error： No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i386).
解决方法： set the "Build Active Architecture Only" and "Archs" values from command line itself. We set ARCHS="armv7 armv7s" ONLY_ACTIVE_ARCH=NO.
http://stackoverflow.com/questions/12889065/no-architectures-to-compile-for-only-active-arch-yes-active-arch-x86-64-valid
error： No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i386).
原文：http://www.cnblogs.com/someone617-blog/p/3995609.html