// RUN: rm -rf %t/ModuleCache // RUN: mkdir -p %t/Inputs/usr/include // RUN: touch %t/Inputs/usr/include/foo.h // RUN: echo 'module Foo [system] { header "foo.h" }' > %t/Inputs/usr/include/module.map //// // Build a module using a system header // RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -fmodules-cache-path=%t/ModuleCache -fdisable-module-hash -x objective-c-header -fsyntax-only %s // RUN: cp %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved //// // Modify the system header, and confirm that we don't notice without -fmodules-validate-system-headers. // The pcm file in the cache should fail to validate. // RUN: echo ' ' >> %t/Inputs/usr/include/foo.h // RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -fmodules-cache-path=%t/ModuleCache -fdisable-module-hash -x objective-c-header -fsyntax-only %s // RUN: diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved //// // Now make sure we rebuild the module when -fmodules-validate-system-headers is set. // RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -fmodules-validate-system-headers -fmodules-cache-path=%t/ModuleCache -fdisable-module-hash -x objective-c-header -fsyntax-only %s // RUN: not diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved //// // This should override -fmodules-validate-once-per-build-session // RUN: cp %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved // RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -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 // RUN: diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved // Modify the system header... // RUN: echo ' ' >> %t/Inputs/usr/include/foo.h // Don't recompile due to -fmodules-validate-once-per-build-session // RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -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 // RUN: diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved // Now add -fmodules-validate-system-headers and rebuild // RUN: %clang_cc1 -isystem %t/Inputs/usr/include -fmodules -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 // RUN: not diff %t/ModuleCache/Foo.pcm %t/Foo.pcm.saved @import Foo;