From 47363cbb977ae3f152a02698635388ac1dd06292 Mon Sep 17 00:00:00 2001
From: Christian Jullien <jullien@eligis.com>
Date: Mon, 1 Jun 2020 17:11:11 +0200
Subject: [PATCH] Support -v --help the same way as gcc does

---
 libtcc.c |  3 +++
 tcc.c    | 18 ++++++++++++++----
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/libtcc.c b/libtcc.c
index fb52ad19..dd1826b1 100644
--- a/libtcc.c
+++ b/libtcc.c
@@ -1773,6 +1773,9 @@ reparse:
 
         switch(popt->index) {
         case TCC_OPTION_HELP:
+          if (s->verbose > 0)
+            return OPT_VERBOSE_HELP;
+          else
             return OPT_HELP;
         case TCC_OPTION_HELP2:
             return OPT_HELP2;
diff --git a/tcc.c b/tcc.c
index 37ef9609..1913ffc4 100644
--- a/tcc.c
+++ b/tcc.c
@@ -268,10 +268,20 @@ redo:
     opt = tcc_parse_args(s, &argc, &argv, 1);
 
     if (n == 0) {
-        if (opt == OPT_HELP)
-            return fputs(help, stdout), 0;
-        if (opt == OPT_HELP2)
-            return fputs(help2, stdout), 0;
+        if (opt == OPT_HELP) {
+            fputs(help, stdout);
+            return 0;
+        }
+        if (opt == OPT_HELP2) {
+            fputs(help, stdout);
+            return 0;
+        }
+        if (opt == OPT_VERBOSE_HELP) {
+            /* simulate gcc -v --help */
+            fputs(help, stdout);
+            fputs(help2, stdout);
+            return 0;
+        }
         if (opt == OPT_M32 || opt == OPT_M64)
             tcc_tool_cross(s, argv, opt); /* never returns */
         if (s->verbose)