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https://bugzilla.redhat.com/show_bug.cgi?id=502387





--- Comment #4 from Erik van Pienbroek <erik-fed...@vanpienbroek.nl>  
2009-05-26 07:24:45 EDT ---
On the fedora-mingw mailing list Fridrich Strba clarified the AC_FUNC_MALLOC
behaviour:

Easy!

The AC_FUNC_MALLOC and AC_FUNC_REALLOC try to execute a program to see
whether malloc(0) will return a NULL pointer. If that is not the case,
it will use the rpl_malloc. Since cross-compiling, binaries cannot be
executed and the test fails even though the malloc and realloc are in MS
C runtime. Those malloc and realloc functions are compliant in the sense
of AC_FUNC_MALLOC and AC_FUNC_REALLOC test, so patching them out is safe
when cross-compiling for win32.

Cheers

Fridrich

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