diff options
Diffstat (limited to 'libbuild2')
| -rw-r--r-- | libbuild2/cc/compile-rule.cxx | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/libbuild2/cc/compile-rule.cxx b/libbuild2/cc/compile-rule.cxx index ce611d2..e3f1cb4 100644 --- a/libbuild2/cc/compile-rule.cxx +++ b/libbuild2/cc/compile-rule.cxx @@ -6328,9 +6328,14 @@ namespace build2 if (m.score <= match_max (in)) { - const string& mn (cast<string> (bt->state[a].vars[c_module_name])); + // If the extraction of the module information for this BMI failed + // and we have deferred failure to compiler diagnostics, then there + // will be no module name assigned. It would have been better to + // make sure that's the cause, but that won't be easy. + // + const string* mn (cast_null<string> (bt->state[a].vars[c_module_name])); - if (in != mn) + if (mn != nullptr && in != *mn) { // Note: matched, so the group should be resolved. // @@ -6344,7 +6349,7 @@ namespace build2 fail (relative (src)) << "failed to correctly guess module name from " << p << info << "guessed: " << in << - info << "actual: " << mn << + info << "actual: " << *mn << info << "consider adjusting module interface file names or" << info << "consider specifying module name with " << x << ".module_name"; @@ -6372,12 +6377,15 @@ namespace build2 if (et == nullptr) continue; // Unresolved (std.*). - const string& mn (cast<string> (et->state[a].vars[c_module_name])); + // As above (deferred failure). + // + const string* mn (cast_null<string> (et->state[a].vars[c_module_name])); - if (find_if (imports.begin (), imports.end (), - [&mn] (const module_import& i) + if (mn != nullptr && + find_if (imports.begin (), imports.end (), + [mn] (const module_import& i) { - return i.name == mn; + return i.name == *mn; }) == imports.end ()) { pts.push_back (et); @@ -6388,10 +6396,10 @@ namespace build2 // but it's probably not worth it if we have a small string // optimization. // - import_type t (mn.find (':') != string::npos + import_type t (mn->find (':') != string::npos ? import_type::module_part : import_type::module_intf); - imports.push_back (module_import {t, mn, true, 0}); + imports.push_back (module_import {t, *mn, true, 0}); } } } |