Always generate floats for stat_result; fix configure test.

Doc/lib/libos.tex

@@ -826,6 +826,10 @@ the \ctype{stat} structure, namely:
 \member{st_ctime}
 (time of most recent content modification or metadata change).
 
+\versionchanged [The time values are floats, measuring
+  seconds. Fractions of a second may be reported if the system
+  supports that]{2.3}
+
 On some Unix systems (such as Linux), the following attributes may
 also be available:
 \member{st_blocks} (number of blocks allocated for file),
@@ -856,12 +860,7 @@ order
 \member{st_atime},
 \member{st_mtime},
 \member{st_ctime}.
-More items may be added at the end by some implementations.  Note that
-on the Mac OS, the time values are floating point values, like all
-time values on the Mac OS.
-\versionchanged
-[On other systems, the values are floats if the system reports
- fractions of a second]{2.3}
+More items may be added at the end by some implementations. 
 The standard module \refmodule{stat}\refstmodindex{stat} defines
 functions and constants that are useful for extracting information
 from a \ctype{stat} structure.

Misc/NEWS

@@ -274,8 +274,7 @@ Core and builtins
 
 Extension modules
 
-- The time stamps in os.stat_result are floating point numbers now if
-  the system supports that.
+- The time stamps in os.stat_result are floating point numbers now.
 
 - If the size passed to mmap.mmap() is larger than the length of the
   file on non-Windows platforms, a ValueError is raised. [SF bug 585792]

Modules/posixmodule.c

@@ -616,15 +616,7 @@ static void
 fill_time(PyObject *v, int index, time_t sec, unsigned long nsec)
 {
 	PyObject *val;
-	if (nsec) {
         val = PyFloat_FromDouble(sec + 1e-9*nsec);
-	} else {
-#if SIZEOF_TIME_T > SIZEOF_LONG
-		val = PyLong_FromLongLong((LONG_LONG)sec);
-#else
-		val = PyInt_FromLong((long)sec);
-#endif
-	}
 	PyStructSequence_SET_ITEM(v, index, val);
 }
 

configure

 #! /bin/sh
-# From configure.in Revision: 1.341 .
+# From configure.in Revision: 1.342 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53.
 #
@@ -15738,7 +15738,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_stat_tv_nsec = yes
+  ac_cv_stat_tv_nsec=yes
 else
   echo "$as_me: failed program was:" >&5
 cat conftest.$ac_ext >&5

configure.in

@@ -2247,7 +2247,7 @@ AC_TRY_COMPILE([#include <sys/stat.h>], [
 struct stat st;
 st.st_mtim.tv_nsec = 1;
 ],
-ac_cv_stat_tv_nsec = yes,
+ac_cv_stat_tv_nsec=yes,
 ac_cv_stat_tv_nsec=no,
 ac_cv_stat_tv_nsec=no))
 AC_MSG_RESULT($ac_cv_stat_tv_nsec)