diff --git a/simspark-0.2.2-gcc4.7fix.patch b/simspark-0.2.2-gcc4.7fix.patch
new file mode 100644
index 0000000..8e895e8
--- /dev/null
+++ b/simspark-0.2.2-gcc4.7fix.patch
@@ -0,0 +1,12 @@
+diff -up simspark-0.2.2/lib/salt/gmath.h.gcc4.7fix simspark-0.2.2/lib/salt/gmath.h
+--- simspark-0.2.2/lib/salt/gmath.h.gcc4.7fix	2012-02-16 15:18:02.720627323 +0330
++++ simspark-0.2.2/lib/salt/gmath.h	2012-02-16 15:18:24.423908724 +0330
+@@ -226,7 +226,7 @@ f_inline bool gIsFinite(TYPE f)
+     assert(std::numeric_limits<TYPE>::has_infinity);
+     return (std::numeric_limits<double>::infinity() != f);
+ #else
+-    return isfinite(f);
++    return std::isfinite(f);
+ #endif
+ }
+ 
diff --git a/simspark.spec b/simspark.spec
index e9b39a6..9b5a0ce 100644
--- a/simspark.spec
+++ b/simspark.spec
@@ -1,6 +1,6 @@
 Name:           simspark
 Version:        0.2.2
-Release:        7%{?dist}
+Release:        8%{?dist}
 Summary:        Spark physical simulation system
 
 Group:          Development/Libraries
@@ -11,6 +11,7 @@ Patch0:         %{name}-confscript-mlibfix.patch
 # Applied upstream
 Patch1:         %{name}-odefix.patch
 Patch2:         %{name}-0.2.2-logviewerfix.patch
+Patch3:         %{name}-0.2.2-gcc4.7fix.patch
 
 BuildRequires:  cmake boost-devel ruby ruby-devel SDL-devel tex(latex)
 BuildRequires:  ode-devel libGL-devel DevIL-devel freetype-devel libGLU-devel
@@ -40,6 +41,7 @@ developing applications that use %{name}.
 %patch0 -p1 -b .mlibfix
 %patch1 -p1 -b .odefix
 %patch2 -p1 -b .logviewerfix
+%patch3 -p1 -b .gcc4.7fix
 
 %build
 mkdir build
@@ -81,6 +83,9 @@ rm -rf %{buildroot}/%{_datadir}/doc
 %doc doc/devel/howtos doc/devel/manual.pdf
 
 %changelog
+* Thu Feb 16 2012 Hedayat Vatankhah <hedayat.fwd+rpmchlog@gmail.com> - 0.2.2-8
+- fix compilation under gcc 4.7
+
 * Wed Feb 08 2012 Bohuslav Kabrda <bkabrda@redhat.com> - 0.2.2-7
 - Rebuilt for Ruby 1.9.3.