystem.sh
@@ -0,0 +1,108 @@
+# opkhelper
+# lib/buildsystem
+# Interface for interacting with software build systems.
+#
+# 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_SM}" ] && return 0
+_OH_BUILDSYSTEM_SM='true'
+
+_OH_BUILDSYSTEMS='
+autoconf
+make
+'
+
+oh_buildsystems_init()
+{
+	_oh_local _ohbsi_bs
+
+	for _ohbsi_bs in ${_OH_BUILDSYSTEMS}; do
+		oh_use "buildsystem/${_ohbsi_bs}"
+	done
+
+	_OH_BUILDSYSTEM_WORK_AREA="${PWD}"
+	_OH_BUILDSYSTEM_SOURCE_DIR="$(cd src && pwd)"
+
+	[ -z "${_OH_BUILDSYSTEM_BUILD_DIR}" ] && \
+		_OH_BUILDSYSTEM_BUILD_DIR="${PWD}/src"
+	[ -z "${_OH_BUILDSYSTEM_DESTDIR}" ] && \
+		_OH_BUILDSYSTEM_DESTDIR="${PWD}/dest"
+	[ -z "${_OH_BUILDSYSTEM_SYSTEM}" ] && \
+		_OH_BUILDSYSTEM_SYSTEM=''
+}
+
+oh_set_buildsystem_option()
+{
+	_oh_local _ohsbso_name _obsbso_value
+
+	if [ ${#} -eq 2 ]; then
+		_ohsbso_name="${1}"
+		_ohsbso_value="${2}"
+	else
+		_oh_return 125
+		return ${?}
+	fi
+
+	case "${_ohsbso_name}" in
+		'build-dir')
+			_OH_BUILDSYSTEM_BUILD_DIR="${_ohsbso_value}"
+			;;
+		'destdir')
+			_OH_BUILDSYSTEM_DESTDIR="${_ohsbso_value}"
+			;;
+		'build-system')
+			_OH_BUILDSYSTEM_SYSTEM="${_ohsbso_value}"
+			;;
+		*)
+			_oh_return 125
+			return ${?}
+			;;
+	esac
+}
+
+oh_buildsystem_do()
+{
+	_oh_local _ohbsd_step _ohbsd_bs _ohbsd_done
+
+	if [ ${#} -ge 1 ]; then
+		_ohbsd_step="${1}"
+		shift 1
+	else
+		_oh_return 125
+		return ${?}
+	fi
+
+	_ohbsd_done='false'
+
+	if [ -n "${_OH_BUILDSYSTEM_SYSTEM}" ]; then
+		if "_oh_${_OH_BUILDSYSTEM_SYSTEM}_can_${_ohbsd_step}"; then
+			"_oh_${_OH_BUILDSYSTEM_SYSTEM}_${_ohbsd_step}" "${@}"
+			_ohbsd_done='true'
+		fi
+	else
+		for _ohbsd_bs in ${_OH_BUILDSYSTEMS}; do
+			if "_oh_${_ohbsd_bs}_can_${_ohbsd_step}"; then
+				"_oh_${_ohbsd_bs}_${_ohbsd_step}" "${@}"
+				_ohbsd_done='true'
+				break
+			fi
+		done
+	fi
+
+	if ! ${_ohbsd_done}; then
+		: error
+	fi
+}
diff --git a/lib/buildsystem/Makefile.in b/lib/buildsystem/Makefile.in
new file mode 100644
index 0000000..abc59ff
--- /dev/null
+++ b/lib/buildsystem/Makefile.in
@@ -0,0 +1,69 @@
+# opkhelper
+# Makefile.in
+# Input Makefile for configure.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package_name = @package_name@
+package_version= @package_version@
+
+srcdir = @srcdir@
+prefix = @prefix@
+libdir = @libdir@
+libopkhelper = @libopkhelper@
+
+sed_script = s&@@PACKAGE_NAME@@&$(package_name)&;\
+             s&@@PACKAGE_VERSION@@&$(package_version)&;
+
+.SUFFIXES:
+.SUFFIXES: .sh .sm
+
+SRCS = autoconf.sh make.sh
+OBJS = $(SRCS:.sh=.sm)
+
+distdir = ../../$(package_name)-$(package_version)/lib/buildsystem
+distfiles = Makefile.in $(SRCS)
+
+all: $(OBJS)
+
+$(OBJS):
+	@printf '  SED lib/buildsystem/%s\n' '$@'
+	@sed '$(sed_script)' '$(srcdir)/lib/buildsystem/$*.sh' >'$@'
+
+clean:
+	@for obj in $(OBJS); do \
+		printf '  RM lib/buildsystem/%s\n' "$${obj}"; \
+		rm -f "$${obj}"; \
+	done
+
+install: all
+	@mkdir -p '$(DESTDIR)/$(libopkhelper)/buildsystem'
+	@for obj in $(OBJS); do \
+		printf '  INSTALL lib/buildsystem/%s\n' "$${obj}"; \
+		cp "$${obj}" "$(DESTDIR)/$(libopkhelper)/buildsystem/$${obj}"; \
+		chmod 644 "$(DESTDIR)/$(libopkhelper)/buildsystem/$${obj}"; \
+	done
+
+uninstall:
+	@for obj in $(OBJS); do \
+		printf '  RM %s\n' "$${obj}"; \
+		rm -f "$(DESTDIR)/$(libopkhelper)/buildsystem/$${obj}"; \
+	done
+	@rmdir '$(DESTDIR)/$(libopkhelper)/buildsystem' 2>/dev/null || true
+
+$(distdir):
+	@mkdir -p '$(distdir)'
+	@cp -pR $(distfiles) '$(distdir)'
diff --git a/lib/buildsystem/autoconf.sh b/lib/buildsystem/autoconf.sh
new file mode 100644
index 0000000..13370ae
--- /dev/null
+++ b/lib/buildsystem/autoconf.sh
@@ -0,0 +1,72 @@
+# opkhelper
+# lib/buildsystem/autoconf
+# Build system plugin for GNU Autoconf.
+#
+# 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 "${_OH_BUILDSYSTEM_AUTOCONF_SM}" ] && return 0
+_OH_BUILDSYSTEM_AUTOCONF_SM='true'
+
+_oh_autoconf_can_configure()
+{
+	[ -x "${_OH_BUILDSYSTEM_SOURCE_DIR}/configure" ]
+}
+
+_oh_autoconf_configure()
+{
+	mkdir -p "${_OH_BUILDSYSTEM_BUILD_DIR}"
+	cd "${_OH_BUILDSYSTEM_BUILD_DIR}"
+
+	"${_OH_BUILDSYSTEM_SOURCE_DIR}/configure" \
+		--prefix='/usr' \
+		--bindir='${prefix}/bin' \
+		--sbindir='${prefix}/sbin' \
+		--libexecdir='${prefix}/lib' \
+		--sysconfdir='/etc' \
+		--localstatedir='/var' \
+		--libdir='${prefix}/lib' \
+		--includedir='${prefix}/include' \
+		--infodir='${prefix}/share/info' \
+		--mandir='${prefix}/share/man' \
+		--build="${OPK_BUILD_ARCH_GNU}" \
+		$([ "${OPK_BUILD_ARCH}" != "${OPK_HOST_ARCH}" ] && \
+			printf '%s' "--host=${OPK_HOST_ARCH_GNU}") \
+		--disable-maintainer-mode \
+		--disable-dependency-tracking \
+		"${@}"
+
+	cd "${_OH_BUILDSYSTEM_WORK_AREA}"
+}
+
+_oh_autoconf_can_build()
+{
+	return 1
+}
+
+_oh_autoconf_can_clean()
+{
+	return 1
+}
+
+_oh_autoconf_can_test()
+{
+	return 1
+}
+
+_oh_autoconf_can_install()
+{
+	return 1
+}
diff --git a/lib/buildsystem/make.sh b/lib/buildsystem/make.sh
new file mode 100644
index 0000000..5df424a
--- /dev/null
+++ b/lib/buildsystem/make.sh
@@ -0,0 +1,97 @@
+# opkhelper
+# lib/buildsystem/make
+# Build system plugin for POSIX-conformant make.
+#
+# 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 "${_OH_BUILDSYSTEM_MAKE_SM}" ] && return 0
+_OH_BUILDSYSTEM_MAKE_SM='true'
+
+_oh_make_can_configure()
+{
+	return 1
+}
+
+_oh_make_can_build()
+{
+	[ -r "${_OH_BUILDSYSTEM_SOURCE_DIR}/makefile" -o \
+		-r "${_OH_BUILDSYSTEM_SOURCE_DIR}/Makefile" ]
+}
+
+_oh_make_build()
+{
+	_oh_make_update_first_defined_target '' "${@}"
+}
+
+_oh_make_can_clean()
+{
+	_oh_make_can_build
+}
+
+_oh_make_clean()
+{
+	_oh_make_update_first_defined_target 'distclean realclean clean' "${@}"
+}
+
+_oh_make_can_test()
+{
+	_oh_make_can_build
+}
+
+_oh_make_test()
+{
+	_oh_make_update_first_defined_target 'test check' "${@}"
+}
+
+_oh_make_can_install()
+{
+	_oh_make_can_build
+}
+
+_oh_make_install()
+{
+	_oh_make_update_first_defined_target 'install' \
+		"${@}" "DESTDIR=${_OH_BUILDSYSTEM_DESTDIR}"
+}
+
+_oh_make_update_first_defined_target()
+{
+	_oh_local _ohbsmufdt_targets _ohbsmufdt_target
+
+	_ohbsmufdt_targets="${1}"
+	shift
+
+	mkdir -p "${_OH_BUILDSYSTEM_BUILD_DIR}"
+	cd "${_OH_BUILDSYSTEM_BUILD_DIR}"
+
+	if [ -z "${_ohbsmufdt_targets}" ]; then
+		make "${@}"
+	else
+		for _ohbsmufdt_target in ${_ohbsmufdt_targets}; do
+			# If the target is defined, ...
+			if make -n "${_ohbsmufdt_target}" >/dev/null 2>&1; then
+				# ... then update it.
+				make "${@}" "${_ohbsmufdt_target}"
+				break
+			fi
+		done
+	fi
+
+	cd "${_OH_BUILDSYSTEM_WORK_AREA}"
+
+	_oh_return 0
+	return ${?}
+}
diff --git a/lib/common.sh b/lib/common.sh
new file mode 100644
index 0000000..b0c465c
--- /dev/null
+++ b/lib/common.sh
@@ -0,0 +1,62 @@
+# opkhelper
+# lib/common
+# Functions for stack memory management.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ -n "${_OH_COMMON_SM}" ] && return 0
+_OH_COMMON_SM='true'
+
+_OH_STACK_VARS=
+_OH_SAVED_IFS=
+
+_oh_local()
+{
+	# Push the variable list onto the stack.
+	_OH_STACK_VARS="${_OH_STACK_VARS}|${*}"
+
+	# Save the old IFS value, if any, and set it to its default.
+	_OH_SAVED_IFS="${IFS}"
+	IFS=' 	
+'
+}
+
+_oh_return()
+{
+	# Unset the variables at the top of the stack.
+	IFS=' '
+	unset -v ${_OH_STACK_VARS##*|}
+
+	# Pop the variable list from the top of the stack.
+	_OH_STACK_VARS="${_OH_STACK_VARS%|*}"
+
+	# Restore the saved IFS.
+	IFS="${_OH_SAVED_IFS}"
+
+	return ${1}
+}
+
+oh_init()
+{
+	ob_use locale
+	ob_use output
+
+	# Since nothing other than opkhelper is supposed to use libopkhelper, we can
+	# do strange things like affecting application-wide locale settings from the
+	# library and assume that no one will play with them.
+	ob_set_locale_path '@@LOCALEDIR@@/%s/LC_MESSAGES/%s.ms'
+	ob_set_text_domain 'opkhelper'
+}
diff --git a/lib/load.sh b/lib/load.sh
new file mode 100644
index 0000000..0b54f4a
--- /dev/null
+++ b/lib/load.sh
@@ -0,0 +1,51 @@
+# opkhelper
+# lib/load
+# Functions for loading library modules.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ -n "${_OH_LOAD_SM}" ] && return 0
+_OH_LOAD_SM='true'
+
+# The "common" module is used by this and all other modules.
+# We have to manually load the "common" module so we can use it in oh_use.
+. '@@LIBOPKHELPER@@/common.sm'
+
+# Assume that every library module and utility uses libopkbuild.
+. '@@LIBOPKBUILD_1@@/load.sm'
+
+oh_use()
+{
+	_oh_local _ohu_module
+
+	if [ ${#} -eq 1 ]; then
+		_ohu_module="${1}"
+	else
+		_oh_return 125
+		return ${?}
+	fi
+
+	_ohu_module='@@LIBOPKHELPER@@'"/${_ohu_module}.sm"
+	if [ -r "${_ohu_module}" ]; then
+		. "${_ohu_module}"
+	else
+		_oh_return 1
+		return ${?}
+	fi
+
+	_oh_return 0
+	return ${?}
+}
diff --git a/man/Makefile.in b/man/Makefile.in
index a684679..fe4350e 100644
--- a/man/Makefile.in
+++ b/man/Makefile.in
@@ -35,7 +35,9 @@ sed_script = s&@@PACKAGE_NAME@@&$(package_name)&;\
 .SUFFIXES:
 .SUFFIXES: .in
 
-SRCS = oh-installfiles.1.in oh-strip.1.in oh-fixperms.1.in
+SRCS = oh-installfiles.1.in oh-strip.1.in oh-fixperms.1.in \
+       oh-autoconfigure.1.in oh-autobuild.1.in \
+       oh-autoclean.1.in oh-autotest.1.in oh-autoinstall.1.in
 OBJS = $(SRCS:.in=)
 
 distdir = ../$(package_name)-$(package_version)/man
diff --git a/man/oh-autobuild.1.in b/man/oh-autobuild.1.in
new file mode 100644
index 0000000..4ebbe16
--- /dev/null
+++ b/man/oh-autobuild.1.in
@@ -0,0 +1,47 @@
+.\" Author: Patrick "P. J." McDermott
+.TH oh-autobuild 1 \
+"@@DATE@@" "@@PACKAGE_NAME@@-@@PACKAGE_VERSION@@" "@@PACKAGE_DESCRIPTION@@"
+
+.SH NAME
+oh-autobuild \- Automatically build a package.
+
+.SH SYNOPSIS
+.B oh-autobuild
+.RB [ -S
+.IR buildsystem ]
+.RB [ -B
+.IR builddir ]
+[\-\-
+.IR arguments ]
+
+.SH DESCRIPTION
+.B oh-autobuild
+attempts to automatically build a package.
+
+.SH OPTIONS
+.TP
+.BI \-S \ buildsystem
+Force the use of
+.IR buildsystem ,
+instead of trying to detect the one used by the package.
+.TP
+.BI \-B \ builddir
+Build in
+.I builddir
+instead of in the source directory.
+
+.SH COPYRIGHT
+Copyright (C) 2012 Patrick "P. J." McDermott
+.sp
+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.
+.sp
+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.
+.sp
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
diff --git a/man/oh-autoclean.1.in b/man/oh-autoclean.1.in
new file mode 100644
index 0000000..57fd91b
--- /dev/null
+++ b/man/oh-autoclean.1.in
@@ -0,0 +1,47 @@
+.\" Author: Patrick "P. J." McDermott
+.TH oh-autoclean 1 \
+"@@DATE@@" "@@PACKAGE_NAME@@-@@PACKAGE_VERSION@@" "@@PACKAGE_DESCRIPTION@@"
+
+.SH NAME
+oh-autoclean \- Automatically clean up a package's built files.
+
+.SH SYNOPSIS
+.B oh-autoclean
+.RB [ -S
+.IR buildsystem ]
+.RB [ -B
+.IR builddir ]
+[\-\-
+.IR arguments ]
+
+.SH DESCRIPTION
+.B oh-autoclean
+attempts to automatically clean up built files in the build directory.
+
+.SH OPTIONS
+.TP
+.BI \-S \ buildsystem
+Force the use of
+.IR buildsystem ,
+instead of trying to detect the one used by the package.
+.TP
+.BI \-B \ builddir
+Build in
+.I builddir
+instead of in the source directory.
+
+.SH COPYRIGHT
+Copyright (C) 2012 Patrick "P. J." McDermott
+.sp
+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.
+.sp
+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.
+.sp
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
diff --git a/man/oh-autoconfigure.1.in b/man/oh-autoconfigure.1.in
new file mode 100644
index 0000000..4394e72
--- /dev/null
+++ b/man/oh-autoconfigure.1.in
@@ -0,0 +1,47 @@
+.\" Author: Patrick "P. J." McDermott
+.TH oh-autoconfigure 1 \
+"@@DATE@@" "@@PACKAGE_NAME@@-@@PACKAGE_VERSION@@" "@@PACKAGE_DESCRIPTION@@"
+
+.SH NAME
+oh-autoconfigure \- Automatically configure a package to be built.
+
+.SH SYNOPSIS
+.B oh-autoconfigure
+.RB [ -S
+.IR buildsystem ]
+.RB [ -B
+.IR builddir ]
+[\-\-
+.IR arguments ]
+
+.SH DESCRIPTION
+.B oh-autoconfigure
+attempts to automatically configure a package to be built.
+
+.SH OPTIONS
+.TP
+.BI \-S \ buildsystem
+Force the use of
+.IR buildsystem ,
+instead of trying to detect the one used by the package.
+.TP
+.BI \-B \ builddir
+Build in
+.I builddir
+instead of in the source directory.
+
+.SH COPYRIGHT
+Copyright (C) 2012 Patrick "P. J." McDermott
+.sp
+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.
+.sp
+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.
+.sp
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
diff --git a/man/oh-autoinstall.1.in b/man/oh-autoinstall.1.in
new file mode 100644
index 0000000..9b97ebb
--- /dev/null
+++ b/man/oh-autoinstall.1.in
@@ -0,0 +1,55 @@
+.\" Author: Patrick "P. J." McDermott
+.TH oh-autoinstall 1 \
+"@@DATE@@" "@@PACKAGE_NAME@@-@@PACKAGE_VERSION@@" "@@PACKAGE_DESCRIPTION@@"
+
+.SH NAME
+oh-autoinstall \- Automatically install a package's data files.
+
+.SH SYNOPSIS
+.B oh-autoinstall
+.RB [ -S
+.IR buildsystem ]
+.RB [ -B
+.IR builddir ]
+.RB [ -d
+.IR destdir ]
+[\-\-
+.IR arguments ]
+
+.SH DESCRIPTION
+.B oh-autoinstall
+attempts to automatically install a package's data files.
+
+.SH OPTIONS
+.TP
+.BI \-S \ buildsystem
+Force the use of
+.IR buildsystem ,
+instead of trying to detect the one used by the package.
+.TP
+.BI \-B \ builddir
+Build in
+.I builddir
+instead of in the source directory.
+.TP
+.BI \-d \ destdir
+Install data files in
+.IR destdir .
+The default directory is
+.IR dest .
+
+.SH COPYRIGHT
+Copyright (C) 2012 Patrick "P. J." McDermott
+.sp
+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.
+.sp
+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.
+.sp
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
diff --git a/man/oh-autotest.1.in b/man/oh-autotest.1.in
new file mode 100644
index 0000000..49a16ca
--- /dev/null
+++ b/man/oh-autotest.1.in
@@ -0,0 +1,47 @@
+.\" Author: Patrick "P. J." McDermott
+.TH oh-autotest 1 \
+"@@DATE@@" "@@PACKAGE_NAME@@-@@PACKAGE_VERSION@@" "@@PACKAGE_DESCRIPTION@@"
+
+.SH NAME
+oh-autotest \- Automatically run a package's test suites.
+
+.SH SYNOPSIS
+.B oh-autotest
+.RB [ -S
+.IR buildsystem ]
+.RB [ -B
+.IR builddir ]
+[\-\-
+.IR arguments ]
+
+.SH DESCRIPTION
+.B oh-autotest
+attempts to automatically run a package's test suites.
+
+.SH OPTIONS
+.TP
+.BI \-S \ buildsystem
+Force the use of
+.IR buildsystem ,
+instead of trying to detect the one used by the package.
+.TP
+.BI \-B \ builddir
+Build in
+.I builddir
+instead of in the source directory.
+
+.SH COPYRIGHT
+Copyright (C) 2012 Patrick "P. J." McDermott
+.sp
+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.
+.sp
+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.
+.sp
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
diff --git a/src/Makefile.in b/src/Makefile.in
index d620dca..1886b13 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -26,14 +26,14 @@ bindir = @bindir@
 libdir = @libdir@
 datadir = @datadir@
 localedir = @localedir@
-libopkbuild_1 = @libopkbuild_1@
+libopkhelper = @libopkhelper@
 
 sh = @sh@
 
 sed_script = s&@@PACKAGE_NAME@@&$(package_name)&;\
              s&@@PACKAGE_VERSION@@&$(package_version)&;\
              s&@@LOCALEDIR@@&$(localedir)&;\
-             s&@@LIBOPKBUILD_1@@&$(libopkbuild_1)&;\
+             s&@@LIBOPKHELPER@@&$(libopkhelper)&;\
              s&@@SH@@&$(sh)&;
 
 .SUFFIXES:
@@ -42,7 +42,12 @@ sed_script = s&@@PACKAGE_NAME@@&$(package_name)&;\
 SRCS = \
        oh-installfiles.sh \
        oh-strip.sh \
-       oh-fixperms.sh
+       oh-fixperms.sh \
+       oh-autoconfigure.sh \
+       oh-autobuild.sh \
+       oh-autoclean.sh \
+       oh-autotest.sh \
+       oh-autoinstall.sh
 OBJS = $(SRCS:.sh=)
 
 distdir = ../$(package_name)-$(package_version)/src
diff --git a/src/oh-autobuild.sh b/src/oh-autobuild.sh
new file mode 100644
index 0000000..1bfe420
--- /dev/null
+++ b/src/oh-autobuild.sh
@@ -0,0 +1,51 @@
+#!@@SH@@
+#
+# opkhelper
+# src/oh-autobuild
+# Automatically build a package.
+#
+# 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/>.
+
+. '@@LIBOPKHELPER@@/load.sm'
+
+oh_use buildsystem
+
+main()
+{
+	oh_init
+
+	while getopts 'S:B:' opt; do
+		case "${opt}" in
+			S)
+				oh_set_buildsystem_option 'build-system' "${OPTARG}"
+				;;
+			B)
+				oh_set_buildsystem_option 'build-dir' "${OPTARG}"
+				;;
+			?)
+				ob_error "$(ob_get_msg 'bad_opt')"
+				exit 1
+				;;
+		esac
+	done
+	shift $(($OPTIND - 1))
+
+	oh_buildsystems_init
+
+	oh_buildsystem_do 'build' "${@}"
+}
+
+main "${@}"
diff --git a/src/oh-autoclean.sh b/src/oh-autoclean.sh
new file mode 100644
index 0000000..e0488bd
--- /dev/null
+++ b/src/oh-autoclean.sh
@@ -0,0 +1,51 @@
+#!@@SH@@
+#
+# opkhelper
+# src/oh-autoclean
+# Automatically clean up a package's built files.
+#
+# 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/>.
+
+. '@@LIBOPKHELPER@@/load.sm'
+
+oh_use buildsystem
+
+main()
+{
+	oh_init
+
+	while getopts 'S:B:' opt; do
+		case "${opt}" in
+			S)
+				oh_set_buildsystem_option 'build-system' "${OPTARG}"
+				;;
+			B)
+				oh_set_buildsystem_option 'build-dir' "${OPTARG}"
+				;;
+			?)
+				ob_error "$(ob_get_msg 'bad_opt')"
+				exit 1
+				;;
+		esac
+	done
+	shift $(($OPTIND - 1))
+
+	oh_buildsystems_init
+
+	oh_buildsystem_do 'clean' "${@}"
+}
+
+main "${@}"
diff --git a/src/oh-autoconfigure.sh b/src/oh-autoconfigure.sh
new file mode 100644
index 0000000..cef8e7f
--- /dev/null
+++ b/src/oh-autoconfigure.sh
@@ -0,0 +1,51 @@
+#!@@SH@@
+#
+# opkhelper
+# src/oh-autoconfigure
+# Automatically configure a package to be built.
+#
+# 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/>.
+
+. '@@LIBOPKHELPER@@/load.sm'
+
+oh_use buildsystem
+
+main()
+{
+	oh_init
+
+	while getopts 'S:B:' opt; do
+		case "${opt}" in
+			S)
+				oh_set_buildsystem_option 'build-system' "${OPTARG}"
+				;;
+			B)
+				oh_set_buildsystem_option 'build-dir' "${OPTARG}"
+				;;
+			?)
+				ob_error "$(ob_get_msg 'bad_opt')"
+				exit 1
+				;;
+		esac
+	done
+	shift $(($OPTIND - 1))
+
+	oh_buildsystems_init
+
+	oh_buildsystem_do 'configure' "${@}"
+}
+
+main "${@}"
diff --git a/src/oh-autoinstall.sh b/src/oh-autoinstall.sh
new file mode 100644
index 0000000..b50174e
--- /dev/null
+++ b/src/oh-autoinstall.sh
@@ -0,0 +1,54 @@
+#!@@SH@@
+#
+# opkhelper
+# src/oh-autoinstall
+# Automatically install a package's data files.
+#
+# 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/>.
+
+. '@@LIBOPKHELPER@@/load.sm'
+
+oh_use buildsystem
+
+main()
+{
+	oh_init
+
+	while getopts 'S:B:d:' opt; do
+		case "${opt}" in
+			S)
+				oh_set_buildsystem_option 'build-system' "${OPTARG}"
+				;;
+			B)
+				oh_set_buildsystem_option 'build-dir' "${OPTARG}"
+				;;
+			d)
+				oh_set_buildsystem_option 'destdir' "${OPTARG}"
+				;;
+			?)
+				ob_error "$(ob_get_msg 'bad_opt')"
+				exit 1
+				;;
+		esac
+	done
+	shift $(($OPTIND - 1))
+
+	oh_buildsystems_init
+
+	oh_buildsystem_do 'install' "${@}"
+}
+
+main "${@}"
diff --git a/src/oh-autotest.sh b/src/oh-autotest.sh
new file mode 100644
index 0000000..7176c08
--- /dev/null
+++ b/src/oh-autotest.sh
@@ -0,0 +1,51 @@
+#!@@SH@@
+#
+# opkhelper
+# src/oh-autotest
+# Automatically run a package's test suites.
+#
+# 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/>.
+
+. '@@LIBOPKHELPER@@/load.sm'
+
+oh_use buildsystem
+
+main()
+{
+	oh_init
+
+	while getopts 'S:B:' opt; do
+		case "${opt}" in
+			S)
+				oh_set_buildsystem_option 'build-system' "${OPTARG}"
+				;;
+			B)
+				oh_set_buildsystem_option 'build-dir' "${OPTARG}"
+				;;
+			?)
+				ob_error "$(ob_get_msg 'bad_opt')"
+				exit 1
+				;;
+		esac
+	done
+	shift $(($OPTIND - 1))
+
+	oh_buildsystems_init
+
+	oh_buildsystem_do 'test' "${@}"
+}
+
+main "${@}"
diff --git a/src/oh-fixperms.sh b/src/oh-fixperms.sh
index b9029df..d8f3886 100644
--- a/src/oh-fixperms.sh
+++ b/src/oh-fixperms.sh
@@ -19,17 +19,13 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-. '@@LIBOPKBUILD_1@@/load.sm'
-
-ob_use locale
-ob_use output
+. '@@LIBOPKHELPER@@/load.sm'
 
 main()
 {
 	dir='dest'
 
-	ob_set_locale_path '@@LOCALEDIR@@/%s/LC_MESSAGES/%s.ms'
-	ob_set_text_domain 'opkhelper'
+	oh_init
 
 	while getopts 'd:' opt; do
 		case "${opt}" in
diff --git a/src/oh-installfiles.sh b/src/oh-installfiles.sh
index d77c89b..6288e6a 100644
--- a/src/oh-installfiles.sh
+++ b/src/oh-installfiles.sh
@@ -19,10 +19,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-. '@@LIBOPKBUILD_1@@/load.sm'
+. '@@LIBOPKHELPER@@/load.sm'
 
-ob_use locale
-ob_use output
 ob_use package
 
 files_ifs='
@@ -32,8 +30,7 @@ main()
 {
 	dir='dest'
 
-	ob_set_locale_path '@@LOCALEDIR@@/%s/LC_MESSAGES/%s.ms'
-	ob_set_text_domain 'opkhelper'
+	oh_init
 
 	while getopts 'd:' opt; do
 		case "${opt}" in
diff --git a/src/oh-strip.sh b/src/oh-strip.sh
index bf328a5..96c4d3f 100644
--- a/src/oh-strip.sh
+++ b/src/oh-strip.sh
@@ -19,10 +19,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-. '@@LIBOPKBUILD_1@@/load.sm'
-
-ob_use locale
-ob_use output
+. '@@LIBOPKHELPER@@/load.sm'
 
 CR='
 '
@@ -32,8 +29,7 @@ main()
 	dir='dest'
 	keep_debug='false'
 
-	ob_set_locale_path '@@LOCALEDIR@@/%s/LC_MESSAGES/%s.ms'
-	ob_set_text_domain 'opkhelper'
+	oh_init
 
 	while getopts 'd:k' opt; do
 		case "${opt}" in