#!/bin/bash

# List the commands used to build each architecture.

# If given an argument it's the architecture to compare others against,
# which shows just the extra commands used by those other architectures.

# Mines the output created by build.sh after record-commands.sh.

setglobal COMPARE = $1

# Output the list of commands used in a command log.

proc mine_commands
{
  awk '{print $1}' build/logs/cmdlines.$1.* | sort -u
}

# Iterate through architectures

for i in [$[ls -1 build/logs/cmdlines.* | sed 's@.*/cmdlines\.\([^.]*\).*@\1@' | sort -u]]
{
  test $COMPARE == $i && continue

  # Start of new group, announce build stage we're looking at.
  echo
  echo -n Checking $i:

  if test -z $COMPARE
  {
    # Show all commands in first architecture.
    echo $[mine_commands $i]
  } else {
    # Show commands that differ from first architecture (if any).
    echo $[sort $[mine_commands $COMPARE] $[mine_commands $i] | uniq -u]
  }
}