summaryrefslogtreecommitdiff
path: root/SConstruct
blob: 6e034fb968f5c641de0174f971e3bd1f8172189b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
#######################################################################
# Top-level SConstruct
#
# For example, invoke scons as
#
#   scons build=debug llvm=yes machine=x86
#
# to set configuration variables. Or you can write those options to a file
# named config.py:
#
#   # config.py
#   build='debug'
#   llvm=True
#   machine='x86'
#
# Invoke
#
#   scons -h
#
# to get the full list of options. See scons manpage for more info.
#

import os
import os.path
import sys
import SCons.Util

import common

#######################################################################
# Minimal scons version

EnsureSConsVersion(2, 4)


#######################################################################
# Configuration options

opts = Variables('config.py')
common.AddOptions(opts)

env = Environment(
	options = opts,
	tools = ['gallium'],
	toolpath = ['#scons'],
	ENV = os.environ,
)

# XXX: This creates a many problems as it saves...
#opts.Save('config.py', env)

# Backwards compatability with old target configuration variable
try:
    targets = ARGUMENTS['targets']
except KeyError:
    pass
else:
    targets = targets.split(',')
    print('scons: warning: targets option is deprecated; pass the targets on their own such as')
    print()
    print('  scons %s' % ' '.join(targets))
    print()
    COMMAND_LINE_TARGETS.append(targets)


Help(opts.GenerateHelpText(env))

#######################################################################
# Environment setup

with open("VERSION") as f:
  mesa_version = f.read().strip()
env.Append(CPPDEFINES = [
    ('PACKAGE_VERSION', '\\"%s\\"' % mesa_version),
    ('PACKAGE_BUGREPORT', '\\"https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa\\"'),
])

# Includes
env.Prepend(CPPPATH = [
	'#/include',
])
env.Append(CPPPATH = [
	'#/src/gallium/include',
	'#/src/gallium/auxiliary',
	'#/src/gallium/drivers',
	'#/src/gallium/winsys',
])

# for debugging
#print env.Dump()


# Add a check target for running tests
check = env.Alias('check')
env.AlwaysBuild(check)


#######################################################################
# Invoke host SConscripts
#
# For things that are meant to be run on the native host build machine, instead
# of the target machine.
#

# Create host environent
if env['crosscompile'] and not env['embedded']:
    host_env = Environment(
        options = opts,
        # no tool used
        tools = [],
        toolpath = ['#scons'],
        ENV = os.environ,
    )

    # Override options
    host_env['platform'] = common.host_platform
    host_env['machine'] = common.host_machine
    host_env['toolchain'] = 'default'
    host_env['llvm'] = False

    host_env.Tool('gallium')

    host_env['hostonly'] = True
    assert host_env['crosscompile'] == False

    target_env = env
    env = host_env
    Export('env')

    SConscript(
        'src/SConscript',
        variant_dir = host_env['build_dir'],
        duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
    )

    env = target_env

Export('env')

#######################################################################
# Invoke SConscripts

# TODO: Build several variants at the same time?
# http://www.scons.org/wiki/SimultaneousVariantBuilds

SConscript(
	'src/SConscript',
	variant_dir = env['build_dir'],
	duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
)


########################################################################
# List all aliases

try:
    from SCons.Node.Alias import default_ans
except ImportError:
    pass
else:
    aliases = sorted(default_ans.keys())
    env.Help('\n')
    env.Help('Recognized targets:\n')
    for alias in aliases:
        env.Help('    %s\n' % alias)