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Add conda based non-static bdw-gc support during compiler initialization #695

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Add conda based non-static bdw-gc support during compiler initialization #695

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17 changes: 14 additions & 3 deletions spy/build/config.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import os
import shutil
import subprocess
import sys
Expand Down Expand Up @@ -126,9 +127,19 @@ def __init__(self, config: BuildConfig):
self.ldflags += ["-L", f"{gc_prefix}/lib", "-lgc"]
else:
self.ldflags += ["-lgc"]
# On macOS, Homebrew installs bdw-gc outside the default
# compiler search paths
if sys.platform == "darwin" and shutil.which("brew"):
conda_prefix = os.environ.get("CONDA_PREFIX")
if conda_prefix and os.path.exists(
os.path.join(conda_prefix, "include", "gc.h")
):
# bdw-gc installed in a conda environment
self.cflags += ["-I", f"{conda_prefix}/include"]
self.ldflags += ["-L", f"{conda_prefix}/lib"]
# conda-forge libgc has an @rpath install name: without an
# rpath entry the executable won't find it at runtime
self.ldflags += [f"-Wl,-rpath,{conda_prefix}/lib"]
elif sys.platform == "darwin" and shutil.which("brew"):
# On macOS, Homebrew installs bdw-gc outside the default
# compiler search paths
prefix = subprocess.run(
["brew", "--prefix", "bdw-gc"],
capture_output=True,
Expand Down
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