From 374781da1a0dfabfcb876c7701598618245f1b11 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Mon, 15 Jul 2019 20:18:05 +0200
Subject: [PATCH] OpenBSD, NetBSD, DragonFly support

---
 compiler/main.v   | 21 +++++++++++++++++++--
 compiler/parser.v |  3 +++
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/compiler/main.v b/compiler/main.v
index 0a99aec2a3..c1007c7f4a 100644
--- a/compiler/main.v
+++ b/compiler/main.v
@@ -29,7 +29,7 @@ fn vtmp_path() string {
 }
 
 const (
-	SupportedPlatforms = ['windows', 'mac', 'linux', 'freebsd']
+	SupportedPlatforms = ['windows', 'mac', 'linux', 'freebsd', 'openbsd', 'netbsd', 'dragonfly'] 
 	TmpPath            = vtmp_path()
 )
 
@@ -38,6 +38,9 @@ enum OS {
 	linux
 	windows
 	freebsd 
+	openbsd 
+	netbsd 
+	dragonfly 
 }
 
 enum Pass {
@@ -607,7 +610,9 @@ mut args := ''
 		a << '-x objective-c'
 	}
 	// Without these libs compilation will fail on Linux
-	if (v.os == .linux || os.user_os() == 'linux' || v.os == .freebsd) && v.pref.build_mode != .build {
+	// || os.user_os() == 'linux' 
+	if v.pref.build_mode != .build && (v.os == .linux || v.os == .freebsd || v.os == .openbsd ||
+		v.os == .netbsd || v.os == .dragonfly) { 
 		a << '-lm -ldl -lpthread'
 	}
 	// Find clang executable
@@ -894,6 +899,15 @@ fn new_v(args[]string) *V {
 		$if freebsd {
 			_os = .freebsd 
 		}
+		$if openbsd {
+			_os = .openbsd 
+		}
+		$if netbsd {
+			_os = .netbsd 
+		}
+		$if dragonfly {
+			_os = .dragonfly 
+		}
 	}
 	else {
 		switch target_os {
@@ -901,6 +915,9 @@ fn new_v(args[]string) *V {
 		case 'windows': _os = .windows
 		case 'mac': _os = .mac
 		case 'freebsd': _os = .freebsd 
+		case 'openbsd': _os = .openbsd 
+		case 'netbsd': _os = .netbsd 
+		case 'dragonfly': _os = .dragonfly 
 		}
 	}
 	builtins := [
diff --git a/compiler/parser.v b/compiler/parser.v
index 744f80404b..56ff18ec78 100644
--- a/compiler/parser.v
+++ b/compiler/parser.v
@@ -2617,6 +2617,9 @@ fn os_name_to_ifdef(name string) string {
 		case 'mac': return '__APPLE__'
 		case 'linux': return '__linux__' 
 		case 'freebsd': return '__FreeBSD__' 
+		case 'openbsd': return '__OpenBSD__' 
+		case 'netbsd': return '__NetBSD__' 
+		case 'dragonfly': return '__DragonFly__' 
 	} 
 	panic('bad os ifdef name "$name"') 
 	return ''