From 993a29a39064e3afe070eb08e99ee50caea66242 Mon Sep 17 00:00:00 2001
From: Jan Schmidt <jan.schmidt@sun.com>
Date: Fri, 9 Oct 2009 00:14:07 +0100
Subject: [PATCH] check: Make the level unit test succeed on Solaris 10

Add a configure check for functional isinf() and fpclass(), and
use fpclass() where possible when isinf() is not available.
---
 configure.ac                 | 10 +++++++++-
 tests/check/elements/level.c |  6 +++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index e764914093..31378756b0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -175,9 +175,17 @@ dnl *** checks for library functions ***
 
 LIBS_SAVE=$LIBS
 LIBS="$LIBS $LIBM"
-AC_CHECK_FUNCS(rint sinh cosh asinh)
+AC_CHECK_FUNCS(rint sinh cosh asinh fpclass)
 LIBS=$LIBS_SAVE
 
+dnl Check whether isinf() is defined by math.h
+AC_CACHE_CHECK([for isinf], ac_cv_have_isinf,
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; int i=isinf(f)]])],[ac_cv_have_isinf="yes"],[ac_cv_have_isinf="no"]))
+if test "$ac_cv_have_isinf" = "yes"
+then
+    AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have the `isinf' function.])
+fi
+
 dnl Check for mmap (needed by electricfence plugin)
 AC_FUNC_MMAP
 AM_CONDITIONAL(GST_HAVE_MMAP, test "x$ac_cv_func_mmap_fixed_mapped" == "xyes")
diff --git a/tests/check/elements/level.c b/tests/check/elements/level.c
index 558a1c6016..e37c0225db 100644
--- a/tests/check/elements/level.c
+++ b/tests/check/elements/level.c
@@ -256,7 +256,11 @@ GST_START_TEST (test_int16_panned)
     value = gst_value_list_get_value (list, 0);
     dB = g_value_get_double (value);
     GST_DEBUG ("%s[0] is %lf", fields[j], dB);
-    fail_if (!isinf (dB));
+#ifdef HAVE_ISINF
+    fail_unless (isinf (dB));
+#elif HAVE_FPCLASS
+    fail_unless (fpclass (dB) == FP_NINF);
+#endif
   }
   /* block wave of half amplitude has -5.94 dB for rms, peak and decay */
   for (j = 0; j < 3; ++j) {