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f5208d1641
This is the first of two rather big changes to clean up includes throughout the project. In this commit, the implicit semi-dependency on libc that bonnibel adds to every module is removed. Previously, I was sloppy with includes of libc headers and include directory order. Now, the freestanding headers from libc are split out into libc_free, and an implicit real dependency is added onto this module, unless `no_libc` is set to `True`. The full libc needs to be explicitly specified as a dependency to be used. Several things needed to change in order to do this: - Many places use `memset` or `memcpy` that cannot depend on libc. The kernel has basic implementations of them itself for this reason. Now those functions are moved into the lower-level `j6/memutils.h`, and libc merely references them. Other modules are now free to reference those functions from libj6 instead. - The kernel's `assert.h` was renamed kassert.h (matching its `kassert` function) so that the new `util/assert.h` can use `__has_include` to detect it and make sure the `assert` macro is usable in libutil code. - Several implementation header files under `__libj6/` also moved under the new libc_free. - A new `include_phase` property has been added to modules for Bonnibel, which can be "normal" (default) or "late" which uses `-idirafter` instead of `-I` for includes. - Since `<utility>` and `<new>` are not freestanding, implementations of `remove_reference`, `forward`, `move`, and `swap` were added to the `util` namespace to replace those from `std`, and `util/new.h` was added to declare `operator new` and `operator delete`.
39 lines
995 B
Python
39 lines
995 B
Python
# vim: ft=python
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# Normally I prefer listing every source file so that ninja can pick
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# up on added files and regenerate appropriately, but libc has _so_
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# many files that it's unweildy. So if a file is added or removed in
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# libc, remember to run configure again.
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def glob(ext):
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from glob import glob
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def resolve(path):
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from pathlib import Path
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return str(Path(path).relative_to(module_root))
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return list(map(resolve, glob(f"{module_root}/**/*.{ext}", recursive=True)))
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sources = []
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for ext in ("c", "cpp", "s", "inc"):
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sources += glob(ext) + glob(ext + ".cog")
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headers = []
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for ext in ("h",):
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headers += glob(ext) + glob(ext + ".cog")
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libc = module("libc",
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kind = "lib",
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deps = [ "j6" ],
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output = "libc.a",
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include_phase = "late",
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sources = sources,
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public_headers = headers,
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)
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libc.variables["ccflags"] = [
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"${ccflags}",
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"-DPRINTF_SUPPORT_DECIMAL_SPECIFIERS=0",
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"-DPRINTF_SUPPORT_EXPONENTIAL_SPECIFIERS=0",
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]
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