libjava configuration problems

Wed Jan 24 08:20:00 GMT 2001

I'm trying to get libjava working on an arm-netbsd target and have run 
into the following problem whilst building libjava.
Autoconf has a test for a variable called timezone, which it tests with 
 AC_TRY_COMPILE([#include <time.h>], [long z2 = timezone;],
 [AC_DEFINE(HAVE_TIMEZONE)
 AC_MSG_RESULT(yes)],
 [AC_MSG_RESULT(no)])])
Unfortunately this test passes on NetBSD when it should fail. timezone 
exists, but is a function not a variable. When g++ comes to compile 
java/lang/natSystem.cc we then get a build failure
/home/rearnsha/gnusrc/egcs/libjava/java/lang/natSystem.cc: In static 
member
 function `static java::lang::String* 
 java::lang::System::getSystemTimeZone()':
/home/rearnsha/gnusrc/egcs/libjava/java/lang/natSystem.cc:251: cannot 
convert
 `char*()(int, int)' to `long int' in assignment
Any ideas how to fix the test for this?
$ man timezone
NAME
 timezone - return the timezone abbreviation
LIBRARY
 Standard C Library (libc, -lc)
SYNOPSIS
 char *
 timezone(int zone, int dst);
DESCRIPTION
 This interface is available for compatibility; it is impossible to 
reli-
 ably map timezone's arguments to a time zone abbreviation. See 
ctime(3).
 The timezone() function returns a pointer to a time zone abbreviation 
for
 the specified zone and dst values. Zone is the number of minutes 
west of
 GMT and dst is non-zero if daylight savings time is in effect.
SEE ALSO
 ctime(3)
HISTORY
 A timezone() function appeared in Version 7 AT&T UNIX.
R.