- 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"])