Define HUGE_VAL in <math.h> conditionally. That's what gcc's fixincludes

hack math_huge_val_ifndef does, anyway. We do it ourselves and remove
the therefore superfluous gcc math.h header.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24412 a95241bf-73f2-0310-859d-f6bbb57e9c96

build/scripts/build_cross_tools

@@ -121,6 +121,11 @@ make install-gcc-cross || {
 	exit 1
 }
 
+# Remove the math.h gcc header. It has been generated by fixincludes
+# (unconditional hack: math_huge_val_ifndef) from ours and it is semantically
+# equivalent.
+rm $installDir/lib/gcc-lib/i586-pc-beos/$haikuRequiredLegacyGCCVersion/include/math.h
+
 
 # cleanup