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- project('check header', 'c', 'cpp')
- host_system = host_machine.system()
- non_existant_header = 'ouagadougou.h'
- # Copy it into the builddir to ensure that it isn't found even if it's there
- configure_file(input : non_existant_header,
- output : non_existant_header,
- copy: true)
- fallback = ''
- foreach comp : [meson.get_compiler('c'), meson.get_compiler('cpp')]
- assert(comp.check_header('stdio.h', prefix : fallback), 'Stdio missing.')
- # stdio.h doesn't actually need stdlib.h, but just test that setting the
- # prefix does not result in an error.
- assert(comp.check_header('stdio.h', prefix : '#include <stdlib.h>' + fallback),
- 'Stdio missing.')
- # Test that check_header behaves differently than has_header. The second
- # check without windows.h will fail with check_header.
- # We only do this check on MSVC because MinGW often defines its own wrappers
- # that pre-include windows.h
- if comp.get_id() == 'msvc'
- assert(comp.check_header('XInput.h', prefix : '#include <windows.h>' + fallback),
- 'XInput.h should not be missing on Windows')
- assert(not comp.check_header('XInput.h'), 'XInput.h needs windows.h')
- endif
- # Test that the following GCC bug doesn't happen:
- # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80005
- # https://github.com/mesonbuild/meson/issues/1458
- if host_system == 'linux'
- assert(comp.check_header('linux/socket.h', prefix : fallback),
- 'Could not find <linux/socket.h>')
- if comp.has_header('intrin.h', prefix : fallback)
- assert(not comp.check_header('intrin.h'),
- 'intrin.h should not be usable on linux')
- endif
- endif
- # This header exists in the source and the builddir, but we still must not
- # find it since we are looking in the system directories.
- assert(not comp.check_header(non_existant_header, prefix : fallback),
- 'Found non-existant header.')
- endforeach
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