cmake/sctp: Search for libsctp and error if not found

src/modules/sctp/CMakeLists.txt

@@ -2,6 +2,23 @@ file(GLOB MODULE_SOURCES "*.c")
 
 add_library(${module_name} SHARED ${MODULE_SOURCES})
 
+# TODO: find include file required
+find_path(
+  SCTP_INCLUDE_DIR
+  NAMES sctp.h
+  PATHS /usr/include /usr/local/include /usr/include/netinet)
+
+if(NOT SCTP_INCLUDE_DIR)
+  message(FATAL_ERROR "sctp.h not found. maybe missing libsctp-dev?")
+endif()
+
+target_include_directories(${module_name} PRIVATE ${SCTP_INCLUDE_DIR})
+
+find_library(
+  SCTP_LIBRARY
+  NAMES sctp
+  PATHS /usr/lib /usr/local/lib)
+
 if(UNIX)
-  target_link_libraries(${module_name} PRIVATE -lsctp)
+  target_link_libraries(${module_name} PRIVATE ${SCTP_LIBRARY})
 endif()