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Re: sys/mount.h autoconf error on NetBSD/i386 1.6
From: |
Akim Demaille |
Subject: |
Re: sys/mount.h autoconf error on NetBSD/i386 1.6 |
Date: |
Wed, 26 Feb 2003 11:26:01 +0100 |
User-agent: |
Gnus/5.090015 (Oort Gnus v0.15) Emacs/21.2 |
Please, report this to the package maintainers, as it's a configure.ac
problem. The Autoconf 2.57 doc says:
Previous versions of Autoconf merely checked whether the header was
accepted by the preprocessor. This was changed because the old test was
inappropriate for typical uses. Headers are typically used to compile,
not merely to preprocess, and the old behavior sometimes accepted
headers that clashed at compile-time. If you need to check whether a
header is preprocessable, you can use `AC_PREPROC_IFELSE' (*note
Running the Preprocessor::).
This scheme, which improves the robustness of the test, also requires
that you make sure that headers that must be included before the
HEADER-FILE be part of the INCLUDES, (*note Default Includes::). If
looking for `bar.h', which requires that `foo.h' be included before if
it exists, we suggest the following scheme:
AC_CHECK_HEADERS([foo.h])
AC_CHECK_HEADERS([bar.h], [], [],
[#if HAVE_FOO_H
# include <foo.h>
# endif
])
Thanks!
| Hi
| I received the following error when running configure from today's CVS
| of GNUstep/core:
|
| checking sys/mount.h usability... no
| checking sys/mount.h presence... yes
| configure: WARNING: sys/mount.h: present but cannot be compiled
| configure: WARNING: sys/mount.h: check for missing prerequisite headers?
| configure: WARNING: sys/mount.h: proceeding with the preprocessor's result
| configure: WARNING: ## ------------------------------------ ##
| configure: WARNING: ## Report this to address@hidden ##
| configure: WARNING: ## ------------------------------------ ##
|
| This warning may have been occurring for some time.
|
| I am attaching sys/mount.h to this message.
|
| Please contact me via email if you require further information.
|
| Regards
|
| Peter Cooper
|
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