1*67e74705SXin Li// RUN: rm -rf %t 2*67e74705SXin Li// RUN: rm -rf %t-saved 3*67e74705SXin Li// RUN: mkdir %t-saved 4*67e74705SXin Li 5*67e74705SXin Li// Initial module build 6*67e74705SXin Li// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -fdisable-module-hash \ 7*67e74705SXin Li// RUN: -isystem %S/Inputs/System/usr/include -fsyntax-only %s -verify 8*67e74705SXin Li// RUN: cp %t/cstd.pcm %t-saved/cstd.pcm 9*67e74705SXin Li 10*67e74705SXin Li// Even with -Werror don't rebuild a system module 11*67e74705SXin Li// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -fdisable-module-hash \ 12*67e74705SXin Li// RUN: -isystem %S/Inputs/System/usr/include -fsyntax-only %s -verify -Werror 13*67e74705SXin Li// RUN: diff %t/cstd.pcm %t-saved/cstd.pcm 14*67e74705SXin Li 15*67e74705SXin Li// Unless -Wsystem-headers is on 16*67e74705SXin Li// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -fdisable-module-hash \ 17*67e74705SXin Li// RUN: -isystem %S/Inputs/System/usr/include -fsyntax-only %s -verify \ 18*67e74705SXin Li// RUN: -Werror=unused -Wsystem-headers 19*67e74705SXin Li// RUN: not diff %t/cstd.pcm %t-saved/cstd.pcm 20*67e74705SXin Li 21*67e74705SXin Li// expected-no-diagnostics 22*67e74705SXin Li@import cstd; 23