Make the default library directories configurable by

--with-lib-dirs-list and let it default to $prefix/lib/scsh/modules.

Makefile.in

@@ -29,6 +29,7 @@ libdir = @libdir@
 incdir = @includedir@
 manext = 1
 mandir = @mandir@/man$(manext)
+lib_dirs_list = @lib_dirs_list@
 ### End of `configure' section###
 
 htmldir = $(libdir)/scsh/doc/scsh-manual/html
@@ -901,12 +902,14 @@ install-scsh: scsh install-scsh-image install-stripped-scsh-image
 
 install-scsh-image: $(VM) scsh/scsh.image
 	(	echo ',translate =scheme48 $(LIB)';			\
+		echo ',in scsh-top-package (set-default-lib-dirs! (quote $(lib_dirs_list)))'; \
 		echo '(dump-scsh "$(DESTDIR)$(LIB)/scsh.image")';	\
 		echo ',exit';						\
 	) | ./$(VM) -i scsh/scsh.image	
 
 install-stripped-scsh-image: $(VM) scsh/stripped-scsh.image
 	(	echo ',translate =scheme48 $(LIB)';			\
+		echo ',in scsh-top-package (set-default-lib-dirs! (quote $(lib_dirs_list)))'; \
 		echo '(dump-scsh "$(DESTDIR)$(LIB)/stripped-scsh.image")';	\
 		echo ',exit';						\
 	) | ./$(VM) -i scsh/stripped-scsh.image

configure.in

@@ -363,6 +363,14 @@ fail
      SCSH_CONST_SYS_ERRLIST	
      CFLAGS1=${CFLAGS}
 
+     lib_dirs_list=\(\"$prefix/lib/scsh/modules\"\)
+     AC_ARG_WITH(lib-dirs-list,
+                 AC_HELP_STRING([--with-lib-dirs-list],
+                                [list of default scsh library directories (default ("$prefix/lib/scsh/modules"))]),
+                 lib_dirs_list="$withval")
+
+     AC_SUBST(lib_dirs_list)
+
      AC_SUBST(CFLAGS)
      AC_SUBST(LDFLAGS)
 	

scsh/top.scm

@@ -181,7 +181,12 @@
 
 	(values (reverse switches) #f #f top-entry '()))))
 
-(define default-lib-dirs '("/usr/local/lib/scsh/modules/"))
+(define default-lib-dirs 'unset-default-lib-dirs)
+
+(define (set-default-lib-dirs! path-list)
+  (set! default-lib-dirs path-list))
+
+;  '("/usr/local/lib/scsh/modules/"))
 
 ;;; Do each -ds, -dm, -de, -o, -n, -m, -l/lm/ll, +lp/+lpe/lp+/lpe+, or
 ;;; -lp-clear/lp-default switch, and return the final result package and a