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// RUN: -I %t -fsyntax-only %s -Wmodule-build -verify 20 21 // Add an identifier to ensure everything depending on t is out of date 22 // RUN: echo 'extern int a;' 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