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54 lines
2.1 KiB
54 lines
2.1 KiB
project('has header', 'c', 'cpp') |
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host_system = host_machine.system() |
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non_existent_header = 'ouagadougou.h' |
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# Copy it into the builddir to ensure that it isn't found even if it's there |
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configure_file(input : non_existent_header, |
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output : non_existent_header, |
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configuration : configuration_data()) |
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# Test that the fallback to __has_include also works on all compilers |
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if host_system != 'darwin' |
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fallbacks = ['', '\n#undef __has_include'] |
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else |
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# On Darwin's clang you can't redefine builtin macros so the above doesn't work |
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fallbacks = [''] |
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endif |
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foreach fallback : fallbacks |
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foreach comp : [meson.get_compiler('c'), meson.get_compiler('cpp')] |
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assert(comp.has_header('stdio.h', prefix : fallback), 'Stdio missing.') |
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# stdio.h doesn't actually need stdlib.h, but just test that setting the |
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# prefix does not result in an error. |
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assert(comp.has_header('stdio.h', prefix : '#include <stdlib.h>' + fallback), |
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'Stdio missing.') |
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# XInput.h should not require type definitions from windows.h, but it does |
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# require macro definitions. Specifically, it requires an arch setting for |
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# VS2015 at least. |
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# We only do this check on MSVC because MinGW often defines its own wrappers |
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# that pre-include windows.h |
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if comp.get_id() == 'msvc' |
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assert(comp.has_header('XInput.h', prefix : '#include <windows.h>' + fallback), |
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'XInput.h should not be missing on Windows') |
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assert(comp.has_header('XInput.h', prefix : '#define _X86_' + fallback), |
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'XInput.h should not need windows.h') |
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endif |
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# Test that the following GCC bug doesn't happen: |
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80005 |
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# https://github.com/mesonbuild/meson/issues/1458 |
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if host_system == 'linux' |
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assert(comp.has_header('linux/if.h', prefix : fallback), |
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'Could not find <linux/if.h>') |
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endif |
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# This header exists in the source and the builddir, but we still must not |
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# find it since we are looking in the system directories. |
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assert(not comp.has_header(non_existent_header, prefix : fallback), |
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'Found non-existent header.') |
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endforeach |
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endforeach
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