X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.ac;h=d40d930dbe0a408181ff6043c8dcde7f92d1e80f;hb=8e0f0172c60d3f207cc4dd61f996347fa2a63b09;hp=03c920f7f328c9021018ce7473907384c1976c83;hpb=c44fb9ef30bd171074c3221a8f3f55179c6c59d3;p=rrdtool.git

diff --git a/configure.ac b/configure.ac
index 03c920f..d40d930 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,13 +8,13 @@ dnl Inspiration from http://autoconf-archive.cryp.to
 dnl tell automake the this script is for rrdtool
 dnl the official version number is
 dnl a.b.c
-AC_INIT([rrdtool],[1.2.10])
+AC_INIT([rrdtool],[1.2.11])
 dnl for testing a numberical version number comes handy
 dnl the released version are
 dnl a.bccc
 dnl the devl versions will be something like
 dnl a.b999yymmddhh 
-NUMVERS=1.2010
+NUMVERS=1.2011
 AC_SUBST(NUMVERS)
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE
@@ -205,16 +205,19 @@ dnl HP-UX 11.00 does not have finite but does have isfinite as a macro so we nee
 dnl actual code to check if this works
 AC_CHECK_FUNCS(fpclassify, ,
   [AC_MSG_CHECKING(for fpclassify with <math.h>)
-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; fpclassify(f)]])],[AC_MSG_RESULT(yes)
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>
+volatile int x;volatile float f; ]], [[x = fpclassify(f)]])],[AC_MSG_RESULT(yes)
       AC_DEFINE(HAVE_FPCLASSIFY)],[AC_MSG_RESULT(no)])])
 AC_CHECK_FUNCS(finite, ,
   [AC_CHECK_FUNCS(isfinite, ,
     [AC_MSG_CHECKING(for isfinite with <math.h>)
-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isfinite(f)]])],[AC_MSG_RESULT(yes)
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>
+volatile int x;volatile float f;  ]], [[x = isfinite(f)]])],[AC_MSG_RESULT(yes)
       AC_DEFINE(HAVE_ISFINITE)],[AC_MSG_RESULT(no)])])])
 AC_CHECK_FUNCS(isinf, ,
   [AC_MSG_CHECKING(for isinf with <math.h>)
-    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isinf(f)]])],[AC_MSG_RESULT(yes)
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>
+volatile int x;volatile float f;  ]], [[x = isinf(f)]])],[AC_MSG_RESULT(yes)
       AC_DEFINE(HAVE_ISINF)],[AC_MSG_RESULT(no)])])
 
 AC_FULL_IEEE