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author | zhanyong.wan <zhanyong.wan@861a406c-534a-0410-8894-cb66d6ee9925> | 2010-05-10 17:11:58 (GMT) |
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committer | zhanyong.wan <zhanyong.wan@861a406c-534a-0410-8894-cb66d6ee9925> | 2010-05-10 17:11:58 (GMT) |
commit | 2ccea88c99d1ae23383d1b8eb3680a4a4d2edd66 (patch) | |
tree | 1e633f4afd1e86e367d7d10cb0467fc910d03464 /cmake | |
parent | cdc0aae155e9069eeebcb191570b8cb1b258ecd8 (diff) | |
download | googletest-2ccea88c99d1ae23383d1b8eb3680a4a4d2edd66.zip googletest-2ccea88c99d1ae23383d1b8eb3680a4a4d2edd66.tar.gz googletest-2ccea88c99d1ae23383d1b8eb3680a4a4d2edd66.tar.bz2 |
Moves the universal printer from gmock to gtest and refactors the cmake script for reusing in gmock (by Vlad Losev).
Diffstat (limited to 'cmake')
-rw-r--r-- | cmake/internal_utils.cmake | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/cmake/internal_utils.cmake b/cmake/internal_utils.cmake new file mode 100644 index 0000000..dea8e16 --- /dev/null +++ b/cmake/internal_utils.cmake @@ -0,0 +1,186 @@ +# Defines CMAKE_USE_PTHREADS_INIT and CMAKE_THREAD_LIBS_INIT. +find_package(Threads) + +# macro is required here, as inside a function string() will update +# variables only at the function scope. +macro(fix_default_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) + # 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" ${flag_var} "${${flag_var}}") + endforeach() + endif() +endmacro() + +# Defines the compiler/linker flags used to build gtest. You can +# tweak these definitions to suit your need. A variable's value is +# empty before it's explicitly assigned to. + +if (MSVC) + # Newlines inside flags variables break CMake's NMake generator. + # TODO(vladl@google.com): Add -RTCs and -RTCu to debug builds. + set(cxx_base_flags "-GS -W4 -WX -wd4127 -wd4251 -wd4275 -nologo -J -Zi") + set(cxx_base_flags "${cxx_base_flags} -D_UNICODE -DUNICODE -DWIN32 -D_WIN32") + set(cxx_base_flags "${cxx_base_flags} -DSTRICT -DWIN32_LEAN_AND_MEAN") + set(cxx_exception_flags "-EHsc -D_HAS_EXCEPTIONS=1") + set(cxx_no_exception_flags "-D_HAS_EXCEPTIONS=0") + set(cxx_no_rtti_flags "-GR-") +elseif (CMAKE_COMPILER_IS_GNUCXX) + set(cxx_base_flags "-Wall -Wshadow") + set(cxx_exception_flags "-fexceptions") + set(cxx_no_exception_flags "-fno-exceptions") + # Until version 4.3.2, GCC doesn't define a macro to indicate + # whether RTTI is enabled. Therefore we define GTEST_HAS_RTTI + # explicitly. + set(cxx_no_rtti_flags "-fno-rtti -DGTEST_HAS_RTTI=0") + set(cxx_strict_flags "-Wextra") +elseif (CMAKE_CXX_COMPILER_ID STREQUAL "SunPro") + set(cxx_exception_flags "-features=except") + # Sun Pro doesn't provide macros to indicate whether exceptions and + # RTTI are enabled, so we define GTEST_HAS_* explicitly. + set(cxx_no_exception_flags "-features=no%except -DGTEST_HAS_EXCEPTIONS=0") + set(cxx_no_rtti_flags "-features=no%rtti -DGTEST_HAS_RTTI=0") +elseif (CMAKE_CXX_COMPILER_ID STREQUAL "VisualAge" OR + CMAKE_CXX_COMPILER_ID STREQUAL "XL") + # CMake 2.8 changes Visual Age's compiler ID to "XL". + set(cxx_exception_flags "-qeh") + set(cxx_no_exception_flags "-qnoeh") + # Until version 9.0, Visual Age doesn't define a macro to indicate + # whether RTTI is enabled. Therefore we define GTEST_HAS_RTTI + # explicitly. + set(cxx_no_rtti_flags "-qnortti -DGTEST_HAS_RTTI=0") +endif() + +if (CMAKE_USE_PTHREADS_INIT) # The pthreads library is available. + set(cxx_base_flags "${cxx_base_flags} -DGTEST_HAS_PTHREAD=1") +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} ${cxx_strict_flags}") + +######################################################################## +# +# Defines the gtest & gtest_main libraries. User tests should link +# with one of them. +function(cxx_library_with_type name type cxx_flags) + # type can be either STATIC or SHARED to denote a static or shared library. + # ARGN refers to additional arguments after 'cxx_flags'. + add_library(${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} ${CMAKE_THREAD_LIBS_INIT}) + endif() +endfunction() + +function(cxx_shared_library name cxx_flags) + cxx_library_with_type(${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 AND NOT ${CMAKE_SYSTEM_NAME} MATCHES "Linux") + # ${gtest_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} ${gtest_SOURCE_DIR}/test/${name}.py + --gtest_build_dir=${gtest_BINARY_DIR}/\${CTEST_CONFIGURATION_TYPE}) + endif() +endfunction() |