[Minor] Fix clang plugin functions on OSX

clang-plugin/CMakeLists.txt

 
 IF (ENABLE_CLANG_PLUGIN MATCHES "ON")
-    cmake_minimum_required(VERSION 3.9)
     # Clang plugin for static analysis
     PROJECT(RspamdClangPlugin)
     if (NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
     ADD_DEFINITIONS(${LLVM_DEFINITIONS})
 
     find_package(Clang REQUIRED)
+
+    set(clang_libs
+            clangAST
+            clangBasic
+            clangFrontend)
+
+    message(STATUS "Found LibClang in: ${CLANG_INSTALL_PREFIX}")
     include_directories(${CLANG_INCLUDE_DIRS})
 
     SET(CLANGPLUGINSRC plugin.cc printf_check.cc)
     SET_TARGET_PROPERTIES(rspamd-clang PROPERTIES
             COMPILE_FLAGS "-O2 -Wall -Wextra -Wno-unused-parameter -Werror"
             LINKER_LANGUAGE CXX)
-	set_property(TARGET rspamd-clang APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--no-undefined -Wl,--as-needed")
+    IF(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+	    set_property(TARGET rspamd-clang APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--no-undefined -Wl,--as-needed")
+    ENDIF()
 
     find_library(found_LLVM LLVM HINTS ${LLVM_LIBRARY_DIRS})
     if(found_LLVM)
         target_link_libraries(rspamd-clang PRIVATE ${llvm_libs})
     endif()
 
-    set(clang_libs
-        clangAST
-        clangBasic
-        clangFrontend)
     target_link_libraries(rspamd-clang PRIVATE ${clang_libs})
 ENDIF()

clang-plugin/printf_check.cc

 	size_arg_handler (const Expr *arg, struct PrintfArgChecker *ctx)
 	{
 		if (sizeof (size_t) == sizeof (long)) {
-			return check_builtin_type (arg,
-					ctx,
-					{BuiltinType::Kind::ULong,
-					 BuiltinType::Kind::Long},
-					"%z");
+			if (sizeof (long long) == sizeof (long)) {
+				return check_builtin_type (arg,
+						ctx,
+						{BuiltinType::Kind::ULong,
+						 BuiltinType::Kind::Long,
+						 BuiltinType::Kind::LongLong,
+						 BuiltinType::Kind::ULongLong},
+						"%z");
+			}
+			else {
+				return check_builtin_type (arg,
+						ctx,
+						{BuiltinType::Kind::ULong,
+						 BuiltinType::Kind::Long},
+						"%z");
+			}
 		}
 		else if (sizeof (size_t) == sizeof (int)) {
 			return check_builtin_type (arg,

src/CMakeLists.txt

 # Rspamd core components
 IF (ENABLE_CLANG_PLUGIN MATCHES "ON")
 	SET(CMAKE_C_FLAGS
-			"${CMAKE_C_FLAGS} -Xclang -load -Xclang ${CMAKE_CURRENT_BINARY_DIR}/../clang-plugin/librspamd-clang.so -Xclang -add-plugin -Xclang rspamd-ast")
+			"${CMAKE_C_FLAGS} -Xclang -load -Xclang ${CMAKE_CURRENT_BINARY_DIR}/../clang-plugin/librspamd-clang${CMAKE_SHARED_LIBRARY_SUFFIX} -Xclang -add-plugin -Xclang rspamd-ast")
 	IF(CLANG_EXTRA_PLUGINS_LIBS)
 		FOREACH(_lib ${CLANG_EXTRA_PLUGINS_LIBS})
 			SET(CMAKE_C_FLAGS

src/libserver/task.c

 
 			if (offset > (gulong)st.st_size) {
 				msg_err_task ("invalid offset %ul (%ul available) for shm "
-							  "segment %s", offset, st.st_size, fp);
+							  "segment %s", offset, (gulong)st.st_size, fp);
 				munmap (map, st.st_size);
 				close (fd);
 
 
 			if (shmem_size > (gulong)st.st_size) {
 				msg_err_task ("invalid length %ul (%ul available) for %s "
-							  "segment %s", shmem_size, st.st_size, ft, fp);
+							  "segment %s", shmem_size, (gulong)st.st_size, ft, fp);
 				munmap (map, st.st_size);
 				close (fd);