Fixed test link errors on Debian 10.

src/applib/tests/CMakeLists.txt

@@ -17,8 +17,9 @@ target_sources(applib_tests PRIVATE
 	test_app_pcrecpp.cpp
 	test_smartctl_version_parser.cpp
 )
-target_link_libraries(applib_tests PRIVATE
-	applib
-	Catch2
+target_link_libraries(applib_tests
+	PUBLIC  # must be public as the target is an object library
+		applib
+		Catch2
 )
 

src/hz/tests/CMakeLists.txt

@@ -18,8 +18,9 @@ target_sources(hz_tests PRIVATE
 	test_string_algo.cpp
 	test_string_num.cpp
 )
-target_link_libraries(hz_tests PRIVATE
-	hz
-	Catch2
+target_link_libraries(hz_tests
+	PUBLIC  # must be public as the target is an object library
+		hz
+		Catch2
 )
 

src/test_all/CMakeLists.txt

@@ -20,9 +20,10 @@ target_sources(test_all PRIVATE
 )
 target_link_libraries(test_all PRIVATE
 	libdebug
+	Catch2
+	# Object libraries containing tests
 	applib_tests
 	hz_tests
-	Catch2
 )
 
 if (NOT CMAKE_CROSSCOMPILING)