shithub: scc

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[scc] Add debug info about commands executed

--- a/src/cmd/cc/posix/scc.c

+++ b/src/cmd/cc/posix/scc.c

@@ -282,6 +282,7 @@

 static void

 spawn(int tool)

 {

+	char **ap;

 	struct tool *t = &tools[tool];

 	switch (t->pid = fork()) {

@@ -294,6 +295,11 @@

 			dup2(t->in, 0);

 		if (!dflag && tool != CC1 && tool != LD)

 			dup2(devnullfd, 2);

+		if (dflag) {

+			for (ap = t->args.s; *ap; ap++)

+				fprintf(stderr, " %s", *ap);

+			putc('\n', stderr);

+		}

 		execvp(t->cmd, t->args.s);

 		if (dflag) {

 			fprintf(stderr,