fmt/test/CMakeLists.txt

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add_subdirectory(gtest)
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include(CheckSymbolExists)
set(TEST_MAIN_SRC test-main.cc gtest-extra.cc gtest-extra.h util.cc)
add_library(test-main STATIC ${TEST_MAIN_SRC})
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target_include_directories(test-main PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
target_link_libraries(test-main gtest fmt)
function(add_fmt_executable name)
add_executable(${name} ${ARGN})
# (Wstringop-overflow) - [meta-bug] bogus/missing -Wstringop-overflow warnings
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443
# Bogus -Wstringop-overflow warning
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100395
# [10 Regression] spurious -Wstringop-overflow writing to a trailing array plus offset
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95353
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND
NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
target_compile_options(${name} PRIVATE -Wno-stringop-overflow)
# The linker flag is needed for LTO.
target_link_libraries(${name} -Wno-stringop-overflow)
endif ()
endfunction()
# Adds a test.
# Usage: add_fmt_test(name srcs...)
function(add_fmt_test name)
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cmake_parse_arguments(ADD_FMT_TEST "HEADER_ONLY;MODULE" "" "" ${ARGN})
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set(sources ${name}.cc ${ADD_FMT_TEST_UNPARSED_ARGUMENTS})
if (ADD_FMT_TEST_HEADER_ONLY)
set(sources ${sources} ${TEST_MAIN_SRC} ../src/os.cc)
set(libs gtest fmt-header-only)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wno-weak-vtables)
endif ()
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elseif (ADD_FMT_TEST_MODULE)
set(libs test-main test-module)
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set_source_files_properties(${name}.cc PROPERTIES OBJECT_DEPENDS test-module)
else ()
set(libs test-main fmt)
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endif ()
add_fmt_executable(${name} ${sources})
target_link_libraries(${name} ${libs})
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if (ADD_FMT_TEST_HEADER_ONLY AND NOT FMT_UNICODE)
target_compile_definitions(${name} PUBLIC FMT_UNICODE=0)
endif ()
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# Define if certain C++ features can be used.
if (FMT_PEDANTIC)
target_compile_options(${name} PRIVATE ${PEDANTIC_COMPILE_FLAGS})
endif ()
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if (FMT_WERROR)
target_compile_options(${name} PRIVATE ${WERROR_FLAG})
endif ()
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add_test(NAME ${name} COMMAND ${name})
endfunction()
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if (FMT_MODULE)
return ()
endif ()
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add_fmt_test(args-test)
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add_fmt_test(base-test)
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add_fmt_test(assert-test)
add_fmt_test(chrono-test)
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add_fmt_test(color-test)
add_fmt_test(gtest-extra-test)
add_fmt_test(format-test mock-allocator.h)
Making CUDA test work with CMAKE_MSVC_RUNTIME_LIBRARY CMake 3.15 introduced a new way of handling MSVC CRT type definition for the build: CMAKE_MSVC_RUNTIME_LIBRARY variable. (https://cmake.org/cmake/help/latest/variable/CMAKE_MSVC_RUNTIME_LIBRARY.html) This is supposed to be the way to go with MSVC CRT selection in new projects. Using this method however breaks the current CMake script for CUDA test. The reason is the CUDA test uses "FindCUDA" CMake module to detect and set up CUDA support in CMake, which is deprecated since CMake version 3.10, and which does not support CMAKE_MSVC_RUNTIME_LIBRARY selector correctly (i.e. it does not propagate the compiler option related to the CRT). I did not find a way to "patch" in the correct compiler options, so (while knowing this feature is only available from CMake 3.15 on) I decided to change also the way CUDA is handled and instead of using FindCUDA, used enable_language. Apart from having some nice additional side-effects, it also fixed the problem with CRT selection. However, the propagation of the compiler options (and in particular the options related to C++ standard selection) is still a bit flaky on Windows+MSVC platform, so it had to be done manually. The patch makes two things in parallel: 1) Introduces MSVC_BUILD_STATIC, which, together with CMake version >= 3.15, allows building static version of the 'fmt' lib (and all the tests). 2) At the same time, for CMake >= 3.15 it switches handling of CUDA support from (old) FindCUDA to (new) enable_language, to fix the problems which the old method has with the new CRT selector for MSVC in a new CMake. Added a check for CUDA before enabling it. Using VERSION_LESS instead of VERSION_GREATER_EQUAL Since apparently VERSION_GREATER_EQUAL exists only from CMake 3.7, while Android is using CMake 3.6. Removed MSVC_RUNTIME_LIBRARY logic from the CMake file. The static build can be set on the command line with CMake >= 3.15 by defining the policy and the CMAKE_MSVC_RUNTIME_LIBARY this way: cmake -G <gen> <options> -DCMAKE_POLICY_DEFAULT_CMP0091=NEW -DMSVC_BUILD_STATIC=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded$<$<CONFIG:Debug>:Debug>" When MSVC_BUILD_DEBUG is set the test 'posix-mock-test' is skipped as it does not build with the static runtime.
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if (MSVC)
target_compile_options(format-test PRIVATE /bigobj)
endif ()
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if (NOT (MSVC AND BUILD_SHARED_LIBS))
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add_fmt_test(format-impl-test HEADER_ONLY header-only-test.cc)
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endif ()
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add_fmt_test(ostream-test)
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add_fmt_test(compile-test)
add_fmt_test(compile-fp-test HEADER_ONLY)
if (MSVC)
# Without this option, MSVC returns 199711L for the __cplusplus macro.
target_compile_options(compile-fp-test PRIVATE /Zc:__cplusplus)
endif()
add_fmt_test(printf-test)
add_fmt_test(ranges-test ranges-odr-test.cc)
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add_fmt_test(scan-test HEADER_ONLY)
check_symbol_exists(strptime "time.h" HAVE_STRPTIME)
if (HAVE_STRPTIME)
target_compile_definitions(scan-test PRIVATE FMT_HAVE_STRPTIME)
endif ()
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add_fmt_test(std-test)
try_compile(compile_result_unused
${CMAKE_CURRENT_BINARY_DIR}
SOURCES ${CMAKE_CURRENT_LIST_DIR}/detect-stdfs.cc
OUTPUT_VARIABLE RAWOUTPUT)
string(REGEX REPLACE ".*libfound \"([^\"]*)\".*" "\\1" STDLIBFS "${RAWOUTPUT}")
if (STDLIBFS)
target_link_libraries(std-test ${STDLIBFS})
endif ()
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add_fmt_test(unicode-test HEADER_ONLY)
if (MSVC)
target_compile_options(unicode-test PRIVATE /utf-8)
endif ()
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add_fmt_test(xchar-test)
add_fmt_test(enforce-checks-test)
target_compile_definitions(enforce-checks-test PRIVATE
-DFMT_ENFORCE_COMPILE_STRING)
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if (FMT_MODULE)
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# The tests need {fmt} to be compiled as traditional library
# because of visibility of implementation details.
# If module support is present the module tests require a
# test-only module to be built from {fmt}
add_library(test-module OBJECT ${CMAKE_SOURCE_DIR}/src/fmt.cc)
target_compile_features(test-module PUBLIC cxx_std_11)
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target_include_directories(test-module PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
enable_module(test-module)
add_fmt_test(module-test MODULE test-main.cc)
if (MSVC)
target_compile_options(test-module PRIVATE /utf-8 /Zc:__cplusplus
/Zc:externConstexpr /Zc:inline)
target_compile_options(module-test PRIVATE /utf-8 /Zc:__cplusplus
/Zc:externConstexpr /Zc:inline)
endif ()
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endif ()
if (NOT DEFINED MSVC_STATIC_RUNTIME AND MSVC)
foreach (flag_var
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
if (${flag_var} MATCHES "^(/|-)(MT|MTd)")
set(MSVC_STATIC_RUNTIME ON)
break()
endif()
endforeach()
endif()
if (NOT MSVC_STATIC_RUNTIME)
add_fmt_executable(posix-mock-test
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posix-mock-test.cc ../src/format.cc ${TEST_MAIN_SRC})
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target_include_directories(
posix-mock-test PRIVATE ${PROJECT_SOURCE_DIR}/include)
target_link_libraries(posix-mock-test gtest)
if (FMT_PEDANTIC)
target_compile_options(posix-mock-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
endif ()
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if (MSVC)
target_compile_options(posix-mock-test PRIVATE /utf-8)
endif ()
add_test(NAME posix-mock-test COMMAND posix-mock-test)
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add_fmt_test(os-test)
endif ()
message(STATUS "FMT_PEDANTIC: ${FMT_PEDANTIC}")
if (FMT_PEDANTIC)
# Test that the library can be compiled with exceptions disabled.
# -fno-exception is broken in icc: https://github.com/fmtlib/fmt/issues/822.
if (NOT CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
check_cxx_compiler_flag(-fno-exceptions HAVE_FNO_EXCEPTIONS_FLAG)
endif ()
if (HAVE_FNO_EXCEPTIONS_FLAG)
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add_library(noexception-test ../src/format.cc noexception-test.cc)
target_include_directories(
noexception-test PRIVATE ${PROJECT_SOURCE_DIR}/include)
target_compile_options(noexception-test PRIVATE -fno-exceptions)
target_compile_options(noexception-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
endif ()
# Test that the library compiles without locale.
add_library(nolocale-test ../src/format.cc)
target_include_directories(
nolocale-test PRIVATE ${PROJECT_SOURCE_DIR}/include)
target_compile_definitions(
nolocale-test PRIVATE FMT_STATIC_THOUSANDS_SEPARATOR=1)
endif ()
# These tests are disabled on Windows because they take too long.
# They are disabled on GCC < 4.9 because it can not parse UDLs without
# a space after `operator""` but that is an incorrect syntax for any more
# modern compiler.
if (FMT_PEDANTIC AND NOT WIN32 AND NOT (
CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND
CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9))
# Test if incorrect API usages produce compilation error.
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add_test(compile-error-test ${CMAKE_CTEST_COMMAND}
--build-and-test
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"${CMAKE_CURRENT_SOURCE_DIR}/compile-error-test"
"${CMAKE_CURRENT_BINARY_DIR}/compile-error-test"
--build-generator ${CMAKE_GENERATOR}
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
--build-options
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
"-DCXX_STANDARD_FLAG=${CXX_STANDARD_FLAG}"
"-DFMT_DIR=${CMAKE_SOURCE_DIR}")
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# Test if the targets are found from the build directory.
add_test(find-package-test ${CMAKE_CTEST_COMMAND}
-C ${CMAKE_BUILD_TYPE}
--build-and-test
"${CMAKE_CURRENT_SOURCE_DIR}/find-package-test"
"${CMAKE_CURRENT_BINARY_DIR}/find-package-test"
--build-generator ${CMAKE_GENERATOR}
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
--build-options
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
"-DFMT_DIR=${PROJECT_BINARY_DIR}"
"-DPEDANTIC_COMPILE_FLAGS=${PEDANTIC_COMPILE_FLAGS}"
"-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
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# Test if the targets are found when add_subdirectory is used.
add_test(add-subdirectory-test ${CMAKE_CTEST_COMMAND}
-C ${CMAKE_BUILD_TYPE}
--build-and-test
"${CMAKE_CURRENT_SOURCE_DIR}/add-subdirectory-test"
"${CMAKE_CURRENT_BINARY_DIR}/add-subdirectory-test"
--build-generator ${CMAKE_GENERATOR}
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
--build-options
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
"-DPEDANTIC_COMPILE_FLAGS=${PEDANTIC_COMPILE_FLAGS}"
"-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
endif ()
# This test are disabled on Windows because it is only *NIX issue.
if (FMT_PEDANTIC AND NOT WIN32)
add_test(static-export-test ${CMAKE_CTEST_COMMAND}
-C ${CMAKE_BUILD_TYPE}
--build-and-test
"${CMAKE_CURRENT_SOURCE_DIR}/static-export-test"
"${CMAKE_CURRENT_BINARY_DIR}/static-export-test"
--build-generator ${CMAKE_GENERATOR}
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
--build-options
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
"-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
endif ()
# Activate optional CUDA tests if CUDA is found. For version selection see
# https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#cpp14-language-features
if (FMT_CUDA_TEST)
if (${CMAKE_VERSION} VERSION_LESS 3.15)
find_package(CUDA 9.0)
else ()
include(CheckLanguage)
check_language(CUDA)
if (CMAKE_CUDA_COMPILER)
enable_language(CUDA OPTIONAL)
set(CUDA_FOUND TRUE)
endif ()
Making CUDA test work with CMAKE_MSVC_RUNTIME_LIBRARY CMake 3.15 introduced a new way of handling MSVC CRT type definition for the build: CMAKE_MSVC_RUNTIME_LIBRARY variable. (https://cmake.org/cmake/help/latest/variable/CMAKE_MSVC_RUNTIME_LIBRARY.html) This is supposed to be the way to go with MSVC CRT selection in new projects. Using this method however breaks the current CMake script for CUDA test. The reason is the CUDA test uses "FindCUDA" CMake module to detect and set up CUDA support in CMake, which is deprecated since CMake version 3.10, and which does not support CMAKE_MSVC_RUNTIME_LIBRARY selector correctly (i.e. it does not propagate the compiler option related to the CRT). I did not find a way to "patch" in the correct compiler options, so (while knowing this feature is only available from CMake 3.15 on) I decided to change also the way CUDA is handled and instead of using FindCUDA, used enable_language. Apart from having some nice additional side-effects, it also fixed the problem with CRT selection. However, the propagation of the compiler options (and in particular the options related to C++ standard selection) is still a bit flaky on Windows+MSVC platform, so it had to be done manually. The patch makes two things in parallel: 1) Introduces MSVC_BUILD_STATIC, which, together with CMake version >= 3.15, allows building static version of the 'fmt' lib (and all the tests). 2) At the same time, for CMake >= 3.15 it switches handling of CUDA support from (old) FindCUDA to (new) enable_language, to fix the problems which the old method has with the new CRT selector for MSVC in a new CMake. Added a check for CUDA before enabling it. Using VERSION_LESS instead of VERSION_GREATER_EQUAL Since apparently VERSION_GREATER_EQUAL exists only from CMake 3.7, while Android is using CMake 3.6. Removed MSVC_RUNTIME_LIBRARY logic from the CMake file. The static build can be set on the command line with CMake >= 3.15 by defining the policy and the CMAKE_MSVC_RUNTIME_LIBARY this way: cmake -G <gen> <options> -DCMAKE_POLICY_DEFAULT_CMP0091=NEW -DMSVC_BUILD_STATIC=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded$<$<CONFIG:Debug>:Debug>" When MSVC_BUILD_DEBUG is set the test 'posix-mock-test' is skipped as it does not build with the static runtime.
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endif ()
if (CUDA_FOUND)
add_subdirectory(cuda-test)
add_test(NAME cuda-test COMMAND fmt-in-cuda-test)
endif ()
endif ()