Problem: no build/tests with DRAFT

Solution: added initial test case

.travis.yml

@@ -39,7 +39,7 @@ matrix:
           packages:
             - g++-7
       env:
-        - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7" BUILD_TYPE=cmake ZMQ_VERSION=4.2.5
+        - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7" BUILD_TYPE=cmake ZMQ_VERSION=4.2.5 DRAFT=1
 
 sudo: required
 

CMakeLists.txt

@@ -19,6 +19,18 @@ if (ZeroMQ_FOUND AND (NOT TARGET libzmq OR NOT TARGET libzmq-static))
   message(FATAL_ERROR "ZeroMQ version not supported!")
 endif()
 
+if (EXISTS "${SOURCE_DIR}/.git")
+    OPTION (ENABLE_DRAFTS "Build and install draft classes and methods" ON)
+else ()
+    OPTION (ENABLE_DRAFTS "Build and install draft classes and methods" OFF)
+endif ()
+IF (ENABLE_DRAFTS)
+    ADD_DEFINITIONS (-DZMQ_BUILD_DRAFT_API)
+    set (pkg_config_defines "-DZMQ_BUILD_DRAFT_API=1")
+ELSE (ENABLE_DRAFTS)
+    set (pkg_config_defines "")
+ENDIF (ENABLE_DRAFTS)
+
 message(STATUS "cppzmq v${CPPZMQ_VERSION}")
 
 set(CPPZMQ_HEADERS

ci_build.sh

@@ -3,6 +3,13 @@
 set -x
 set -e
 
+if [ "$DRAFT" = "1" ] ; then
+    # if we enable drafts during the libzmq cmake build, the pkgconfig 
+    # data should set ZMQ_BUILD_DRAFT_API in dependent builds, but this 
+    # does not appear to work (TODO)
+    export ZEROMQ_CMAKE_FLAGS="-DENABLE_DRAFTS=ON"
+fi
+
 install_zeromq() {
     pushd .
 
@@ -14,7 +21,7 @@ install_zeromq() {
 
     mkdir build
     cd build
-    cmake ..
+    cmake .. ${ZEROMQ_CMAKE_FLAGS}
     sudo make -j4 install
 
     popd
@@ -29,7 +36,7 @@ if [ "${ZMQ_VERSION}" != "" ] ; then install_zeromq ; fi
 pushd .
 mkdir build
 cd build
-cmake ..
+cmake .. ${ZEROMQ_CMAKE_FLAGS}
 cmake --build .
 sudo make -j4 install
 make test ARGS="-V"

tests/CMakeLists.txt

@@ -24,6 +24,7 @@ add_executable(
     unit_tests
     context.cpp
     socket.cpp
+    poller.cpp
     )
 
 target_link_libraries(

tests/poller.cpp

@@ -0,0 +1,9 @@
+#include <gtest/gtest.h>
+#include <zmq.hpp>
+
+#if defined(ZMQ_CPP11) && defined(ZMQ_BUILD_DRAFT_API)
+TEST(poller, create_destroy)
+{
+    zmq::poller_t context;
+}
+#endif