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