X-Git-Url: https://git.distorted.org.uk/~mdw/runlisp/blobdiff_plain/e41cbc79e39d62f0343a48efc4d832ed99c83aaf..47a219e85c4215cea80c75ed9b26ed7dc404a8e2:/configure.ac

diff --git a/configure.ac b/configure.ac
index 19f91ae..aa86546 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,7 +45,12 @@ AC_CHECK_PROGS([AUTOM4TE], [autom4te])
 dnl--------------------------------------------------------------------------
 dnl Checking for Lisp implementations.
 
-imagedir=$localstatedir/$PACKAGE_NAME; AC_SUBST(imagedir)
+AC_ARG_WITH([imagedir],
+  [AS_HELP_STRING([--with-imagedir=DIR],
+		  [store and look for custom Lisp images in DIR])],
+  [imagedir=$withval], [imagedir=$localstatedir/$PACKAGE_NAME])
+AC_SUBST(imagedir)
+
 mdw_DEFINE_PATHS([
   mdw_DEFINE_PATH([IMAGEDIR], [$imagedir])
   mdw_DEFINE_PATH([ETCDIR], [$sysconfdir/$PACKAGE_NAME])
@@ -92,12 +97,12 @@ if test "x$ECL" != x; then
     gnu) AC_DEFINE([ECL_OPTIONS_GNU], [1],
 		   [Define 1 if ECL uses GNU-style `--FOO' options]) ;;
   esac
+  case $mdw_ecl_opts in
+    gnu) ECLOPT=-- ;;
+    trad) ECLOPT=- ;;
+    *) AC_MSG_ERROR([internal error: unexpected value for `$mdw_ecl_opts']) ;;
+  esac
 fi
-case $mdw_ecl_opts in
-  gnu) ECLOPT=-- ;;
-  trad) ECLOPT=- ;;
-  *) AC_MSG_ERROR([internal error: unexpected value for `$mdw_ecl_opts']) ;;
-esac
 AC_SUBST([ECLOPT])
 
 dnl--------------------------------------------------------------------------