docs: Makefile tidying

examples and dots are now orthogonal.

docs/Makefile

@@ -238,7 +238,7 @@ Makefile-%: FORCE
 	$(MAKE) -C $(@D) $(*F)
 
 CODE_EXAMPLES := $(wildcard source/code_examples/*/Makefile)
-TEST_EXAMPLES := $(addsuffix -all,$(CODE_EXAMPLES))
+TEST_EXAMPLES := $(addsuffix -examples,$(CODE_EXAMPLES))
 CLEAN_EXAMPLES := $(addsuffix -clean,$(CODE_EXAMPLES))
 test-examples: $(TEST_EXAMPLES)
 clean-examples: $(CLEAN_EXAMPLES)

docs/source/code_examples/extensions/Makefile

@@ -2,9 +2,10 @@ PROGRAM_PREFIX :=
 
 YOSYS ?= ../../../../$(PROGRAM_PREFIX)yosys
 
-.PHONY: all dots
-all: dots test0.log test1.log test2.log
+.PHONY: all dots examples
+all: dots examples
 dots: test1.dot
+examples: test0.log test1.log test2.log
 
 CXXFLAGS=$(shell $(YOSYS)-config --cxxflags)
 DATDIR=$(shell $(YOSYS)-config --datdir)

docs/source/code_examples/fifo/Makefile

@@ -10,8 +10,10 @@ MAPDOT_NAMES += rdata_map_ffs rdata_map_luts rdata_map_cells
 DOTS := $(addsuffix .dot,$(DOT_NAMES))
 MAPDOTS := $(addsuffix .dot,$(MAPDOT_NAMES))
 
-all: dots fifo.out fifo.stat
+.PHONY: all dots examples
+all: dots examples
 dots: $(DOTS) $(MAPDOTS)
+examples: fifo.out fifo.stat
 
 $(DOTS) fifo.out: fifo.v fifo.ys
 	$(YOSYS) fifo.ys -l fifo.out -Q -T

docs/source/code_examples/intro/Makefile

@@ -4,8 +4,10 @@ YOSYS ?= ../../../../$(PROGRAM_PREFIX)yosys
 
 DOTS = counter_00.dot counter_01.dot counter_02.dot counter_03.dot
 
-all: dots
+.PHONY: all dots examples
+all: dots examples
 dots: $(DOTS)
+examples:
 
 $(DOTS): counter.v counter.ys mycells.lib
 	$(YOSYS) counter.ys

docs/source/code_examples/macc/Makefile

@@ -4,8 +4,10 @@ YOSYS ?= ../../../../$(PROGRAM_PREFIX)yosys
 
 DOTS = macc_simple_xmap.dot macc_xilinx_xmap.dot
 
-all: dots
+.PHONY: all dots examples
+all: dots examples
 dots: $(DOTS)
+examples:
 
 macc_simple_xmap.dot: macc_simple_*.v macc_simple_test.ys
 	$(YOSYS) macc_simple_test.ys

docs/source/code_examples/opt/Makefile

@@ -6,13 +6,13 @@ DOT_NAMES = opt_share opt_muxtree opt_merge opt_expr
 
 DOTS := $(addsuffix .dot,$(DOT_NAMES))
 
-all: dots
+.PHONY: all dots examples
+all: dots examples
 dots: $(DOTS)
+examples:
 
-%_full.dot: %.ys
+%.dot: %.ys
 	$(YOSYS) $<
-
-%.dot: %_full.dot
 	gvpack -u -o $@ $*_full.dot
 
 .PHONY: clean

docs/source/code_examples/scrambler/Makefile

@@ -2,9 +2,10 @@ PROGRAM_PREFIX :=
 
 YOSYS ?= ../../../../$(PROGRAM_PREFIX)yosys
 
-.PHONY: all dots
-all: dots
+.PHONY: all dots examples
+all: dots examples
 dots: scrambler_p01.dot scrambler_p02.dot
+examples:
 
 scrambler_p01.dot scrambler_p02.dot: scrambler.ys scrambler.v
 	$(YOSYS) scrambler.ys

docs/source/code_examples/selections/Makefile

@@ -11,9 +11,10 @@ MEMDEMO_DOTS := $(addsuffix .dot,$(MEMDEMO))
 SUBMOD = submod_00 submod_01 submod_02 submod_03
 SUBMOD_DOTS := $(addsuffix .dot,$(SUBMOD))
 
-.PHONY: all dots
-all: dots
+.PHONY: all dots examples
+all: dots examples
 dots: select.dot $(SUMPROD_DOTS) $(MEMDEMO_DOTS) $(SUBMOD_DOTS)
+examples:
 
 select.dot: select.v select.ys
 	$(YOSYS) select.ys

docs/source/code_examples/show/Makefile

@@ -8,9 +8,10 @@ EXAMPLE_DOTS := $(addsuffix .dot,$(EXAMPLE))
 CMOS = cmos_00 cmos_01
 CMOS_DOTS := $(addsuffix .dot,$(CMOS))
 
-.PHONY: all dots
-all: dots example.out
+.PHONY: all dots examples
+all: dots examples
 dots: splice.dot $(EXAMPLE_DOTS) $(CMOS_DOTS)
+examples: example.out
 
 splice.dot: splice.v
 	$(YOSYS) -p 'prep -top splice_demo; show -format dot -prefix splice' splice.v

docs/source/code_examples/stubnets/Makefile

@@ -1,6 +1,7 @@
-.PHONY: all dots
-all: dots
+.PHONY: all dots examples
+all: dots examples
 dots:
+examples:
 
 .PHONY: test
 test: stubnets.so

docs/source/code_examples/synth_flow/Makefile

@@ -9,9 +9,10 @@ YOSYS ?= ../../../../$(PROGRAM_PREFIX)yosys
 
 DOTS = $(addsuffix .dot,$(DOT_TARGETS))
 
-.PHONY: all dots
-all: dots
+.PHONY: all dots examples
+all: dots examples
 dots: $(DOTS)
+examples:
 
 %.dot: %.v %.ys
 	$(YOSYS) -p 'script $*.ys; show -notitle -prefix $* -format dot'

docs/source/code_examples/techmap/Makefile

@@ -2,9 +2,10 @@ PROGRAM_PREFIX :=
 
 YOSYS ?= ../../../../$(PROGRAM_PREFIX)yosys
 
-.PHONY: all dots
-all: dots
+.PHONY: all dots examples
+all: dots examples
 dots: red_or3x1.dot sym_mul.dot mymul.dot mulshift.dot addshift.dot
+examples:
 
 red_or3x1.dot: red_or3x1_*
 	$(YOSYS) red_or3x1_test.ys