#!/usr/bin/env bash

# Default install prefix if --prefix= is not provided
default_prefix=/usr/local
#default_bindir=$default_prefix/bin
#default_libdir=$default_prefix/lib
#default_sharedir=$default_prefix/share

# Parse command-line arguments (only --prefix=VALUE is supported)
while (( $# ))
do
	case "$1" in
		--prefix=*)	prefix="${1#*=}"	# Strip the "--prefix=" portion to get the value
		;;
	esac
	shift
done

# Derive install directories from prefix (or default_prefix if unset)
bindir="${prefix:-$default_prefix}"/bin
libdir="${prefix:-$default_prefix}"/lib/AtOM
sharedir="${prefix:-$default_prefix}"/share/AtOM
docdir="${prefix:-$default_prefix}"/share/doc/AtOM

# Write Makefile.in so the Makefile can substitute real paths at build time
cat > Makefile.in <<-EOMakefile.in
	bindir = "$bindir"
	libdir = "$libdir"
	sharedir = "$sharedir"
	docdir = "$docdir"
EOMakefile.in