From 807c317e99426f8379fc55fc4d4bc98e67ec0f41 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Fri, 25 Mar 2022 11:12:19 +0000
Subject: [PATCH] Makefile: Use single-colon rules for `all'.

Alas, double-colon rules inhibit parallelism in an annoying way.
---
 Makefile | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/Makefile b/Makefile
index a9a4ef2..fa021c6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 ## -*-makefile-*-
 
-all::
+all:
 .PHONY: all
 
 clean::
@@ -136,7 +136,7 @@ $(addprefix $(EMACSLIB)/, $(REMOTE_ELISP)): $(EMACSLIB)/%:
 
 DOTLINKS		+= .emacs .emacs-calc .vm .gnus.el .ercrc.el
 
-all:: $(foreach e, $(ELISP), $(DEP_$e))
+all: $(foreach e, $(ELISP), $(DEP_$e))
 $(foreach e, $(ELISP), $(eval _emacs.$e: $(EMACSLIB)/$e.elc))
 
 endif
@@ -170,16 +170,18 @@ DOTLINKS		+= .bashrc .inputrc
 .bash_logout_SRC	 = shell-logout
 .zlogout_SRC		 = shell-logout
 
-all::
+all: zap-stale-zcompdump
+zap-stale-zcompdump:
 	$(V_AT)if [ $(HOME)/.zcompdump -ot dot/zshrc ]; then \
 	  $(call v_print,ZAP,$(HOME)/.zcompdump)rm -f $(HOME)/.zcompdump; \
 	fi
+.PHONY: zap-stale-zcompdump
 
 ## The Plan 9 `rc' shell.  This needs special hacking, because the Linux port
 ## and Plan 9 From User Space have incompatible syntax.
 DOTLINKS		+= lib/profile
 lib/profile_SRC		 = rcrc
-all:: $(HOME)/.rcrc
+all: $(HOME)/.rcrc
 $(HOME)/.rcrc: dot/rcrc
 	$(call v_tag,SED)sed 's/; if not/else/' $< >$@.new && mv $@.new $@
 
@@ -272,7 +274,7 @@ DOTLINKS		+= .parallel/config .parallel/sshloginfile
 .parallel/config_SRC	 = parallel-config
 .parallel/sshloginfile_SRC = parallel-hosts
 
-all:: $(HOME)/.less
+all: $(HOME)/.less
 $(HOME)/.less: dot/lesskey
 	$(V_AT)rm -f $(HOME)/.lesskey
 	$(call v_tag,LESSKEY)lesskey -o$@ $<
@@ -344,12 +346,12 @@ out/firefox/: | out/
 
 clean::; rm -rf out/
 
-all:: out/firefox/smartup-gestures.config
+all: out/firefox/smartup-gestures.config
 out/firefox/smartup-gestures.config: firefox/smartup-gestures.json | out/firefox/
 	$(call v_tag,BLOB)\
 		jq -c . $< | bincode base64 >$@.new && mv $@.new $@
 
-all:: out/firefox/stylus.json
+all: out/firefox/stylus.json
 out/firefox/stylus.json: firefox/stylus/ firefox/stylus/*.css | out/firefox/
 	$(call v_tag,IMPLODE)\
 		firefox/implode-stylus firefox/stylus/ >$@.new && \
@@ -361,7 +363,7 @@ endif
 
 misclink-source		 = $(HERE)/$(or $($1_SRC), $1)
 
-all:: $(addprefix $(HOME)/, $(MISCLINKS))
+all: $(addprefix $(HOME)/, $(MISCLINKS))
 misclink-ok-p		 = \
 	$(call symlink-ok-p,$(HOME)/$1,$(call misclink-source,$1))
 $(addprefix $(HOME)/, $(subst %,\%,$(MISCLINKS))): $(HOME)/%: \
@@ -380,7 +382,7 @@ dotfile-source		 = $(HERE)/dot/$(or $($1_SRC), $(1:.%=%)$2)
 ## Easiest: just make symlinks.
 dotlink-ok-p		 = \
 	$(call symlink-ok-p,$(HOME)/$1,$(call dotfile-source,$1))
-all:: $(addprefix $(HOME)/, $(DOTLINKS))
+all: $(addprefix $(HOME)/, $(DOTLINKS))
 $(addprefix $(HOME)/, $(subst %,\%,$(DOTLINKS))): $(HOME)/%: \
 		$$(if $$(call dotlink-ok-p,$$*),,_force)
 	$(call v_tag,SYMLINK)mkdir -p $(dir $@) && \
@@ -390,7 +392,7 @@ $(addprefix $(HOME)/, $(subst %,\%,$(DOTLINKS))): $(HOME)/%: \
 	$(dotfile-hook/$*)
 
 ## Hack with the C preprocessor.
-all:: $(addprefix $(HOME)/, $(DOTCPP))
+all: $(addprefix $(HOME)/, $(DOTCPP))
 $(addprefix $(HOME)/, $(subst %,\%,$(DOTCPP))): $(HOME)/%: \
 		$$(call dotfile-source,$$*) Makefile
 	$(call v_tag,CPP)mkdir -p $(dir $@) && \
@@ -403,7 +405,7 @@ $(addprefix $(HOME)/, $(subst %,\%,$(DOTCPP))): $(HOME)/%: \
 substvar		 = -e $(call quote,s@$1@$2g)
 SUBSTS			+= $(call substvar,home,$(HOME))
 SUBSTS			+= $(call substvar,profile,$(HERE))
-all:: $(addprefix $(HOME)/, $(DOTSUBST))
+all: $(addprefix $(HOME)/, $(DOTSUBST))
 $(addprefix $(HOME)/, $(subst %,\%,$(DOTSUBST))): $(HOME)/%: \
 		$$(call dotfile-source,$$*,.in) Makefile
 	$(call v_tag,SUBST)mkdir -p $(dir $@) && \
@@ -421,7 +423,7 @@ $(relax)### generated by $(HERE)/Makefile; do not edit!" \
 script-source		 = $(HERE)/bin/$(or $($1_SRC), $1)
 
 ifeq ($(prefix-shebang-p),t)
-all:: $(addprefix $(HOME)/bin/, $(SCRIPTLINKS))
+all: $(addprefix $(HOME)/bin/, $(SCRIPTLINKS))
 $(addprefix $(HOME)/bin/, $(SCRIPTLINKS)): $(HOME)/bin/%: \
 		$$(call script-source,$$*) Makefile
 	$(call v_tag,SHEBANG)mkdir -p $(dir $@) && \
@@ -434,7 +436,7 @@ $(addprefix $(HOME)/bin/, $(SCRIPTLINKS)): $(HOME)/bin/%: \
 else
 scriptlink-ok-p		 = \
 	$(call symlink-ok-p,$(HOME)/bin/$1,$(call script-source,$1))
-all:: $(addprefix $(HOME)/bin/, $(SCRIPTLINKS))
+all: $(addprefix $(HOME)/bin/, $(SCRIPTLINKS))
 $(addprefix $(HOME)/bin/, $(SCRIPTLINKS)): $(HOME)/bin/%: \
 		$$(if $$(call scriptlink-ok-p,$$*),,_force)
 	$(call v_tag,SYMLINK)mkdir -p $(dir $@) && \
@@ -444,7 +446,7 @@ $(addprefix $(HOME)/bin/, $(SCRIPTLINKS)): $(HOME)/bin/%: \
 	$(script-hook/$*)
 endif
 
-all:: $(addprefix $(HOME)/bin/, $(SCRIPTLINKS))
+all: $(addprefix $(HOME)/bin/, $(SCRIPTLINKS))
 
 ###--------------------------------------------------------------------------
 ### Building packages from source tarballs.
@@ -501,7 +503,7 @@ $(foreach p, $(PACKAGES), $(call pkg-stamp,$p,install)): \
 		touch install-stamp
 	$(package-hook/$*)
 
-all:: $(foreach p, $(PACKAGES), $(DEP_$p))
+all: $(foreach p, $(PACKAGES), $(DEP_$p))
 $(foreach p, $(PACKAGES), $(eval _pkg.$p: $(call pkg-stamp,$p,install)))
 
 ###----- That's all, folks --------------------------------------------------
-- 
2.11.0