From 038788ff0870713d1906970d51de8ac2fb9626d6 Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Mon, 6 Nov 2023 14:44:46 +0100
Subject: Switch from a Makefile to a (better written) GNUmakefile

---
 GNUmakefile | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Makefile    | 62 -------------------------------------------------------------
 2 files changed, 53 insertions(+), 62 deletions(-)
 create mode 100644 GNUmakefile
 delete mode 100644 Makefile

diff --git a/GNUmakefile b/GNUmakefile
new file mode 100644
index 0000000..3a63f69
--- /dev/null
+++ b/GNUmakefile
@@ -0,0 +1,53 @@
+.PHONY: check clean serve watch push-fonts
+
+# Source- and destination files
+srcs := $(shell find src -type f -not -name '*.gsp' -or -name 'index.gsp')
+dsts := $(srcs:src/%=out/%)
+dsts := $(dsts:%.gsp=%.html)
+dsts := $(dsts:%.dot=%.svg)
+
+# Destination directories
+dirs := $(sort $(dir $(dsts)))
+
+# Files that most *.gsp files will depend on
+incs := $(wildcard include/*)
+
+all: $(dirs) $(dsts)
+
+$(dirs)&:
+	@mkdir -p $(dirs)
+	@printf 'MKDIR\t%s\n' $(dirs)
+
+out/%: src/%
+	@cp $< $@
+	@printf 'CP\t%s\n' $@
+
+out/%.svg: src/%.dot
+	@dot -Tsvg $< >$@
+	@printf 'DOT\t%s\n' $@
+
+
+# Generate dependencies for GSP pages
+gendeps = $(incs) $(wildcard $(dir $(patsubst out/%.html,src/%.gsp,$1))*.gsp)
+
+.SECONDEXPANSION:
+out/%.html: src/%.gsp $$(call gendeps,$$@)
+	@PATH="$$PATH:./include" \
+	m4 -P $(foreach dir,$(^D),-I$(dir)) include/lib.m4 $< | gsp >$@
+	@printf 'GSP\t%s\n' "$@"
+
+check:
+	LANG=en_US.UTF-8 find src -name 'index.gsp' -exec \
+	     aspell --home-dir=./ --ignore-case check {} \;
+
+clean:
+	rm -rf out
+
+serve:
+	darkhttpd out --daemon
+
+watch:
+	git ls-files | entr make
+
+push-fonts:
+	rsync -a fonts vps:/var/www/www.thomasvoss.com/out/
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 6acdb36..0000000
--- a/Makefile
+++ /dev/null
@@ -1,62 +0,0 @@
-.PHONY: check clean serve
-
-gendeps   = $(filter-out %/index.gsp,$(wildcard $1/*))
-fonts    := $(wildcard fonts/*)
-includes := $(wildcard include/*)
-srcdirs  := $(shell find src -type d)
-outdirs  := $(srcdirs:src%=out%)
-sources  := $(shell find src -type f -regextype egrep -regex '.*/(index\.gsp|.*\.(css|svg|png|dot))')
-outputs  := $(sources:src/%=out/%)
-outputs  := $(outputs:%.gsp=%.html)
-outputs  := $(outputs:%.dot=%.svg)
-
-all: $(outdirs) out/fonts $(outputs)
-
-out/fonts: $(fonts)
-	@cp -r fonts out
-	@printf 'CP\tfonts\n'
-
-$(outdirs):
-	@mkdir -p $@
-	@printf 'MKDIR\t%s\n' "$@"
-
-out/%: src/%
-	@cp $< $@
-	@printf 'CP\t%s\n' "$@"
-
-out/%.svg: src/%.dot
-	@dot -Tsvg $< >$@
-	@printf 'DOT\t%s\n' "$@"
-
-out/%.html: src/%.gsp $(includes) src/style.css
-	@PATH="$$PATH:./include" \
-	m4 -P $(foreach dir,$(^D),-I$(dir)) include/lib.m4 $< | gsp >$@
-	@printf 'GSP\t%s\n' "$@"
-
-src/srp/fw-ec/index.gsp: $(call gendeps,src/srp/fw-ec)
-	@touch $@
-src/srp/gsp/index.gsp: $(call gendeps,src/srp/gsp)
-	@touch $@
-src/prj/mmv/index.gsp: $(call gendeps,src/prj/mmv)
-	@touch $@
-src/prj/mkpass/index.gsp: $(call gendeps,src/prj/mkpass)
-	@touch $@
-src/prj/totp/index.gsp: $(call gendeps,src/prj/totp)
-	@touch $@
-
-check:
-	LANG=en_US.UTF-8 find src -name 'index.gsp' -exec \
-		aspell --home-dir=./ --ignore-case check {} \;
-
-clean:
-	rm -rf out
-
-serve:
-	darkhttpd out --daemon
-
-watch:
-	git ls-files | entr make
-
-push-fonts:
-	./gen-fonts
-	rsync -a fonts vps:/var/www/www.thomasvoss.com/out/
-- 
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