Fix build with GNU libstdc++ C++11 ABI

[lyx.git] / src / BufferParams.cpp

diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index 5cf529c430df28eff78d1029bca3d79ec3c1eee1..a12a2860dc037d4c7d87a068b998180c278e5ded 100644 (file)
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -634,7 +634,7 @@ string BufferParams::readToken(Lexer & lex, string const & token,
                                                 "See section 3.1.2.2 (Class Availability) of the\n"
                                                 "User's Guide for more information."), desc, prereqs);
                        frontend::Alert::warning(_("Document class not available"),
-                                      msg);
+                                      msg, true);
                }
        } else if (token == "\\begin_preamble") {
                readPreamble(lex);
@@ -1326,6 +1326,11 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        // are doing!
        if (features.mustProvide("fix-cm"))
                os << "\\RequirePackage{fix-cm}\n";
+       // Likewise for fixltx2e. If other packages conflict with this policy,
+       // treat it as a package bug (and report it!)
+       // See http://www.latex-project.org/cgi-bin/ltxbugs2html?pr=latex/4407
+       if (features.mustProvide("fixltx2e"))
+               os << "\\RequirePackage{fixltx2e}\n";
 
        os << "\\documentclass";
 
@@ -1494,18 +1499,8 @@ bool BufferParams::writeLaTeX(otexstream & os, LaTeXFeatures & features,
        // XeTeX and LuaTeX (with OS fonts) do not need fontenc
        if (!useNonTeXFonts && !features.isProvided("fontenc")
            && font_encoding() != "default") {
-               vector<string> fontencs;
-               // primary language font encoding and default encoding
-               if (ascii_lowercase(language->fontenc()) != "none") {
-                       vector<string> fencs = getVectorFromString(font_encoding());
-                       fontencs.insert(fontencs.end(), fencs.begin(), fencs.end());
-                       fencs = getVectorFromString(language->fontenc());
-                       vector<string>::const_iterator fit = fencs.begin();
-                       for (; fit != fencs.end(); ++fit) {
-                               if (find(fontencs.begin(), fontencs.end(), *fit) == fontencs.end())
-                                       fontencs.push_back(*fit);
-                       }
-               }
+               // get main font encodings
+               vector<string> fontencs = font_encodings();
                // get font encodings of secondary languages
                features.getFontEncodings(fontencs);
                if (!fontencs.empty()) {
@@ -2757,7 +2752,31 @@ string const BufferParams::dvips_options() const
 
 string const BufferParams::font_encoding() const
 {
-       return (fontenc == "global") ? lyxrc.fontenc : fontenc;
+       return font_encodings().empty() ? "default" : font_encodings().back();
+}
+
+
+vector<string> const BufferParams::font_encodings() const
+{
+       string doc_fontenc = (fontenc == "global") ? lyxrc.fontenc : fontenc;
+
+       vector<string> fontencs;
+
+       // "default" means "no explicit font encoding"
+       if (doc_fontenc != "default") {
+               fontencs = getVectorFromString(doc_fontenc);
+               if (!language->fontenc().empty()
+                   && ascii_lowercase(language->fontenc()) != "none") {
+                       vector<string> fencs = getVectorFromString(language->fontenc());
+                       vector<string>::const_iterator fit = fencs.begin();
+                       for (; fit != fencs.end(); ++fit) {
+                               if (find(fontencs.begin(), fontencs.end(), *fit) == fontencs.end())
+                                       fontencs.push_back(*fit);
+                       }
+               }
+       }
+
+       return fontencs;
 }