This program: #include <idonotexist>
Generates only a warning with gcc 4.1.1 and the -MMD flag. With #include "idonotexist", an error is generated. Errors are generated correctly in both cases with -MD. -- Summary: Missing header files only generate warning with -MMD Product: gcc Version: 4.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: gcc-bklyn at sneakemail dot com GCC build triplet: i486-linux-gnu GCC host triplet: i486-linux-gnu GCC target triplet: i486-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29331