=begin

= NAME

rast-config - output Rast build options

= SYNOPSIS

rast-config [options]

= DESCRIPTION

rast-config is a tool that is used to build Rast application.

It gives compiler flags, linker flags, Rast version, and so on.

= OPTIONS

: --prefix

  print PREFIX to rast install

: --prefix=XXX

  set prefix to XXX for remainder of command

: --exec-prefix

  print prefix for executables

: --bindir

  print binary directory path

: --libdir

  print library directory path

: --cc

  print C compiler used

: --cflags

  print C compiler flags

: --cppflags

  print C Preprocessor flags

: --includes

  print include directives

: --ldflags

  print linker flags

: --libs-ld

  print link switches for linking to Rast

: --libs-libtool

  print libtool inputs for linking to Rast

: --version

  print Rast version

=end