[PATCH 1/4] cmake: also build unit tests

["Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>]

From: Johannes Schindelin <johannes.schindelin@gmx.de>

A new, better way to run unit tests was just added to Git. This adds
support for building those unit tests via CMake.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 contrib/buildsystems/CMakeLists.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt
index 2f6e0197ffa..45016213358 100644
--- a/contrib/buildsystems/CMakeLists.txt
+++ b/contrib/buildsystems/CMakeLists.txt
@@ -965,6 +965,24 @@ target_link_libraries(test-fake-ssh common-main)
 parse_makefile_for_sources(test-reftable_SOURCES "REFTABLE_TEST_OBJS")
 list(TRANSFORM test-reftable_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/")
 
+#unit-tests
+add_library(unit-test-lib OBJECT ${CMAKE_SOURCE_DIR}/t/unit-tests/test-lib.c)
+
+parse_makefile_for_scripts(unit_test_PROGRAMS "UNIT_TEST_PROGRAMS" "")
+foreach(unit_test ${unit_test_PROGRAMS})
+	add_executable("${unit_test}" "${CMAKE_SOURCE_DIR}/t/unit-tests/${unit_test}.c")
+	target_link_libraries("${unit_test}" unit-test-lib common-main)
+	set_target_properties("${unit_test}"
+		PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/t/unit-tests)
+	if(MSVC)
+		set_target_properties("${unit_test}"
+			PROPERTIES RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR}/t/unit-tests)
+		set_target_properties("${unit_test}"
+			PROPERTIES RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR}/t/unit-tests)
+	endif()
+	list(APPEND PROGRAMS_BUILT "${unit_test}")
+endforeach()
+
 #test-tool
 parse_makefile_for_sources(test-tool_SOURCES "TEST_BUILTINS_OBJS")
 
-- 
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