From ab73ead9a46c3257a9886150565106e425825941 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter@eisentraut.org>
Date: Thu, 24 Sep 2026 16:38:41 +0200
Subject: [PATCH 3/3] ci: Enable PCH in mingw cross job

---
 .github/workflows/pg-ci.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/pg-ci.yml b/.github/workflows/pg-ci.yml
index e80e2c9efbd..a6d34909515 100644
--- a/.github/workflows/pg-ci.yml
+++ b/.github/workflows/pg-ci.yml
@@ -1166,6 +1166,8 @@ jobs:
       # Use larger ccache cache as this job compiles with multiple
       # compilers / flag combinations.
       CCACHE_MAXSIZE: "1G"
+      CCACHE_SLOPPINESS: pch_defines,time_macros
+      CCACHE_DEPEND: 1
 
       # Enable everything else in LINUX_CONFIGURE_FEATURES but not in
       # MESON_COMMON_FEATURES.
@@ -1236,6 +1238,7 @@ jobs:
         env:
           CONF: >-
             --cross-file src/tools/ci/mingw-cross-file.txt
+            -Db_pch=true
             -Dcassert=true
           MBUILD_TARGET: all
         run: *compiler_warnings_cmd
-- 
2.55.0