+# The enums.c file is generated from the GL/ES API.xml file
+env.CodeGenerate(
+ target = 'main/enums.c',
+ script = GLAPI + 'gen/gl_enums.py',
+ source = GLAPI + 'gen/gl_and_es_API.xml',
+ command = python_cmd + ' $SCRIPT -f $SOURCE > $TARGET'
+ )
+
+# The api_exec.c file is generated from the GL/ES API.xml file
+env.CodeGenerate(
+ target = 'main/api_exec.c',
+ script = GLAPI + 'gen/gl_genexec.py',
+ source = GLAPI + 'gen/gl_and_es_API.xml',
+ command = python_cmd + ' $SCRIPT -f $SOURCE > $TARGET'
+ )
+
+# We also depend on the auto-generated GL API headers
+env.Depends(mesa_sources, glapi_headers)
+
+
+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)