From fb2120120ee0b5a0165e4d10ee64dfd7bf01814b Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Mon, 2 Mar 2026 17:54:04 +0100
Subject: driver: fix -pthread, -U

---
 c/lex.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'c/lex.c')

diff --git a/c/lex.c b/c/lex.c
index 07b5cb0..6099539 100644
--- a/c/lex.c
+++ b/c/lex.c
@@ -2175,7 +2175,11 @@ cpppredef(bool undef, const char *cmd)
    char line[1024];
    struct wbuf wbuf = MEMBUF(line, sizeof line);
    if (!ppcmdline.p) vinit(&ppcmdline, NULL, 1<<10);
-   int n = bfmt(&wbuf, "%s %S %s\n", undef ? "#undef" : "#define", cmd, namelen, body);
+   int n;
+   if (undef)
+      n = bfmt(&wbuf, "#undef %S\n", cmd, namelen);
+   else
+      n = bfmt(&wbuf, "#define %S %s\n", cmd, namelen, body);
    assert(n <= sizeof line);
    vpushn(&ppcmdline, line, n);
 }
-- 
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