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(This used to be commit 5c6c8e1fe93f340005110a7833946191659d88ab)
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configure.in determines if -Werror-implicit-function-declaration is
available, and if so it enables that flag if --enable-developer is
specified. Since the configure tests themselves did not use that flag, it
was possible for a configure test to succeed, followed by a failed
compilation due to a facility being available but not having a proper
declaration in a header file. (This bit me with readahead().) This patch
ensures that if implicit function declarations will kill the build, the
feature being tested is deselected so the build will succeed.
The autoconf manual suggests using return instead of exit in configure
tests because the declaration for exit is often missing. We require this
now, since we error if prototypes are missing. See section 5.5.1 of
http://www.gnu.org/software/autoconf/manual/autoconf.html. This patch makes
these changes, because in fact, an external declaration for exit is missing
here (and likely elsewhere).
I've verified that the features selected (here) with the original
configure.in and the new one are the same except for, in my case,
readahead. I've also confirmed that the generated Makefile is identical.
These changes are not being applied to the 3.0.26 branch because it does not
exhibit the initial problem this patch is supposed to solve since it doesn't
attempt to use -Werror-implicit-function-declaration.
(This used to be commit 4d42720915b8f65842147171f689127e94d1b973)
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(This used to be commit b6645402b12cf8eaa7d9edf7dba3fae1f5ec0356)
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(This used to be commit 6b1ced1674217343ab4e5f966608a21c66bf650c)
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(This used to be commit 4d3d7a0d673b80f1de411a5fb5a23ae06cf80f43)
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(This used to be commit ed151605e57b7db3457cdf0c87f71c86e84c8f5b)
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(This used to be commit db5d38736d0d91acb55f4e4a67f33a2c0b5fdca3)
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(This used to be commit 453a822a76780063dff23526c35408866d0c0154)
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(as it is everywhere else).
smbwrapper/smbsh.c: For IRIX n32 binaries, set _RLDN32_LIST not _RLD32_LIST.
Exec users preferred shell is SHELL environment variable is set.
tests/fcntl_lock.c: Added sys/types.h for systems that need this.
Jeremy.
(This used to be commit 50413d0d819d4f13e760ca8439c5bdde0898d63e)
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(This used to be commit 3bda7ac417107a7b01d91805ca71c4330657ed21)
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