7116322: enhance javac make rule with a little bit of instrumentation
Reviewed-by: dholmes, ohair
--- a/jdk/make/common/Rules.gmk Wed Nov 30 12:42:26 2011 +0000
+++ b/jdk/make/common/Rules.gmk Wed Nov 30 13:11:16 2011 -0800
@@ -233,13 +233,15 @@
@$(MKDIR) -p $(CLASSDESTDIR)
@$(RM) $<.filtered
@$(CAT) $< | $(NAWK) 'length>0' | $(SORT) -u > $<.filtered
- @if [ `$(CAT) $<.filtered | $(WC) -l` -ge 1 ] ; then \
- $(ECHO) "# Java sources to be compiled: (listed in file $<)"; \
- $(CAT) $<.filtered; \
- $(ECHO) "# Running javac:"; \
- $(ECHO) $(JAVAC_CMD) -sourcepath "$(SOURCEPATH)" -d $(CLASSDESTDIR) @$<.filtered; \
- $(JAVAC_CMD) -sourcepath "$(SOURCEPATH)" -d $(CLASSDESTDIR) @$<.filtered; \
- fi
+ @numfiles=`$(WC) -l < $<.filtered` ; \
+ if [ $$numfiles -ge 1 ] ; then \
+ $(ECHO) "# Java sources to be compiled: (listed in file $<)"; \
+ $(CAT) $<.filtered; \
+ $(ECHO) "# Running javac: $$numfiles files; in $(CURDIR)"; \
+ $(ECHO) $(JAVAC_CMD) -sourcepath "$(SOURCEPATH)" -d $(CLASSDESTDIR) @$<.filtered; \
+ $(JAVAC_CMD) -sourcepath "$(SOURCEPATH)" -d $(CLASSDESTDIR) @$<.filtered; \
+ $(ECHO) "# javac finished"; \
+ fi
@$(java-vm-cleanup)
clobber clean::