From 163c3e976d223e06c7e48e0ba9c3f0534ac036c1 Mon Sep 17 00:00:00 2001
From: Tikhon Tarnavsky <t.t@unixforum.org>
Date: Tue, 1 Mar 2011 18:39:59 +0200
Subject: [PATCH] Makefile: separate targets for each language, book-??.*

Use 'make en', 'make ru', etc. for a single language, and 'make' or 'make all' for all languages at once.
---
 .gitignore | 11 +++++------
 Makefile   | 51 ++++++++++++++++++++++++++-------------------------
 makeover   |  4 ++--
 3 files changed, 33 insertions(+), 33 deletions(-)

diff --git a/.gitignore b/.gitignore
index 49ba2e5..6c4ae38 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
-
-book.html
-book.pdf
-book.xml
-book/
-conf
+/book-??.html
+/book-??.pdf
+/book-??.xml
+/book-??/
+/conf
diff --git a/Makefile b/Makefile
index 017889f..19215ea 100644
--- a/Makefile
+++ b/Makefile
@@ -1,39 +1,40 @@
-# The language we are building.
-# For example, Run "make LANG=es" to build the Spanish edition.
-LANG := en
+# The availaible translation languages.
+# When starting a new translation, add a language code here.
+TRANSLATIONS = de es fr ru
+LANGS = en $(TRANSLATIONS)
 SHELL := /bin/bash
 
-.PHONY: target clean sync push
+.PHONY: all clean sync public $(LANGS)
 
-target: book book/default.css book.html book.pdf
+all: $(LANGS)
+
+$(LANGS): %: book-% book-%/default.css book-%.html book-%.pdf
 
 # The book consists of these text files in the following order:
 
 TXTFILES := preface.txt intro.txt basic.txt clone.txt branch.txt history.txt \
     multiplayer.txt grandmaster.txt secrets.txt drawbacks.txt translate.txt
 
-book.xml: $(addprefix $(LANG)/,$(TXTFILES))
+$(foreach l,$(LANGS),book-$(l).xml): book-%.xml: $(addprefix %/,$(TXTFILES))
 	# Concatenate the text files and feed to AsciiDoc.
 	# If a file has not yet been translated for the target language,
 	# then substitute the English version.
 	# Kludge to support any translation of "Preface".
 	echo '[specialsections]' > conf ; \
-	if [ $(LANG) != ru ]; then \
-	sed -n '/^== .* ==$$/p' $(LANG)/preface.txt | sed 's/^== \(.*\) ==$$/^\1$$=preface/' >> conf ; \
+	if [ $* != ru ]; then \
+	sed -n '/^== .* ==$$/p' $*/preface.txt | sed 's/^== \(.*\) ==$$/^\1$$=preface/' >> conf ; \
 	else \
 	cp lang-ru.conf conf ; fi ; \
 	( for FILE in $^ ; do if [ -f $$FILE ]; then cat $$FILE; else \
 	cat en/$$(basename $$FILE); fi; echo ; done ) | \
-	asciidoc -a lang=$(LANG) -d book -b docbook -f conf - > $@
+	asciidoc -a lang=$* -d book -b docbook -f conf - > $@
 
 # This rule allows unfinished translations to build.
 # Report an error if the English version of the text file is missing.
-$(addprefix $(LANG)/,$(TXTFILES)) :
-ifeq ($(LANG),en)
+$(addprefix en/,$(TXTFILES)):
 	@if [ ! -f $@ ]; then echo English file missing: $@; exit 123; fi
-else
+$(foreach l,$(TRANSLATIONS),$(addprefix $(l)/,$(TXTFILES))):
 	@if [ ! -f $@ ]; then echo $@ missing: using English version; fi
-endif
 
 # Ignore tidy's exit code because Asciidoc generates section IDs beginning with
 # "_", which xmlto converts to "id" attributes of <a> tags. The standard
@@ -43,27 +44,27 @@ endif
 # When Asciidoc 8.3.0+ is widespread, I'll use its idprefix attribute instead
 # of ignoring return codes.
 
-book: book.xml
-	xmlto -m custom-html.xsl -o book html book.xml
-	sed -i 's/xmlns:fo[^ ]*//g' book/*.html
-	-ls book/*.html | xargs -n 1 tidy -utf8 -m -i -q
-	./makeover
+$(foreach l,$(LANGS),book-$(l)): book-%: book-%.xml
+	xmlto -m custom-html.xsl -o book-$* html book-$*.xml
+	sed -i 's/xmlns:fo[^ ]*//g' book-$*/*.html
+	-ls book-$*/*.html | xargs -n 1 tidy -utf8 -m -i -q
+	./makeover $*
 
-book/default.css: book.css
-	-mkdir book
-	rsync book.css book/default.css
+$(foreach l,$(LANGS),book-$(l)/default.css): book-%/default.css: book.css
+	-mkdir book-$*
+	rsync book.css book-$*/default.css
 
-book.html: book.xml
+$(foreach l,$(LANGS),book-$(l).html): book-%.html: book-%.xml
 	xmlto -m custom-nochunks.xsl html-nochunks $^
 	-tidy -utf8 -imq $@
 
 # Set SP_ENCODING to avoid "non SGML character" errors.
 # Can also do SP_ENCODING="UTF-8".
-book.pdf: book.xml
-	SP_ENCODING="XML" docbook2pdf book.xml
+$(foreach l,$(LANGS),book-$(l).pdf): book-%.pdf: book-%.xml
+	SP_ENCODING="XML" docbook2pdf book-$*.xml
 
 clean:
-	-rm -rf book.xml book.html book
+	-rm -rf $(foreach l,$(LANGS),book-$(l).pdf book-$(l).xml book-$(l).html book-$(l))
 
 sync: target
 	rsync -r book.html book.pdf book/* blynn@xenon.stanford.edu:www/gitmagic/intl/$(LANG)/
diff --git a/makeover b/makeover
index f48080e..7678861 100755
--- a/makeover
+++ b/makeover
@@ -1,9 +1,9 @@
 #!/bin/bash
 
 # Extract table of contents from index.html and delete preface link.
-BOOKDIR=book
+BOOKDIR=book-$1
 TITLE="Git Magic"
-case $LANG in
+case $1 in
     ru)
         TITLE="Магия Git"
         ;;
-- 
2.11.4.GIT