Merge pull request #198 from maddinat0r/master

add CMake option to toggle tests (on by default)

CMakeLists.txt

@@ -12,6 +12,7 @@ endif ()
 
 option(FMT_PEDANTIC "Enable extra warnings and expensive tests." OFF)
 option(FMT_INSTALL "Generate install target." ON)
+option(FMT_TESTS "Generate tests." ON)
 
 project(FORMAT)
 
@@ -108,15 +109,18 @@ endif ()
 if (CPP11_FLAG AND FMT_PEDANTIC)
   set(FMT_EXTRA_COMPILE_FLAGS "${FMT_EXTRA_COMPILE_FLAGS} ${CPP11_FLAG}")
   # Test compilation with default flags.
+  if (FMT_TESTS)
     file(GLOB src RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} test/*.cc test/*.h)
     add_library(testformat STATIC ${FMT_SOURCE_FILES} ${src})
   endif ()
+endif ()
 
 set_target_properties(cppformat
   PROPERTIES COMPILE_FLAGS "${FMT_EXTRA_COMPILE_FLAGS}")
 
 add_subdirectory(doc)
 
+if (FMT_TESTS)
   include_directories(. gmock)
   
   # We compile Google Test ourselves instead of using pre-compiled libraries.
@@ -189,6 +193,7 @@ endif ()
   
   enable_testing()
   add_subdirectory(test)
+endif ()
 
 set(CPACK_PACKAGE_VERSION_MAJOR 1)
 set(CPACK_PACKAGE_VERSION_MINOR 2)