move altzone test to base package

aclocal.m4

@@ -75,27 +75,6 @@ AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
 ])# FP_PROG_CONTEXT_DIFF
 
 
-# FP_DECL_ALTZONE
-# ---------------
-# Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise.
-#
-# Used by base package.
-AC_DEFUN([FP_DECL_ALTZONE],
-[AC_REQUIRE([AC_HEADER_TIME])dnl
-AC_CHECK_HEADERS([sys/time.h])
-AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-#  include <sys/time.h>
-# else
-#  include <time.h>
-# endif
-#endif])
-])# FP_DECL_ALTZONE
-
-
 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
 # --------------------------------------------------------
 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for

configure.ac

@@ -962,12 +962,6 @@ AC_SUBST(GhcLibsWithReadline)
 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 AC_HEADER_TIME
 
-dnl ** how do we get a timezone name, and UTC offset ?
-AC_STRUCT_TIMEZONE
-
-dnl ** do we have altzone?
-FP_DECL_ALTZONE
-
 dnl ** do we have long longs?
 AC_CHECK_TYPES([long long])