Index: src/algebra/Makefile.in
===================================================================
--- src/algebra/Makefile.in	(revision 1771)
+++ src/algebra/Makefile.in	(working copy)
@@ -89,6 +89,7 @@
 
 SPADFILES=$(patsubst %, $(OUTSRC)/%.spad, $(SPAD_SRCS))
 
+SPAD_SOURCES=$(patsubst %, $(srcdir)/%.spad, $(SPAD_SRCS))
 
 ALDOR_SRCS=\
   axtimer ffrac herm interval invnode invrender \
@@ -371,7 +372,7 @@
 all: all-ax
 
 # Note that the value of ${PREGENERATED} must be an absolute directory.
-all-ax all-algebra:
+all-ax all-algebra: abbrev.list
 	if test -d "${PREGENERATED}/src/algebra"; then \
           ${MAKE} BUILD_WAY=use_lisp stamp-alg ; \
 	else \
@@ -569,6 +570,9 @@
 #	     echo ')co $*.spad' | DAASE=./rf ${INTERPSYS} \
 #	   )
 
+abbrev.list: $(SPAD_SOURCES)
+	sed -n 's/^)abbrev [a-z]*  *\([A-Z0-9]*\) *\([^ ]*\)/\1 \2/p' \
+	$(SPAD_SOURCES) > $@
 
 $(OUTSRC)/%.spad: $(srcdir)/%.spad
 	cp $< $@
Index: src/doc/Makefile.in
===================================================================
--- src/doc/Makefile.in	(revision 1771)
+++ src/doc/Makefile.in	(working copy)
@@ -205,9 +205,9 @@
 # *.spad files.
 # This snippet relies on the fact that )abbrev lines lead to unique
 # short/long names for constructors in the ${EXAMPLES} list.
-examples.list: $(wildcard ${ALGEBRASOURCES}/*.spad)
+examples.list: ../algebra/abbrev.list
 	(for a in ${EXAMPLES}; do echo "-- $$a"; done; \
-	 sed -n 's/^)abb[a-z]* [a-z][a-z]*  *\([A-Z0-9][A-Z0-9]*\) *\([^ ]*\)/\1 \2/p' ${ALGEBRASOURCES}/*.spad\
+	 cat $< \
 	) | ${AWK} '{if($$1=="--"){a[$$2]=1}else{if($$1 in a){print}}}'\
 	  | sort -k2 > $@