Merge branch 'upstream' into dfsg-orig

[tar] / m4 / time_h.m4

diff --git a/m4/time_h.m4 b/m4/time_h.m4
index ba2e194608c072b6c0d947d9c6fc537606382626..a45a10a9eec587288f8d1398aeee7004e8fed565 100644 (file)
--- a/m4/time_h.m4
+++ b/m4/time_h.m4
@@ -2,6 +2,8 @@
 
 # Copyright (C) 2000-2001, 2003-2007, 2009-2010 Free Software Foundation, Inc.
 
+# serial 2
+
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -24,7 +26,7 @@ AC_DEFUN([gl_HEADER_TIME_H_BODY],
 ])
 
 dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared
-dnl in time.h or sys/time.h.
+dnl in time.h, sys/time.h, or pthread.h.
 
 AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC],
 [
@@ -41,6 +43,7 @@ AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC],
 
   TIME_H_DEFINES_STRUCT_TIMESPEC=0
   SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0
+  PTHREAD_H_DEFINES_STRUCT_TIMESPEC=0
   if test $gl_cv_sys_struct_timespec_in_time_h = yes; then
     TIME_H_DEFINES_STRUCT_TIMESPEC=1
   else
@@ -55,19 +58,33 @@ AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC],
          [gl_cv_sys_struct_timespec_in_sys_time_h=no])])
     if test $gl_cv_sys_struct_timespec_in_sys_time_h = yes; then
       SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1
+    else
+      AC_CACHE_CHECK([for struct timespec in <pthread.h>],
+        [gl_cv_sys_struct_timespec_in_pthread_h],
+        [AC_COMPILE_IFELSE(
+           [AC_LANG_PROGRAM(
+              [[#include <pthread.h>
+              ]],
+              [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
+           [gl_cv_sys_struct_timespec_in_pthread_h=yes],
+           [gl_cv_sys_struct_timespec_in_pthread_h=no])])
+      if test $gl_cv_sys_struct_timespec_in_pthread_h = yes; then
+        PTHREAD_H_DEFINES_STRUCT_TIMESPEC=1
+      fi
     fi
   fi
   AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC])
   AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC])
+  AC_SUBST([PTHREAD_H_DEFINES_STRUCT_TIMESPEC])
 ])
 
 AC_DEFUN([gl_TIME_MODULE_INDICATOR],
 [
   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
-  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
-  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
+  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
   dnl Define it also as a C macro, for the benefit of the unit tests.
-  gl_MODULE_INDICATOR([$1])
+  gl_MODULE_INDICATOR_FOR_TESTS([$1])
 ])
 
 AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS],
@@ -76,12 +93,17 @@ AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS],
   GNULIB_NANOSLEEP=0;                    AC_SUBST([GNULIB_NANOSLEEP])
   GNULIB_STRPTIME=0;                     AC_SUBST([GNULIB_STRPTIME])
   GNULIB_TIMEGM=0;                       AC_SUBST([GNULIB_TIMEGM])
+  GNULIB_TIME_R=0;                       AC_SUBST([GNULIB_TIME_R])
+  dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE_LOCALTIME_R=1;                    AC_SUBST([HAVE_LOCALTIME_R])
+  HAVE_NANOSLEEP=1;                      AC_SUBST([HAVE_NANOSLEEP])
+  HAVE_STRPTIME=1;                       AC_SUBST([HAVE_STRPTIME])
+  HAVE_TIMEGM=1;                         AC_SUBST([HAVE_TIMEGM])
   dnl If another module says to replace or to not replace, do that.
   dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK;
   dnl this lets maintainers check for portability.
   REPLACE_LOCALTIME_R=GNULIB_PORTCHECK;  AC_SUBST([REPLACE_LOCALTIME_R])
   REPLACE_MKTIME=GNULIB_PORTCHECK;       AC_SUBST([REPLACE_MKTIME])
   REPLACE_NANOSLEEP=GNULIB_PORTCHECK;    AC_SUBST([REPLACE_NANOSLEEP])
-  REPLACE_STRPTIME=GNULIB_PORTCHECK;     AC_SUBST([REPLACE_STRPTIME])
   REPLACE_TIMEGM=GNULIB_PORTCHECK;       AC_SUBST([REPLACE_TIMEGM])
 ])