When multiple .c (.cpp?) files are mentioned on the command line, GCC places
only a single one in the MD output:
$ echo "int main() { return 0; }" > a.c
$ echo "int foo() { return 0; }" > b.c
$ gcc -MD a.c b.c
$ cat a.d
a.o: a.c
b.c was lost, but should be listed.
--
Summary: gcc -MD misses multiple command line source files
Product: gcc
Version: 4.4.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: driver
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: wsnyder at wsnyder dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45166
