From 02f28635d316b1f5061329e02273838b16a76fe2 Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@comcast.net>
Date: Fri, 9 Mar 2012 22:24:17 +0000
Subject: [PATCH] Change the backends() routine so it only gives us backends
 that are appropriate for the current document.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40899 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/BufferParams.cpp | 17 ++++++++++++-----
 src/BufferParams.h   |  3 ++-
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index 2c97acef6b..81a13bdb2b 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -2133,17 +2133,24 @@ bool BufferParams::isExportableFormat(string const & format) const
 vector<string> BufferParams::backends() const
 {
 	vector<string> v;
-	v.push_back(bufferFormat());
+	string const buffmt = bufferFormat();
+
 	// FIXME: Don't hardcode format names here, but use a flag
-	if (v.back() == "latex") {
-		v.push_back("pdflatex");
+	if (buffmt == "latex") {
+		if (!useNonTeXFonts) {
+			v.push_back("pdflatex");
+			v.push_back("latex");
+		}
 		v.push_back("luatex");
 		v.push_back("dviluatex");
 		v.push_back("xetex");
-	} else if (v.back() == "xetex") {
+	} else if (buffmt == "xetex") {
+		v.push_back("xetex");
 		v.push_back("luatex");
 		v.push_back("dviluatex");
-	}
+	} else
+		v.push_back(buffmt);
+
 	v.push_back("xhtml");
 	v.push_back("text");
 	v.push_back("lyx");
diff --git a/src/BufferParams.h b/src/BufferParams.h
index 7280506a09..772f42de84 100644
--- a/src/BufferParams.h
+++ b/src/BufferParams.h
@@ -176,7 +176,8 @@ public:
 	std::vector<Format const *> exportableFormats(bool only_viewable) const;
 	///
 	bool isExportableFormat(std::string const & format) const;
-	///
+	/// the backends appropriate for use with this document.
+	/// so, e.g., latex is excluded , if we're using non-TeX fonts
 	std::vector<std::string> backends() const;
 
 	/// List of included children (for includeonly)