Mark old elpa_driver as legacy

Makefile.am

@@ -11,7 +11,7 @@ AM_LDFLAGS = $(SCALAPACK_LDFLAGS)
 noinst_LTLIBRARIES = libelpa@SUFFIX@_public.la
 libelpa@SUFFIX@_public_la_FCFLAGS = $(AM_FCFLAGS) @FC_MODOUT@modules @FC_MODINC@private_modules
 libelpa@SUFFIX@_public_la_SOURCES = \
-	src/elpa.F90 \
+	src/elpa_driver/legacy_interface/elpa_legacy.F90 \
         src/elpa1/legacy_interface/elpa1_legacy.F90 \
         src/elpa1/elpa1_new_interface.F90 \
         src/elpa2/legacy_interface/elpa2_legacy.F90 \

configure.ac

@@ -4,7 +4,7 @@ AC_PREREQ([2.69])
 AC_INIT([elpa],m4_esyscmd_s([awk '/^ *Version:/ {print $2;}' elpa.spec]), [elpa-library@mpcdf.mpg.de])
 AC_SUBST([PACKAGE_VERSION])
 
-AC_CONFIG_SRCDIR([src/elpa.F90])
+AC_CONFIG_SRCDIR([src/elpa_t.F90])
 
 AM_INIT_AUTOMAKE([foreign -Wall subdir-objects])