Reject attempts to build a module without -fmodules, rather than silently doing weird things.
llvm-svn: 307316
diff --git a/clang/test/Modules/relative-dep-gen.cpp b/clang/test/Modules/relative-dep-gen.cpp
index e58dd6e..bfa9471 100644
--- a/clang/test/Modules/relative-dep-gen.cpp
+++ b/clang/test/Modules/relative-dep-gen.cpp
@@ -2,17 +2,17 @@
// RUN: rm -rf %t
// RUN: mkdir %t
//
-// RUN: %clang_cc1 -cc1 -fno-implicit-modules -fmodule-name=relative-dep-gen -emit-module -x c++ Inputs/relative-dep-gen.modulemap -dependency-file %t/build.d -MT mod.pcm -o %t/mod.pcm
-// RUN: %clang_cc1 -cc1 -fno-implicit-modules -fmodule-map-file=Inputs/relative-dep-gen.modulemap -fmodule-file=%t/mod.pcm -dependency-file %t/use-explicit.d -MT use.o relative-dep-gen.cpp -fsyntax-only
-// RUN: %clang_cc1 -cc1 -fno-implicit-modules -fmodule-map-file=Inputs/relative-dep-gen.modulemap -dependency-file %t/use-implicit.d relative-dep-gen.cpp -MT use.o -fsyntax-only
+// RUN: %clang_cc1 -fmodules -fno-implicit-modules -fmodule-name=relative-dep-gen -emit-module -x c++ Inputs/relative-dep-gen.modulemap -dependency-file %t/build.d -MT mod.pcm -o %t/mod.pcm
+// RUN: %clang_cc1 -fmodules -fno-implicit-modules -fmodule-map-file=Inputs/relative-dep-gen.modulemap -fmodule-file=%t/mod.pcm -dependency-file %t/use-explicit.d -MT use.o relative-dep-gen.cpp -fsyntax-only
+// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fmodule-map-file=Inputs/relative-dep-gen.modulemap -dependency-file %t/use-implicit.d relative-dep-gen.cpp -MT use.o -fsyntax-only
//
// RUN: FileCheck --check-prefix=CHECK-BUILD %s < %t/build.d
-// RUN: FileCheck --check-prefix=CHECK-USE %s < %t/use-explicit.d
-// RUN: FileCheck --check-prefix=CHECK-USE %s < %t/use-implicit.d
+// RUN: FileCheck --check-prefix=CHECK-USE --check-prefix=CHECK-EXPLICIT %s < %t/use-explicit.d
+// RUN: FileCheck --check-prefix=CHECK-USE --check-prefix=CHECK-IMPLICIT %s < %t/use-implicit.d
//
-// RUN: %clang_cc1 -cc1 -fno-implicit-modules -fmodule-name=relative-dep-gen -emit-module -x c++ Inputs/relative-dep-gen-cwd.modulemap -dependency-file %t/build-cwd.d -MT mod.pcm -o %t/mod-cwd.pcm -fmodule-map-file-home-is-cwd
-// RUN: %clang_cc1 -cc1 -fno-implicit-modules -fmodule-map-file=Inputs/relative-dep-gen-cwd.modulemap -fmodule-file=%t/mod-cwd.pcm -dependency-file %t/use-explicit-cwd.d -MT use.o relative-dep-gen.cpp -fsyntax-only -fmodule-map-file-home-is-cwd
-// RUN: %clang_cc1 -cc1 -fno-implicit-modules -fmodule-map-file=Inputs/relative-dep-gen-cwd.modulemap -dependency-file %t/use-implicit-cwd.d relative-dep-gen.cpp -MT use.o -fsyntax-only -fmodule-map-file-home-is-cwd
+// RUN: %clang_cc1 -fmodules -fno-implicit-modules -fmodule-name=relative-dep-gen -emit-module -x c++ Inputs/relative-dep-gen-cwd.modulemap -dependency-file %t/build-cwd.d -MT mod.pcm -o %t/mod-cwd.pcm -fmodule-map-file-home-is-cwd
+// RUN: %clang_cc1 -fmodules -fno-implicit-modules -fmodule-map-file=Inputs/relative-dep-gen-cwd.modulemap -fmodule-file=%t/mod-cwd.pcm -dependency-file %t/use-explicit-cwd.d -MT use.o relative-dep-gen.cpp -fsyntax-only -fmodule-map-file-home-is-cwd
+// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fmodule-map-file=Inputs/relative-dep-gen-cwd.modulemap -dependency-file %t/use-implicit-cwd.d relative-dep-gen.cpp -MT use.o -fsyntax-only -fmodule-map-file-home-is-cwd
//
// RUN: FileCheck --check-prefix=CHECK-BUILD %s < %t/build-cwd.d
// RUN: FileCheck --check-prefix=CHECK-USE %s < %t/use-explicit-cwd.d
@@ -23,7 +23,7 @@
// RUN: cp %S/Inputs/relative-dep-gen-1.h %t/Inputs
// RUN: cp %s %t
// RUN: cd %t
-// RUN: %clang_cc1 -cc1 -fno-implicit-modules -fmodule-file=%t/mod-cwd.pcm -dependency-file %t/use-explicit-no-map-cwd.d -MT use.o relative-dep-gen.cpp -fsyntax-only -fmodule-map-file-home-is-cwd
+// RUN: %clang_cc1 -fmodules -fno-implicit-modules -fmodule-file=%t/mod-cwd.pcm -dependency-file %t/use-explicit-no-map-cwd.d -MT use.o relative-dep-gen.cpp -fsyntax-only -fmodule-map-file-home-is-cwd
// RUN: cat %t/use-explicit-no-map-cwd.d
// RUN: FileCheck --check-prefix=CHECK-USE %s < %t/use-explicit-no-map-cwd.d
@@ -35,4 +35,5 @@
// CHECK-BUILD: {{[ \t]}}Inputs/relative-dep-gen-2.h
// CHECK-USE: use.o:
// CHECK-USE-DAG: {{[ \t]}}relative-dep-gen.cpp
-// CHECK-USE-DAG: {{[ \t]}}Inputs{{[/\\]}}relative-dep-gen-1.h
+// CHECK-EXPLICIT-DAG: mod.pcm
+// CHECK-IMPLICIT-DAG: {{[ \t]}}Inputs{{[/\\]}}relative-dep-gen-1.h