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RUN: -I %t -fsyntax-only %s -Rmodule-build -verify 19 20// Add an identifier to ensure everything depending on t is out of date 21// RUN: echo 'extern int a;' 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