Difference between revisions of "Testing removal of ifdef or configure checks"

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(A script to help)
(link to helpful gcc -E script)
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==A script to help==
 
==A script to help==
  
[[This script wraps gcc -E|File:Gcc-E.py.txt]] to attempt to solve this dilemma, so as to provide a result that can be reasoned with via tools like [https://www.samba.org/ftp/paulus/ dirdiff]
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[[File:Gcc-E.py.txt]] is a Python script that wraps gcc -E to attempt to solve this dilemma, so as to provide a result that can be reasoned with via tools like [https://www.samba.org/ftp/paulus/ dirdiff]

Revision as of 01:25, 27 April 2019

#ifdef removal is risky

Large-scale removal of "unused" ifdef is an important, but risky task.

It is difficult (and time consuming) to prove that the code is unused and that there is no change to the compiled output.

A script to help

File:Gcc-E.py.txt is a Python script that wraps gcc -E to attempt to solve this dilemma, so as to provide a result that can be reasoned with via tools like dirdiff