Corrected configure.in to correctly use withval for setting the

with-distdir option.

scripts/configure

@@ -633,7 +633,7 @@ gr_srcs
 gr_libs
 gr_dflags
 gr_cflags
-dist_prefix
+DIST_DIR
 cadinstall
 programs
 unused
@@ -4805,15 +4805,15 @@ usingX11=
 # place that is a temporary staging area, like DESTDIR, but unlike DESTDIR,
 # the prefix is replaced by the destination directory, rather than appended
 # to it.
-dist_prefix="\${exec_prefix}"
+DIST_DIR="\${exec_prefix}"
 
 # Check whether --with-distdir was given.
 if test "${with_distdir+set}" = set; then :
   withval=$with_distdir;
   if test "$withval" = "no" -o "$withval" = "NO" ; then
-     dist_prefix="\${exec_prefix}"
+     DIST_DIR="\${exec_prefix}"
   else
-     dist_prefix=$arg
+     DIST_DIR=${withval}
   fi
 
 fi

scripts/configure.in

@@ -253,13 +253,13 @@ dnl Compile-time options below. . .
 # place that is a temporary staging area, like DESTDIR, but unlike DESTDIR,
 # the prefix is replaced by the destination directory, rather than appended
 # to it.
-dist_prefix="\${exec_prefix}"
+DIST_DIR="\${exec_prefix}"
 AC_ARG_WITH(distdir,
 [  --with-distdir=DIR       install into location DIR for distribution], [
   if test "$withval" = "no" -o "$withval" = "NO" ; then
-     dist_prefix="\${exec_prefix}"
+     DIST_DIR="\${exec_prefix}"
   else
-     dist_prefix=$arg
+     DIST_DIR=${withval}
   fi
 ], )
 
@@ -1286,7 +1286,7 @@ AC_SUBST(modules)
 AC_SUBST(unused)
 AC_SUBST(programs)
 AC_SUBST(cadinstall)
-AC_SUBST(dist_prefix)
+AC_SUBST(DIST_DIR)
 
 AC_SUBST(gr_cflags)
 AC_SUBST(gr_dflags)

scripts/defs.mak.in

@@ -35,9 +35,9 @@ DOCDIR                 = ${libdir}/netgen/doc
 TCLDIR                 = ${libdir}/netgen/tcl
 PYDIR		       = ${libdir}/netgen/python
 
-INSTALL_BINDIR                 = @dist_prefix@/bin
-INSTALL_MANDIR                 = @dist_prefix@/share/man
-INSTALL_LIBDIR                 = @dist_prefix@/lib
+INSTALL_BINDIR                 = @DIST_DIR@/bin
+INSTALL_MANDIR                 = @DIST_DIR@/share/man
+INSTALL_LIBDIR                 = @DIST_DIR@/lib
 INSTALL_DOCDIR                 = ${INSTALL_LIBDIR}/netgen/doc
 INSTALL_TCLDIR                 = ${INSTALL_LIBDIR}/netgen/tcl
 INSTALL_PYDIR		       = ${INSTALL_LIBDIR}/netgen/python