From 64d29c942a059073c70fe0c5dca5c31553b25bd0 Mon Sep 17 00:00:00 2001
From: Arthur Williams <taaparthur@gmail.com>
Date: Mon, 28 Jun 2021 00:30:51 -0500
Subject: [PATCH] Have '-MF -' write to stdout

If a dash ("-") is specified to -MF, write to stdout instead of a file
called "-"
---
 tcctools.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tcctools.c b/tcctools.c
index 2df57358..7d074c7b 100644
--- a/tcctools.c
+++ b/tcctools.c
@@ -537,8 +537,11 @@ ST_FUNC void gen_makedeps(TCCState *s1, const char *target, const char *filename
     if (s1->verbose)
         printf("<- %s\n", filename);
 
-    /* XXX return err codes instead of error() ? */
-    depout = fopen(filename, "w");
+    if(!strcmp(filename, "-"))
+        depout = fdopen(1, "w");
+    else
+        /* XXX return err codes instead of error() ? */
+        depout = fopen(filename, "w");
     if (!depout)
         tcc_error("could not open '%s'", filename);
     fprintf(depout, "%s:", target);