From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Sat, 13 Feb 2010 11:30:17 +0000 (+0000)
Subject: make sure we only use _NL_TIME_WEEK_1STDAY if we actually have it ... thanks kevin... 
X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=commitdiff_plain;h=9bd31998dca452615148d9e618118aee2a0d2dff

make sure we only use _NL_TIME_WEEK_1STDAY if we actually have it ... thanks kevin for the report


git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@2020 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/configure.ac b/configure.ac
index 07231b7..d18fe9e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -345,6 +345,12 @@ CONFIGURE_PART(Resolve Portability Issues)
 
 CHECK_FOR_WORKING_MS_ASYNC
 
+dnl do we have nl_langinfo(_NL_TIME_WEEK_1STDAY)
+AC_CHECK_FUNCS(_NL_TIME_WEEK_1STDAY, ,
+  [AC_MSG_CHECKING([for nl_langinfo(_NL_TIME_WEEK_1STDAY) with langinfo.h])
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]], [[nl_langinfo(_NL_TIME_WEEK_1STDAY)]])],[AC_MSG_RESULT(yes)
+      AC_DEFINE(HAVE__NL_TIME_WEEK_1STDAY)],[AC_MSG_RESULT(no)])])
+
 dnl Do we need getopt_long
 
 dnl even when including our own getopt implementation
diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index 390a66e..9e23a4a 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -1359,11 +1359,10 @@ int data_proc(
     return 0;
 }
 
-
 static int find_first_weekday(void){
     static int first_weekday = -1;
     if (first_weekday == -1){
-#if defined(HAVE_NL_LANGINFO)
+#ifdef HAVE__NL_TIME_WEEK_1STDAY
         /* according to http://sourceware.org/ml/libc-locales/2009-q1/msg00011.html */
         long week_1stday_l = (long) nl_langinfo (_NL_TIME_WEEK_1STDAY);
         if (week_1stday_l == 19971130) first_weekday = 0; /* Sun */