this should work on windows as well

.github/workflows/cmake-multi-platform.yml

@@ -60,6 +60,4 @@ jobs:
     - name: Test
       working-directory: ${{ steps.strings.outputs.build-output-dir }}/test
       run: ctest --build-config Release --output-on-failure
-      env:
-        LIBCIFPP_DATA_DIR: ${{ steps.strings.outputs.build-output-dir }}/_deps/cifpp-src/rsrc
 

CMakeLists.txt

@@ -85,6 +85,12 @@ if(MSVC)
 
 	get_WIN32_WINNT(ver)
 	add_definitions(-D_WIN32_WINNT=${ver})
+
+	if(BUILD_SHARED_LIBS)
+		set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
+	else()
+		set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+	endif()
 endif()
 
 # Create a revision file, containing the current git version info
@@ -124,7 +130,8 @@ if(NOT PDB_REDO_META)
 			cifpp
 			${EXLC}
 			GIT_REPOSITORY https://github.com/pdb-redo/libcifpp.git
-			GIT_TAG v7.0.1)
+			GIT_TAG 92bd52d
+		)
 
 		FetchContent_MakeAvailable(cifpp)
 	endif()

test/CMakeLists.txt

@@ -39,4 +39,6 @@ else()
 	target_compile_definitions(unit-test-dssp PUBLIC CATCH22=1)
 endif()
 
-add_test(NAME unit-test-dssp COMMAND $<TARGET_FILE:unit-test-dssp> --data-dir ${CMAKE_CURRENT_SOURCE_DIR})
+add_test(NAME unit-test-dssp COMMAND $<TARGET_FILE:unit-test-dssp>
+	--data-dir ${CMAKE_CURRENT_SOURCE_DIR}/test
+	--rsrc-dir ${CMAKE_CURRENT_BINARY_DIR}/_deps/cifpp-src/rsrc)

test/unit-test-dssp.cpp

@@ -74,9 +74,13 @@ int main(int argc, char *argv[])
 	using namespace Catch::Clara;
 #endif
 
+	std::filesystem::path rsrc_dir;
+
 	auto cli = session.cli()                                // Get Catch2's command line parser
 	           | Opt(gTestDir, "data-dir")                  // bind variable to a new option, with a hint string
 	                 ["-D"]["--data-dir"]                   // the option names it will respond to
+	           | Opt(rsrc_dir, "rsrc-dir")                  // bind variable to a new option, with a hint string
+	                 ["-D"]["--rsrc-dir"]                   // the option names it will respond to
 	           ("The directory containing the data files"); // description string for the help output
 
 	// Now pass the new composite back to Catch2 so it uses that
@@ -87,6 +91,9 @@ int main(int argc, char *argv[])
 	if (returnCode != 0) // Indicates a command line error
 		return returnCode;
 
+	if (not rsrc_dir.empty() and std::filesystem::exists(rsrc_dir))
+		cif::add_data_directory(rsrc_dir);
+
 	return session.run();
 }