From 99f0cff51b335b21de2d66070c48bde6987104ee Mon Sep 17 00:00:00 2001
From: Masamichi Hosoda <trueroad@trueroad.jp>
Date: Sat, 9 Jan 2016 21:48:59 +0900
Subject: [PATCH] Issue 4733: Add settings for dblatex can use XeTeX backend

dblatex uses pdfLaTeX engine for generating PDFs.
This commit ensures that it can be selected XeLaTeX
by the configure script.
---
 make/lilypond-book-rules.make | 2 +-
 make/lilypond-book-vars.make  | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/make/lilypond-book-rules.make b/make/lilypond-book-rules.make
index b27aa56e14..3dda429003 100644
--- a/make/lilypond-book-rules.make
+++ b/make/lilypond-book-rules.make
@@ -52,5 +52,5 @@ $(outdir)/%.xml:  %.lyxml
 # Add the xml => pdf rule only if we have dblatex
 ifeq (,$(findstring dblatex,$(MISSING_OPTIONAL)))
 $(outdir)/%.pdf:  $(outdir)/%.xml
-	cd $(outdir) && $(buildscript-dir)/run-and-check "$(DBLATEX) $(notdir $<)" "$*.dblatex.log"
+	cd $(outdir) && $(buildscript-dir)/run-and-check "$(DBLATEX) $(DBLATEX_BACKEND) $(notdir $<)" "$*.dblatex.log"
 endif
diff --git a/make/lilypond-book-vars.make b/make/lilypond-book-vars.make
index f41a0541ff..8d9955b6a4 100644
--- a/make/lilypond-book-vars.make
+++ b/make/lilypond-book-vars.make
@@ -40,6 +40,11 @@ OUT_DOCBOOK_FILES = ${DOCBOOK_FILES:%.lyxml=$(outdir)/%.pdf}
 else
 OUT_DOCBOOK_FILES = ${DOCBOOK_FILES:%.lyxml=$(outdir)/%.xml}
 endif
+ifeq ($(PDFLATEX),xelatex)
+DBLATEX_BACKEND = -b xetex
+else
+DBLATEX_BACKEND =
+endif
 
 OUT_FILES = $(sort $(OUT_HTML_FILES) \
                             $(OUT_HTMLY_FILES) \
-- 
2.39.5