1// REQUIRES: shell 2// RUN: rm -rf %t 3// RUN: rm -rf %t-saved 4// RUN: mkdir %t-saved 5 6// Initial module build 7// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 8// RUN: -isysroot %S/Inputs/System -triple x86_64-apple-darwin10 -fsyntax-only %s -verify 9// RUN: cp %t/cstd.pcm %t-saved/cstd.pcm 10 11// Even with -Werror don't rebuild a system module 12// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 13// RUN: -isysroot %S/Inputs/System -triple x86_64-apple-darwin10 -fsyntax-only %s -verify -Werror 14// RUN: diff %t/cstd.pcm %t-saved/cstd.pcm 15 16// Unless -Wsystem-headers is on 17// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 18// RUN: -isysroot %S/Inputs/System -triple x86_64-apple-darwin10 -fsyntax-only %s -verify \ 19// RUN: -Werror=unused -Wsystem-headers 20// RUN: not diff %t/cstd.pcm %t-saved/cstd.pcm 21 22// expected-no-diagnostics 23@import cstd; 24