src/SConscript

   1 import filecmp
   2 import os
   3 import subprocess
   4
   5 Import('*')
   6
   7 if env['platform'] == 'windows':
   8     SConscript('getopt/SConscript')
   9
  10 SConscript('util/SConscript')
  11 SConscript('compiler/SConscript')
  12
  13 if env['hostonly']:
  14     # We are just compiling the things necessary on the host for cross
  15     # compilation
  16     Return()
  17
  18
  19 def write_git_sha1_h_file(filename):
  20     """Mesa looks for a git_sha1.h file at compile time in order to display
  21     the current git hash id in the GL_VERSION string.  This function tries
  22     to retrieve the git hashid and write the header file.  An empty file
  23     will be created if anything goes wrong."""
  24
  25     args = [ 'git', 'rev-parse', '--short=10', 'HEAD' ]
  26     try:
  27         (commit, foo) = subprocess.Popen(args, stdout=subprocess.PIPE).communicate()
  28     except:
  29         print "Warning: exception in write_git_sha1_h_file()"
  30         # git log command didn't work
  31         if not os.path.exists(filename):
  32             dirname = os.path.dirname(filename)
  33             if dirname and not os.path.exists(dirname):
  34                 os.makedirs(dirname)
  35             # create an empty file if none already exists
  36             f = open(filename, "w")
  37             f.close()
  38         return
  39
  40     # note that commit[:-1] removes the trailing newline character
  41     commit = '#define MESA_GIT_SHA1 "git-%s"\n' % commit[:-1]
  42     tempfile = "git_sha1.h.tmp"
  43     f = open(tempfile, "w")
  44     f.write(commit)
  45     f.close()
  46     if not os.path.exists(filename) or not filecmp.cmp(tempfile, filename):
  47         # The filename does not exist or it's different from the new file,
  48         # so replace old file with new.
  49         if os.path.exists(filename):
  50             os.remove(filename)
  51         os.rename(tempfile, filename)
  52     return
  53
  54
  55 # Create the git_sha1.h header file
  56 write_git_sha1_h_file("git_sha1.h")
  57 # and update CPPPATH so the git_sha1.h header can be found
  58 env.Append(CPPPATH = ["#" + env['build_dir']])
  59
  60
  61
  62 if env['platform'] != 'windows':
  63     SConscript('loader/SConscript')
  64
  65 # When env['gles'] is set, the targets defined in mapi/glapi/SConscript are not
  66 # used.  libgl-xlib and libgl-gdi adapt themselves to use the targets defined
  67 # in mapi/glapi-shared/SConscript.  mesa/SConscript also adapts itself to
  68 # enable OpenGL ES support.
  69 SConscript('mapi/glapi/gen/SConscript')
  70 SConscript('mapi/glapi/SConscript')
  71
  72 # Haiku C++ libGL dispatch (renderers depend on libgl)
  73 if env['platform'] in ['haiku']:
  74     SConscript('hgl/SConscript')
  75
  76 SConscript('mesa/SConscript')
  77
  78 if not env['embedded']:
  79     if env['platform'] not in ('cygwin', 'darwin', 'freebsd', 'haiku', 'windows'):
  80         SConscript('glx/SConscript')
  81     if env['platform'] == 'haiku':
  82         SConscript('egl/SConscript')
  83
  84     if env['gles']:
  85         SConscript('mapi/shared-glapi/SConscript')
  86
  87 SConscript('gallium/SConscript')
  88