#!/bin/sh
#******************************************************************************#
# Defaults                                                                     #
#******************************************************************************#
# Project variables
name="libg1m"
version="<unknown version>"

# Maintainer
maintainer="Some unknown guy <anon@localhost>"

#******************************************************************************#
# Read arguments                                                               #
#******************************************************************************#
for arg ; do case "$arg" in
--name=*) name="${arg#*=}" ;;
--target=*) target="${arg#*=}" ;;
--version=*) version="${arg#*=}" ;;
--maintainer=*) maintainer="${arg#*=}" ;;
esac; done

#******************************************************************************#
# Write result                                                                 #
#******************************************************************************#
cat <<_EOF
#!/bin/sh
cfgtool=\$(basename \$0)
#******************************************************************************#
# Help message                                                                 #
#******************************************************************************#
usage() {
cat <<EOF
Usage: \$cfgtool [--help] [--version] [--cflags] [--libs]
Report bugs to ${maintainer}.
EOF
exit 0
}

#******************************************************************************#
# Version message                                                              #
#******************************************************************************#
version() {
echo ${version}
exit 0
}

#******************************************************************************#
# Check for help and version                                                   #
#******************************************************************************#
put_version=
put_help=
for arg ; do case "\$arg" in
--help|-h) put_help=1 ;;
--version|-v) put_version=1 ;;
esac; done
[ \$put_version ] && version
[ \$put_help ] && usage

#******************************************************************************#
# Parse arguments                                                              #
#******************************************************************************#
# Defaults
put_cflags=
put_libs=
for arg ; do case "\$arg" in
--cflags) put_cflags=y ;;
--libs) put_libs=y ;;
*) echo "\$arg: did not read" >&2 ;;
esac; done

# Put
opt=""
[ \$put_cflags\$put_libs ] || usage
[ \$put_cflags ] && opt+="--cflags "
[ \$put_libs   ] && opt+="--libs "
${target}pkg-config lib${name} \$opt

# End of file
_EOF