From 35460fc91cf5311a4cbaee3c577ad8a95ccab1a1 Mon Sep 17 00:00:00 2001
From: José Fonseca <jrfonseca@tungstengraphics.com>
Date: Fri, 25 Apr 2008 18:16:25 +0900
Subject: scons: Teach scons about user-land windows.

Actually, more like get rid of all our hacks when compiling for
user-land windows.

Only MSVC is supported atm though.
---
 common.py | 159 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 156 insertions(+), 3 deletions(-)

(limited to 'common.py')

diff --git a/common.py b/common.py
index b836a8b41d..51cbd90f1d 100644
--- a/common.py
+++ b/common.py
@@ -34,7 +34,7 @@ default_machine = _machine_map.get(default_machine, 'generic')
 
 if default_platform in ('linux', 'freebsd', 'darwin'):
 	default_dri = 'yes'
-elif default_platform in ('winddk',):
+elif default_platform in ('winddk', 'windows'):
 	default_dri = 'no'
 else:
 	default_dri = 'no'
@@ -51,7 +51,7 @@ def AddOptions(opts):
 	opts.Add(EnumOption('machine', 'use machine-specific assembly code', default_machine,
 											 allowed_values=('generic', 'x86', 'x86_64')))
 	opts.Add(EnumOption('platform', 'target platform', default_platform,
-											 allowed_values=('linux', 'cell', 'winddk')))
+											 allowed_values=('linux', 'cell', 'windows', 'winddk')))
 	opts.Add(BoolOption('llvm', 'use LLVM', 'no'))
 	opts.Add(BoolOption('dri', 'build DRI drivers', default_dri))
 
@@ -133,8 +133,161 @@ def generate(env):
 	# FIXME: this is already too late
 	#if env.get('quiet', False):
 	#	quietCommandLines(env)
-	createConvenienceLibBuilder(env)
+	
+	# shortcuts
+	debug = env['debug']
+	machine = env['machine']
+	platform = env['platform']
+	x86 = env['machine'] == 'x86'
+	gcc = env['platform'] in ('linux', 'freebsd', 'darwin')
+	msvc = env['platform'] in ('windows', 'winddk')
+
+	# C preprocessor options
+	cppdefines = []
+	if debug:
+		cppdefines += ['DEBUG']
+	else:
+		cppdefines += ['NDEBUG']
+	if platform == 'windows':
+		cppdefines += [
+			'WIN32', 
+			'_WINDOWS', 
+			'_UNICODE',
+			'UNICODE',
+			# http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx,
+			'WIN32_LEAN_AND_MEAN',
+			'VC_EXTRALEAN', 
+		]
+		if debug:
+			cppdefines += ['_DEBUG']
+	if platform == 'winddk':
+		# Mimic WINDDK's builtin flags. See also:
+		# - WINDDK's bin/makefile.new i386mk.inc for more info.
+		# - buildchk_wxp_x86.log files, generated by the WINDDK's build
+		# - http://alter.org.ua/docs/nt_kernel/vc8_proj/
+		cppdefines += [
+			('_X86_', '1'), 
+			('i386', '1'), 
+			'STD_CALL', 
+			('CONDITION_HANDLING', '1'),
+			('NT_INST', '0'), 
+			('WIN32', '100'),
+			('_NT1X_', '100'),
+			('WINNT', '1'),
+			('_WIN32_WINNT', '0x0501'), # minimum required OS version
+			('WINVER', '0x0501'),
+			('_WIN32_IE', '0x0603'),
+			('WIN32_LEAN_AND_MEAN', '1'),
+			('DEVL', '1'),
+			('__BUILDMACHINE__', 'WinDDK'),
+			('FPO', '0'),
+		]
+		if debug:
+			cppdefines += [('DBG', 1)]
+	if platform == 'windows':
+		cppdefines += ['PIPE_SUBSYSTEM_USER']
+	if platform == 'winddk':
+		cppdefines += ['PIPE_SUBSYSTEM_KERNEL']
+	env.Append(CPPDEFINES = cppdefines)
+
+	# C compiler options
+	cflags = []
+	if gcc:
+		if debug:
+			cflags += ['-O0', '-g3']
+		else:
+			cflags += ['-O3', '-g3']
+		cflags += [
+			'-Wall', 
+			'-Wmissing-prototypes',
+			'-Wno-long-long',
+			'-ffast-math',
+			'-pedantic',
+			'-fmessage-length=0', # be nice to Eclipse 
+		]
+	if msvc:
+		# See also:
+		# - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
+		# - cl /?
+		if debug:
+			cflags += [
+			  '/Od', # disable optimizations
+			  '/Oi', # enable intrinsic functions
+			  '/Oy-', # disable frame pointer omission
+			]
+		else:
+			cflags += [
+			  '/Ox', # maximum optimizations
+			  '/Oi', # enable intrinsic functions
+			  '/Os', # favor code space
+			]
+		if platform == 'windows':
+			cflags += [
+				# TODO
+				#'/Wp64', # enable 64 bit porting warnings
+			]
+		if platform == 'winddk':
+			cflags += [
+				'/Zl', # omit default library name in .OBJ
+				'/Zp8', # 8bytes struct member alignment
+				'/Gy', # separate functions for linker
+				'/Gm-', # disable minimal rebuild
+				'/W3', # warning level
+				'/WX', # treat warnings as errors
+				'/Gz', # __stdcall Calling convention
+				'/GX-', # disable C++ EH
+				'/GR-', # disable C++ RTTI
+				'/GF', # enable read-only string pooling
+				'/GS', # enable security checks
+				'/G6', # optimize for PPro, P-II, P-III
+				'/Ze', # enable extensions
+				#'/Gi-', # ???
+				'/QIfdiv-', # disable Pentium FDIV fix
+				#'/hotpatch', # ???
+				#'/Z7', #enable old-style debug info
+			]
+		# Put debugging information in a separate .pdb file for each object file as
+		# descrived in the scons manpage
+		env['CCPDBFLAGS'] = '/Zi /Fd${TARGET}.pdb'
+	env.Append(CFLAGS = cflags)
+	env.Append(CXXFLAGS = cflags)
 
+	# Linker options
+	if platform == 'winddk':
+		# See also:
+		# - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
+		env.Append(LINKFLAGS = [
+			'/merge:_PAGE=PAGE',
+			'/merge:_TEXT=.text',
+			'/section:INIT,d',
+			'/opt:ref',
+			'/opt:icf',
+			'/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
+			'/incremental:no',
+			'/fullbuild',
+			'/release',
+			'/nodefaultlib',
+			'/wx',
+			'/debug',
+			'/debugtype:cv',
+			'/version:5.1',
+			'/osversion:5.1',
+			'/functionpadmin:5',
+			'/safeseh',
+			'/pdbcompress',
+			'/stack:0x40000,0x1000',
+			'/driver', 
+			'/align:0x80',
+			'/subsystem:native,5.01',
+			'/base:0x10000',
+			
+			'/entry:DrvEnableDriver',
+		])
+
+
+	createConvenienceLibBuilder(env)
+	
+	
 	# for debugging
 	#print env.Dump()
 
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