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#######################################################################
# SConscript for Mesa
Import('*')
import filecmp
import os
import subprocess
from sys import executable as python_cmd
env = env.Clone()
env.MSVC2013Compat()
env.Append(CPPPATH = [
'#/src',
'#/src/mapi',
'#/src/glsl',
'#/src/mesa',
'#/src/gallium/include',
'#/src/gallium/auxiliary',
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_'])
env.CFile('program/lex.yy.c', 'program/program_lexer.l')
env.CFile('program/program_parse.tab.c', 'program/program_parse.y')
mesa_sources = (
source_lists['MESA_FILES'] +
source_lists['PROGRAM_FILES'] +
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.h',
script = 'main/format_info.py',
source = 'main/formats.csv',
command = python_cmd + ' $SCRIPT ' + ' $SOURCE > $TARGET'
)
format_pack = env.CodeGenerate(
target = 'main/format_pack.c',
script = 'main/format_pack.py',
source = 'main/formats.csv',
command = python_cmd + ' $SCRIPT ' + ' $SOURCE > $TARGET'
)
format_unpack = env.CodeGenerate(
target = 'main/format_unpack.c',
script = 'main/format_unpack.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):
dirname = os.path.dirname(filename)
if not os.path.exists(dirname):
os.makedirs(dirname)
# 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')
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