1// RUN: rm -rf %t/ModuleCache 2// RUN: mkdir -p %t/Inputs/usr/include 3// RUN: touch %t/Inputs/usr/include/foo.h 4// RUN: echo 'module Foo [system] { header "foo.h" }' > %t/Inputs/usr/include/module.map 5 6//// 7// Build a module using a system header 8// RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModuleCache -fdisable-module-hash -x objective-c-header -fsyntax-only %s 9// RUN: cp %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved 10 11//// 12// Modify the system header, and confirm that we don't notice without -fmodules-validate-system-headers. 13// The pcm file in the cache should fail to validate. 14// RUN: echo ' ' >> %t/Inputs/usr/include/foo.h 15// RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModuleCache -fdisable-module-hash -x objective-c-header -fsyntax-only %s 16// RUN: diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved 17 18//// 19// Now make sure we rebuild the module when -fmodules-validate-system-headers is set. 20// RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -fimplicit-module-maps -fmodules-validate-system-headers -fmodules-cache-path=%t/ModuleCache -fdisable-module-hash -x objective-c-header -fsyntax-only %s 21// RUN: not diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved 22 23 24//// 25// This should override -fmodules-validate-once-per-build-session 26// RUN: cp %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved 27// RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModuleCache -fdisable-module-hash -x objective-c-header -fsyntax-only %s -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session 28// RUN: diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved 29 30// Modify the system header... 31// RUN: echo ' ' >> %t/Inputs/usr/include/foo.h 32 33// Don't recompile due to -fmodules-validate-once-per-build-session 34// RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -fimplicit-module-maps -fmodules-cache-path=%t/ModuleCache -fdisable-module-hash -x objective-c-header -fsyntax-only %s -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session 35// RUN: diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved 36 37// Now add -fmodules-validate-system-headers and rebuild 38// RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -fimplicit-module-maps -fmodules-validate-system-headers -fmodules-cache-path=%t/ModuleCache -fdisable-module-hash -x objective-c-header -fsyntax-only %s -fbuild-session-timestamp=1390000000 -fmodules-validate-once-per-build-session 39// RUN: not diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved 40 41@import Foo; 42