From: Thomas Ferrand <a.tom.hic3@gmail.com>
Date: Wed, 6 Mar 2024 19:41:13 +0000 (+0100)
Subject: fix: Hash arguments that affect PCH result with MSVC /Yu
X-Git-Tag: v4.10~83
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d589072d4629526fe00e6b70bf62720ce0718ee;p=thirdparty%2Fccache.git

fix: Hash arguments that affect PCH result with MSVC /Yu

Fixes #1410.
---

diff --git a/src/ccache.cpp b/src/ccache.cpp
index e9db8c57..3cbe27ea 100644
--- a/src/ccache.cpp
+++ b/src/ccache.cpp
@@ -1719,7 +1719,8 @@ hash_argument(const Context& ctx,
   // going to have any effect at all. For precompiled headers this might not be
   // the case.
   if (!direct_mode && !ctx.args_info.output_is_precompiled_header
-      && !ctx.args_info.using_precompiled_header) {
+      && !ctx.args_info.using_precompiled_header
+      && !ctx.args_info.generating_pch) {
     if (compopt_affects_cpp_output(args[i])) {
       if (compopt_takes_arg(args[i])) {
         i++;