Verify the existence of submodule

Author: jan-cerny

CMakeLists.txt

@@ -165,6 +165,13 @@ if(GCRYPT_FOUND OR NSS_FOUND)
 endif()
 
 find_package(Libyaml)
+if(EXISTS ${CMAKE_SOURCE_DIR}/yaml-filter/CMakeLists.txt)
+	message(STATUS "yaml-filter was found")
+	set(YAML_FILTER_FOUND TRUE)
+else()
+	message(STATUS "yaml-filter was not found")
+	set(YAML_FILTER_FOUND FALSE)
+endif()
 
 check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
 check_function_exists(posix_memalign HAVE_POSIX_MEMALIGN)
@@ -237,7 +244,7 @@ cmake_dependent_option(OPENSCAP_PROBE_INDEPENDENT_TEXTFILECONTENT "Independent t
 cmake_dependent_option(OPENSCAP_PROBE_INDEPENDENT_TEXTFILECONTENT54 "Independent textfilecontent54 probe" ON "ENABLE_PROBES_INDEPENDENT; NOT WIN32" OFF)
 cmake_dependent_option(OPENSCAP_PROBE_INDEPENDENT_VARIABLE "Independent variable probe" ON "ENABLE_PROBES_INDEPENDENT" OFF)
 cmake_dependent_option(OPENSCAP_PROBE_INDEPENDENT_XMLFILECONTENT "Independent xmlfilecontent probe" ON "ENABLE_PROBES_INDEPENDENT; NOT WIN32" OFF)
-cmake_dependent_option(OPENSCAP_PROBE_INDEPENDENT_YAMLFILECONTENT "Independent yamlfilecontent probe" ON "ENABLE_PROBES_INDEPENDENT; LIBYAML_FOUND; NOT WIN32" OFF)
+cmake_dependent_option(OPENSCAP_PROBE_INDEPENDENT_YAMLFILECONTENT "Independent yamlfilecontent probe" ON "ENABLE_PROBES_INDEPENDENT; LIBYAML_FOUND; YAML_FILTER_FOUND; NOT WIN32" OFF)
 
 # UNIX PROBES
 cmake_dependent_option(OPENSCAP_PROBE_UNIX_DNSCACHE "Unix dnscache probe" ON "ENABLE_PROBES_UNIX" OFF)