From 831989521f8a2db990fa25e2aa005f0c9ff6017b Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Sun, 13 Aug 2017 04:50:44 +0100
Subject: [PATCH] Makefile: Byte-compile Emacs Lisp files silently.

Unless they fail, in which case print the captured log.
---
 Makefile | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 9d7b8a1..8c0aa48 100644
--- a/Makefile
+++ b/Makefile
@@ -79,9 +79,12 @@ SCRIPTLINKS		+= emacsclient-hack movemail-hack sendmail-hack
 SCRIPTLINKS		+= aspell-hack emerge-hack
 
 %.elc: %.el $$(foreach e, $$($$*_DEPS), $$(DEP_$$e))
-	$(call v_tag,EMACS)$(EMACS) -L el/ -L $(EMACSLIB) \
+	$(call v_tag,EMACS)if ! $(EMACS) >$*.build-log 2>&1 \
+		-L el/ -L $(EMACSLIB) \
 		--batch --no-site-file \
-		--eval '(byte-compile-file "$<")'
+		--eval '(byte-compile-file "$<")'; then \
+	  cat $*.build-log; exit 2; \
+	fi
 
 LOCAL_ELISP		 = $(filter $(notdir $(wildcard el/*.el)), \
 				$(addsuffix .el, $(ELISP)))
-- 
2.11.0