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Implementation of `AC_COMPUTE_INT'
From: |
Ludovic Courtès |
Subject: |
Implementation of `AC_COMPUTE_INT' |
Date: |
Tue, 18 Mar 2008 21:36:58 +0100 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux) |
Hi,
I've seen people reporting `configure' failures due to
"cannot compile sizeof (char)". Investigating the issue, it turned out
to be that, in a native compilation environment, the executable produced
by `AC_COMPUTE_INT' could not be run because some library specified in
`$LIBS' was not in `$LD_LIBRARY_PATH'.
Hence my question: why not always use `AC_COMPUTE_INT_COMPILE' instead
of `AC_COMPUTE_INT_RUN'? I realize the former might be slower in some
cases, because of the binary search, but maybe not that slower with
small integers as is the case with `AC_CHECK_SIZEOF', and probably more
reliable. (And it uses a very smart trick, BTW!)
Thanks,
Ludovic.
- Implementation of `AC_COMPUTE_INT',
Ludovic Courtès <=