apt-get build-dep hydrogen
apt-get install subversion
apt-get install libqt4-dev
apt-get install libtar-dev

# libtar not detected

svn co http://hydrogen-music.org/svn/trunk hydrogen
cd hydrogen

prefix=~/local/hydrogen QTDIR=/usr ./configure
make


ERREUR:
src/sound_library.cpp:37:48: error: libtar.h: Aucun fichier ou répertoire de ce type
src/sound_library.cpp: In static member function ‘static void H2Core::Drumkit::install(const std::string&)’:
src/sound_library.cpp:151: error: ‘TAR’ was not declared in this scope
src/sound_library.cpp:151: error: ‘tarFile’ was not declared in this scope
src/sound_library.cpp:156: error: ‘TAR_VERBOSE’ was not declared in this scope
src/sound_library.cpp:156: error: ‘TAR_GNU’ was not declared in this scope
src/sound_library.cpp:156: error: ‘tar_open’ was not declared in this scope
src/sound_library.cpp:162: error: ‘tar_extract_all’ was not declared in this scope
src/sound_library.cpp:166: error: ‘tar_close’ was not declared in this scope
make[2]: *** [objs/sound_library.o] Erreur 1

Solution: installé libtar-dev