A speculative fix for some compilation problems as a result of commit

r5887. May need more tweaking...


git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@5890 c8812cc2-4d05-0410-92ff-de0c093fc19c

configure.in

@@ -100,6 +100,17 @@ dnl GDAL/OGR
 dnl ---------------------------------------------------------------------------
 AQ_CHECK_GDAL
 
+dnl ---------------------------------------------------------------------------
+dnl Whether to use isfinite or std::isfinite
+dnl ---------------------------------------------------------------------------
+have_stdisfinite=no
+AC_MSG_CHECKING([[<cmath> for std::isfinite]])
+AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[#include <cmath>]], [[ std::isfinite(0) ]]),
+        [[have_stdisfinite=yes]
+         AC_DEFINE(HAVE_STDISFINITE,1,[Define to 1 if std::isfinite is available])
+        ], [])
+AC_MSG_RESULT([[$have_stdisfinite]])
+
 dnl ---------------------------------------------------------------------------
 dnl GEOS
 dnl ---------------------------------------------------------------------------

src/providers/wms/qgswmsprovider.cpp

@@ -18,9 +18,13 @@
 
 /* $Id$ */
 
-#define _GLIBCPP_USE_C99 1
-#include <cmath>
-#undef _GLIBCPP_USE_C99
+#include "qgsconfig.h"
+
+#ifdef HAVE_STDISFINITE
+  #include <cmath>
+#else
+  #include <math.h>
+#endif
 
 #include "qgslogger.h"
 #include "qgswmsprovider.h"
@@ -33,8 +37,7 @@
 
 #include "qgshttptransaction.h"
 
-#include <q3url.h>
-#include <Q3Picture>
+#include <Q3Url>
 
 
 #ifdef QGISDEBUG
@@ -1951,12 +1954,12 @@ bool QgsWmsProvider::calculateExtent()
       }
 
     //make sure extent does not contain 'inf' or 'nan'
-#if __GNUC__ >= 4
-    if(!isfinite(extent.xMin()) || !isfinite((int)extent.yMin()) || !isfinite(extent.xMax()) || \
-       !isfinite((int)extent.yMax()))
-#else
+#ifdef HAVE_STDISFINITE
     if(!std::isfinite(extent.xMin()) || !std::isfinite((int)extent.yMin()) || !std::isfinite(extent.xMax()) || \
        !std::isfinite((int)extent.yMax()))
+#else
+    if(!isfinite(extent.xMin()) || !isfinite((int)extent.yMin()) || !isfinite(extent.xMax()) || \
+       !isfinite((int)extent.yMax()))
 #endif
       {
 	continue;