Update of bug #18872 (project freeciv):
Summary: Freeciv does not compile with clang => Freeciv
gives warnings with clang toolchain
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Follow-up Comment #5:
Re the md5.c warning: I suspect it's running into this bit of code (which is
from Solar Designer's original):
/*
* SET reads 4 input bytes in little-endian byte order and stores them
* in a properly aligned word in host byte order.
*
* The check for little-endian architectures that tolerate unaligned
* memory accesses is just an optimization. Nothing will break if it
* doesn't work.
*/
#if defined(__i386__) || defined(__x86_64__) || defined(__vax__)
#define SET(n)
(*(MD5_u32plus *)&ptr[(n) * 4])
/* ... */
#else
/* ...do it properly... */
#endif
Presumably one of those symbols is defined on doctorjlowe's setup. Does the
warning go away if you change this to "#if 0"?
If so, we could avoid the warning by adding some sort of clang detection in
that #if. (Alternatively, by turning off -Wcast-align for clang, but that's
likely to be fiddlier and may hide issues we're interested in.)
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