diff -r 5dc02b23752f -r 3e2da88830cd qmake/generators/mac/pbuilder_pbx.cpp
--- a/qmake/generators/mac/pbuilder_pbx.cpp	Tue Jul 06 15:10:48 2010 +0300
+++ b/qmake/generators/mac/pbuilder_pbx.cpp	Wed Aug 18 10:37:55 2010 +0300
@@ -546,7 +546,7 @@
           << "\t\t\t" << writeSettings("name", "Qt Qmake") << ";" << "\n"
           << "\t\t\t" << writeSettings("neededFileNames", QStringList(), SettingsAsList, 4) << ";" << "\n"
           << "\t\t\t" << writeSettings("shellPath", "/bin/sh") << ";" << "\n"
-          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f " + escapeFilePath(mkfile))) << ";" << "\n"
+          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f '" + escapeFilePath(mkfile) + "'")) << ";" << "\n"
           << "\t\t" << "};" << "\n";
     }
 
@@ -798,7 +798,7 @@
           << "\t\t\t" << writeSettings("name", "Qt Preprocessors") << ";" << "\n"
           << "\t\t\t" << writeSettings("neededFileNames", fixListForOutput("QMAKE_PBX_OBJ"), SettingsAsList, 4) << ";" << "\n"
           << "\t\t\t" << writeSettings("shellPath", "/bin/sh") << ";" << "\n"
-          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f " + escapeFilePath(mkfile))) << ";" << "\n"
+          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f '" + escapeFilePath(mkfile) + "'")) << ";" << "\n"
           << "\t\t" << "};" << "\n";
    }
 
@@ -980,7 +980,7 @@
           << "\t\t\t" << writeSettings("name", "Qt Sublibs") << ";" << "\n"
           << "\t\t\t" << writeSettings("neededFileNames", QStringList(), SettingsAsList, 4) << ";" << "\n"
           << "\t\t\t" << writeSettings("shellPath", "/bin/sh") << "\n"
-          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f " + escapeFilePath(mkfile))) << ";" << "\n"
+          << "\t\t\t" << writeSettings("shellScript", fixForOutput("make -C " + escapeFilePath(qmake_getpwd()) + " -f '" + escapeFilePath(mkfile) + "'")) << ";" << "\n"
           << "\t\t" << "};" << "\n";
     }
     //LIBRARY BUILDPHASE