#!/bin/bash

#
# TODO:
#
# - modify parser to understand --prefix=/foo, not only --prefix /foo
#
# - test for ncurses headers:
# 
#         @echo -e "#include \"ncurses.h\"\nint main(void){}" | gcc -E - > /dev/null;     \
#         if [ "$$?" = "1" ]; then                                                        \
#                 echo;                                                                   \
#                 echo "Error: you don't seem to have ncurses.h; this probably means";    \
#                 echo "       that you'll have to install some ncurses-devel packet";    \
#                 echo "       from your distribution.";                                  \
#                 echo;                                                                   \
#                 exit 1;                                                                 \
#         fi
#


PROMPT="ptxdist: "
PTXDIST_TOPDIR=$(cd $(dirname $0) && pwd)


#
# we need the PTXdist shell library
#

libptxdist=${PTXDIST_TOPDIR}/scripts/libptxdist.sh

if [ -e "$libptxdist" ]; then 
	. $libptxdist
else
	echo "${PROMPT}didn't find \$(PTXDIST_TOPDIR)/scripts/libptxdist.sh"
	exit 1
fi


#
# we need the static variable definitions
#

ptxdistvars=${PTXDIST_TOPDIR}/scripts/ptxdistvars.sh

if [ -e "$ptxdistvars" ]; then
	. $ptxdistvars
else
	echo "${PROMPT}didn't find \$(PTXDIST_TOPDIR)/scripts/ptxdistvars.sh"
	exit 1
fi


#
# main()
#

PROGRAM_DESCRIPTION="PTXdist configure"

source $(cat << EOF | ptxd_generic_option_parser 
PREFIX prefix <dir>	Set Installation Directory
EOF
)
invoke_parser $@


prefix=${PREFIX:="/usr/local"}
libdir="${prefix}/lib"
bindir="${prefix}/bin"
instdir="${libdir}/ptxdist-${FULLVERSION}"

echo "checking version=${FULLVERSION}"
echo "checking prefix=${prefix}"
echo "checking topdir=${PTXDIST_TOPDIR}"
echo "checking instdir=${instdir}"

# substitute variables
echo "creating Makefile"
cat "${PTXDIST_TOPDIR}/Makefile.in" | \
	sed -e "s,@PREFIX@,\"${prefix}\",g" | \
	sed -e "s,@TOPDIR@,\"${PTXDIST_TOPDIR}\",g" | \
	sed -e "s,@INSTDIR@,\"${instdir}\",g" | \
	sed -e "s,@VERSION@,\"${FULLVERSION}\",g" \
	> ${PTXDIST_TOPDIR}/Makefile