"Check Dependencies" warnings

[ghulammustafa]

warning: no rule to process file '$(PROJECT_DIR)/GMGridView.m' of type sourcecode.c.objc for architecture armv6
warning: no rule to process file '$(PROJECT_DIR)/GMGridViewCell.m' of type sourcecode.c.objc for architecture armv6
warning: no rule to process file '$(PROJECT_DIR)/GMGridViewLayoutStrategies.m' of type sourcecode.c.objc for architecture armv6
warning: no rule to process file '$(PROJECT_DIR)/UIGestureRecognizer+GMGridViewAdditions.m' of type sourcecode.c.objc for architecture armv6
warning: no rule to process file '$(PROJECT_DIR)/UIView+GMGridViewAdditions.m' of type sourcecode.c.objc for architecture armv6

Possible explanation:
"Xcode 4.5 has dropped support for armv6 as the warning says. The setting is showing because you had it in a previous version of your project. Just change your setting to compile for armv7 and armv7s (iPhone5)."