From 29a5947bf83c8011e62cc859a0a832ee8ab690ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miodrag=20Milanovi=C4=87?= <mmicko@gmail.com>
Date: Wed, 27 Jul 2022 14:16:46 +0200
Subject: Make all compile under OpenBSD (#3423)

Co-authored-by: Josuah Demangeon <me@josuah.net>
---
 kernel/driver.cc | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'kernel/driver.cc')

diff --git a/kernel/driver.cc b/kernel/driver.cc
index f8f940e89..e52e1fb0e 100644
--- a/kernel/driver.cc
+++ b/kernel/driver.cc
@@ -192,6 +192,13 @@ void yosys_atexit()
 #endif
 }
 
+#if defined(__OpenBSD__)
+namespace Yosys {
+extern char *yosys_argv0;
+extern char yosys_path[PATH_MAX];
+};
+#endif
+
 int main(int argc, char **argv)
 {
 	std::string frontend_command = "auto";
@@ -498,6 +505,12 @@ int main(int argc, char **argv)
 	if (print_stats)
 		log_hasher = new SHA1;
 
+#if defined(__OpenBSD__)
+	// save the executable origin for proc_self_dirname()
+	yosys_argv0 = argv[0];
+	realpath(yosys_argv0, yosys_path);
+#endif
+
 #if defined(__linux__)
 	// set stack size to >= 128 MB
 	{
-- 
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