Ned Deily added the comment:
Further testing shows that the problem is not limited to OS X 10.8 or clang: a
similar debug build attempt fails on OS X 10.6 with Apple gcc-4.2.
./configure --with-pydebug CC=gcc-4.2 MACOSX_DEPLOYMENT_TARGET=10.6
make
gcc-4.2 -Wl,-stack_size,1000000 -framework CoreFoundation -o python.exe
Modules/python.o libpython3.4dm.a -ldl -framework CoreFoundation
./python.exe -E -S -m sysconfig --generate-posix-vars
Debug memory block at address p=0x100515a40: API 'm'
232 bytes originally requested
The 7 pad bytes at p-7 are FORBIDDENBYTE, as expected.
The 8 pad bytes at tail=0x100515b28 are FORBIDDENBYTE, as expected.
The block was made by call #5440 to debug malloc/realloc.
Data at p: 2f 00 00 00 75 00 00 00 ... 6e 00 00 00 00 00 00 00
Fatal Python error: bad ID: Allocated using API 'm', verified using API 'r'
Current thread 0x00007fff70f4bcc0:
make: *** [pybuilddir.txt] Abort trap
----------
title: Debug Python build fails on OS X with current clang: Fatal Python
error: bad ID: Allocated using API 'm', verified using API 'r' -> Debug Python
build fails on OS X: Fatal Python error: bad ID: Allocated using API 'm',
verified using API 'r'
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue18398>
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