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List:       netbsd-tech-toolchain
Subject:    Re: printing expanded variables?
From:       sjg () crufty ! net (Simon J !  Gerraty)
Date:       2003-09-04 21:46:48
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>On second thoughts, I agree with Greg.

>	make -V '${FUBAR}'

As you said, this is trivial.  I actually look for a $ anywhere
so that 

	make -V 'PATH=${LIST:ts:}'

works.

--sjg

@@ -912,9 +912,14 @@ main(int argc, char **argv)
 
                for (ln = Lst_First(variables); ln != NILLNODE;
                    ln = Lst_Succ(ln)) {
-                       char *value = Var_Value((char *)Lst_Datum(ln),
-                                         VAR_GLOBAL, &p1);
-
+                       char *var = (char *)Lst_Datum(ln);
+                       char *value;
+                       
+                       if (strchr(var, '$')) {
+                               value = p1 = Var_Subst(NULL, var, VAR_GLOBAL, 0)
;
+                       } else {
+                               value = Var_Value(var, VAR_GLOBAL, &p1);
+                       }
                        printf("%s\n", value ? value : "");
                        if (p1)
                                free(p1);

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