--- qt-mac-opensource-src-4.3.3/qmake/generators/mac/pbuilder_pbx.cpp.old	2008-06-23 12:23:17.000000000 -0400
+++ qt-mac-opensource-src-4.3.3/qmake/generators/mac/pbuilder_pbx.cpp	2008-06-23 12:40:22.000000000 -0400
@@ -903,21 +903,25 @@
                     library = fileFixify(library);
                     QString key = keyFor(library);
                     bool is_frmwrk = (library.endsWith(".framework"));
-                    t << "\t\t" << key << " = {" << "\n"
-                      << "\t\t\t" << writeSettings("isa", (is_frmwrk ? "PBXFrameworkReference" : "PBXFileReference"), SettingsNoQuote) << ";" << "\n"
-                      << "\t\t\t" << writeSettings("name", escapeFilePath(name)) << ";" << "\n"
-                      << "\t\t\t" << writeSettings("path", escapeFilePath(library)) << ";" << "\n"
-                      << "\t\t\t" << writeSettings("refType", QString::number(reftypeForFile(library)), SettingsNoQuote) << ";" << "\n"
-                      << "\t\t" << "};" << "\n";
-                    project->values("QMAKE_PBX_LIBRARIES").append(key);
-                    QString build_key = keyFor(library + ".BUILDABLE");
-                    t << "\t\t" << build_key << " = {" << "\n"
-                      << "\t\t\t" << writeSettings("fileRef", key) << ";" << "\n"
-                      << "\t\t\t" << writeSettings("isa", "PBXBuildFile", SettingsNoQuote) << ";" << "\n"
-                      << "\t\t\t" << "settings = {" << "\n"
-                      << "\t\t\t" << "};" << "\n"
-                      << "\t\t" << "};" << "\n";
-                    project->values("QMAKE_PBX_BUILD_LIBRARIES").append(build_key);
+                    bool is_sdk = (library.endsWith(".sdk"));
+                    if (!is_sdk)
+                    {
+                       t << "\t\t" << key << " = {" << "\n"
+                         << "\t\t\t" << writeSettings("isa", (is_frmwrk ? "PBXFrameworkReference" : "PBXFileReference"), SettingsNoQuote) << ";" << "\n"
+                         << "\t\t\t" << writeSettings("name", escapeFilePath(name)) << ";" << "\n"
+                         << "\t\t\t" << writeSettings("path", escapeFilePath(library)) << ";" << "\n"
+                         << "\t\t\t" << writeSettings("refType", QString::number(reftypeForFile(library)), SettingsNoQuote) << ";" << "\n"
+                         << "\t\t" << "};" << "\n";
+                       project->values("QMAKE_PBX_LIBRARIES").append(key);
+                       QString build_key = keyFor(library + ".BUILDABLE");
+                       t << "\t\t" << build_key << " = {" << "\n"
+                         << "\t\t\t" << writeSettings("fileRef", key) << ";" << "\n"
+                         << "\t\t\t" << writeSettings("isa", "PBXBuildFile", SettingsNoQuote) << ";" << "\n"
+                         << "\t\t\t" << "settings = {" << "\n"
+                         << "\t\t\t" << "};" << "\n"
+                         << "\t\t" << "};" << "\n";
+                       project->values("QMAKE_PBX_BUILD_LIBRARIES").append(build_key);
+                   }
                 }
                 if(remove)
                     tmp.removeAt(x);