message: Updated how fc/CMakeLists.txt interacts with FindSecp256k1.cmake.
  Static (archive) library should be used
  libgmp dependency needs to be accounted for
  - this is probably not in the right place?
  - future work: should libgmp also be static?
diff: @@ -9,17 +9,6 @@ SET( CMAKE_DEBUG_POSTFIX _debug )
  SET( BUILD_SHARED_LIBS NO )
  SET( ECC_IMPL secp256k1 CACHE STRING "secp256k1 or openssl or mixed" )
  -
  -IF(NOT "$ENV{SECP256K1_ROOT_DIR}" STREQUAL "")
  - set(SECP256K1_ROOT_DIR $ENV{SECP256K1_ROOT_DIR} )
  - set(SECP256K1_INCLUDE_DIR ${SECP256K1_ROOT_DIR}/include)
  -ELSE()
  - SET( SECP256K1_INCLUDE_DIR /usr/local/include )
  - SET( SECP256K1_ROOT_DIR /usr/local )
  -ENDIF()
  -
  -message(STATUS "Setting up SECP256K1 root and include vars to ${SECP256K1_ROOT_DIR}, ${SECP256K1_INCLUDE_DIR}")
  -
  set(platformBitness 32)
  if(CMAKE_SIZEOF_VOID_P EQUAL 8)
  set(platformBitness 64)
  @@ -30,7 +19,7 @@ SET (ORIGINAL_LIB_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
  IF( ECC_IMPL STREQUAL openssl )
  SET( ECC_REST src/crypto/elliptic_impl_pub.cpp )
  ELSE( ECC_IMPL STREQUAL openssl )
  - SET( ECC_LIB secp256k1 )
  + SET( ECC_LIB ${Secp256k1_LIBRARY} gmp )
  IF( ECC_IMPL STREQUAL mixed )
  SET( ECC_REST src/crypto/elliptic_impl_priv.cpp src/crypto/elliptic_impl_pub.cpp )
  ELSE( ECC_IMPL STREQUAL mixed )
  @@ -158,7 +147,7 @@ target_include_directories(fc
  PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include
  ${Boost_INCLUDE_DIR}
  ${OPENSSL_INCLUDE_DIR}
  - ${SECP256K1_INCLUDE_DIR}
  + ${Secp256k1_INCLUDE_DIR}
  ${CMAKE_CURRENT_SOURCE_DIR}/vendor/websocketpp
  PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}
  