Use same object files for all packages

There's no need to rebuild the object files for each component. Reusing
them should allow for a faster build.

BUILD/build_deb_local.sh

@@ -44,8 +44,6 @@ if [ "$build_experimental" == "yes" ]
 then
     for component in experimental devel client
     do
-        rm -rf _bild
-	    mkdir _build
 	    cd _build
 	    export LD_LIBRARY_PATH=""
 	    cmake ..  $cmake_flags -DTARGET_COMPONENT=$component

BUILD/build_rpm_local.sh

@@ -39,8 +39,6 @@ if [ "$build_experimental" == "yes" ]
 then
     for component in experimental devel client
     do
-        sudo rm -rf _build
-        mkdir _build
         cd _build
         cmake ..  $cmake_flags -DTARGET_COMPONENT=$component
         sudo make package