Use bundled cURL by default again until bug is fixed

libcpr/cpr#696

Author: TheAssassin

lib/CMakeLists.txt

@@ -17,9 +17,10 @@ if(NOT USE_SYSTEM_CPR)
     # long term goal is to replace the submodule in some way, e.g., by using prebuilt cpr binaries
     set(BUILD_SHARED_LIBS OFF)
 
-    # there is no need to build our own libcurl
-    # in fact, building it as a static lib creates a whole circus of problems, and also takes time
-    set(CPR_FORCE_USE_SYSTEM_CURL ON)
+    # cannot use system cURL on bionic at the moment, PR with fix sent: https://github.com/libcpr/cpr/pull/696
+    ## there is no need to build our own libcurl
+    ## in fact, building it as a static lib creates a whole circus of problems, and also takes time
+    #set(CPR_FORCE_USE_SYSTEM_CURL ON)
 
     add_subdirectory(cpr)