Add workaround to building tests without all dependencies

The system tests can be build even if not all of the dependencies for
MaxScale are met.

CMakeLists.txt

@@ -28,7 +28,9 @@ project(MaxScale)
 include(${CMAKE_SOURCE_DIR}/cmake/install_layout.cmake)
 
 # Do the platform check
-include(cmake/CheckPlatform.cmake)
+if (NOT BUILD_SYSTEM_TESTS)
+  include(cmake/CheckPlatform.cmake)
+endif()
 
 check_dirs()
 find_package(OpenSSL)
@@ -60,7 +62,7 @@ include(cmake/BuildMicroHttpd.cmake)
 
 include_directories(${JANSSON_INCLUDE_DIR})
 
-if(NOT OPENSSL_FOUND)
+if(NOT OPENSSL_FOUND AND NOT BUILD_SYSTEM_TESTS)
   message(FATAL_ERROR "Failed to locate dependency: OpenSSL")
 else()
   if(OPENSSL_VERSION VERSION_LESS 1 AND NOT FORCE_OPENSSL100)

maxctrl/CMakeLists.txt

@@ -19,7 +19,7 @@ if (BUILD_MAXCTRL)
       ${CMAKE_BINARY_DIR}/maxctrl-test/ # Location where tests are built and run
       WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
 
-  else()
+  elseif(NOT BUILD_SYSTEM_TESTS)
     message(FATAL_ERROR "Not building MaxCtrl: npm or Node.js >= 6.0.0 not found. Add the following to skip MaxCtrl: -DBUILD_MAXCTRL=N")
   endif()
 else()

maxscale-system-test/mdbci/run_test.sh

@@ -67,7 +67,7 @@ if [ $res == 0 ] ; then
     cd ${script_dir}/../../
 
     mkdir build && cd build
-    cmake ../../ -DWITH_SYSTEM_TESTS -DBUILDNAME=$name -DCMAKE_BUILD_TYPE=Debug
+    cmake ../../ -DBUILD_SYSTEM_TESTS=Y -DBUILDNAME=$name -DCMAKE_BUILD_TYPE=Debug
     cd maxscale-system-test
     make
 

server/modules/authenticator/MySQLAuth/CMakeLists.txt

@@ -1,4 +1,4 @@
-if(SQLITE_VERSION VERSION_LESS 3.3)
+if(SQLITE_VERSION VERSION_LESS 3.3 AND NOT BUILD_SYSTEM_TESTS)
   message(FATAL_ERROR "SQLite version 3.3 or higher is required")
 else()
   add_library(mysqlauth SHARED mysql_auth.cc dbusers.cc)

server/modules/filter/dbfwfilter/CMakeLists.txt

@@ -24,6 +24,8 @@ if(BISON_FOUND AND FLEX_FOUND)
   if(BUILD_TESTS)
     add_subdirectory(test)
   endif()
+elseif (BUILD_SYSTEM_TESTS)
+  message(STATUS "Not building dbfwfilter when tests are built and both flex and bison were not found")
 else()
     message(FATAL_ERROR "Could not find Bison or Flex: ${BISON_EXECUTABLE} ${FLEX_EXECUTABLE}")
 endif()