From aba5bab62ea2dbd218e88f2d430c975abb65949d Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 22 Jun 2023 13:47:42 -0400
Subject: ci: Add nightly job to build CMake with PCH on macOS

---
 .gitlab-ci.yml                             | 9 +++++++++
 .gitlab/ci/configure_macos_arm64_pch.cmake | 7 +++++++
 .gitlab/os-macos.yml                       | 6 ++++++
 3 files changed, 22 insertions(+)
 create mode 100644 .gitlab/ci/configure_macos_arm64_pch.cmake

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 393e960..d8806c3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -826,6 +826,15 @@ b:macos-arm64-ninja:
     variables:
         CMAKE_CI_JOB_CONTINUOUS: "true"
 
+b:macos-arm64-pch:
+    extends:
+        - .macos_arm64_pch
+        - .cmake_build_macos
+        - .macos_arm64_tags
+        - .run_manually
+    variables:
+        CMAKE_CI_JOB_NIGHTLY: "true"
+
 t:macos-x86_64-ninja:
     extends:
         - .macos_x86_64_ninja
diff --git a/.gitlab/ci/configure_macos_arm64_pch.cmake b/.gitlab/ci/configure_macos_arm64_pch.cmake
new file mode 100644
index 0000000..e2676ba
--- /dev/null
+++ b/.gitlab/ci/configure_macos_arm64_pch.cmake
@@ -0,0 +1,7 @@
+set(CMake_BUILD_PCH "ON" CACHE BOOL "")
+
+# sccache does not forward the PCH '-Xarch_arm64 "-include/..."' flag correctly.
+set(configure_no_sccache 1)
+
+include("${CMAKE_CURRENT_LIST_DIR}/configure_macos_common.cmake")
+include("${CMAKE_CURRENT_LIST_DIR}/configure_common.cmake")
diff --git a/.gitlab/os-macos.yml b/.gitlab/os-macos.yml
index 09d7598..fbba288 100644
--- a/.gitlab/os-macos.yml
+++ b/.gitlab/os-macos.yml
@@ -38,6 +38,12 @@
         CMAKE_CONFIGURATION: macos_arm64_ninja
         CTEST_NO_WARNINGS_ALLOWED: 1
 
+.macos_arm64_pch:
+    extends: .macos_arm64_ninja
+
+    variables:
+        CMAKE_CONFIGURATION: macos_arm64_pch
+
 .macos_x86_64_makefiles:
     extends: .macos_build
 
-- 
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