Windows: allow SHELL to be set to a more complex value by checking its

expansion to see if it's a valid shell, not just the unexpanded value.

2 files changed, 24 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 4fdf374..fd80168 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-10-12  Eli Zaretskii  <eliz@gnu.org>
+
+	* variable.c (do_variable_definition): Allow $(SHELL) to expand to
+	a more complex value than a simple shell: if it's not a default
+	shell now then expand it and see if is a default shell then.
+
 2007-10-10  Eli Zaretskii  <eliz@gnu.org>
 
 	* dir.c (find_directory) [WINDOWS32]: Remove trailing slashes from
diff --git a/variable.c b/variable.c
index d8f1b81..7f01988 100644
--- a/variable.c
+++ b/variable.c
@@ -1188,7 +1188,24 @@ do_variable_definition (const struct floc *flocp, const char *varname,
           no_default_sh_exe = 0;
         }
       else
-        v = lookup_variable (varname, strlen (varname));
+        {
+          if (alloc_value)
+            free (alloc_value);
+
+          alloc_value = allocated_variable_expand (p);
+          if (find_and_set_default_shell (alloc_value))
+            {
+              v = define_variable_in_set (varname, strlen (varname), p,
+                                          origin, flavor == f_recursive,
+                                          (target_var
+                                           ? current_variable_set_list->set
+                                           : NULL),
+                                          flocp);
+              no_default_sh_exe = 0;
+            }
+          else
+            v = lookup_variable (varname, strlen (varname));
+        }
     }
   else
 #endif