GH-426 Fix issues seen with libff when trying to use mandel with mand…

…el.cdt.

Update CMakeLists.txt to create a parallel mandel-config.cmake for use until mandel goes through renaming.

Update path to libff in fc libraries when using build from src.

Add install directions for current mandel use with mandel.cdt (or others).

CMakeLists.txt

@@ -193,11 +193,14 @@ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/eosio.version.hpp DESTINATION ${CMAKE_
 
 set(EOS_ROOT_DIR ${CMAKE_BINARY_DIR})
 configure_file(${CMAKE_SOURCE_DIR}/CMakeModules/eosio-config.cmake.in ${CMAKE_BINARY_DIR}/lib/cmake/eosio/eosio-config.cmake @ONLY)
+configure_file(${CMAKE_SOURCE_DIR}/CMakeModules/eosio-config.cmake.in ${CMAKE_BINARY_DIR}/lib/cmake/eosio/mandel-config.cmake @ONLY)
 configure_file(${CMAKE_SOURCE_DIR}/CMakeModules/EosioTesterBuild.cmake.in ${CMAKE_BINARY_DIR}/lib/cmake/eosio/EosioTester.cmake @ONLY)
 
 set(EOS_ROOT_DIR ${CMAKE_INSTALL_PREFIX})
 configure_file(${CMAKE_SOURCE_DIR}/CMakeModules/eosio-config.cmake.in ${CMAKE_BINARY_DIR}/modules/eosio-config.cmake @ONLY)
+configure_file(${CMAKE_SOURCE_DIR}/CMakeModules/eosio-config.cmake.in ${CMAKE_BINARY_DIR}/modules/mandel-config.cmake @ONLY)
 install(FILES ${CMAKE_BINARY_DIR}/modules/eosio-config.cmake DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR}/cmake/eosio COMPONENT dev EXCLUDE_FROM_ALL)
+install(FILES ${CMAKE_BINARY_DIR}/modules/mandel-config.cmake DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR}/cmake/mandel COMPONENT dev EXCLUDE_FROM_ALL)
 configure_file(${CMAKE_SOURCE_DIR}/CMakeModules/EosioTester.cmake.in ${CMAKE_BINARY_DIR}/modules/EosioTester.cmake @ONLY)
 install(FILES ${CMAKE_BINARY_DIR}/modules/EosioTester.cmake DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR}/cmake/eosio COMPONENT dev EXCLUDE_FROM_ALL)
 

CMakeModules/EosioTesterBuild.cmake.in

@@ -60,7 +60,7 @@ else()
    find_library(libsecp256k1 secp256k1 @CMAKE_BINARY_DIR@/libraries/fc/secp256k1 NO_DEFAULT_PATH)
 endif()
 
-find_library(libff ff @CMAKE_BINARY_DIR@/libraries/fc/libraries/ff NO_DEFAULT_PATH)
+find_library(libff ff @CMAKE_BINARY_DIR@/libraries/fc/libraries/ff/libff NO_DEFAULT_PATH)
 find_library(libwasm WASM @CMAKE_BINARY_DIR@/libraries/wasm-jit/Source/WASM NO_DEFAULT_PATH)
 find_library(libwast WAST @CMAKE_BINARY_DIR@/libraries/wasm-jit/Source/WAST NO_DEFAULT_PATH)
 find_library(libir IR     @CMAKE_BINARY_DIR@/libraries/wasm-jit/Source/IR NO_DEFAULT_PATH)

README.md

@@ -64,6 +64,18 @@ We support the following CMake options:
 
 I highly recommend the ccache options. They don't speed up the first clean build, but they speed up future clean builds after the first build.
 
+### Installing for use with mandel.cdt (or others)
+
+```
+git submodule update --init --recursive
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release ..
+make -j $(nproc)
+make install
+cmake --install . --component dev
+```
+
 ### Running tests
 
 ```