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* How to run lilypond from the development tree? 

If you want to contribute and can build LilyPond yourself, there's no
need to install that development version; you can run it from the
build tree.

Use the scripts below to configure and select to use the
lilypond from the local build tree like this:

  $ clily && make
  $ . here-lily


clily:
#!/bin/bash

[ -x configure ] || ./autogen.sh --noconf
rm -f config.cache
./configure --prefix=$(pwd) --infodir=$(pwd)/share/info --disable-optimising --enable-gui "$@"

here-lily:
# source me

export PATH=$(pwd)/lily/out:$(pwd)/scripts/out:$PATH   

unset LILYPONDPREFIX
unset TEXMF

# ugh: must fool-proof other TeX environment variables
TEXINPUTS=:
MFINPUTS=:
TFMFONTS=:

. VERSION
FULL_VERSION=$MAJOR_VERSION.$MINOR_VERSION.$PATCH_LEVEL
if [ -n "$MY_PATCH_LEVEL" ]; then
   FULL_VERSION=$FULL_VERSION.$MY_PATCH_LEVEL
fi

datadir=$(pwd)/share/lilypond/$FULL_VERSION
export TEXMF="{$datadir,"`kpsexpand  \\$TEXMF`"}"

export GS_FONTPATH="$datadir/fonts/type1:/usr/share/texmf/fonts/type1/bluesky/cm:/usr/share/texmf/fonts/type1/public/ec-fonts-mftraced"
export GS_LIB="$datadir/ps:$GS_FONTPATH"