On Wed, Jul 20, 2011 at 5:30 PM, Mike Frysinger <[email protected]> wrote:
> On Wed, Jul 20, 2011 at 17:18, Jie Zhang wrote:
>> On Tue, Jul 19, 2011 at 2:16 PM, Mike Frysinger wrote:
>>> AC_CHECK_MEMBER([struct timespec.tv_sec])
>>> AF_IF([test "x$ac_cv_member_struct_timespec_tv_sec" = "xyes"],[
>>> AC_DEFINE([HAVE_STRUCT_TIMESPEC], [1], [We have struct timespec])
>>> ])
>>
>> AC_CHECK_TYPE is better. How would you like the attached new version
>> of the patch?
>
> that is a better macro. i was thinking it didnt work for structs, but
> clearly that's not true.
>
> move the code down in configure.ac to where the other existing
> AC_CHECK_TYPE is (for wchar_t), line wrap it the same way as that
> check, and it should be good to go.
>
I thought it would be better to make checking of nanosleep and struct
timespec closer. But I have not strong preference for it. Attached is
the patch I have committed.
Thank you!
Jie
* sysdep.h (struct timespec): Only define when !HAVE_STRUCT_TIMESPEC.
* configure.ac: Check struct timespec.
Index: sysdep.h
===================================================================
--- sysdep.h (revision 1971)
+++ sysdep.h (working copy)
@@ -75,7 +75,9 @@
#ifndef HAVE_NANOSLEEP
#include <unistd.h>
+#ifndef HAVE_STRUCT_TIMESPEC
struct timespec { unsigned long tv_sec, tv_nsec; };
+#endif
#define nanosleep(req, rem) usleep((req)->tv_sec * 1000 * 1000 + (req)->tv_nsec / 1000)
#endif
Index: configure.ac
===================================================================
--- configure.ac (revision 1971)
+++ configure.ac (working copy)
@@ -158,6 +158,10 @@
[AC_DEFINE([wchar_t], [char], [Make sure we have wchar_t])],
[#include <stddef.h>])
+AC_CHECK_TYPE([struct timespec],
+ [AC_DEFINE(HAVE_STRUCT_TIMESPEC, 1, [Define to 1 if you have the struct timespec type])],
+ [], [[#include <time.h>]])
+
dnl See if the windows target is polluting the namespace on us which
dnl will break some of the lex/yacc (e.g. bsdl) builds. We need both
dnl defines as some versions of mingw have changed names over time.
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