Build and link yaml-cpp lib

CMakeLists.txt

@@ -84,6 +84,18 @@ ExternalProject_Add(b64
 		BUILD_IN_SOURCE 1
 		INSTALL_COMMAND "")
 
+
+set(YAMLCPP_SRC "${PROJECT_BINARY_DIR}/yamlcpp-prefix/src/yamlcpp")
+message(STATUS "Using bundled yaml-cpp in '${YAMLCPP_SRC}'")
+set(YAMLCPP_LIB "${YAMLCPP_SRC}/libyaml-cpp.a")
+# Once the next version of yaml-cpp is released (first version not requiring
+# boost), we can switch to that and no longer pull from github.
+ExternalProject_Add(yamlcpp
+		GIT_REPOSITORY "https://github.com/jbeder/yaml-cpp.git"
+		GIT_TAG "7d2873ce9f2202ea21b6a8c5ecbc9fe38032c229"
+		BUILD_IN_SOURCE 1
+		INSTALL_COMMAND "")
+
 set(OPENSSL_BUNDLE_DIR "${PROJECT_BINARY_DIR}/openssl-prefix/src/openssl")
 set(OPENSSL_INSTALL_DIR "${OPENSSL_BUNDLE_DIR}/target")
 set(OPENSSL_LIBRARY_SSL "${OPENSSL_INSTALL_DIR}/lib/libssl.a")

digwatch.yaml

@@ -0,0 +1,6 @@
+rules_file: /etc/digwatch.conf
+priority_level: warning
+outputs:
+  - file
+  - syslog
+

userspace/digwatch/CMakeLists.txt

@@ -6,11 +6,14 @@ include_directories(${PROJECT_SOURCE_DIR}/../sysdig/userspace/libsinsp)
 include_directories("${PROJECT_BINARY_DIR}/userspace/digwatch")
 include_directories("${CURL_INCLUDE_DIR}")
 include_directories("${LPEG_SRC}")
+include_directories(${DRAIOS_DEPENDENCIES_DIR}/yaml-${DRAIOS_YAML_VERSION}/target/include)
 
 add_executable(digwatch formats.cpp fields.cpp rules.cpp syslog.cpp digwatch.cpp)
 
 target_link_libraries(digwatch sinsp)
-target_link_libraries(digwatch "${LPEG_SRC}/lpeg.a")
+target_link_libraries(digwatch
+	"${LPEG_SRC}/lpeg.a"
+	"${YAMLCPP_LIB}")
 
 
 set(DIGWATCH_LUA_MAIN "rule_loader.lua")