Issue #24421: Compile _math.c separately to avoid race condition
diff --git a/setup.py b/setup.py
index da67731..930b64a 100644
--- a/setup.py
+++ b/setup.py
@@ -582,13 +582,17 @@
# array objects
exts.append( Extension('array', ['arraymodule.c']) )
+
+ shared_math = 'Modules/_math.o'
# complex math library functions
- exts.append( Extension('cmath', ['cmathmodule.c', '_math.c'],
- depends=['_math.h'],
+ exts.append( Extension('cmath', ['cmathmodule.c'],
+ extra_objects=[shared_math],
+ depends=['_math.h', shared_math],
libraries=math_libs) )
# math library functions, e.g. sin()
- exts.append( Extension('math', ['mathmodule.c', '_math.c'],
- depends=['_math.h'],
+ exts.append( Extension('math', ['mathmodule.c'],
+ extra_objects=[shared_math],
+ depends=['_math.h', shared_math],
libraries=math_libs) )
# time libraries: librt may be needed for clock_gettime()