diff options
Diffstat (limited to 'kernel/driver.cc')
| -rw-r--r-- | kernel/driver.cc | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/kernel/driver.cc b/kernel/driver.cc index c5e31d718..f49f6023b 100644 --- a/kernel/driver.cc +++ b/kernel/driver.cc @@ -160,6 +160,7 @@ int main(int argc, char **argv) std::vector<std::string> plugin_filenames; std::string output_filename = ""; std::string scriptfile = ""; + std::string depsfile = ""; bool scriptfile_tcl = false; bool got_output_filename = false; bool print_banner = true; @@ -256,6 +257,9 @@ int main(int argc, char **argv) printf(" if a warning message matches the regex, it is printes as regular\n"); printf(" message instead.\n"); printf("\n"); + printf(" -E <depsfile>\n"); + printf(" write a Makefile dependencies file with in- and output file names\n"); + printf("\n"); printf(" -V\n"); printf(" print version information and exit\n"); printf("\n"); @@ -276,7 +280,7 @@ int main(int argc, char **argv) } int opt; - while ((opt = getopt(argc, argv, "MXAQTVSm:f:Hh:b:o:p:l:L:qv:tds:c:W:w:D:")) != -1) + while ((opt = getopt(argc, argv, "MXAQTVSm:f:Hh:b:o:p:l:L:qv:tds:c:W:w:D:E:")) != -1) { switch (opt) { @@ -392,6 +396,9 @@ int main(int argc, char **argv) } } break; + case 'E': + depsfile = optarg; + break; default: fprintf(stderr, "Run '%s -h' for help.\n", argv[0]); exit(1); @@ -442,6 +449,24 @@ int main(int argc, char **argv) if (!backend_command.empty()) run_backend(output_filename, backend_command); + if (!depsfile.empty()) + { + FILE *f = fopen(depsfile.c_str(), "wt"); + if (f == nullptr) + log_error("Can't open dependencies file for writing: %s\n", strerror(errno)); + bool first = true; + for (auto fn : yosys_output_files) { + fprintf(f, "%s%s", first ? "" : " ", fn.c_str()); + first = false; + } + fprintf(f, ":"); + for (auto fn : yosys_input_files) { + if (yosys_output_files.count(fn) == 0) + fprintf(f, " %s", fn.c_str()); + } + fprintf(f, "\n"); + } + if (print_stats) { std::string hash = log_hasher->final().substr(0, 10); |