1// Ensure that when rebuilding a module we don't save its old modtime when 2// building modules that depend on it. 3 4// REQUIRES: shell 5// RUN: rm -rf %t 6// RUN: mkdir -p %t 7// This could be replaced by diamond_*, except we want to modify the top header 8// RUN: echo '@import l; @import r;' > %t/b.h 9// RUN: echo '@import t; // fromt l' > %t/l.h 10// RUN: echo '@import t; // fromt r' > %t/r.h 11// RUN: echo '// top' > %t/t.h 12// RUN: echo 'module b { header "b.h" } module l { header "l.h" }' > %t/module.map 13// RUN: echo 'module r { header "r.h" } module t { header "t.h" }' >> %t/module.map 14 15// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 16// RUN: -I %t -fsyntax-only %s -Wmodule-build 2>&1 \ 17// RUN: | FileCheck -check-prefix=REBUILD-ALL %s 18// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 19// RUN: -I %t -fsyntax-only %s -Wmodule-build -verify 20 21// Add an identifier to ensure everything depending on t is out of date 22// RUN: echo 'extern int a;' >> %t/t.h 23// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 24// RUN: -I %t -fsyntax-only %s -Wmodule-build 2>&1 \ 25// RUN: | FileCheck -check-prefix=REBUILD-ALL %s 26// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fdisable-module-hash \ 27// RUN: -I %t -fsyntax-only %s -Wmodule-build -verify 28 29// REBUILD-ALL: building module 'b' 30// REBUILD-ALL: building module 'l' 31// REBUILD-ALL: building module 't' 32// REBUILD-ALL: building module 'r' 33 34// Use -verify when expecting no modules to be rebuilt. 35// expected-no-diagnostics 36 37@import b; 38