--- /dev/null
+# Defines functions and macros useful for building Google Test and
+# Google Mock.
+#
+# Note:
+#
+# - This file will be run twice when building Google Mock (once via
+# Google Test's CMakeLists.txt, and once via Google Mock's).
+# Therefore it shouldn't have any side effects other than defining
+# the functions and macros.
+#
+# - The functions/macros defined in this file may depend on Google
+# Test and Google Mock's option() definitions, and thus must be
+# called *after* the options have been defined.
+
+# Tweaks CMake's default compiler/linker settings to suit Google Test's needs.
+#
+# This must be a macro(), as inside a function string() can only
+# update variables in the function scope.
+macro(fix_default_compiler_settings_)
+ if (MSVC)
+ # For MSVC, CMake sets certain flags to defaults we want to override.
+ # This replacement code is taken from sample in the CMake Wiki at
+ # http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace.
+ foreach (flag_var
+ CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
+ CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
+ if (NOT BUILD_SHARED_LIBS AND NOT gtest_force_shared_crt)
+ # When Google Test is built as a shared library, it should also use
+ # shared runtime libraries. Otherwise, it may end up with multiple
+ # copies of runtime library data in different modules, resulting in
+ # hard-to-find crashes. When it is built as a static library, it is
+ # preferable to use CRT as static libraries, as we don't have to rely
+ # on CRT DLLs being available. CMake always defaults to using shared
+ # CRT libraries, so we override that default here.
+ string(REPLACE "/MD" "-MT" ${flag_var} "${${flag_var}}")
+ endif()
+
+ # We prefer more strict warning checking for building Google Test.
+ # Replaces /W3 with /W4 in defaults.
+ string(REPLACE "/W3" "-W4" ${flag_var} "${${flag_var}}")
+ endforeach()
+ endif()
+endmacro()
+
+# Defines the compiler/linker flags used to build Google Test and
+# Google Mock. You can tweak these definitions to suit your need. A
+# variable's value is empty before it's explicitly assigned to.
+macro(config_compiler_and_linker)
+ if (NOT gtest_disable_pthreads)
+ # Defines CMAKE_USE_PTHREADS_INIT and CMAKE_THREAD_LIBS_INIT.
+ find_package(Threads)
+ endif()
+
+ fix_default_compiler_settings_()
+ if (MSVC)
+ # Newlines inside flags variables break CMake's NMake generator.
+ # TODO(vladl@google.com): Add -RTCs and -RTCu to debug builds.
+ set(cxx_base_flags "-GS -W4 -WX -wd4127 -wd4251 -wd4275 -nologo -J -Zi")
+ set(cxx_base_flags "${cxx_base_flags} -D_UNICODE -DUNICODE -DWIN32 -D_WIN32")
+ set(cxx_base_flags "${cxx_base_flags} -DSTRICT -DWIN32_LEAN_AND_MEAN")
+ set(cxx_exception_flags "-EHsc -D_HAS_EXCEPTIONS=1")
+ set(cxx_no_exception_flags "-D_HAS_EXCEPTIONS=0")
+ set(cxx_no_rtti_flags "-GR-")
+ elseif (CMAKE_COMPILER_IS_GNUCXX)
+ set(cxx_base_flags "-Wall -Wshadow")
+ set(cxx_exception_flags "-fexceptions")
+ set(cxx_no_exception_flags "-fno-exceptions")
+ # Until version 4.3.2, GCC doesn't define a macro to indicate
+ # whether RTTI is enabled. Therefore we define GTEST_HAS_RTTI
+ # explicitly.
+ set(cxx_no_rtti_flags "-fno-rtti -DGTEST_HAS_RTTI=0")
+ set(cxx_strict_flags "-Wextra")
+ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
+ set(cxx_exception_flags "-features=except")
+ # Sun Pro doesn't provide macros to indicate whether exceptions and
+ # RTTI are enabled, so we define GTEST_HAS_* explicitly.
+ set(cxx_no_exception_flags "-features=no%except -DGTEST_HAS_EXCEPTIONS=0")
+ set(cxx_no_rtti_flags "-features=no%rtti -DGTEST_HAS_RTTI=0")
+ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "VisualAge" OR
+ CMAKE_CXX_COMPILER_ID STREQUAL "XL")
+ # CMake 2.8 changes Visual Age's compiler ID to "XL".
+ set(cxx_exception_flags "-qeh")
+ set(cxx_no_exception_flags "-qnoeh")
+ # Until version 9.0, Visual Age doesn't define a macro to indicate
+ # whether RTTI is enabled. Therefore we define GTEST_HAS_RTTI
+ # explicitly.
+ set(cxx_no_rtti_flags "-qnortti -DGTEST_HAS_RTTI=0")
+ elseif (CMAKE_CXX_COMPILER_ID STREQUAL "HP")
+ set(cxx_base_flags "-AA -mt")
+ set(cxx_exception_flags "-DGTEST_HAS_EXCEPTIONS=1")
+ set(cxx_no_exception_flags "+noeh -DGTEST_HAS_EXCEPTIONS=0")
+ # RTTI can not be disabled in HP aCC compiler.
+ set(cxx_no_rtti_flags "")
+ endif()
+
+ if (CMAKE_USE_PTHREADS_INIT) # The pthreads library is available and allowed.
+ set(cxx_base_flags "${cxx_base_flags} -DGTEST_HAS_PTHREAD=1")
+ else()
+ set(cxx_base_flags "${cxx_base_flags} -DGTEST_HAS_PTHREAD=0")
+ endif()
+
+ # For building gtest's own tests and samples.
+ set(cxx_exception "${CMAKE_CXX_FLAGS} ${cxx_base_flags} ${cxx_exception_flags}")
+ set(cxx_no_exception
+ "${CMAKE_CXX_FLAGS} ${cxx_base_flags} ${cxx_no_exception_flags}")
+ set(cxx_default "${cxx_exception}")
+ set(cxx_no_rtti "${cxx_default} ${cxx_no_rtti_flags}")
+ set(cxx_use_own_tuple "${cxx_default} -DGTEST_USE_OWN_TR1_TUPLE=1")
+
+ # For building the gtest libraries.
+ set(cxx_strict "${cxx_default} ${cxx_strict_flags}")
+endmacro()
+
+# Defines the gtest & gtest_main libraries. User tests should link
+# with one of them.
+function(cxx_library_with_type name type cxx_flags)
+ # type can be either STATIC or SHARED to denote a static or shared library.
+ # ARGN refers to additional arguments after 'cxx_flags'.
+ add_library(${name} ${type} ${ARGN})
+ set_target_properties(${name}
+ PROPERTIES
+ COMPILE_FLAGS "${cxx_flags}")
+ if (BUILD_SHARED_LIBS OR type STREQUAL "SHARED")
+ set_target_properties(${name}
+ PROPERTIES
+ COMPILE_DEFINITIONS "GTEST_CREATE_SHARED_LIBRARY=1")
+ endif()
+ if (CMAKE_USE_PTHREADS_INIT)
+ target_link_libraries(${name} ${CMAKE_THREAD_LIBS_INIT})
+ endif()
+endfunction()
+
+########################################################################
+#
+# Helper functions for creating build targets.
+
+function(cxx_shared_library name cxx_flags)
+ cxx_library_with_type(${name} SHARED "${cxx_flags}" ${ARGN})
+endfunction()
+
+function(cxx_library name cxx_flags)
+ cxx_library_with_type(${name} "" "${cxx_flags}" ${ARGN})
+endfunction()
+
+# cxx_executable_with_flags(name cxx_flags libs srcs...)
+#
+# creates a named C++ executable that depends on the given libraries and
+# is built from the given source files with the given compiler flags.
+function(cxx_executable_with_flags name cxx_flags libs)
+ add_executable(${name} ${ARGN})
+ if (cxx_flags)
+ set_target_properties(${name}
+ PROPERTIES
+ COMPILE_FLAGS "${cxx_flags}")
+ endif()
+ if (BUILD_SHARED_LIBS)
+ set_target_properties(${name}
+ PROPERTIES
+ COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")
+ endif()
+ # To support mixing linking in static and dynamic libraries, link each
+ # library in with an extra call to target_link_libraries.
+ foreach (lib "${libs}")
+ target_link_libraries(${name} ${lib})
+ endforeach()
+endfunction()
+
+# cxx_executable(name dir lib srcs...)
+#
+# creates a named target that depends on the given libs and is built
+# from the given source files. dir/name.cc is implicitly included in
+# the source file list.
+function(cxx_executable name dir libs)
+ cxx_executable_with_flags(
+ ${name} "${cxx_default}" "${libs}" "${dir}/${name}.cc" ${ARGN})
+endfunction()
+
+# Sets PYTHONINTERP_FOUND and PYTHON_EXECUTABLE.
+find_package(PythonInterp)
+
+# cxx_test_with_flags(name cxx_flags libs srcs...)
+#
+# creates a named C++ test that depends on the given libs and is built
+# from the given source files with the given compiler flags.
+function(cxx_test_with_flags name cxx_flags libs)
+ cxx_executable_with_flags(${name} "${cxx_flags}" "${libs}" ${ARGN})
+ add_test(${name} ${name})
+endfunction()
+
+# cxx_test(name libs srcs...)
+#
+# creates a named test target that depends on the given libs and is
+# built from the given source files. Unlike cxx_test_with_flags,
+# test/name.cc is already implicitly included in the source file list.
+function(cxx_test name libs)
+ cxx_test_with_flags("${name}" "${cxx_default}" "${libs}"
+ "test/${name}.cc" ${ARGN})
+endfunction()
+
+# py_test(name)
+#
+# creates a Python test with the given name whose main module is in
+# test/name.py. It does nothing if Python is not installed.
+function(py_test name)
+ # We are not supporting Python tests on Linux yet as they consider
+ # all Linux environments to be google3 and try to use google3 features.
+ if (PYTHONINTERP_FOUND)
+ # ${CMAKE_BINARY_DIR} is known at configuration time, so we can
+ # directly bind it from cmake. ${CTEST_CONFIGURATION_TYPE} is known
+ # only at ctest runtime (by calling ctest -c <Configuration>), so
+ # we have to escape $ to delay variable substitution here.
+ add_test(${name}
+ ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test/${name}.py
+ --build_dir=${CMAKE_CURRENT_BINARY_DIR}/\${CTEST_CONFIGURATION_TYPE})
+ endif()
+endfunction()
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