A bunch of header files were not listed as dependencies for object files. Changes to files like Parser/parser.h weren't picked up by make.
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 4133d39..a56c91c 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -224,6 +224,10 @@
Parser/printgrammar.o \
Parser/pgenmain.o
+PARSER_HEADERS= \
+ Parser/parser.h \
+ Parser/tokenizer.h
+
PGENOBJS= $(PGENMAIN) $(POBJS) $(PGOBJS)
##########################################################################
@@ -515,12 +519,15 @@
# Header files
PYTHON_HEADERS= \
- Include/Python.h \
Include/Python-ast.h \
- Include/asdl.h \
+ Include/Python.h \
Include/abstract.h \
+ Include/asdl.h \
+ Include/ast.h \
+ Include/bitset.h \
Include/boolobject.h \
Include/bufferobject.h \
+ Include/cellobject.h \
Include/ceval.h \
Include/classobject.h \
Include/cobject.h \
@@ -531,46 +538,61 @@
Include/descrobject.h \
Include/dictobject.h \
Include/enumobject.h \
- Include/genobject.h \
+ Include/errcode.h \
+ Include/eval.h \
Include/fileobject.h \
Include/floatobject.h \
+ Include/frameobject.h \
Include/funcobject.h \
+ Include/genobject.h \
Include/import.h \
Include/intobject.h \
Include/intrcheck.h \
Include/iterobject.h \
Include/listobject.h \
+ Include/longintrepr.h \
Include/longobject.h \
+ Include/marshal.h \
+ Include/metagrammar.h \
Include/methodobject.h \
Include/modsupport.h \
Include/moduleobject.h \
+ Include/node.h \
Include/object.h \
Include/objimpl.h \
+ Include/opcode.h \
+ Include/osdefs.h \
Include/parsetok.h \
Include/patchlevel.h \
+ Include/pgen.h \
+ Include/pgenheaders.h \
Include/pyarena.h \
Include/pydebug.h \
Include/pyerrors.h \
Include/pyfpe.h \
+ Include/pygetopt.h \
Include/pymem.h \
Include/pyport.h \
Include/pystate.h \
- Include/pystrtod.h \
Include/pystrcmp.h \
+ Include/pystrtod.h \
Include/pythonrun.h \
+ Include/pythread.h \
Include/rangeobject.h \
- Include/setobject.h \
+ Include/setobject.h \
Include/sliceobject.h \
Include/stringobject.h \
- Include/structseq.h \
Include/structmember.h \
+ Include/structseq.h \
Include/symtable.h \
Include/sysmodule.h \
Include/traceback.h \
Include/tupleobject.h \
+ Include/ucnhash.h \
Include/unicodeobject.h \
Include/weakrefobject.h \
- pyconfig.h
+ pyconfig.h \
+ $(PARSER_HEADERS)
$(LIBRARY_OBJS) $(MODOBJS) Modules/python.o: $(PYTHON_HEADERS)