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     tempfile = "git_sha1.h.tmp"
  26     with open(tempfile, "w") as f:
  27         args = [ 'sh', Dir('#').abspath + '/git_sha1_gen.sh' ]
  28         try:
  29             subprocess.Popen(args, stdout=f)
  30         except:
  31             print "Warning: exception in write_git_sha1_h_file()"
  32             return
  33
  34     if not os.path.exists(filename) or not filecmp.cmp(tempfile, filename):
  35         # The filename does not exist or it's different from the new file,
  36         # so replace old file with new.
  37         if os.path.exists(filename):
  38             os.remove(filename)
  39         os.rename(tempfile, filename)
  40     return
  41
  42
  43 # Create the git_sha1.h header file
  44 write_git_sha1_h_file("git_sha1.h")
  45 # and update CPPPATH so the git_sha1.h header can be found
  46 env.Append(CPPPATH = ["#" + env['build_dir']])
  47
  48
  49
  50 if env['platform'] != 'windows':
  51     SConscript('loader/SConscript')
  52
  53 # When env['gles'] is set, the targets defined in mapi/glapi/SConscript are not
  54 # used.  libgl-xlib and libgl-gdi adapt themselves to use the targets defined
  55 # in mapi/glapi-shared/SConscript.  mesa/SConscript also adapts itself to
  56 # enable OpenGL ES support.
  57 SConscript('mapi/glapi/gen/SConscript')
  58 SConscript('mapi/glapi/SConscript')
  59
  60 # Haiku C++ libGL dispatch (renderers depend on libgl)
  61 if env['platform'] in ['haiku']:
  62     SConscript('hgl/SConscript')
  63
  64 SConscript('mesa/SConscript')
  65
  66 if not env['embedded']:
  67     if env['platform'] not in ('cygwin', 'darwin', 'freebsd', 'haiku', 'windows'):
  68         SConscript('glx/SConscript')
  69     if env['platform'] == 'haiku':
  70         SConscript('egl/SConscript')
  71
  72     if env['gles']:
  73         SConscript('mapi/shared-glapi/SConscript')
  74
  75 SConscript('gallium/SConscript')
  76