[PATCH] gcc-common: Improve fpu code checksum dependencies

[Richard Purdie <richard.purdie@linuxfoundation.org>]

We only care about the end result in this case, not the specific inputs
that went into determining the gcc option. This change updates the code
to reflect that.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
diff --git a/meta/recipes-devtools/gcc/gcc-common.inc b/meta/recipes-devtools/gcc/gcc-common.inc
index 062ccc7..4f691a0 100644
--- a/meta/recipes-devtools/gcc/gcc-common.inc
+++ b/meta/recipes-devtools/gcc/gcc-common.inc
@@ -16,6 +16,8 @@ def get_gcc_fpu_setting(bb, d):
         return "--enable-e500_double"
     return ""
 
+get_gcc_fpu_setting[vardepvalue] = "${@get_gcc_fpu_setting(bb, d)}"
+
 def get_gcc_mips_plt_setting(bb, d):
     if d.getVar('TRANSLATED_TARGET_ARCH', True) in [ 'mips', 'mipsel' ] and 'mplt' in d.getVar('DISTRO_FEATURES',1).split() :
         return "--with-mips-plt"