1 // RUN: rm -rf %t 2 // RUN: not %clang_cc1 -x c++ -Rmodule-build -DMISSING_HEADER -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs/auto-import-unavailable %s 2>&1 | FileCheck %s --check-prefix=MISSING-HEADER 3 // RUN: %clang_cc1 -x c++ -Rmodule-build -DNONREQUIRED_MISSING_HEADER -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs/auto-import-unavailable %s 2>&1 | FileCheck %s --check-prefix=NONREQUIRED-MISSING-HEADER 4 // RUN: not %clang_cc1 -x c++ -Rmodule-build -DMISSING_REQUIREMENT -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs/auto-import-unavailable %s 2>&1 | FileCheck %s --check-prefix=MISSING-REQUIREMENT 5 6 #ifdef MISSING_HEADER 7 8 // Even if the header we ask for is not missing, if the top-level module 9 // containing it has a missing header, then the whole top-level is 10 // unavailable and we issue an error. 11 12 // MISSING-HEADER: module.modulemap:2:27: error: header 'missing_header/missing.h' not found 13 // MISSING-HEADER-DAG: auto-import-unavailable.cpp:[[@LINE+1]]:10: note: submodule of top-level module 'missing_header' implicitly imported here 14 #include "missing_header/not_missing.h" 15 16 // We should not attempt to build the module. 17 // MISSING-HEADER-NOT: remark: building module 18 19 #endif // #ifdef MISSING_HEADER 20 21 22 #ifdef NONREQUIRED_MISSING_HEADER 23 24 // However, if the missing header is dominated by an unsatisfied 25 // `requires`, then that is acceptable. 26 // This also tests that an unsatisfied `requires` elsewhere in the 27 // top-level module doesn't affect an available module. 28 29 // NONREQUIRED-MISSING-HEADER: auto-import-unavailable.cpp:[[@LINE+2]]:10: remark: building module 'nonrequired_missing_header' 30 // NONREQUIRED-MISSING-HEADER: auto-import-unavailable.cpp:[[@LINE+1]]:10: remark: finished building module 'nonrequired_missing_header' 31 #include "nonrequired_missing_header/not_missing.h" 32 33 #endif // #ifdef NONREQUIRED_MISSING_HEADER 34 35 36 #ifdef MISSING_REQUIREMENT 37 38 // If the header is unavailable due to a missing requirement, an error 39 // should be emitted if a user tries to include it. 40 41 // MISSING-REQUIREMENT:module.modulemap:16:8: error: module 'missing_requirement' requires feature 'nonexistent_feature' 42 // MISSING-REQUIREMENT: auto-import-unavailable.cpp:[[@LINE+1]]:10: note: submodule of top-level module 'missing_requirement' implicitly imported here 43 #include "missing_requirement.h" 44 45 // MISSING-REQUIREMENT-NOT: remark: building module 46 47 #endif // #ifdef MISSING_REQUIREMENT 48