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Add support for "yosys -E"

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2018-01-07 16:36:13 +01:00
parent 446ccf1f05
commit a96c775a73
13 changed files with 53 additions and 4 deletions
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27
kernel/driver.cc
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@ -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);