makefiles-forever/graphviz.mk

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# SPDX-License-Identifier: LGPL-3.0-or-later
#
# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
##
## GRAPHVIZ MODULE
##
##
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## External variables influencing build process (API)
##
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GRAPHVIZ_SRC_DIR ?=
GRAPHVIZ_DEST_DIR ?=
##
## Internal variables
##
## Find .dot graphs
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GRAPHVIZ_DOT := $(shell find $(GRAPHVIZ_SRC_DIR) \( -name '*.dot' ! -name '_*' \))
GRAPHVIZ_DOT_SVG := $(patsubst $(GRAPHVIZ_SRC_DIR)/%.dot,$(GRAPHVIZ_DEST_DIR)/%.dot.svg,$(GRAPHVIZ_DOT))
GRAPHVIZ_DOT_PNG := $(patsubst $(GRAPHVIZ_SRC_DIR)/%.dot,$(GRAPHVIZ_DEST_DIR)/%.dot.png,$(GRAPHVIZ_DOT))
GRAPHVIZ_DOT_PDF := $(patsubst $(GRAPHVIZ_SRC_DIR)/%.dot,$(GRAPHVIZ_DEST_DIR)/%.dot.pdf,$(GRAPHVIZ_DOT))
## Find .circo graphs
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GRAPHVIZ_CIRCO := $(shell find $(GRAPHVIZ_SRC_DIR) \( -name '*.circo' ! -name '_*' \))
GRAPHVIZ_CIRCO_SVG := $(patsubst $(GRAPHVIZ_SRC_DIR)/%.circo,$(GRAPHVIZ_DEST_DIR)/%.circo.svg,$(GRAPHVIZ_CIRCO))
GRAPHVIZ_CIRCO_PNG := $(patsubst $(GRAPHVIZ_SRC_DIR)/%.circo,$(GRAPHVIZ_DEST_DIR)/%.circo.png,$(GRAPHVIZ_CIRCO))
GRAPHVIZ_CIRCO_PDF := $(patsubst $(GRAPHVIZ_SRC_DIR)/%.circo,$(GRAPHVIZ_DEST_DIR)/%.circo.pdf,$(GRAPHVIZ_CIRCO))
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GRAPHVIZ_SVG := $(GRAPHVIZ_DOT_SVG) $(GRAPHVIZ_CIRCO_SVG)
GRAPHVIZ_PNG := $(GRAPHVIZ_DOT_PNG) $(GRAPHVIZ_CIRCO_PNG)
GRAPHVIZ_PDF := $(GRAPHVIZ_DOT_PDF) $(GRAPHVIZ_CIRCO_PDF)
##
## Prerequisistes (system packages)
##
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GRAPHVIZ_APT_PACKAGES := graphviz
##
## Rules
##
$(GRAPHVIZ_DEST_DIR):
mkdir -p $(GRAPHVIZ_DEST_DIR)
$(GRAPHVIZ_DEST_DIR)/%.dot.svg: $(GRAPHVIZ_SRC_DIR)/%.dot | $(GRAPHVIZ_DEST_DIR)
dot -Tsvg $< > $@
$(GRAPHVIZ_DEST_DIR)/%.circo.svg: $(GRAPHVIZ_SRC_DIR)/%.circo | $(GRAPHVIZ_DEST_DIR)
circo -Tsvg $< > $@
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$(GRAPHVIZ_SVG): | $(GRAPHVIZ_DEST_DIR)
$(GRAPHVIZ_PDF): | $(GRAPHVIZ_DEST_DIR)
$(GRAPHVIZ_PNG): | $(GRAPHVIZ_DEST_DIR)
.PHONY: graphviz-build-dot-svg
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graphviz-build-dot-svg: $(GRAPHVIZ_DOT_SVG)
.PHONY: graphviz-build-circo-svg
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graphviz-build-circo-svg: $(GRAPHVIZ_CIRCO_SVG)
.PHONY: graphviz-build-svg
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graphviz-build-svg: graphviz-build-dot-svg graphviz-build-circo-svg
.PHONY: graphviz-buil
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graphviz-build: graphviz-build-svg
# Clean
#
.PHONY: graphviz-clean-svg
graphviz-clean-svg:
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rm -f $(GRAPHVIZ_SVG)
.PHONY: graphviz-clean-pdf
graphviz-clean-pdf:
rm -f $(GRAPHVIZ_PDF)
.PHONY: graphviz-clean-png
graphviz-clean-png:
rm -f $(GRAPHVIZ_PNG)
.PHONY: graphviz-clean
graphviz-clean: graphviz-clean-svg graphviz-clean-png graphviz-clean-pdf