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Location: LEMON/LEMON-official/scripts/chg-len.py

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ladanyi@tmit.bme.hu
Revert to the canonical way of customizing CXXFLAGS A default list of compiler flags is set via AM_CXXFLAGS Automake variable. However this gets overridden by per-target CXXFLAGS variables (e.g. foo_CXXFLAGS in case the foo target). Because of this you should append $(AM_CXXFLAGS) to the end of the per-target CXXFLAGS variables (e.g. foo_CXXFLAGS = ... $(AM_CXXFLAGS)). After this default list of flags the contents of the CXXFLAGS user variable is passed to the compiler. This variable has a default value determined by configure (in case of g++ it is '-g -O2'). You can override this by specifying CXXFLAGS when invoking make (e.g. make CXXFLAGS='-O3').
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#! /usr/bin/env python



import sys

import os



if len(sys.argv)>1 and sys.argv[1] in ["-h","--help"]:

    print """

This utility just prints the length of the longest path

in the revision graph from revison 0 to the current one.

"""

    exit(0)

plist = os.popen("HGRCPATH='' hg parents --template='{rev}\n'").readlines()

if len(plist)>1:

    print "You are in the process of merging"

    exit(1)

PAR = int(plist[0])



f = os.popen("HGRCPATH='' hg log -r 0:tip --template='{rev} {parents}\n'").\

    readlines()

REV = -1

lengths=[]

for l in f:

    REV+=1

    s = l.split()

    rev = int(s[0])

    if REV != rev:

        print "Something is seriously wrong"

        exit(1)

    if len(s) == 1:

        par1 = par2 = rev - 1

    elif len(s) == 2:

        par1 = par2 = int(s[1].split(":")[0])

    else:

        par1 = int(s[1].split(":")[0])

        par2 = int(s[2].split(":")[0])

    if rev == 0:

        lengths.append(0)

    else:

        lengths.append(max(lengths[par1],lengths[par2])+1)

print lengths[PAR]