[all-commits] [llvm/llvm-project] 6ad0dc: [libc] Revamp hdrgen command line and build integr...

[Roland McGrath via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6ad0dcf67f5dccdf8506ce5f51d793062a1c6879
      https://github.com/llvm/llvm-project/commit/6ad0dcf67f5dccdf8506ce5f51d793062a1c6879
  Author: Roland McGrath <mcgrathr at google.com>
  Date:   2025-01-07 (Tue, 07 Jan 2025)

  Changed paths:
    M libc/cmake/modules/LLVMLibCHeaderRules.cmake
    M libc/include/CMakeLists.txt
    M libc/include/arpa/inet.yaml
    M libc/include/assert.yaml
    M libc/include/complex.yaml
    M libc/include/ctype.yaml
    M libc/include/dirent.yaml
    M libc/include/dlfcn.yaml
    M libc/include/elf.yaml
    M libc/include/errno.yaml
    M libc/include/fcntl.yaml
    M libc/include/features.yaml
    M libc/include/fenv.yaml
    M libc/include/float.yaml
    M libc/include/inttypes.yaml
    M libc/include/limits.yaml
    M libc/include/link.yaml
    M libc/include/locale.yaml
    M libc/include/malloc.yaml
    M libc/include/math.yaml
    M libc/include/pthread.yaml
    M libc/include/sched.yaml
    M libc/include/search.yaml
    M libc/include/setjmp.yaml
    M libc/include/signal.yaml
    M libc/include/spawn.yaml
    M libc/include/stdbit.yaml
    M libc/include/stdckdint.yaml
    M libc/include/stdfix.yaml
    M libc/include/stdint.yaml
    M libc/include/stdio.yaml
    M libc/include/stdlib.yaml
    M libc/include/string.yaml
    M libc/include/strings.yaml
    M libc/include/sys/auxv.yaml
    M libc/include/sys/epoll.yaml
    M libc/include/sys/ioctl.yaml
    M libc/include/sys/mman.yaml
    M libc/include/sys/prctl.yaml
    M libc/include/sys/random.yaml
    M libc/include/sys/resource.yaml
    M libc/include/sys/select.yaml
    M libc/include/sys/sendfile.yaml
    M libc/include/sys/socket.yaml
    M libc/include/sys/stat.yaml
    M libc/include/sys/statvfs.yaml
    M libc/include/sys/syscall.yaml
    M libc/include/sys/time.yaml
    M libc/include/sys/types.yaml
    M libc/include/sys/utsname.yaml
    M libc/include/sys/wait.yaml
    M libc/include/termios.yaml
    M libc/include/threads.yaml
    M libc/include/time.yaml
    M libc/include/uchar.yaml
    M libc/include/unistd.yaml
    M libc/include/wchar.yaml
    M libc/utils/hdrgen/header.py
    A libc/utils/hdrgen/main.py
    M libc/utils/hdrgen/tests/input/test_small.yaml
    M libc/utils/hdrgen/tests/test_integration.py
    M libc/utils/hdrgen/yaml_to_classes.py

  Log Message:
  -----------
  [libc] Revamp hdrgen command line and build integration (#121522)

This adds a new main command-line entry point for hdrgen, in the
new main.py.  This new interface is used for generating a header.
The old ways of invoking yaml_to_classes.py for other purposes
are left there for now, but `--e` is renamed to `--entry-point`
for consistency with the new CLI.

The YAML schema is expanded with the `header_template` key where
the corresponding `.h.def` file's path is given relative to where
the YAML file is found.  The build integration no longer gives
the `.h.def` path on the command line.  Instead, the script now
emits a depfile that's used by the cmake rules to track that.
The output file is always explicit in the script command line
rather than sometimes being derived from a directory path.



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