hopefully fix tex2lyx linking.

[lyx.git] / src / LaTeXFeatures.C

diff --git a/src/LaTeXFeatures.C b/src/LaTeXFeatures.C
index 63dd2abfe606c82ac283b89e86426bb4e8464f56..67f84b996f94b6cdbb4c04a123abffffe15e1f06 100644 (file)
--- a/src/LaTeXFeatures.C
+++ b/src/LaTeXFeatures.C
@@ -277,13 +277,19 @@ string const LaTeXFeatures::getPackages() const
 
        if (isRequired("amsmath")
            && !tclass.provides(LyXTextClass::amsmath)
-           && params_.use_amsmath != BufferParams::AMS_OFF) {
+           && params_.use_amsmath != BufferParams::package_off) {
                packages << "\\usepackage{amsmath}\n";
        }
 
        // wasysym is a simple feature, but it must be after amsmath if both
        // are used
-       if (isRequired("wasysym"))
+       // wasysym redefines some integrals (e.g. iint) from amsmath. That
+       // leads to inconsistent integrals. We only load this package if
+       // esint is used, since esint redefines all relevant integral
+       // symbols from wasysym and amsmath.
+       // See http://bugzilla.lyx.org/show_bug.cgi?id=1942
+       if (isRequired("wasysym") && isRequired("esint") &&
+           params_.use_esint != BufferParams::package_off)
                packages << "\\usepackage{wasysym}\n";
 
        // color.sty
@@ -353,8 +359,14 @@ string const LaTeXFeatures::getPackages() const
        }
 
        // amssymb.sty
-       if (isRequired("amssymb") || params_.use_amsmath == BufferParams::AMS_ON)
+       if (isRequired("amssymb") || params_.use_amsmath == BufferParams::package_on)
                packages << "\\usepackage{amssymb}\n";
+
+       // esint must be after amsmath and wasysym, since it will redeclare
+       // inconsistent integral symbols
+       if (isRequired("esint") && params_.use_esint != BufferParams::package_off)
+               packages << "\\usepackage{esint}\n";
+
        // url.sty
        if (isRequired("url") && ! tclass.provides(LyXTextClass::url))
                packages << "\\IfFileExists{url.sty}{\\usepackage{url}}\n"