Makefile for LaTeX compilation via XeTeX and some commands for image processing

Makefile

#!/usr/bin/make -f

SHELL = /bin/sh

# The root directory for all subdirectories
srcdir = .
# The directory where the images are
imagedir = ${srcdir}/images


doc_name = 'thesis'
quality = 'ebook'	# possible options: screen, ebook, printer, prepress


.PHONY: compile
compile:
	xelatex -synctex=1 -interaction=nonstopmode -file-line-error -shell-escape main.tex; \
	biber main; \
	xelatex -synctex=1 -interaction=nonstopmode -file-line-error -shell-escape main.tex; \
	xelatex -synctex=1 -interaction=nonstopmode -file-line-error -shell-escape main.tex;


.PHONY: cleanup
cleanup:
	@echo delete auxiliary files
	@for ext in aux bbl bcf blg lof log_ lot out run.xml synctex.gz tdo toc; \
		do \
		find . -name \*.$${ext} -type f -delete; \
		done; \
	find . \( -name ".DS_Store" -o -name "Thumbs.db" \) -type f -delete; \
	find . -name _minted\* -type d -exec rm -rf {} \;


.PHONY: clear_logs
clear_logs:
	@echo delete log files
	@find . -name \*.log -type f -delete


.PHONY: latex
latex: compile cleanup
	mv ./main.pdf ${doc_name}.pdf


.PHONY: compress
compress:
	gs \
		-dNOPAUSE \
		-dBATCH \
		-sDEVICE=pdfwrite \
		-dPrinted=false \
		-dCompatibilityLevel=1.4 \
		-dPDFSETTINGS=/${quality} \
		-dDownsampleColorImages=true \
		-dColorImageResolution=150 \
		-sOutputFile=${doc_name}_compressed.pdf \
		${doc_name}.pdf
# possible options: screen, ebook, printer, prepress
# -dDownsampleColorImages=true -dColorImageResolution=150
# Alternatively: instead of `gs` use `ps2pdf`



# https://www.digitalocean.com/community/tutorials/how-to-use-makefiles-to-automate-repetitive-tasks-on-an-ubuntu-vps
.SUFFIXES: .jpg .jpeg .png .pdf

JPEG=$(wildcard ${imagedir}/*.jpg ${imagedir}/*.jpeg)		# find all JPG and JPEG files
JPG=$(JPEG:.jpeg=.jpg)										# internally rename all JPEG to JPG
PDF=$(wildcard ${imagedir}/*.pdf) 							# find all PDF files
jpg2png=$(JPG:.jpg=.png)									# naming rule for JPG to PNG conversion
pdf2png=$(PDF:.pdf=.png)									# naming rule for PDF to PNG conversion

.PHONY: clear_images
clear_images:
	@echo remove all PNG files in ${imagedir} which have a PDF or JPG parent
	@rm -f ${pdf2png}
	@rm -f ${jpg2png}


.PHONY: convert
convert: $(jpg2png) $(pdf2png)
	@echo ---
	@echo finished conversion


# rule for converting JPG and PDF to PNG
# compare compression result and delete PNG if result is bad
.jpeg.png .jpg.png .pdf.png:
	@convert $< -resize 800x800 -quality 85% $@
	@echo converted $<
	@COMP=$$((`stat -c%s "$<"`/`stat -c%s "$@"`)); [ $$COMP -lt 2 ] && echo "\tbad compression: remove $@" && rm $@ || true


.PHONY: figures
# clears all PNGs with a JPG or PDF parent, crops PDF files, converts to PNG, and crops PNGs
figures: clear_images crop_pdf convert crop_png
	@echo ---
	@echo finished creating figures


.PHONY: crop_pdf
crop_pdf:
	@echo
	@echo crop all pdf files in ${imagedir}
	@for file in `find ${imagedir}/ -iname "*.pdf" -type f`; \
		do \
			pdfcrop $${file} $${file}; \
		done;


.PHONY: crop_png
crop_png:
	@echo
	@echo crop all png files in ${imagedir}
	@for file in `find ${imagedir}/ -iname "*.png" -type f`; \
		do \
			echo crop $${file}; \
			convert $${file} -trim $${file}; \
		done;