Add xeus_zmq_REQUIRED_VERSION cmake

Author: mcbarton

CMakeLists.txt

@@ -80,6 +80,7 @@ endif()
 
 set(xtl_REQUIRED_VERSION 0.7.0)
 set(xeus_REQUIRED_VERSION 3.2.0)
+set(xeus_zmq_REQUIRED_VERSION 1.0.2)
 
 if (NOT TARGET xtl)
     find_package(xtl ${xtl_REQUIRED_VERSION} REQUIRED)
@@ -355,7 +356,7 @@ endif ()
 # ====
 
 if (XEUS_CPP_BUILD_EXECUTABLE)
-    find_package(xeus-zmq 1.0.2 REQUIRED)
+    find_package(xeus-zmq ${xeus_zmq_REQUIRED_VERSION} REQUIRED)
     add_executable(xcpp ${XEUS_CPP_MAIN_SRC})
     target_compile_features(xcpp PRIVATE cxx_std_17)
     xeus_cpp_set_common_options(xcpp)

README.md

@@ -136,7 +136,7 @@ http://xeus-cpp.readthedocs.io
 
 | `xeus-cpp` | `xeus-zmq`      | `xtl`           | `CppInterOp` | `clang`   | `pugixml` | `cppzmq` | `cpp-argparse`| `nlohmann_json` |
 |------------|-----------------|-----------------|--------------|-----------|-----------|----------|---------------|-----------------|
-|  main      |  >=1.0.0,<2.0.0 |  >=0.7.7,<0.8.0 | >=1.3.0      |           | ~1.8.1    | ~4.3.0   | <3.1          | >=3.11.2,<4.0   |
+|  main      |  >=1.0.2,<2.0.0 |  >=0.7.7,<0.8.0 | >=1.3.0      |           | ~1.8.1    | ~4.3.0   | <3.1          | >=3.11.2,<4.0   |
 |  0.4.0     |  >=1.0.0,<2.0.0 |  >=0.7.7,<0.8.0 |              | >=16,<17  | ~1.8.1    | ~4.3.0   | ~2.9          | >=3.6.1,<4.0    |
 |  0.3.0     |  >=1.0.0,<2.0.0 |  >=0.7.7,<0.8.0 |              | >=16,<17  | ~1.8.1    | ~4.3.0   | ~2.9          | >=3.6.1,<4.0    |
 |  0.2.0     |  >=1.0.0,<2.0.0 |  >=0.7.7,<0.8.0 |              | >=16,<17  | ~1.8.1    | ~4.3.0   | ~2.9          | >=3.6.1,<4.0    |