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23 lines
776 B
C++
23 lines
776 B
C++
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// This is a dummy program that just needs to compile and link to tell us if
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// the C++17 std::filesystem API is available. Use CMake's configure_file
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// command to replace the FILESYSTEM_HEADER and FILESYSTEM_NAMESPACE tokens
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// for each combination of headers and namespaces which we want to pass to the
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// CMake try_compile command.
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#include <@FILESYSTEM_HEADER@>
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// clang-format off
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int main()
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{
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#if defined( __cpp_exceptions )
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try {
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throw @FILESYSTEM_NAMESPACE@::filesystem_error( "instantiate one to make sure it links", std::make_error_code( std::errc::function_not_supported ) );
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}
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catch( const @FILESYSTEM_NAMESPACE@::filesystem_error& error ) {
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return -1;
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}
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#endif
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return !@FILESYSTEM_NAMESPACE@::temp_directory_path().is_absolute();
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}
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