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import filecmp
import os
import subprocess
Import('*')
if env['platform'] == 'windows':
SConscript('getopt/SConscript')
SConscript('util/SConscript')
SConscript('compiler/SConscript')
if env['hostonly']:
# We are just compiling the things necessary on the host for cross
# compilation
Return()
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', 'rev-parse', '--short=10', 'HEAD' ]
try:
(commit, foo) = subprocess.Popen(args, stdout=subprocess.PIPE).communicate()
except:
print "Warning: exception in write_git_sha1_h_file()"
# git log command didn't work
if not os.path.exists(filename):
dirname = os.path.dirname(filename)
if dirname and not os.path.exists(dirname):
os.makedirs(dirname)
# create an empty file if none already exists
f = open(filename, "w")
f.close()
return
# note that commit[:-1] removes the trailing newline character
commit = '#define MESA_GIT_SHA1 "git-%s"\n' % commit[:-1]
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("git_sha1.h")
# and update CPPPATH so the git_sha1.h header can be found
env.Append(CPPPATH = ["#" + env['build_dir']])
if env['platform'] != 'windows':
SConscript('loader/SConscript')
# When env['gles'] is set, the targets defined in mapi/glapi/SConscript are not
# used. libgl-xlib and libgl-gdi adapt themselves to use the targets defined
# in mapi/glapi-shared/SConscript. mesa/SConscript also adapts itself to
# enable OpenGL ES support.
SConscript('mapi/glapi/gen/SConscript')
SConscript('mapi/glapi/SConscript')
# Haiku C++ libGL dispatch (renderers depend on libgl)
if env['platform'] in ['haiku']:
SConscript('hgl/SConscript')
SConscript('mesa/SConscript')
if not env['embedded']:
if env['platform'] not in ('cygwin', 'darwin', 'freebsd', 'haiku', 'windows'):
SConscript('glx/SConscript')
if env['platform'] == 'haiku':
SConscript('egl/SConscript')
if env['gles']:
SConscript('mapi/shared-glapi/SConscript')
SConscript('gallium/SConscript')