Add GRAPE to SUBDIRS if conditional GRAPE is true.

Makefile.am

-SUBDIRS = BLAS ALBERT_UTIL SOLVER PLOT_ANSI ALBERT
+if GRAPE
+ SUBDIRS = BLAS ALBERT_UTIL SOLVER PLOT_ANSI ALBERT GRAPE
+else 
+ SUBDIRS = BLAS ALBERT_UTIL SOLVER PLOT_ANSI ALBERT
+endif
 
-EXTRA_DIST = DEMO
+ACLOCAL_AMFLAGS  = -I ./m4
+
+EXTRA_DIST = DEMO m4/check-package.m4
 
 # This target only makes sense for maintainers!!
 cvs-clean: