File: make-version.py

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import re
import sys


vf = 'VERSION'
if sys.argv[1:]:
	vf = sys.argv[1]

f = open (vf)
ls = f.readlines ()
mypatch = 0
defs = []
for l in ls:
	l = re.sub ('#.*','', l)
	m  = re.search ('([^ =]*)[\t ]*=[ \t]*([^ \t]*)[ \t]*\n', l)
	if m:
		defs.append ((m.group(1), m.group(2)))


sys.stdout.write (r'''
#ifndef VERSION_HH
#define VERSION_HH
/* automatically generated */


''')
for d in defs:

	# GUILE leaks autoconf data into userspace. 
	sys.stdout.write ('#ifdef %s\n' % d[0])
	sys.stdout.write ('#undef %s\n' % d[0])
	sys.stdout.write ('#endif /* %s */\n' % d[0])		
	
	sys.stdout.write ('#define %s "%s"\n' % d)
	

if ('MY_PATCH_LEVEL', '') in defs:
	sys.stdout.write ('#define NO_MY_PATCHLEVEL')

sys.stdout.write(r'''
#endif
''')