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ee0a7c14c5
Resolve #96 by introducing C++17 feature (and frequent vendor extension) __has_include(), along with appropriate unit tests and documentation updates
22 lines
760 B
C++
22 lines
760 B
C++
/*=============================================================================
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Boost.Wave: A Standard compliant C++ preprocessor library
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http://www.boost.org/
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Copyright (c) 2020 Jeff Trull. Distributed under the Boost
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Software License, Version 1.0. (See accompanying file
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LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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// Check for malformed computed includes
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//O --c++17
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//O -Werror
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// macro that does *not* evaluate to a quoted or bracketed string
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#define FOO BAR
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#if __has_include(FOO)
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#warning for some reason has_include likes this non-file-looking macro
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#endif
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//E t_2_030.cpp(17): error: ill formed __has_include expression: BAR
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