The source code and dockerfile for the GSW2024 AI Lab.
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# 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.
if (POLICY CMP0054)
cmake_policy(SET CMP0054 NEW)
endif (POLICY CMP0054)
# 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
# https://gitlab.kitware.com/cmake/community/wikis/FAQ#dynamic-replace.
foreach (flag_var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
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}}")
# Prevent D9025 warning for targets that have exception handling
# turned off (/EHs-c- flag). Where required, exceptions are explicitly
# re-enabled using the cxx_exception_flags variable.
string(REPLACE "/EHsc" "" ${flag_var} "${${flag_var}}")
endforeach()
endif()
endmacro()
# Defines the compiler/linker flags used to build Google Test and
# Google Mock. You can tweak these definitions to suit your need. A
# variable's value is empty before it's explicitly assigned to.
macro(config_compiler_and_linker)
# Note: pthreads on MinGW is not supported, even if available
# instead, we use windows threading primitives
unset(GTEST_HAS_PTHREAD)
if (NOT gtest_disable_pthreads AND NOT MINGW)
# Defines CMAKE_USE_PTHREADS_INIT and CMAKE_THREAD_LIBS_INIT.
find_package(Threads)
if (CMAKE_USE_PTHREADS_INIT)
set(GTEST_HAS_PTHREAD ON)
endif()
endif()
fix_default_compiler_settings_()
if (MSVC)
# Newlines inside flags variables break CMake's NMake generator.
# TODO(vladl@google.com): Add -RTCs and -RTCu to debug builds.
set(cxx_base_flags "-GS -W4 -WX -wd4251 -wd4275 -nologo -J")
set(cxx_base_flags "${cxx_base_flags} -D_UNICODE -DUNICODE -DWIN32 -D_WIN32")
set(cxx_base_flags "${cxx_base_flags} -DSTRICT -DWIN32_LEAN_AND_MEAN")
set(cxx_exception_flags "-EHsc -D_HAS_EXCEPTIONS=1")
set(cxx_no_exception_flags "-EHs-c- -D_HAS_EXCEPTIONS=0")
set(cxx_no_rtti_flags "-GR-")
# Suppress "unreachable code" warning
# http://stackoverflow.com/questions/3232669 explains the issue.
set(cxx_base_flags "${cxx_base_flags} -wd4702")
# Ensure MSVC treats source files as UTF-8 encoded.
set(cxx_base_flags "${cxx_base_flags} -utf-8")
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
set(cxx_base_flags "-Wall -Wshadow -Werror -Wconversion")
set(cxx_exception_flags "-fexceptions")
set(cxx_no_exception_flags "-fno-exceptions")
set(cxx_strict_flags "-W -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline -Wredundant-decls")
set(cxx_no_rtti_flags "-fno-rtti")
elseif (CMAKE_COMPILER_IS_GNUCXX)
set(cxx_base_flags "-Wall -Wshadow -Werror")
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0.0)
set(cxx_base_flags "${cxx_base_flags} -Wno-error=dangling-else")
endif()
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 -Wno-unused-parameter -Wno-missing-field-initializers")
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()
# The pthreads library is available and allowed?
if (DEFINED GTEST_HAS_PTHREAD)
set(GTEST_HAS_PTHREAD_MACRO "-DGTEST_HAS_PTHREAD=1")
else()
set(GTEST_HAS_PTHREAD_MACRO "-DGTEST_HAS_PTHREAD=0")
endif()
set(cxx_base_flags "${cxx_base_flags} ${GTEST_HAS_PTHREAD_MACRO}")
# For building gtest's own tests and samples.
set(cxx_exception "${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} ${cxx_no_rtti_flags}")
# For building the gtest libraries.
set(cxx_strict "${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} ${ARGN})
add_library(${cmake_package_name}::${name} ALIAS ${name})
set_target_properties(${name} PROPERTIES
COMPILE_FLAGS "${cxx_flags}")
# Generate debug library name with a postfix.
set_target_properties(${name} PROPERTIES
DEBUG_POSTFIX "d")
# Set the output directory for build artifacts
set_target_properties(${name} PROPERTIES
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
PDB_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
# make PDBs match library name
get_target_property(pdb_debug_postfix ${name} DEBUG_POSTFIX)
set_target_properties(${name} PROPERTIES
PDB_NAME "${name}"
PDB_NAME_DEBUG "${name}${pdb_debug_postfix}"
COMPILE_PDB_NAME "${name}"
COMPILE_PDB_NAME_DEBUG "${name}${pdb_debug_postfix}")
if (BUILD_SHARED_LIBS OR type STREQUAL "SHARED")
set_target_properties(${name} PROPERTIES
COMPILE_DEFINITIONS "GTEST_CREATE_SHARED_LIBRARY=1")
if (NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
target_compile_definitions(${name} INTERFACE $<INSTALL_INTERFACE:GTEST_LINKED_AS_SHARED_LIBRARY=1>)
endif()
endif()
if (DEFINED GTEST_HAS_PTHREAD)
if ("${CMAKE_VERSION}" VERSION_LESS "3.1.0")
set(threads_spec ${CMAKE_THREAD_LIBS_INIT})
else()
set(threads_spec Threads::Threads)
endif()
target_link_libraries(${name} PUBLIC ${threads_spec})
endif()
if (NOT "${CMAKE_VERSION}" VERSION_LESS "3.8")
target_compile_features(${name} PUBLIC cxx_std_11)
endif()
endfunction()
########################################################################
#
# Helper functions for creating build targets.
function(cxx_shared_library name cxx_flags)
cxx_library_with_type(${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} ${ARGN})
if (MSVC)
# BigObj required for tests.
set(cxx_flags "${cxx_flags} -bigobj")
endif()
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" ${ARGN})
endfunction()
# Sets PYTHONINTERP_FOUND and PYTHON_EXECUTABLE.
if ("${CMAKE_VERSION}" VERSION_LESS "3.12.0")
find_package(PythonInterp)
else()
find_package(Python COMPONENTS Interpreter)
set(PYTHONINTERP_FOUND ${Python_Interpreter_FOUND})
set(PYTHON_EXECUTABLE ${Python_EXECUTABLE})
endif()
# cxx_test_with_flags(name cxx_flags libs srcs...)
#
# creates a named C++ test that depends on the given libs and is built
# from the given source files with the given compiler flags.
function(cxx_test_with_flags name cxx_flags libs)
cxx_executable_with_flags(${name} "${cxx_flags}" "${libs}" ${ARGN})
add_test(NAME ${name} COMMAND "$<TARGET_FILE:${name}>")
endfunction()
# cxx_test(name libs srcs...)
#
# creates a named test target that depends on the given libs and is
# built from the given source files. Unlike cxx_test_with_flags,
# test/name.cc is already implicitly included in the source file list.
function(cxx_test name libs)
cxx_test_with_flags("${name}" "${cxx_default}" "${libs}" "test/${name}.cc" ${ARGN})
endfunction()
# py_test(name)
#
# creates a Python test with the given name whose main module is in
# test/name.py. It does nothing if Python is not installed.
function(py_test name)
if (PYTHONINTERP_FOUND)
if ("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" VERSION_GREATER 3.1)
if (CMAKE_CONFIGURATION_TYPES)
# Multi-configuration build generators as for Visual Studio save
# output in a subdirectory of CMAKE_CURRENT_BINARY_DIR (Debug,
# Release etc.), so we have to provide it here.
add_test(NAME ${name} COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test/${name}.py
--build_dir=${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG> ${ARGN})
else (CMAKE_CONFIGURATION_TYPES)
# Single-configuration build generators like Makefile generators
# don't have subdirs below CMAKE_CURRENT_BINARY_DIR.
add_test(NAME ${name} COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test/${name}.py
--build_dir=${CMAKE_CURRENT_BINARY_DIR} ${ARGN})
endif (CMAKE_CONFIGURATION_TYPES)
else()
# ${CMAKE_CURRENT_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 ${name} COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test/${name}.py
--build_dir=${CMAKE_CURRENT_BINARY_DIR}/\${CTEST_CONFIGURATION_TYPE} ${ARGN})
endif()
endif(PYTHONINTERP_FOUND)
endfunction()
# install_project(targets...)
#
# Installs the specified targets and configures the associated pkgconfig files.
function(install_project)
if(INSTALL_GTEST)
install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
# Install the project targets.
install(TARGETS ${ARGN} EXPORT ${targets_export_name}
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}")
if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
# Install PDBs
foreach(t ${ARGN})
get_target_property(t_pdb_name ${t} COMPILE_PDB_NAME)
get_target_property(t_pdb_name_debug ${t} COMPILE_PDB_NAME_DEBUG)
get_target_property(t_pdb_output_directory ${t} PDB_OUTPUT_DIRECTORY)
install(FILES "${t_pdb_output_directory}/\${CMAKE_INSTALL_CONFIG_NAME}/$<$<CONFIG:Debug>:${t_pdb_name_debug}>$<$<NOT:$<CONFIG:Debug>>:${t_pdb_name}>.pdb"
DESTINATION ${CMAKE_INSTALL_LIBDIR}
OPTIONAL)
endforeach()
endif()
# Configure and install pkgconfig files.
foreach(t ${ARGN})
set(configured_pc "${generated_dir}/${t}.pc")
configure_file("${PROJECT_SOURCE_DIR}/cmake/${t}.pc.in" "${configured_pc}" @ONLY)
install(FILES "${configured_pc}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
endforeach()
endif()
endfunction()
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