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Optional: Move optional-lite to the include/third-party directory
This fixes the use case of adding the include folder manually to an outside project.
This commit is contained in:
Paul Hollinsky
@@ -0,0 +1,224 @@
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# Copyright 2017-2018 by Martin Moene
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#
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# https://github.com/martinmoene/optional-lite
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#
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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if( NOT DEFINED CMAKE_MINIMUM_REQUIRED_VERSION )
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cmake_minimum_required( VERSION 3.5 FATAL_ERROR )
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endif()
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project( test LANGUAGES CXX )
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set( unit_name "optional" )
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set( PACKAGE ${unit_name}-lite )
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set( PROGRAM ${unit_name}-lite )
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set( SOURCES ${unit_name}-main.t.cpp ${unit_name}.t.cpp )
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set( TWEAKD "." )
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message( STATUS "Subproject '${PROJECT_NAME}', programs '${PROGRAM}-*'")
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set( OPTIONS "" )
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set( DEFCMN "" )
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set( HAS_STD_FLAGS FALSE )
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set( HAS_CPP98_FLAG FALSE )
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set( HAS_CPP11_FLAG FALSE )
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set( HAS_CPP14_FLAG FALSE )
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set( HAS_CPP17_FLAG FALSE )
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set( HAS_CPP20_FLAG FALSE )
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set( HAS_CPPLATEST_FLAG FALSE )
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if( MSVC )
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message( STATUS "Matched: MSVC")
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set( HAS_STD_FLAGS TRUE )
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set( OPTIONS -W3 -EHsc )
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set( DEFINITIONS -D_SCL_SECURE_NO_WARNINGS ${DEFCMN} )
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.00 )
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set( HAS_CPP14_FLAG TRUE )
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set( HAS_CPPLATEST_FLAG TRUE )
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endif()
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.11 )
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set( HAS_CPP17_FLAG TRUE )
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endif()
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elseif( CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang|AppleClang" )
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message( STATUS "CompilerId: '${CMAKE_CXX_COMPILER_ID}'")
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set( HAS_STD_FLAGS TRUE )
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set( HAS_CPP98_FLAG TRUE )
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set( OPTIONS -Wall -Wextra -Wconversion -Wsign-conversion -Wno-missing-braces -fno-elide-constructors )
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set( DEFINITIONS ${DEFCMN} )
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# GNU: available -std flags depends on version
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if( CMAKE_CXX_COMPILER_ID MATCHES "GNU" )
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message( STATUS "Matched: GNU")
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8.0 )
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set( HAS_CPP11_FLAG TRUE )
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endif()
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.2 )
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set( HAS_CPP14_FLAG TRUE )
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endif()
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.1.0 )
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set( HAS_CPP17_FLAG TRUE )
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endif()
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# AppleClang: available -std flags depends on version
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elseif( CMAKE_CXX_COMPILER_ID MATCHES "AppleClang" )
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message( STATUS "Matched: AppleClang")
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0.0 )
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set( HAS_CPP11_FLAG TRUE )
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endif()
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1.0 )
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set( HAS_CPP14_FLAG TRUE )
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endif()
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.2.0 )
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set( HAS_CPP17_FLAG TRUE )
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endif()
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# Clang: available -std flags depends on version
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elseif( CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
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message( STATUS "Matched: Clang")
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.3.0 )
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set( HAS_CPP11_FLAG TRUE )
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endif()
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4.0 )
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set( HAS_CPP14_FLAG TRUE )
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endif()
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if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0.0 )
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set( HAS_CPP17_FLAG TRUE )
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endif()
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endif()
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elseif( CMAKE_CXX_COMPILER_ID MATCHES "Intel" )
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# as is
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message( STATUS "Matched: Intel")
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else()
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# as is
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message( STATUS "Matched: nothing")
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endif()
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# enable MS C++ Core Guidelines checker if MSVC:
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function( enable_msvs_guideline_checker target )
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if( MSVC )
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set_target_properties( ${target} PROPERTIES
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VS_GLOBAL_EnableCppCoreCheck true
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VS_GLOBAL_CodeAnalysisRuleSet CppCoreCheckRules.ruleset
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VS_GLOBAL_RunCodeAnalysis true )
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endif()
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endfunction()
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# make target, compile for given standard if specified:
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function( make_target target std )
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message( STATUS "Make target: '${std}'" )
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add_executable ( ${target} ${SOURCES} )
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target_include_directories( ${target} PRIVATE ${TWEAKD} )
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target_link_libraries ( ${target} PRIVATE ${PACKAGE} )
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target_compile_options ( ${target} PRIVATE ${OPTIONS} )
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target_compile_definitions( ${target} PRIVATE ${DEFINITIONS} )
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if( std )
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if( MSVC )
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target_compile_options( ${target} PRIVATE -std:c++${std} )
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else()
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# Necessary for clang 3.x:
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target_compile_options( ${target} PRIVATE -std=c++${std} )
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# Ok for clang 4 and later:
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# set( CMAKE_CXX_STANDARD ${std} )
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# set( CMAKE_CXX_STANDARD_REQUIRED ON )
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# set( CMAKE_CXX_EXTENSIONS OFF )
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endif()
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endif()
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endfunction()
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# add generic executable, unless -std flags can be specified:
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if( NOT HAS_STD_FLAGS )
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make_target( ${PROGRAM}.t "" )
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else()
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# unconditionally add C++98 variant as MSVC has no option for it:
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if( HAS_CPP98_FLAG )
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make_target( ${PROGRAM}-cpp98.t 98 )
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else()
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make_target( ${PROGRAM}-cpp98.t "" )
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endif()
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if( HAS_CPP11_FLAG )
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make_target( ${PROGRAM}-cpp11.t 11 )
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endif()
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if( HAS_CPP14_FLAG )
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make_target( ${PROGRAM}-cpp14.t 14 )
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endif()
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if( HAS_CPP17_FLAG )
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set( std17 17 )
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if( CMAKE_CXX_COMPILER_ID MATCHES "AppleClang" )
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set( std17 1z )
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endif()
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make_target( ${PROGRAM}-cpp17.t ${std17} )
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enable_msvs_guideline_checker( ${PROGRAM}-cpp17.t )
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endif()
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if( HAS_CPPLATEST_FLAG )
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make_target( ${PROGRAM}-cpplatest.t latest )
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endif()
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endif()
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# with C++17, honour explicit request for std::optional or nonstd::optional:
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if( HAS_CPP17_FLAG )
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set( WHICH optional_OPTIONAL_DEFAULT )
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if( OPTIONAL_LITE_OPT_SELECT_STD )
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set( WHICH optional_OPTIONAL_STD )
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elseif( OPTIONAL_LITE_OPT_SELECT_NONSTD )
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set( WHICH optional_OPTIONAL_NONSTD )
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endif()
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target_compile_definitions( ${PROGRAM}-cpp17.t PRIVATE optional_CONFIG_SELECT_OPTIONAL=${WHICH} )
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if( HAS_CPPLATEST_FLAG )
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target_compile_definitions( ${PROGRAM}-cpplatest.t PRIVATE optional_CONFIG_SELECT_OPTIONAL=${WHICH} )
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endif()
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endif()
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# configure unit tests via CTest:
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enable_testing()
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if( HAS_STD_FLAGS )
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# unconditionally add C++98 variant for MSVC:
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add_test( NAME test-cpp98 COMMAND ${PROGRAM}-cpp98.t )
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if( HAS_CPP11_FLAG )
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add_test( NAME test-cpp11 COMMAND ${PROGRAM}-cpp11.t )
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endif()
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if( HAS_CPP14_FLAG )
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add_test( NAME test-cpp14 COMMAND ${PROGRAM}-cpp14.t )
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endif()
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if( HAS_CPP17_FLAG )
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add_test( NAME test-cpp17 COMMAND ${PROGRAM}-cpp17.t )
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endif()
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if( HAS_CPPLATEST_FLAG )
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add_test( NAME test-cpplatest COMMAND ${PROGRAM}-cpplatest.t )
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endif()
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else()
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add_test( NAME test COMMAND ${PROGRAM}.t --pass )
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add_test( NAME list_version COMMAND ${PROGRAM}.t --version )
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add_test( NAME list_tags COMMAND ${PROGRAM}.t --list-tags )
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add_test( NAME list_tests COMMAND ${PROGRAM}.t --list-tests )
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endif()
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# end of file
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