Get rid of .elc files after removal of the corresponding .el.

* Makefile.in (compile-clean): New target.
(compile-main): Use it.

1 files changed, 13 insertions, 1 deletions

diff --git a/lisp/Makefile.in b/lisp/Makefile.in
index f1219a807c7..21822a82ca4 100644
--- a/lisp/Makefile.in
+++ b/lisp/Makefile.in
@@ -235,7 +235,7 @@ compile-targets: $(TARGETS)
 
 # Compile all the Elisp files that need it.  Beware: it approximates
 # `no-byte-compile', so watch out for false-positives!
-compile-main:
+compile-main: compile-clean
 	@(cd $(lisp); $(setwins); \
 	els=`echo "$$wins " | sed -e 's|/\./|/|g' -e 's|/\. | |g' -e 's| |/*.el |g'`; \
 	for el in $$els; do \
@@ -247,6 +247,18 @@ compile-main:
 	  $(MAKE) $(MFLAGS) compile-targets EMACS="$(EMACS)" TARGETS="$$chunk"; \
 	done
 
+.PHONY: compile-clean
+# Erase left-over .elc files that do not have a corresponding .el file.
+compile-clean:
+	@cd $(lisp); $(setwins); \
+	elcs=`echo "$$wins " | sed -e 's|/\./|/|g' -e 's|/\. | |g' -e 's| |/*.elc |g'`; \
+	for el in $$(echo $$elcs | sed -e 's/\.elc/\.el/g'); do \
+	  if test -f "$$el" -o \! -f "$${el}c"; then :; else \
+	    echo rm "$${el}c"; \
+	    rm "$${el}c"; \
+	  fi \
+	done
+
 # Compile all Lisp files, but don't recompile those that are up to
 # date.  Some .el files don't get compiled because they set the
 # local variable no-byte-compile.