Use DLL runtime for gtest.

CMakeLists.txt

@@ -50,8 +50,6 @@ endif ()
 
 add_subdirectory(doc)
 
-enable_testing()
-
 add_test(compile-test ${CMAKE_CTEST_COMMAND}
   --build-and-test
   "${CMAKE_CURRENT_SOURCE_DIR}/test"
@@ -81,6 +79,8 @@ if (HAVE_DUP)
   add_definitions(-DFMT_USE_DUP=1)
 endif ()
 
+enable_testing()
+
 include_directories(.)
 add_executable(format-test test/format-test.cc)
 target_link_libraries(format-test format gtest)

gtest/CMakeLists.txt

@@ -14,7 +14,7 @@ option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)
 option(
   gtest_force_shared_crt
   "Use shared (DLL) run-time lib even when Google Test is built as static lib."
-  OFF)
+  ON)
 
 option(gtest_build_tests "Build all of gtest's own tests." OFF)