RonitBStudent
c82593ad87
Select a portable architecture from the compiler target instead of forcing x86-64-v3 on every platform. On macOS, only enable Homebrew OpenMP when its header and library actually exist, preserving the dependency-free fallback.
76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
import os
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import shutil
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import subprocess
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import unittest
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from pathlib import Path
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C_DIR = Path(__file__).resolve().parents[1]
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MAKE = shutil.which("make")
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@unittest.skipUnless(MAKE, "make is required")
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class MakefilePlatformTests(unittest.TestCase):
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def _dry_run(self, target, triplet, **variables):
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args = [
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MAKE,
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"--no-print-directory",
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"-B",
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"-n",
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target,
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f"TRIPLET={triplet}",
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]
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args.extend(f"{name}={value}" for name, value in variables.items())
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return subprocess.run(
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args,
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cwd=C_DIR,
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text=True,
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capture_output=True,
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check=True,
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)
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def test_windows_nt_without_uname_selects_mingw_build(self):
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env = os.environ.copy()
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env["OS"] = "Windows_NT"
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env["PATH"] = ""
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result = subprocess.run(
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[MAKE, "--no-print-directory", "-B", "-n", "glm"],
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cwd=C_DIR,
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env=env,
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text=True,
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capture_output=True,
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check=True,
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)
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self.assertIn("-o glm.exe", result.stdout)
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self.assertIn("-fopenmp", result.stdout)
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self.assertIn("-static", result.stdout)
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def test_portable_build_uses_target_architecture(self):
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cases = (
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("x86_64-unknown-linux-gnu", "-march=x86-64-v3"),
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("aarch64-unknown-linux-gnu", "-march=armv8-a"),
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("powerpc64le-unknown-linux-gnu", "-mcpu=power8"),
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)
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for triplet, expected_flag in cases:
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with self.subTest(triplet=triplet):
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result = self._dry_run("portable", triplet)
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self.assertIn(expected_flag, result.stdout)
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def test_darwin_portable_build_does_not_force_x86_architecture(self):
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missing_libomp = "/colibri-test/missing-libomp"
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result = self._dry_run(
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"portable", "arm64-apple-darwin", OMPDIR=missing_libomp
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)
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self.assertIn("clang -O3", result.stdout)
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self.assertNotIn("-mcpu=x86-64-v3", result.stdout)
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self.assertNotIn(missing_libomp, result.stdout)
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self.assertNotIn("-fopenmp", result.stdout)
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if __name__ == "__main__":
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unittest.main()
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