b4_glr_if( [m4_define([b4_used_skeleton], [b4_pkgdatadir/[glr.c]])])
b4_nondeterministic_if([m4_define([b4_used_skeleton], [b4_pkgdatadir/[glr.c]])])
b4_glr_if( [m4_define([b4_used_skeleton], [b4_pkgdatadir/[glr.c]])])
b4_nondeterministic_if([m4_define([b4_used_skeleton], [b4_pkgdatadir/[glr.c]])])