diff --git a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
index 5c0ad23cc6be1ab41f7673a0d612b4946db4fc53..84c152ffdcd87d1b25d3e1b3c6ce41eefcc50988 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
@@ -76,10 +76,15 @@ QVariantMap CMakeBuildConfiguration::toMap() const
 
 bool CMakeBuildConfiguration::fromMap(const QVariantMap &map)
 {
+    if (!BuildConfiguration::fromMap(map))
+        return false;
+
     m_msvcVersion = map.value(QLatin1String(MSVC_VERSION_KEY)).toString();
     m_buildDirectory = map.value(QLatin1String(BUILD_DIRECTORY_KEY), cmakeTarget()->defaultBuildDirectory()).toString();
 
-    return BuildConfiguration::fromMap(map);
+    environment().set("BUILDDIR", m_buildDirectory);
+
+    return true;
 }
 
 CMakeBuildConfiguration::~CMakeBuildConfiguration()
@@ -137,7 +142,9 @@ void CMakeBuildConfiguration::setBuildDirectory(const QString &buildDirectory)
     if (m_buildDirectory == buildDirectory)
         return;
     m_buildDirectory = buildDirectory;
+    environment().set("BUILDDIR", m_buildDirectory);
     emit buildDirectoryChanged();
+    emit environmentChanged();
 }
 
 QString CMakeBuildConfiguration::msvcVersion() const
diff --git a/src/plugins/projectexplorer/buildconfiguration.cpp b/src/plugins/projectexplorer/buildconfiguration.cpp
index 44f9c084daa42c9ef840f292a530b993577fdb10..03d28f5635b2ded378558685acebdb0b956604c5 100644
--- a/src/plugins/projectexplorer/buildconfiguration.cpp
+++ b/src/plugins/projectexplorer/buildconfiguration.cpp
@@ -34,6 +34,7 @@
 #include "projectexplorer.h"
 #include "projectexplorerconstants.h"
 #include "target.h"
+#include "project.h"
 
 #include <QtCore/QProcess>
 
@@ -144,9 +145,14 @@ Target *BuildConfiguration::target() const
 
 Environment BuildConfiguration::baseEnvironment() const
 {
+    Environment result;
     if (useSystemEnvironment())
-        return Environment(QProcess::systemEnvironment());
-    return Environment();
+        result = Environment(QProcess::systemEnvironment());
+
+    result.set(QLatin1String("BUILDDIR"), QDir::toNativeSeparators(target()->project()->projectDirectory()));
+    result.set(QLatin1String("SOURCEDIR"), QDir::toNativeSeparators(target()->project()->projectDirectory()));
+
+    return result;
 }
 
 QString BuildConfiguration::baseEnvironmentText() const
diff --git a/src/plugins/qt4projectmanager/qt4buildconfiguration.cpp b/src/plugins/qt4projectmanager/qt4buildconfiguration.cpp
index 43ba7dff082b72601758f1cb9bc6c20889f90322..0517dd06a868fba380fbb5010feee37face0d81b 100644
--- a/src/plugins/qt4projectmanager/qt4buildconfiguration.cpp
+++ b/src/plugins/qt4projectmanager/qt4buildconfiguration.cpp
@@ -165,6 +165,7 @@ bool Qt4BuildConfiguration::fromMap(const QVariantMap &map)
         qWarning() << "No toolchain available for" << qtVersion()->displayName() << "used in" << target()->id() << "!";
         return false;
     }
+
     return true;
 }
 
@@ -197,6 +198,8 @@ ProjectExplorer::Environment Qt4BuildConfiguration::baseEnvironment() const
 {
     Environment env = BuildConfiguration::baseEnvironment();
     qtVersion()->addToEnvironment(env);
+    env.set(QLatin1String("BUILDDIR"), QDir::toNativeSeparators(buildDirectory()));
+
     ToolChain *tc = toolChain();
     if (tc)
         tc->addToEnvironment(env);
@@ -265,6 +268,8 @@ void Qt4BuildConfiguration::setShadowBuildAndDirectory(bool shadowBuild, const Q
 
     m_shadowBuild = toSet;
     m_buildDirectory = directoryToSet;
+
+    emit environmentChanged();
     emit buildDirectoryChanged();
     emit proFileEvaluateNeeded(this);
 }