217 lines
8.8 KiB
CMake
217 lines
8.8 KiB
CMake
# 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()
|