$NetBSD: patch-SConscript,v 1.3 2020/12/03 14:37:19 nia Exp $

Support NetBSD.

--- SConscript.orig	2020-02-27 03:38:53.000000000 +0000
+++ SConscript
@@ -90,7 +90,7 @@ elif GetOption('lin'):
 	platform = "Linux"
 elif GetOption('mac'):
 	platform = "Darwin"
-elif compilePlatform not in ["Linux", "Windows", "Darwin", "FreeBSD"]:
+elif compilePlatform not in ["Linux", "Windows", "Darwin", "FreeBSD", "NetBSD"]:
 	FatalError("Unknown platform: {0}".format(platform))
 
 msvc = GetOption('msvc')
@@ -239,12 +239,7 @@ def findLibs(env, conf):
 			FatalError("libSDL2main not found or not installed")
 
 	#Look for SDL
-	runSdlConfig = platform == "Linux" or compilePlatform == "Linux" or platform == "FreeBSD"
-	if platform == "Darwin" and conf.CheckFramework("SDL2"):
-		runSdlConfig = False
-	elif not conf.CheckLib("SDL2"):
-		FatalError("SDL2 development library not found or not installed")
-
+	runSdlConfig = platform == "Linux" or compilePlatform == "Linux" or platform == "FreeBSD" or platform == "NetBSD"
 	if runSdlConfig:
 		try:
 			env.ParseConfig('sdl2-config --cflags')
@@ -263,10 +258,7 @@ def findLibs(env, conf):
 
 	if not GetOption('nolua') and not GetOption('renderer') and not GetOption('font'):
 		#Look for Lua
-		if platform == "FreeBSD":
-			luaver = "lua-5.1"
-		else:
-			luaver = "lua5.1"
+		luaver = "lua-5.1"
 		if GetOption('luajit'):
 			if not conf.CheckLib(['luajit-5.1', 'luajit5.1', 'luajit2.0', 'luajit', 'libluajit']):
 				FatalError("luajit development library not found or not installed")
@@ -276,16 +268,13 @@ def findLibs(env, conf):
 			if not conf.CheckLib(['lua5.2', 'lua-5.2', 'lua52', 'lua']):
 				FatalError("lua5.2 development library not found or not installed")
 			env.Append(CPPDEFINES=["LUA_COMPAT_ALL"])
-			if platform == "FreeBSD":
-				luaver = "lua-5.2"
-			else:
-				luaver = "lua5.2"
+			luaver = "lua5.2"
 		else:
 			if not conf.CheckLib(['lua5.1', 'lua-5.1', 'lua51', 'lua']):
 				if platform != "Darwin" or not conf.CheckFramework("Lua"):
 					FatalError("lua5.1 development library not found or not installed")
 		foundpkg = False
-		if platform == "Linux" or platform == "FreeBSD":
+		if platform == "Linux" or platform == "FreeBSD" or platform == "NetBSD":
 			try:
 				env.ParseConfig("pkg-config --cflags {0}".format(luaver))
 				env.ParseConfig("pkg-config --libs {0}".format(luaver))
@@ -333,7 +322,7 @@ def findLibs(env, conf):
 	if useCurl and not conf.CheckLib(['curl', 'libcurl']):
 		FatalError("libcurl not found or not installed")
 
-	if useCurl and (platform == "Linux" or compilePlatform == "Linux" or platform == "FreeBSD"):
+	if useCurl and (platform == "Linux" or compilePlatform == "Linux" or platform == "FreeBSD" or platform == "NetBSD"):
 		if GetOption('static'):
 			env.ParseConfig("curl-config --static-libs")
 		else:
@@ -358,7 +347,7 @@ def findLibs(env, conf):
 
 	#Look for OpenGL libraries
 	if GetOption('opengl'):
-		if platform == "Linux" or platform == "FreeBSD":
+		if platform == "Linux" or platform == "FreeBSD" or platform == "NetBSD":
 			if not conf.CheckLib('GL'):
 				FatalError("libGL not found or not installed")
 			try:
@@ -375,10 +364,12 @@ def findLibs(env, conf):
 			if not conf.CheckFramework("OpenGL"):
 				FatalError("OpenGL framework not found or not installed")
 
-	if platform == "Linux" or platform == "FreeBSD":
+	if platform == "Linux" or platform == "FreeBSD" or platform == "NetBSD":
 		if not conf.CheckLib('X11'):
 			FatalError("X11 development library not found or not installed")
 
+		env.ParseConfig('pkg-config --libs x11')
+
 		if not conf.CheckLib('rt'):
 			FatalError("librt not found or not installed")
 	elif platform == "Windows":
@@ -426,7 +417,7 @@ if platform == "Windows":
 			env.Append(LINKFLAGS=['/NODEFAULTLIB:msvcrtd.lib'])
 	else:
 		env.Append(LINKFLAGS=['-mwindows'])
-elif platform == "Linux" or platform == "FreeBSD":
+elif platform == "Linux" or platform == "FreeBSD" or platform == "NetBSD":
 	env.Append(CPPDEFINES=['LIN'])
 elif platform == "Darwin":
 	env.Append(CPPDEFINES=['MACOSX'])
@@ -481,10 +472,6 @@ elif GetOption('release'):
 			env.Append(CCFLAGS=['/MT'])
 		else:
 			env.Append(CCFLAGS=['/MD'])
-	else:
-		env.Append(CCFLAGS=['-O3', '-ftree-vectorize', '-funsafe-math-optimizations', '-ffast-math', '-fomit-frame-pointer'])
-		if platform != "Darwin":
-			env.Append(CCFLAGS=['-funsafe-loop-optimizations'])
 
 if GetOption('static'):
 	if platform == "Windows":