aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/SConscript
blob: e7c4f5ca1f815442ac57428aea81f3c51bcea231 (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
#######################################################################
# SConscript for Mesa


Import('*')
import filecmp
import os
import subprocess
from sys import executable as python_cmd

env = env.Clone()

env.Append(CPPPATH = [
    '#/src',
    '#/src/mapi',
    '#/src/glsl',
    '#/src/mesa',
    Dir('../mapi'), # src/mapi build path
    Dir('.'), # src/mesa build path
])

if env['platform'] == 'windows':
    env.Append(CPPDEFINES = [
        '_GDI32_', # prevent gl* being declared __declspec(dllimport) in MS headers
        'BUILD_GL32', # declare gl* as __declspec(dllexport) in Mesa headers
    ])
    if not env['gles']:
        # prevent _glapi_* from being declared __declspec(dllimport)
        env.Append(CPPDEFINES = ['_GLAPI_NO_EXPORTS'])
else:
    env.Append(CPPDEFINES = [
        ('HAVE_DLOPEN', '1'),
    ])

# parse Makefile.sources
source_lists = env.ParseSourceList('Makefile.sources')

env.Append(YACCFLAGS = '-d -p "_mesa_program_"')
program_lex = env.CFile('program/lex.yy.c', 'program/program_lexer.l')
program_parse = env.CFile('program/program_parse.tab.c',
                          'program/program_parse.y')
program_sources = source_lists['PROGRAM_FILES'] + [
    program_lex,
    program_parse[0],
]

mesa_sources = (
    source_lists['MESA_FILES'] +
    program_sources +
    source_lists['STATETRACKER_FILES']
)

GLAPI = '#src/mapi/glapi/'

get_hash_header = env.CodeGenerate(
      target = 'main/get_hash.h',
      script = 'main/get_hash_generator.py',
      source = GLAPI + 'gen/gl_and_es_API.xml',
      command = python_cmd + ' $SCRIPT ' + ' -f $SOURCE > $TARGET'
)

format_info = env.CodeGenerate(
      target = 'main/format_info.c',
      script = 'main/format_info.py',
      source = 'main/formats.csv',
      command = python_cmd + ' $SCRIPT ' + ' $SOURCE > $TARGET'
)

#
# Assembly sources
#
if (env['gcc'] or env['clang']) and \
   env['platform'] not in ('cygwin', 'darwin', 'windows', 'haiku'):
    if env['machine'] == 'x86':
        env.Append(CPPDEFINES = [
            'USE_X86_ASM',
            'USE_MMX_ASM',
            'USE_3DNOW_ASM',
            'USE_SSE_ASM',
        ])
        mesa_sources += source_lists['X86_FILES']
    elif env['machine'] == 'x86_64':
        env.Append(CPPDEFINES = [
            'USE_X86_64_ASM',
        ])
        mesa_sources += source_lists['X86_64_FILES']
    elif env['machine'] == 'sparc':
        mesa_sources += source_lists['SPARC_FILES']
    else:
        pass

    # Generate matypes.h
    if env['machine'] in ('x86', 'x86_64'):
        # See http://www.scons.org/wiki/UsingCodeGenerators
        gen_matypes = env.Program(
            target = 'gen_matypes',
            source = 'x86/gen_matypes.c',
        )
        matypes = env.Command(
            'matypes.h',
            gen_matypes,
            gen_matypes[0].abspath + ' > $TARGET',
        )
        # Add the dir containing the generated header (somewhere inside  the
        # build dir) to the include path
        env.Append(CPPPATH = [matypes[0].dir])


def write_git_sha1_h_file(filename):
    """Mesa looks for a git_sha1.h file at compile time in order to display
    the current git hash id in the GL_VERSION string.  This function tries
    to retrieve the git hashid and write the header file.  An empty file
    will be created if anything goes wrong."""

    args = [ 'git', 'log', '-n', '1', '--oneline' ]
    try:
        (commit, foo) = subprocess.Popen(args, stdout=subprocess.PIPE).communicate()
    except:
        # git log command didn't work
        if not os.path.exists(filename):
            # create an empty file if none already exists
            f = open(filename, "w")
            f.close()
        return

    commit = '#define MESA_GIT_SHA1 "git-%s"\n' % commit[0:7]
    tempfile = "git_sha1.h.tmp"
    f = open(tempfile, "w")
    f.write(commit)
    f.close()
    if not os.path.exists(filename) or not filecmp.cmp(tempfile, filename):
        # The filename does not exist or it's different from the new file,
        # so replace old file with new.
        if os.path.exists(filename):
            os.remove(filename)
        os.rename(tempfile, filename)
    return


# Create the git_sha1.h header file
write_git_sha1_h_file("main/git_sha1.h")
# and update CPPPATH so the git_sha1.h header can be found
env.Append(CPPPATH = ["#" + env['build_dir'] + "/mesa/main"])


#
# Libraries
#

mesa = env.ConvenienceLibrary(
    target = 'mesa',
    source = mesa_sources,
)

env.Alias('mesa', mesa)

Export('mesa')

SConscript('drivers/SConscript')