-$(top_builddir)/src/language/expressions/src_language_expressions_libexpressions_a-evaluate.o: \
- $(top_builddir)/src/language/expressions/evaluate.h \
- $(top_builddir)/src/language/expressions/operations.h \
- $(top_builddir)/src/language/expressions/evaluate.inc
-
-$(top_builddir)/src/language/expressions/src_language_expressions_libexpressions_a-optimize.o: \
- $(top_builddir)/src/language/expressions/optimize.inc
-
-$(top_builddir)/src/language/expressions/src_language_expressions_libexpressions_a-parse.o: \
- $(top_builddir)/src/language/expressions/parse.inc
-
-
-CLEANFILES += $(expressions_built_sources)
+src_language_expressions_libexpressions_a_CPPFLAGS = $(AM_CPPFLAGS) \
+ -I src/language/expressions \
+ -I $(top_srcdir)/src/language/expressions