| // This test demonstrates how -fmodule-map-file-home-is-cwd with -fmodules-embed-all-files |
| // extend the importer search paths by relying on the side effects of pragma diagnostic |
| // mappings deserialization. |
| |
| // RUN: rm -rf %t |
| // RUN: split-file %s %t |
| |
| //--- dir1/a.modulemap |
| module a { header "a.h" } |
| //--- dir1/a.h |
| #include "search.h" |
| // The first compilation is configured such that -I search does contain the search.h header. |
| //--- dir1/search/search.h |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Wparentheses" |
| #pragma clang diagnostic pop |
| // RUN: cd %t/dir1 && %clang_cc1 -fmodules -I search \ |
| // RUN: -emit-module -fmodule-name=a a.modulemap -o %t/a.pcm \ |
| // RUN: -fmodules-embed-all-files -fmodule-map-file-home-is-cwd |
| |
| //--- dir2/b.modulemap |
| module b { header "b.h" } |
| //--- dir2/b.h |
| #include "search.h" // expected-error{{'search.h' file not found}} |
| // The second compilation is configured such that -I search is an empty directory. |
| // However, since b.pcm simply embeds the headers as "search/search.h", this compilation |
| // ends up seeing it too. This relies solely on ASTReader::ReadPragmaDiagnosticMappings() |
| // eagerly reading the corresponding INPUT_FILE record before header search happens. |
| // Removing the eager deserialization makes this header invisible and so does removing |
| // the pragma directives. |
| // RUN: mkdir %t/dir2/search |
| // RUN: cd %t/dir2 && %clang_cc1 -fmodules -I search \ |
| // RUN: -emit-module -fmodule-name=b b.modulemap -o %t/b.pcm \ |
| // RUN: -fmodule-file=%t/a.pcm -verify |
