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Manual Reference Pages  -  MAKEPPLOG (1)

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makepplog -- Textual analysis of the build log



?: -?, A: -A,
--arguments-file, C: -C,
--current-working-directory-and-up, F: -f,
--follow, H: -h,
--help, I: -i,
--install-dirs, K: -K,
--keys, L: -l,
--log-file, M: $MAKEPPLOGFLAGS, N: -n,
--no-indent, O: -o,
--output, P: -p,
--prefix, S: --showkey, T: -t,
--tabulate, U: -u,
--unique, V: -V,

makepplog option ...

mppl option ...

Makepp by default writes a detailed log of its decision finding and actions. So as to not waste its time with pretty printing, this data is dumped in a compact but fairly cryptic format. This tool does the pretty printing in various formats. For a less detailed but even prettier graphical view see makeppgraph.

This is solely based on the contents of the log file, so it can be performed at any time, and even on a different machine. Valid options are:
-A filename
--arguments-file=filename Read the file and parse it as possibly quoted whitespace- and/or newline-separated options.
-C number
--current-working-directory-and-up=number The first two options strip the current directory from the front of all filenames it outputs. The second two additionally replace number directories up from here, with the necessary number of ../ entries.

These options only work meaningfully when you call makepplog in the same directory makepp ran, or one near there.

--follow As in tail command, process more lines of logfile as it grows.
--help Print out a brief summary of the options.
--installation-directories These options replace the invocation of makepp and the pathes to the built in makefiles with .../ so as to keep odd pathes out of your sight.
-k list
--keylist=list The list specifies one or more space separated Shell style patterns (with [xyz], ?, *, {a,bc,def}). Remember to protect these from your Shell by quoting. These are matched against the message keys (as shown by --showkey). Each pattern may be preceded with an exclamation mark (!) or a caret (^) to exclude the matched keys from those selected before instead of adding them to the selection. If the first pattern starts with an exclamation mark, it operates on all keys. There are a few key prefixes with fixed meanings so you can select categories of keys:
BC* All build cache related messages.
BUILD* All build reason related messages.
LOAD* All makefile loading related messages.
REP* All repository related messages.
RULE* All rule related messages.
SCAN* All scanning related messages.

    --keys=LOAD* RULE*        # Only makefile loading and rule messages.
    --keys=!BUILD* *CMD       # No build messages, except BUILD_CMD.

--showkey This prefixes each output line with the internal name of the message key, for use with --keys.
-l filename
--log-file=filename The filename is to where makepp wrote its log. It may also be a directory, in which a file called .makepp/log or log will be searched. To read from stdin, you must give - as a filename. When this option is not given, it defaults to the current directory.

This option can be given multiple times, e.g. for merging all the logs from --traditional-recursive-make. But it will get the message version information, which keeps track of message formats, only from the first file. So if you feed it log files from different version of makepp in the same invocation, output can get a bit messed up.

--no-indent Makepp puts indentation information into the log file to show you what happened because of what else. This option turns indentation off.
-o filename
--output=filename Write the output to this file, rather than stdout.
--prefix Prefix every structured message with the string makepplog: . IDEs like Emacs can then parse the lines and hyperlink to the mentioned files.
--tabulate Put each list item on a new line, rather than outputting a line that can easily become longer than a screenful.
--unique Report each found include statement and each scan output only once.
--version Print out the version number.


If you want to know which file includes which other file, and nothing else:

    makeppclean -r
    makepp                      # Full build to scan all source files.
    makepplog -p /^INCL$/

If you want to format lines with a prefix so Emacs’ compilation-mode can parse the lines and exclude all scanning related messages:

    makepplog -mp !/^SCAN/

If you want to explore which keys you can exclude or include in the above manners:

    makepplog -kn


Makepplog looks at the following environment variable:
$MAKEPPLOGFLAGS Any flags in this environment variable are interpreted as command line options before any explicit options. Quotes are interpreted like in makefiles.


Daniel Pfeiffer (
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