Added find_package calls for libcurl and linked the maxscale executable against it.

CMakeLists.txt

@@ -23,6 +23,13 @@ find_package(MySQLClient)
 find_package(MySQL)
 find_package(Pandoc)
 
+# You can find the variables set by this in the FindCURL.cmake file
+# which is a default module in CMake.
+find_package(CURL) 
+if(NOT CURL_FOUND)
+  message(FATAL_ERROR "Failed to locate dependency: libcurl")
+endif()
+
 set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_RPATH}:${CMAKE_INSTALL_PREFIX}/lib:${CMAKE_INSTALL_PREFIX}/modules)
 
 # Make sure the release notes for this release are present if it is a stable one
@@ -109,6 +116,7 @@ include_directories(server/include)
 include_directories(server/inih)
 include_directories(server/modules/include)
 include_directories(${CMAKE_BINARY_DIR}/server/include)
+include_directories(${CURL_INCLUDE_DIRS})
 
 add_subdirectory(utils)
 add_subdirectory(log_manager)