message: build: Drop dead non-pkg-config code for ZMQ check
diff: @@ -1321,16 +1321,6 @@ if test x$use_pkgconfig = xyes; then
  PKG_CHECK_MODULES([EVENT_PTHREADS], [libevent_pthreads >= 2.0.21],, [AC_MSG_ERROR(libevent_pthreads version 2.0.21 or greater not found.)])
  fi
  fi
  -
  - if test "x$use_zmq" = "xyes"; then
  - PKG_CHECK_MODULES([ZMQ],[libzmq >= 4],
  - [AC_DEFINE([ENABLE_ZMQ],[1],[Define to 1 to enable ZMQ functions])],
  - [AC_DEFINE([ENABLE_ZMQ],[0],[Define to 1 to enable ZMQ functions])
  - AC_MSG_WARN([libzmq version 4.x or greater not found, disabling])
  - use_zmq=no])
  - else
  - AC_DEFINE_UNQUOTED([ENABLE_ZMQ],[0],[Define to 1 to enable ZMQ functions])
  - fi
  ]
  )
  else
  @@ -1343,26 +1333,24 @@ else
  fi
  fi
  - if test "x$use_zmq" = "xyes"; then
  - AC_CHECK_HEADER([zmq.h],
  - [AC_DEFINE([ENABLE_ZMQ],[1],[Define to 1 to enable ZMQ functions])],
  - [AC_MSG_WARN([zmq.h not found, disabling zmq support])
  - use_zmq=no
  - AC_DEFINE([ENABLE_ZMQ],[0],[Define to 1 to enable ZMQ functions])])
  - AC_CHECK_LIB([zmq],[zmq_ctx_shutdown],ZMQ_LIBS=-lzmq,
  - [AC_MSG_WARN([libzmq >= 4.0 not found, disabling zmq support])
  - use_zmq=no
  - AC_DEFINE([ENABLE_ZMQ],[0],[Define to 1 to enable ZMQ functions])])
  - else
  - AC_DEFINE_UNQUOTED([ENABLE_ZMQ],[0],[Define to 1 to enable ZMQ functions])
  - fi
  -
  if test x$use_qr != xno; then
  BITCOIN_QT_CHECK([AC_CHECK_LIB([qrencode], [main],[QR_LIBS=-lqrencode], [have_qrencode=no])])
  BITCOIN_QT_CHECK([AC_CHECK_HEADER([qrencode.h],, have_qrencode=no)])
  fi
  fi
  +dnl ZMQ check
  +
  +if test "x$use_zmq" = xyes; then
  + PKG_CHECK_MODULES([ZMQ], [libzmq >= 4],
  + AC_DEFINE([ENABLE_ZMQ], [1], [Define to 1 to enable ZMQ functions]),
  + [AC_DEFINE([ENABLE_ZMQ], [0], [Define to 1 to enable ZMQ functions])
  + AC_MSG_WARN([libzmq version 4.x or greater not found, disabling])
  + use_zmq=no])
  +else
  + AC_DEFINE_UNQUOTED([ENABLE_ZMQ], [0], [Define to 1 to enable ZMQ functions])
  +fi
  +
  if test "x$use_zmq" = xyes; then
  dnl Assume libzmq was built for static linking
  case $host in
  