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46 lines
1.8 KiB
C++
46 lines
1.8 KiB
C++
// This source file checks that:
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// 1) Header <${header_str}> compiles without error.
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// 2) Common macro collisions with platform/system headers are avoided.
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// Turn off failures for certain configurations:
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#ifndef NVBench_IGNORE_MACRO_CHECKS
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// Define NVBench_MACRO_CHECK(macro, header), which emits a diagnostic indicating
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// a potential macro collision and halts.
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//
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// Hacky way to build a string, but it works on all tested platforms.
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#define NVBench_MACRO_CHECK(MACRO, HEADER) \
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NVBench_MACRO_CHECK_IMPL( \
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Identifier MACRO should not be used from NVBench headers due to conflicts with HEADER macros.)
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// Use raw platform checks instead of the NVBench_HOST_COMPILER macros since we
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// don't want to #include any headers other than the one being tested.
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//
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// This is only implemented for GCC/Clang.
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#if defined(__clang__) || defined(__GNUC__)
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// GCC/clang are easy:
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#define NVBench_MACRO_CHECK_IMPL(msg) NVBench_MACRO_CHECK_IMPL0(GCC error #msg)
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#define NVBench_MACRO_CHECK_IMPL0(expr) _Pragma(#expr)
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#endif // defined(__clang__) || defined(__GNUC__)
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// complex.h conflicts
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#define I NVBench_MACRO_CHECK('I', complex.h)
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// windows.h conflicts
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#define small NVBench_MACRO_CHECK('small', windows.h)
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// We can't enable these checks without breaking some builds -- some standard
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// library implementations unconditionally `#undef` these macros, which then
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// causes random failures later.
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// Leaving these commented out as a warning: Here be dragons.
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// #define min(...) NVBench_MACRO_CHECK('min', windows.h)
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// #define max(...) NVBench_MACRO_CHECK('max', windows.h)
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// termios.h conflicts (NVIDIA/thrust#1547)
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#define B0 NVBench_MACRO_CHECK("B0", termios.h)
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#endif // NVBench_IGNORE_MACRO_CHECKS
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#include <${header_str}>
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