Merge topic 'ci-xcode-16.0' into release-3.30

cc293b4963 ci: Run RunCMake.ExternalProject serially in macos-x86_64 Xcode job
26359076c8 gitlab-ci: update macOS jobs to use Xcode 16.0

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !9830

.gitlab/ci/configure_macos_x86_64_xcode.cmake

@@ -1,2 +1,3 @@
+set(CMake_TEST_RunCMake_ExternalProject_RUN_SERIAL ON CACHE BOOL "")
 include("${CMAKE_CURRENT_LIST_DIR}/configure_macos_common.cmake")
 include("${CMAKE_CURRENT_LIST_DIR}/configure_external_test.cmake")

.gitlab/ci/ctest_exclusions.cmake

@@ -13,6 +13,13 @@ if (CTEST_CMAKE_GENERATOR MATCHES "Visual Studio")
     "^ExternalProjectUpdateSetup$")
 endif ()
 
+if (CTEST_CMAKE_GENERATOR MATCHES "Xcode")
+  list(APPEND test_exclusions
+    # FIXME(#26301): The XCTest fails with Xcode 16.0.
+    "^XCTest$"
+    )
+endif ()
+
 if ("$ENV{CMAKE_CONFIGURATION}" MATCHES "_asan")
   list(APPEND test_exclusions
     CTestTest2 # crashes on purpose

.gitlab/os-macos.yml

@@ -7,7 +7,7 @@
         GIT_CLONE_PATH: "$CI_BUILDS_DIR/cmake ci ext/$CI_CONCURRENT_ID"
         # TODO: Factor this out so that each job selects the Xcode version to
         # use so that different versions can be tested in a single pipeline.
-        DEVELOPER_DIR: "/Applications/Xcode-15.4.app/Contents/Developer"
+        DEVELOPER_DIR: "/Applications/Xcode-16.0.app/Contents/Developer"
         # Avoid conflicting with other projects running on the same machine.
         SCCACHE_SERVER_PORT: 4227
 
@@ -142,7 +142,7 @@
         - cmake # Since this is a bare runner, pin to a project.
         - macos-x86_64
         - shell
-        - xcode-15.4
+        - xcode-16.0
         - nonconcurrent
 
 .macos_x86_64_tags_ext:
@@ -150,7 +150,7 @@
         - cmake # Since this is a bare runner, pin to a project.
         - macos-x86_64
         - shell
-        - xcode-15.4
+        - xcode-16.0
         - concurrent
 
 .macos_arm64_tags:
@@ -158,7 +158,7 @@
         - cmake # Since this is a bare runner, pin to a project.
         - macos-arm64
         - shell
-        - xcode-15.4
+        - xcode-16.0
         - nonconcurrent
 
 .macos_arm64_tags_ext:
@@ -166,7 +166,7 @@
         - cmake # Since this is a bare runner, pin to a project.
         - macos-arm64
         - shell
-        - xcode-15.4
+        - xcode-16.0
         - concurrent
 
 .macos_arm64_tags_package:
@@ -174,7 +174,7 @@
         - cmake # Since this is a bare runner, pin to a project.
         - macos-arm64
         - shell
-        - xcode-15.4
+        - xcode-16.0
         - nonconcurrent
         - finder