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|
#! /bin/sh
#
# opkhelper
# configure
# Configuration script to generate Makefile.
#
# 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/>.
package_name='opkhelper'
package_version='2.0.0'
package_description='opkg Build Helper Tools'
srcdir=$(dirname "${0}")
srcdir=$(cd ${srcdir} && pwd)
prefix='/usr/local'
bindir='$(prefix)/bin'
libdir='$(prefix)/lib/opkhelper'
datadir='$(prefix)/share'
mandir='$(datadir)/man'
localedir='$(datadir)/locale'
quiet=false
missing_deps=false
dep_cmds='
sh
opkg
'
long_opts_with_args='
srcdir
prefix
bindir
libdir
datadir
mandir
localedir
'
features="${dep_cmds}"
subst_vars="package_name
package_version
package_description
${long_opts_with_args}
${dep_cmds}"
main()
{
parse_options "${@}"
for dep in ${dep_cmds}; do
dep_val=$(eval echo \$\{"${dep}"\})
if [ -z "${dep_val}" ]; then
find_dep_cmd "${dep}"
fi
done
if ${missing_deps}; then
cat <<EOF
Some dependencies could not be found.
Please make sure all dependencies are installed and try again.
EOF
exit 1
fi
write_makefiles
printf '\nConfiguration complete!\n\n'
}
print_usage()
{
printf 'Usage: %s [OPTION]...\n' "${0}"
}
print_help()
{
cat <<EOF
\`configure' configures ${PACKAGE} ${VERSION} to adapt to many kinds of systems.
$(print_usage)
Configuration:
-h, --help display this help and exit
-V, --version display version information and exit
-q, --quiet do not print \`checking ...' messages
--srcdir=SRCDIR find the scripts in SRCDIR
default: configure dir
Installation directories:
--prefix=PREFIX install files under PREFIX
default: /usr/local
--bindir=BINDIR install scripts in BINDIR
default: PREFIX/bin
--libdir=LIBDIR install library scripts in LIBDIR
default: PREFIX/lib
--datadir=DATADIR expect to find data in DATADIR
default: PREFIX/share
--mandir=MANDIR install manual pages in MANDIR
default: DATADIR/man
--localedir=LOCALEDIR install locales in LOCALEDIR
default: DATADIR/man
EOF
}
print_version()
{
cat <<EOF
${package_name} ${package_version} configure
Not generated by GNU Autoconf
Copyright (C) 2011-2012 Patrick "P. J." McDermott
License: GNU GPL version 3 or later <http://www.gnu.org/licenses/gpl.html>.
This configure script is free software: you can redistribute and/or modify it.
There is NO WARRANTY, to the extent permitted by law.
EOF
}
parse_options()
{
for _opt; do
# Handle arguments of "--opt arg" options.
if [ -n "${_prev}" ]; then
eval "${_prev}=\$\{_opt\}"
_prev=
continue
fi
# Detect "--opt=arg" and "--opt arg" options.
case "${_opt}" in
*=*)
_optarg="${_opt#*=}"
_opt="${_opt%=*}"
_optarg_set=true
;;
*)
_optarg_set=false
;;
esac
# Handle short and long options.
case "${_opt}" in
--)
break
;;
-h|--help)
print_help
exit 0
;;
-V|--version)
print_version
exit 0
;;
-q|--quiet)
quiet=true
continue
;;
esac
# Anything beyond this point should be a long option.
case "${_opt}" in
--with-*)
_opt="${_opt#--with-}"
_opts="${features}"
_type=package
;;
--*)
_opt="${_opt#--}"
_opts="${long_opts_with_args}"
_type=option
;;
*)
printf 'unrecognized option: %s\n' "${_opt}" >&2
exit 1
;;
esac
grep "^${_opt}\$" >/dev/null 2>&1 <<EOF
"${_opts}"
EOF
if [ ${?} -ne 0 ]; then
printf 'invalid %s name: %s\n' "${_type}" "${_opt}" >&2
exit 1
fi
if ${_optarg_set}; then
eval ${_opt}=\$\{_optarg\}
else
_prev="${_opt}"
fi
done
}
find_dep_cmd()
{
_dep="${1}"
${quiet} || printf 'checking for %s... ' "${dep}"
_old_ifs="${IFS}"
IFS=:
for _element in ${PATH}; do
: ${_element=-.}
if [ -f "${_element}/${_dep}" -a -x "${_element}/${_dep}" ]; then
${quiet} || printf '%s/%s\n' "${_element}" "${_dep}"
eval "${_dep}=${_element}/${_dep}"
IFS="${_old_ifs}"
return 0
fi
done
IFS="${_old_ifs}"
${quiet} || printf 'not found\n'
missing_deps=true
return 1
}
write_makefiles()
{
# Make a script to edit input makefiles.
_sed_script=
for _var in ${subst_vars}; do
_sed_script="${_sed_script}s&@${_var}@&$(eval echo \$\{"${_var}"\})&g;"
done
for _dir in . src lib locale man; do
sed "${_sed_script}" "${srcdir}/${_dir}/Makefile.in" >"${_dir}/Makefile"
done
}
main "${@}"
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