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Modernise use of AC_CHECK_TYPE

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Prior to autoconf 2.13, AC_CHECK_TYPE took two arguments, the type
to check and the a default type to use if that type wasn't defined.
This usage has been deprecated since 2.13, and the AC_CHECK_TYPE
macro itself now behaves differently. Whilst there is a compatibility
mode, the autoconf documentation discourages its use.

We also have an occurence of a slightly more modern AC_CHECK_TYPE,
where we explicitly #define a default value if one isn't provided.
The autoconf manual also discourages this form, however, in favour
of using AC_CHECK_TYPES, and placing suitable typedefs in an
external header file.

Modify our code so we do things in the recommended way.

Change-Id: Ie28067f2c90e9a3aa25cfde45ef081da2d380ee1
Reviewed-on: http://gerrit.openafs.org/1914
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
This commit is contained in:
Simon Wilkinson 2010-05-06 15:00:00 +01:00 committed by Derrick Brashear
parent 972a407282
commit 07098dc670
2 changed files with 10 additions and 4 deletions
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6
acinclude.m4
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@ -1274,10 +1274,8 @@ AC_CHECK_SIZEOF(unsigned long)
AC_CHECK_SIZEOF(unsigned int)
AC_TYPE_INTPTR_T
AC_TYPE_UINTPTR_T
AC_CHECK_TYPE(ssize_t, int)
AC_CHECK_TYPE([sig_atomic_t], ,
[AC_DEFINE([sig_atomic_t], [int],
[Define to int if <signal.h> does not define.])],
AC_CHECK_TYPES([ssize_t])
AC_CHECK_TYPES([sig_atomic_t],[],[],
[#include <sys/types.h>
#include <signal.h>])
AC_SIZEOF_TYPE(long)

8
src/config/stds.h
View File

@ -51,6 +51,14 @@ pragma Off(Prototype_override_warnings);
#define MIN_AFS_INT64 (-MAX_AFS_INT64 - 1)
#define MAX_AFS_UINT64 0xFFFFFFFFFFFFFFFFL
#ifndef HAVE_SSIZE_T
typedef int ssize_t;
#endif
#ifndef HAVE_SIG_ATOMIC_T
typedef int sig_atomic_t;
#endif
typedef short afs_int16;
typedef unsigned short afs_uint16;
#ifdef AFS_64BIT_ENV