make buildconf actually work

build/build.mk

@@ -22,17 +22,16 @@ SUBDIRS = Zend TSRM
 
 STAMP = buildmk.stamp
 
-ALWAYS = generated_lists
-
-
-all: $(STAMP) $(ALWAYS)
+all: $(STAMP) generated_lists
 	@$(MAKE) -s -f build/build2.mk
 
-generated_lists:
+generated_lists: ALWAYS
 	@echo makefile_am_files = Zend/Makefile.am TSRM/Makefile.am > $@
 	@echo config_m4_files = Zend/Zend.m4 TSRM/tsrm.m4 TSRM/threads.m4 \
 		Zend/acinclude.m4 ext/*/config*.m4 sapi/*/config.m4 >> $@
 
+ALWAYS:
+
 $(STAMP): build/buildcheck.sh
 	@build/buildcheck.sh $(STAMP)
 

build/build2.mk

@@ -50,5 +50,6 @@ aclocal.m4: configure.in acinclude.m4
 
 configure: aclocal.m4 configure.in $(config_m4_files)
 	@echo rebuilding $@
+	@rm -f $@
 	$(PHP_AUTOCONF) $(SUPPRESS_WARNINGS)