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Make all compile under OpenBSD (#3423)

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Co-authored-by: Josuah Demangeon <me@josuah.net>
This commit is contained in:
Miodrag Milanović 2022-07-27 14:16:46 +02:00 • committed by GitHub
parent bc012995b4
commit 29a5947bf8
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3 changed files with 50 additions and 3 deletions
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29
kernel/yosys.cc
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@ -871,6 +871,35 @@ std::string proc_self_dirname()
{
return "/";
}
#elif defined(__OpenBSD__)
char yosys_path[PATH_MAX];
char *yosys_argv0;
std::string proc_self_dirname(void)
{
char buf[PATH_MAX + 1] = "", *path, *p;
// if case argv[0] contains a valid path, return it
if (strlen(yosys_path) > 0) {
p = strrchr(yosys_path, '/');
snprintf(buf, sizeof buf, "%*s/", (int)(yosys_path - p), yosys_path);
return buf;
}
// if argv[0] does not, reconstruct the path out of $PATH
path = strdup(getenv("PATH"));
if (!path)
log_error("getenv(\"PATH\") failed: %s\n", strerror(errno));
for (p = strtok(path, ":"); p; p = strtok(NULL, ":")) {
snprintf(buf, sizeof buf, "%s/%s", p, yosys_argv0);
if (access(buf, X_OK) == 0) {
*(strrchr(buf, '/') + 1) = '\0';
free(path);
return buf;
}
}
free(path);
log_error("Can't determine yosys executable path\n.");
return NULL;
}
#else
#error "Don't know how to determine process executable base path!"
#endif