--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sources/more/report-recorded-commands.sh	Sat Nov 21 04:27:58 2009 -0600
@@ -0,0 +1,37 @@
+#!/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.
+
+COMPARE="$1"
+
+# Output the list of commands used in a command log.
+
+function 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`
+do
+  [ "$COMPARE" == "$i" ] && continue
+
+  # Start of new group, announce build stage we're looking at.
+  echo
+  echo -n Checking $i:
+
+  if [ -z "$COMPARE" ]
+  then
+    # 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)
+  fi
+done