From 22b3a1abd93742f551f99f655f57fcba81db0999 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 1 Oct 2020 11:22:31 -0400
Subject: ci: support a max parallelism for test-ext jobs

Machines may have more cores than testing actually supports.

Apply the change from commit e80362252f (ci: support a max parallelism
for tests, 2020-09-28) to tests in the test-ext stage too.
---
 .gitlab/ci/ctest_test_external.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.gitlab/ci/ctest_test_external.cmake b/.gitlab/ci/ctest_test_external.cmake
index d92b936..4ea060d 100644
--- a/.gitlab/ci/ctest_test_external.cmake
+++ b/.gitlab/ci/ctest_test_external.cmake
@@ -33,6 +33,11 @@ endif ()
 
 include(ProcessorCount)
 ProcessorCount(nproc)
+if (NOT "$ENV{CTEST_MAX_PARALLELISM}" STREQUAL "")
+  if (nproc GREATER "$ENV{CTEST_MAX_PARALLELISM}")
+    set(nproc "$ENV{CTEST_MAX_PARALLELISM}")
+  endif ()
+endif ()
 
 if (CTEST_CMAKE_GENERATOR STREQUAL "Unix Makefiles")
   set(CTEST_BUILD_FLAGS "-j${nproc}")
-- 
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