From b65b95dda4e2aa7983a342957ff287059225bc22 Mon Sep 17 00:00:00 2001
From: John Thacker <johnthacker@gmail.com>
Date: Thu, 25 Aug 2022 07:49:09 -0400
Subject: CMake: Build test_programs automatically when running test

Since we require CMake version at least 3.7, we can use fixtures
to ensure that the unittests have been built before running
suite_unittests.

This only applies to running the tests via ctest (including
'[ninja|make] test'), not when running pytest directly.

Fix #17191
---
 CMakeLists.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 950f669cd6..4384cbb564 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3937,6 +3937,14 @@ set(_test_group_list
 set(TEST_EXTRA_ARGS "" CACHE STRING "Extra arguments to pass to test/test.py")
 separate_arguments(TEST_EXTRA_ARGS)
 
+add_test(build_unittests
+	"${CMAKE_COMMAND}"
+	--build "${CMAKE_BINARY_DIR}"
+	--config "${CONFIG}"
+	--target test-programs
+)
+set_tests_properties(build_unittests PROPERTIES FIXTURES_SETUP unittests)
+
 foreach(_group_name ${_test_group_list})
 	add_test(
 		NAME ${_group_name}
@@ -3950,6 +3958,8 @@ foreach(_group_name ${_test_group_list})
 	set_tests_properties(${_group_name} PROPERTIES TIMEOUT 600)
 endforeach()
 
+set_tests_properties(suite_unittests PROPERTIES FIXTURES_REQUIRED unittests)
+
 # Make it possible to run pytest without passing the full path as argument.
 if(NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
 	file(READ "${CMAKE_CURRENT_SOURCE_DIR}/pytest.ini" pytest_ini)
-- 
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