/configure --help|grep -i prefix
  --prefix=PREFIX         install architecture-independent files in PREFIX
  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                          [PREFIX]
an installation prefix other than `/usr/local/freeswitch' using `--prefix',
for instance `--prefix=$HOME'.
  --bindir=DIR            user executables [EPREFIX/bin]
  --sbindir=DIR           system admin executables [EPREFIX/sbin]
  --libexecdir=DIR        program executables [EPREFIX/libexec]
  --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
  --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
  --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
  --libdir=DIR            object code libraries [EPREFIX/lib]
  --includedir=DIR        C header files [PREFIX/include]
  --datarootdir=DIR       read-only arch.-independent data root [PREFIX/share]
  --program-prefix=PREFIX            prepend PREFIX to installed program names
                          directories (default only when not specifying prefix
                          $prefix/mod)
                          $prefix/run)
                          $prefix/db)
                          $prefix/htdocs)
                          $prefix/fonts)
                          $prefix/sounds)
                          $prefix/grammar)
                          $prefix/certs)
                          $prefix/scripts)
                          $prefix/recordings)
                          $prefix/images)
                          $prefix/storage)
                          $prefix/cache)
  --with-odbc=PREFIX      Compile with ODBC support
  --with-java=PFX         prefix where 'java' is installed.