diff --git a/network/misc/libproxy/actions.py b/network/misc/libproxy/actions.py
index a4fc72b381..47d23f7213 100644
--- a/network/misc/libproxy/actions.py
+++ b/network/misc/libproxy/actions.py
@@ -11,18 +11,26 @@ from pisi.actionsapi import get
 
 def setup():
     pisitools.dosed("libproxy/cmake/modules/pacrunner_mozjs.cmk", "mozjs-68", "mozjs-78")
+    shelltools.makedirs("build")
+    shelltools.cd("build")
     cmaketools.configure("-DCMAKE_INSTALL_PREFIX=/usr \
+                          -DBIPR=0 \
                           -DCMAKE_SKIP_RPATH=ON \
-                          -DPERL_VENDORINSTALL=yes \
                           -DCMAKE_BUILD_TYPE=Release \
-                          -DWITH_WEBKIT3=ON \
+                          -DPERL_VENDORINSTALL=yes \
+                          -DWITH_WEBKIT3:BOOL=ON \
                           -DWITH_VALA=yes \
-                          -DWITH_MOZJS=ON")
+                          -DCMAKE_CXX_FLAGS='%s' \
+                          -DCMAKE_C_FLAGS='%s' \
+                          -DWITH_MOZJS:BOOL=ON" % (get.CXXFLAGS(), get.CFLAGS()), sourceDir="..")
 
 def build():
+    shelltools.cd("build")
     cmaketools.make()
 
 def install():
+    shelltools.cd("build")
     cmaketools.rawInstall("DESTDIR=%s" % get.installDIR())
 
+    shelltools.cd("..")
     pisitools.dodoc("README", "ChangeLog", "COPYING")