configure

#!/bin/sh
set -x

if test "x$1" != "x"; then
    # echo Found input parameter -- $1
    #  Now see if the parameter is --prefix=
    if test "x${1#--prefix=}" != "x$1"; then
        # echo "Found --prefix in input args.  Setting prefix directory."
        prefix=${1#--prefix=}
    else
        # echo "Found unrecognized parameter in input args."
        #  Just use the default prefix dir.
        prefix=/usr/local
    fi

    pkglibdir=${prefix}/lib/gnucap
    plugpath=${pkglibdir}:$( gnucap-conf --pkglibdir )
    sysconfdir=${prefix}/etc
else
    # echo "No input parameter found."
    #  Just use the default prefix dir
    prefix=$( gnucap-conf --exec-prefix )
    pkglibdir=$( gnucap-conf --pkglibdir )
    plugpath=$( gnucap-conf --pkglibdir )
    sysconfdir=$( gnucap-conf --sysconfdir )
fi

# bug. this is not implemented consistently.
CXX=${CXX-c++}

STATUS="$*"

NOTICE="\#THIS_FILE_IS_AUTOMATICALLY_GENERATED"
# hmm, here?
GNUCSATOR_PKGLIBDIR=${pkglibdir}/qucs
PKGINCLUDEDIR=${prefix}/include/gnucap-qucs/

fill_template() {
  t=$( mktemp );#tempfile depricated -> mktemp
  sed -e "s#@prefix@#$prefix#g" \
    -e "s#@exec_prefix@#$prefix#g" \
    -e "s#@libdir@#$prefix/lib#g" \
    -e "s#@NOTICE@#$NOTICE#g" \
    -e "s#@PKGINCLUDEDIR@#$PKGINCLUDEDIR#g" \
    -e "s#@includedir@#$\{prefix\}/include#g" \
    -e "s#@datarootdir@#$\{prefix\}/share/gnucap#g" \
    -e "s#@sysconfdir@#$sysconfdir#g" \
    -e "s#@pkglibdir@#$pkglibdir#g" \
    -e "s#@plugpath@#$plugpath#g" \
    -e "s#@CXXFLAGS@#$CCFLAGS#g" \
    -e "s#@LIBS@#-lgnucap#g" \
    -e "s#@STATUS@#$STATUS#g" \
    -e "s#@CXX@#$CXX#g" < $1.in > $t
  if diff $1 $t >/dev/null; then
	rm $t;
  else
	mv $t $1;
  fi
}

fill_template config.h
fill_template Makefile
fill_template tests/Makefile
fill_template gnucsator.rc

echo -n '# ' > config.log
date > config.log
echo $0 "$@" >> config.log

echo prefix:     $prefix
echo pkglibdir:  $pkglibdir
echo plugpath:   $plugpath