X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=emacs%2FMakefile.local;h=456700ac8c62ecf7a060529ee78e4de9a57b3cc7;hb=a13b388243247a423a8c8476e35a4ebe6c9bde5b;hp=fb82247f32e51a294e58d03f805fd235603221d8;hpb=eb8feb16664fd0296ea0e07f4924c2a87a5b3bc3;p=notmuch

diff --git a/emacs/Makefile.local b/emacs/Makefile.local
index fb82247f..456700ac 100644
--- a/emacs/Makefile.local
+++ b/emacs/Makefile.local
@@ -22,6 +22,18 @@ emacs_images := \
 
 emacs_bytecode = $(emacs_sources:.el=.elc)
 
+# Because of defmacro's and defsubst's, we have to account for load
+# dependencies between Elisp files when byte compiling.  Otherwise,
+# the byte compiler may load an old .elc file when processing a
+# "require" or we may fail to rebuild a .elc that depended on a macro
+# from an updated file.
+$(dir)/.eldeps: $(dir)/Makefile.local $(dir)/make-deps.el $(emacs_sources)
+	$(call quiet,EMACS) --directory emacs -batch -l make-deps.el \
+		-f batch-make-deps $(emacs_sources) > $@.tmp && \
+		(cmp -s $@.tmp $@ || mv $@.tmp $@)
+-include $(dir)/.eldeps
+CLEAN+=$(dir)/.eldeps $(dir)/.eldeps.tmp
+
 %.elc: %.el $(global_deps)
 	$(call quiet,EMACS) --directory emacs -batch -f batch-byte-compile $<