* configure.in: abort if gettimeofday doesn't exist.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun May 12 17:03:27 2013  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* configure.in: abort if gettimeofday doesn't exist.
+
 Sun May 12 16:31:27 2013  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* configure.in: adds RUBY_REPLACE_TYPE(off_t) for creating

configure.in

@@ -1756,7 +1756,7 @@ AC_CHECK_FUNCS(getpriority)
 AC_CHECK_FUNCS(getpwnam_r)
 AC_CHECK_FUNCS(getrlimit)
 AC_CHECK_FUNCS(getsid)
-AC_CHECK_FUNCS(gettimeofday)
+AC_CHECK_FUNCS(gettimeofday)		# for making ac_cv_func_gettimeofday
 AC_CHECK_FUNCS(gmtime_r)
 AC_CHECK_FUNCS(initgroups)
 AC_CHECK_FUNCS(ioctl)
@@ -2174,6 +2174,10 @@ if test "$rb_cv_frptr" != "not found"; then
   fi
 fi
 
+if test x"$ac_cv_func_gettimeofday" != xyes; then
+    AC_MSG_ERROR(gettimeofday() must exist)
+fi
+
 RUBY_CHECK_SIZEOF([struct stat.st_ino], [long "long long"], [], [@%:@include <sys/stat.h>])
 
 AC_CACHE_CHECK([whether struct dirent.d_name is too small], rb_cv_sizeof_struct_dirent_too_small,