fix(build): compilation on macos

After some commits on the master branch compilation
for macos was not working. This PR restores macos
to a building state.

Co-authored-by: Jón Bjarni Bjarnason <jon@centroid.is>

CMakeLists.txt

@@ -645,6 +645,8 @@ if((CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang") AND
         if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
             check_add_cc_flag("-fprofile-instr-generate")
             check_add_cc_flag("-fcoverage-mapping")
+            check_add_cc_flag("-fprofile-arcs")
+            check_add_cc_flag("-ftest-coverage")
         endif()
     endif()
 

arch/posix/eventloop_posix.h

@@ -175,12 +175,12 @@ _UA_END_DECLS
 /*---------------------*/
 
 #include <sys/socket.h>
+#include <sys/select.h>
+#include <sys/ioctl.h>
 #include <arpa/inet.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <netdb.h>
-#include <sys/ioctl.h>
-#include <sys/select.h>
 #include <net/if.h>
 #include <poll.h>
 #include <fcntl.h>
@@ -263,11 +263,15 @@ typedef int SOCKET;
 #include <libgen.h>
 #include <limits.h>
 #include <stdio.h>
-#include <sys/inotify.h>
+#ifndef __APPLE__
+# include <sys/inotify.h>
+#endif /* !__APPLE__ */
 #include <sys/stat.h>
 
 #ifndef __ANDROID__
+#ifndef __APPLE__
 #include <bits/stdio_lim.h>
+#endif /* !__APPLE__ */
 #endif /* !__ANDROID__ */
 
 #define UA_STAT stat

examples/CMakeLists.txt

@@ -190,7 +190,9 @@ if(UA_ENABLE_PUBSUB)
     add_example(server_pubsub_publish_rt_offsets pubsub_realtime/server_pubsub_publish_rt_offsets.c)
     add_example(server_pubsub_subscribe_rt_offsets pubsub_realtime/server_pubsub_subscribe_rt_offsets.c)
 
-    if(UA_ARCHITECTURE_POSIX)
+    ## Apple does not implement timer functions required by one of the examples
+    ## And apple does not implement librt posix extension
+    if(UA_ARCHITECTURE_POSIX AND NOT APPLE)
         add_example(server_pubsub_publish_rt_state_machine
                     pubsub_realtime/server_pubsub_publish_rt_state_machine.c)
         target_link_libraries(server_pubsub_publish_rt_state_machine "rt")

plugins/crypto/ua_certificategroup_filestore.c

@@ -8,6 +8,8 @@
  */
 
 #include <open62541/util.h>
+#include "../../arch/posix/eventloop_posix.h"
+#include "ua_filestore_common.h"
 #include <open62541/plugin/certificategroup_default.h>
 
 #include "ua_filestore_common.h"
@@ -15,7 +17,7 @@
 
 #ifdef UA_ENABLE_ENCRYPTION
 
-#if defined(__linux__) || defined(UA_ARCHITECTURE_WIN32)
+#if defined(__linux__) || defined(UA_ARCHITECTURE_WIN32) || defined(__APPLE__)
 
 #ifdef __linux__
 #define EVENT_SIZE (sizeof(struct inotify_event))

plugins/crypto/ua_filestore_common.c

@@ -5,11 +5,12 @@
  *    Copyright 2024 (c) Fraunhofer IOSB (Author: Noel Graf)
  */
 
+#include "../../arch/posix/eventloop_posix.h"
 #include "ua_filestore_common.h"
 
 #ifdef UA_ENABLE_ENCRYPTION
 
-#if defined(__linux__) || defined(UA_ARCHITECTURE_WIN32)
+#if defined(__linux__) || defined(UA_ARCHITECTURE_WIN32) || defined(__APPLE__)
 
 #ifdef UA_ARCHITECTURE_WIN32
 /* TODO: Replace with a proper dirname implementation. This is a just minimal

plugins/crypto/ua_filestore_common.h

@@ -12,7 +12,7 @@
 
 #ifdef UA_ENABLE_ENCRYPTION
 
-#if defined(__linux__) || defined(UA_ARCHITECTURE_WIN32)
+#if defined(__linux__) || defined(UA_ARCHITECTURE_WIN32) || defined(__APPLE__)
 
 #include "../../arch/posix/eventloop_posix.h"
 

plugins/include/open62541/plugin/certificategroup_default.h

@@ -39,7 +39,7 @@ UA_CertificateGroup_Memorystore(UA_CertificateGroup *certGroup,
                                 const UA_Logger *logger,
                                 const UA_KeyValueMap *params);
 
-#if defined(__linux__) || defined(UA_ARCHITECTURE_WIN32)
+#if defined(__linux__) || defined(UA_ARCHITECTURE_WIN32) || defined(__APPLE__)
 /*
  * Initialises and configures a certificate group with a filestore backend.
  *

src/util/ua_util.c

@@ -15,6 +15,9 @@
 #include <open62541/server.h>
 #include <open62541/util.h>
 #include <open62541/common.h>
+// Not used in this translation unit, but exposes symbols that are used in other translation units
+#include <open62541/server_config_default.h>
+#include <open62541/transport_generated.h>
 
 #include "ua_util_internal.h"
 #include "pcg_basic.h"