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Print errno to help diagnose failure to spawn ABC

This commit is contained in:
Robert O'Callahan 2025-12-22 21:58:15 +00:00
parent 64a933d77b
commit 0e61f57458
1 changed files with 1 additions and 1 deletions
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2
passes/techmap/abc.cc
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@ -253,7 +253,7 @@ std::optional<AbcProcess> spawn_abc(const char* abc_exe, DeferredLogs &logs) {
char arg1[] = "-s";
char* argv[] = { strdup(abc_exe), arg1, nullptr };
if (0 != posix_spawnp(&result.pid, abc_exe, &file_actions, nullptr, argv, environ)) {
logs.log_error("posix_spawnp %s failed", abc_exe);
logs.log_error("posix_spawnp %s failed (errno=%s)", abc_exe, strerrorname_np(errno));
return std::nullopt;
}
free(argv[0]);