Dear maintainer,
I recently compiled lftp for an ARM architecture.
At first, the cross-compilation didn't work, because of the m4 macro
LFTP_POSIX_FALLOCATE_CHECK.
More precisely, the AC_TRY_RUN part, which doesn't have the fourth argument
action-if-cross-compiling.
When cross-compiling, we can't run code, but we can at least compile it. This
is especially important for uClibc.
The current 0.9.33.2 version doesn't provide posix_fallocate. But, if I build
in the latest version of buildroot,
the uClibc is patched to add support for posix_fallocate.
So, the situation is a little bit tricky, we can't know for sure if
posix_fallocate is available until we compile it.
To solve this situation as smoothly as possible, I propose to add a test in
case of cross-compilation:
the test simply tries a compilation, and if it's OK, we assume posix_fallocate
works.
The patch comes in the next mail (if I manage to use git send-email correctly).
Feel free to tell me what you think about it.
Best regards,
Arnaud
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