tzset: Avoid guessing wrong when cross-compiling to glibc systems.

[gnulib.git] / m4 / gettimeofday.m4

diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4
index 2e65eb5..eda9702 100644 (file)
--- a/m4/gettimeofday.m4
+++ b/m4/gettimeofday.m4
@@ -1,4 +1,4 @@
-# serial 19
+# serial 20
 
 # Copyright (C) 2001-2003, 2005, 2007, 2009-2012 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
@@ -56,14 +56,16 @@ int gettimeofday (struct timeval *restrict, struct timezone *restrict);
     fi
     m4_ifdef([gl_FUNC_TZSET_CLOBBER], [
       gl_FUNC_TZSET_CLOBBER
-      if test $gl_cv_func_tzset_clobber = yes; then
-        REPLACE_GETTIMEOFDAY=1
-        gl_GETTIMEOFDAY_REPLACE_LOCALTIME
-        AC_DEFINE([tzset], [rpl_tzset],
-          [Define to rpl_tzset if the wrapper function should be used.])
-        AC_DEFINE([TZSET_CLOBBERS_LOCALTIME], [1],
-          [Define if tzset clobbers localtime's static buffer.])
-      fi
+      case "$gl_cv_func_tzset_clobber" in
+        *yes)
+          REPLACE_GETTIMEOFDAY=1
+          gl_GETTIMEOFDAY_REPLACE_LOCALTIME
+          AC_DEFINE([tzset], [rpl_tzset],
+            [Define to rpl_tzset if the wrapper function should be used.])
+          AC_DEFINE([TZSET_CLOBBERS_LOCALTIME], [1],
+            [Define if tzset clobbers localtime's static buffer.])
+          ;;
+      esac
     ])
   fi
   AC_DEFINE_UNQUOTED([GETTIMEOFDAY_TIMEZONE], [$gl_gettimeofday_timezone],