aclocal.m4: New file.

        * libU77/aclocal.m4: New file.
        * libU77/configure.in (LIBU77_HAVE_STRUCT_TIMEZONE): Add test.
        * libU77/acconfig.h (HAVE_STRUCT_TIMEZONE): Add macro.
        * libU77/datetime_c.c (G77_date_and_time_0): Use.
        * libU77/config.hin: Regenerate.
        * libU77/configure: Likewise.

From-SVN: r26353

libf2c/ChangeLog

+Sun Apr 11 23:30:42 1999  Mumit Khan  <khan@xraylith.wisc.edu>
+
+	* libU77/aclocal.m4: New file.
+	* libU77/configure.in (LIBU77_HAVE_STRUCT_TIMEZONE): Add test.
+	* libU77/acconfig.h (HAVE_STRUCT_TIMEZONE): Add macro.
+	* libU77/datetime_c.c (G77_date_and_time_0): Use.
+	* libU77/config.hin: Regenerate.
+	* libU77/configure: Likewise.
+
 Wed Mar 31 13:50:24 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* configure.in (extra_includes): Don't attempt to calculate the

libf2c/libU77/acconfig.h

 /* Define as the path of the `chmod' program. */
 #undef CHMOD_PATH
+
+/* Define if your sys/time.h defines struct timezone. */
+#undef HAVE_STRUCT_TIMEZONE
+

libf2c/libU77/config.hin

@@ -33,6 +33,9 @@
 /* Define as the path of the `chmod' program. */
 #undef CHMOD_PATH
 
+/* Define if your sys/time.h defines struct timezone. */
+#undef HAVE_STRUCT_TIMEZONE
+
 /* Define if you have the alarm function.  */
 #undef HAVE_ALARM
 

libf2c/libU77/configure

@@ -1510,6 +1510,41 @@ test $ac_cv_func_gethostname = yes && MAYBES="$MAYBES hostnm_.o"
 test $ac_cv_func_clock = yes && MAYBES="$MAYBES mclock_.o"
 
 
+echo $ac_n "checking whether struct timezone exists""... $ac_c" 1>&6
+echo "configure:1515: checking whether struct timezone exists" >&5
+if eval "test \"`echo '$''{'libu77_cv_have_struct_timezone'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1520 "configure"
+#include "confdefs.h"
+#include <sys/time.h>
+int main() {
+struct timezone tz;
+; return 0; }
+EOF
+if { (eval echo configure:1527: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  libu77_ac_have_struct_timezone=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  libu77_ac_have_struct_timezone=no
+fi
+rm -f conftest*
+fi
+
+if test $libu77_ac_have_struct_timezone = yes; then
+  echo "$ac_t""yes" 1>&6
+  cat >> confdefs.h <<EOF
+#define HAVE_STRUCT_TIMEZONE 1
+EOF
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
 
 
 

libf2c/libU77/configure.in

@@ -94,6 +94,7 @@ test $ac_cv_func_gethostname = yes && MAYBES="$MAYBES hostnm_.o"
 test $ac_cv_func_clock = yes && MAYBES="$MAYBES mclock_.o"
 AC_SUBST(MAYBES)
 
+LIBU77_HAVE_STRUCT_TIMEZONE
 
 AC_SUBST(CROSS)
 AC_SUBST(RANLIB)

libf2c/libU77/datetime_.c

-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
 This file is part of GNU Fortran libU77 library.
 
 This library is free software; you can redistribute it and/or modify it
@@ -62,8 +62,16 @@ int G77_date_and_time_0 (char *date, char *fftime, char *zone,
 #if HAVE_GETTIMEOFDAY
   {
     struct timeval tp;
+#if HAVE_STRUCT_TIMEZONE
     struct timezone tzp;
+    /* This is still not strictly correct on some systems such as HPUX, 
+       which does have struct timezone, but gettimeofday takes void* as 
+       the 2nd arg.  However, the effect of passing anything other than a null 
+       pointer is unspecified on HPUX. */
     if (! gettimeofday (&tp, &tzp))
+#else
+    if (! gettimeofday (&tp, (void *) 0))
+#endif
       vals[7] = tp.tv_usec/1000;
   }
 #endif