[PATCH v2 1/5] glibcextract.py: Add compile_c_snippet

Florian Weimer fweimer@redhat.com
Wed Aug 10 17:38:10 GMT 2022


* Adhemerval Zanella:

> It might be used on tests to check if a snippet build with the provided
> compiler and flags.
> ---
>  scripts/glibcextract.py | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>
> diff --git a/scripts/glibcextract.py b/scripts/glibcextract.py
> index 43ab58ffe2..71d9ea1acc 100644
> --- a/scripts/glibcextract.py
> +++ b/scripts/glibcextract.py
> @@ -21,6 +21,7 @@ import os.path
>  import re
>  import subprocess
>  import tempfile
> +import collections
>  
>  
>  def compute_c_consts(sym_data, cc):
> @@ -173,3 +174,22 @@ def compare_macro_consts(source_1, source_2, cc, macro_re, exclude_re=None,
>              if not allow_extra_2:
>                  ret = 1
>      return ret
> +
> +CompileResult = collections.namedtuple("CompileResult", "returncode output")
> +
> +def compile_c_snippet(snippet, cc, extra_cc_args=""):
> +    """Compile and return whether the SNIPPET can be build with CC along
> +       EXTRA_CC_ARGS compiler flags.  Return a CompileResult with RETURNCODE
> +       being 0 for success, or the failure value and the compiler output.
> +    """
> +    with tempfile.TemporaryDirectory() as temp_dir:
> +        c_file_name = os.path.join(temp_dir, 'test.c')
> +        obj_file_name = os.path.join(temp_dir, 'test.o')
> +        with open(c_file_name, 'w') as c_file:
> +            c_file.write(snippet)

Sorry, one more thing: Please write '\n' at the end because “snippet”
sometimes does not have a newline at the end (which can trigger warnings
in some cases, IIRC).

Thanks,
Florian



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