Timeout optimized Python build so we can cache partial testing...

src/travis/linux-x86_64-before-install.sh

@@ -66,17 +66,19 @@ else
     echo "running configure with safe and unsafe"
     ./configure $safe_flags $unsafe_flags > /dev/null
   fi
-  make -j$cpucount -s
+  timeout 1800 make -j$cpucount -s
   RESULT=$?
   echo "First make exited with $RESULT"
   if [ $RESULT != 0 ]; then
-    echo "Trying Python compile again without unsafe flags..."
-    make clean
-    ./configure $safe_flags > /dev/null
-    make -j$cpucount -s
+    #echo "Trying Python compile again without unsafe flags..."
+    #make clean
+    #./configure $safe_flags > /dev/null
+    #make -j$cpucount -s
+    echo "Sticking with safe Python for now..."
+  else
+    echo "Installing optimized Python..."
+    make install > /dev/null
   fi
-  echo "Installing Python..."
-  make install > /dev/null
   cd ~
 
   export LD_LIBRARY_PATH=~/ssl/lib:~/python/lib