[PATCH v2 1/5] glibcextract.py: Add compile_c_snippet
Adhemerval Zanella
adhemerval.zanella@linaro.org
Wed Aug 10 17:24:43 GMT 2022
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)
+ # Compilation has to be from stdin to avoid the temporary file
+ # name being written into the generated dependencies.
+ cmd = ('%s %s -c -o %s -x c - < %s' % (cc, extra_cc_args,
+ obj_file_name, c_file_name))
+ r = subprocess.run(cmd, shell=True, capture_output=True)
+ return CompileResult(r.returncode, r.stderr)
--
2.34.1
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