scc

commit 95b1d6c4ae74328c31bc2a3bdc80db53886bedea
parent fddf43508290bc39144364d09e641f3bba7ef095
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Tue, 12 May 2026 09:40:59 +0200

make: Use recursion to find  circular dependencies

Diffstat:
M
src/cmd/scc-make/rules.c
 | 
13
++++++++++---

1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/src/cmd/scc-make/rules.c b/src/cmd/scc-make/rules.c
@@ -87,13 +87,20 @@ cleanup(Target *tp)
 }
 
 static int
-depends(char *target, char *dep)
+depends(char *dep, char *target)
 {
+
 	int i;
-	Target **p, *tp = lookup(target);
+	char *dname;
+	Target **p, *tp;
+
+	if (strcmp(target, dep) == 0)
+		return 1;
 
+	tp = lookup(dep);
 	for (p = tp->deps; p && *p; ++p) {
-		if (strcmp((*p)->name, target) == 0)
+		dname = (*p)->name;
+		if (depends(dname, target))
 			return 1;
 	}