Fix Windows build: skip gettimeofday on MSYS2, force recompile ecc_platform_specific

build_win.log

@@ -9,36 +9,71 @@ make[2]: Entering directory '/c/ARM/_uTun/utun2/src'
 make[2]: Leaving directory '/c/ARM/_uTun/utun2/src'
 Making all in tests
 make[2]: Entering directory '/c/ARM/_uTun/utun2/tests'
- cd .. && /bin/sh /c/ARM/_uTun/utun2/build-aux/missing automake-1.16 --foreign tests/Makefile
- cd .. && /bin/sh ./config.status tests/Makefile depfiles
-config.status: creating tests/Makefile
-config.status: executing depfiles commands
 make  all-am
 make[3]: Entering directory '/c/ARM/_uTun/utun2/tests'
-x86_64-w64-mingw32-gcc -I../src -I../lib -I../tinycrypt/lib/include -I../tinycrypt/lib/source -g -O2   -o test_etcp_crypto.exe test_etcp_crypto-test_etcp_crypto.o ../src/utun-secure_channel.o ../src/utun-crc32.o -lcrypto ../lib/libuasync.a -lpthread -lws2_32 -liphlpapi -lcrypto 
-x86_64-w64-mingw32-gcc -DHAVE_CONFIG_H -I. -I..    -I../src -I../lib -I../tinycrypt/lib/include -I../tinycrypt/lib/source -g -O2 -MT test_etcp_two_instances-test_etcp_two_instances.o -MD -MP -MF .deps/test_etcp_two_instances-test_etcp_two_instances.Tpo -c -o test_etcp_two_instances-test_etcp_two_instances.o `test -f 'test_etcp_two_instances.c' || echo './'`test_etcp_two_instances.c
-x86_64-w64-mingw32-gcc -I../tinycrypt/lib/include -I../tinycrypt/lib/source -I../lib -g -O2   -o test_crypto.exe test_crypto-test_crypto.o ../src/utun-aes_encrypt.o ../src/utun-aes_decrypt.o ../src/utun-ccm_mode.o ../src/utun-cmac_mode.o ../src/utun-ctr_mode.o ../src/utun-ecc.o ../src/utun-ecc_dh.o ../src/utun-ecc_dsa.o ../src/utun-sha256.o ../src/utun-ecc_platform_specific.o ../src/utun-utils.o ../lib/libuasync.a -lpthread -lws2_32 -liphlpapi -lcrypto 
-x86_64-w64-mingw32-gcc -DHAVE_CONFIG_H -I. -I..    -I../src -I../lib -I../tinycrypt/lib/include -I../tinycrypt/lib/source -g -O2 -MT test_etcp_simple_traffic-test_etcp_simple_traffic.o -MD -MP -MF .deps/test_etcp_simple_traffic-test_etcp_simple_traffic.Tpo -c -o test_etcp_simple_traffic-test_etcp_simple_traffic.o `test -f 'test_etcp_simple_traffic.c' || echo './'`test_etcp_simple_traffic.c
+x86_64-w64-mingw32-gcc -I../tinycrypt/lib/include -I../tinycrypt/lib/source -I../lib -g -O2   -o test_crypto.exe test_crypto-test_crypto.o ../src/utun-aes_encrypt.o ../src/utun-aes_decrypt.o ../src/utun-ccm_mode.o ../src/utun-cmac_mode.o ../src/utun-ctr_mode.o ../src/utun-ecc.o ../src/utun-ecc_dh.o ../src/utun-ecc_dsa.o ../src/utun-sha256.o ../src/utun-ecc_platform_specific.o ../src/utun-utils.o ../lib/libuasync.a -lpthread -lws2_32 -liphlpapi -ladvapi32 -lcrypto 
+x86_64-w64-mingw32-gcc -I../src -I../lib -I../tinycrypt/lib/include -I../tinycrypt/lib/source -g -O2   -o test_pkt_normalizer_standalone.exe test_pkt_normalizer_standalone-test_pkt_normalizer_standalone.o ../src/utun-pkt_normalizer.o ../src/utun-route_lib.o ../src/utun-routing.o ../src/utun-etcp_api.o ../src/utun-aes_encrypt.o ../src/utun-aes_decrypt.o ../src/utun-ccm_mode.o ../src/utun-cmac_mode.o ../src/utun-ctr_mode.o ../src/utun-ecc.o ../src/utun-ecc_dh.o ../src/utun-ecc_dsa.o ../src/utun-sha256.o ../src/utun-ecc_platform_specific.o ../src/utun-utils.o ../lib/libuasync.a -lpthread -lws2_32 -liphlpapi -ladvapi32 -lcrypto 
+x86_64-w64-mingw32-gcc -I../src -I../lib -I../tinycrypt/lib/include -I../tinycrypt/lib/source -g -O2   -o test_etcp_api.exe test_etcp_api-test_etcp_api.o ../src/utun-config_parser.o ../src/utun-config_updater.o ../src/utun-route_lib.o ../src/utun-route_bgp.o ../src/utun-routing.o ../src/utun-tun_if.o ../src/utun-tun_windows.o ../src/utun-utun_instance.o ../src/utun-etcp.o ../src/utun-etcp_connections.o ../src/utun-etcp_loadbalancer.o ../src/utun-pkt_normalizer.o ../src/utun-etcp_api.o ../src/utun-secure_channel.o ../src/utun-crc32.o -lcrypto ../lib/libuasync.a -lpthread -lws2_32 -liphlpapi -ladvapi32 -lcrypto 
+x86_64-w64-mingw32-gcc -DHAVE_CONFIG_H -I. -I..    -I../src -I../lib -g -O2 -MT test_ll_queue-test_ll_queue.o -MD -MP -MF .deps/test_ll_queue-test_ll_queue.Tpo -c -o test_ll_queue-test_ll_queue.o `test -f 'test_ll_queue.c' || echo './'`test_ll_queue.c
 C:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: ../src/utun-ecc.o:ecc.c:(.data+0x0): undefined reference to `default_CSPRNG'
 collect2.exe: error: ld returned 1 exit status
 make[3]: *** [Makefile:899: test_crypto.exe] Error 1
 make[3]: *** Waiting for unfinished jobs....
-test_etcp_simple_traffic.c: In function 'create_temp_configs':
-test_etcp_simple_traffic.c:71:32: warning: comparison between pointer and integer
-   71 |     if (test_mkdtemp(temp_dir) == NULL) {
-      |                                ^~
-mv -f .deps/test_etcp_two_instances-test_etcp_two_instances.Tpo .deps/test_etcp_two_instances-test_etcp_two_instances.Po
-mv -f .deps/test_etcp_simple_traffic-test_etcp_simple_traffic.Tpo .deps/test_etcp_simple_traffic-test_etcp_simple_traffic.Po
+C:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: ../src/utun-ecc.o:ecc.c:(.data+0x0): undefined reference to `default_CSPRNG'
+collect2.exe: error: ld returned 1 exit status
+make[3]: *** [Makefile:955: test_pkt_normalizer_standalone.exe] Error 1
+In file included from ../lib/u_async.h:8,
+                 from test_ll_queue.c:14:
+../lib/platform_compat.h:44:23: error: static declaration of 'gettimeofday' follows non-static declaration
+   44 |     static inline int gettimeofday(struct timeval *tv, void *tz) {
+      |                       ^~~~~~~~~~~~
+In file included from test_ll_queue.c:11:
+C:/msys64/ucrt64/include/sys/time.h:42:13: note: previous declaration of 'gettimeofday' with type 'int(struct timeval * restrict,  void * restrict)'
+   42 | int __cdecl gettimeofday(struct timeval *__restrict__,
+      |             ^~~~~~~~~~~~
+make[3]: *** [Makefile:1217: test_ll_queue-test_ll_queue.o] Error 1
 make[3]: Leaving directory '/c/ARM/_uTun/utun2/tests'
 make[2]: *** [Makefile:844: all] Error 2
 make[2]: Leaving directory '/c/ARM/_uTun/utun2/tests'
 make[1]: *** [Makefile:379: all-recursive] Error 1
 make[1]: Leaving directory '/c/ARM/_uTun/utun2'
 make: *** [Makefile:320: all] Error 2
-
+'.
+make[2]: Leaving directory '/c/ARM/_uTun/utun2/lib'
+Making all in src
+make[2]: Entering directory '/c/ARM/_uTun/utun2/src'
+make[2]: Leaving directory '/c/ARM/_uTun/utun2/src'
+Making all in tests
+make[2]: Entering directory '/c/ARM/_uTun/utun2/tests'
+make  all-am
+make[3]: Entering directory '/c/ARM/_uTun/utun2/tests'
+x86_64-w64-mingw32-gcc -I../tinycrypt/lib/include -I../tinycrypt/lib/source -I../lib -g -O2   -o test_crypto.exe test_crypto-test_crypto.o ../src/utun-aes_encrypt.o ../src/utun-aes_decrypt.o ../src/utun-ccm_mode.o ../src/utun-cmac_mode.o ../src/utun-ctr_mode.o ../src/utun-ecc.o ../src/utun-ecc_dh.o ../src/utun-ecc_dsa.o ../src/utun-sha256.o ../src/utun-ecc_platform_specific.o ../src/utun-utils.o ../lib/libuasync.a -lpthread -lws2_32 -liphlpapi -ladvapi32 -lcrypto 
+x86_64-w64-mingw32-gcc -I../src -I../lib -I../tinycrypt/lib/include -I../tinycrypt/lib/source -g -O2   -o test_pkt_normalizer_standalone.exe test_pkt_normalizer_standalone-test_pkt_normalizer_standalone.o ../src/utun-pkt_normalizer.o ../src/utun-route_lib.o ../src/utun-routing.o ../src/utun-etcp_api.o ../src/utun-aes_encrypt.o ../src/utun-aes_decrypt.o ../src/utun-ccm_mode.o ../src/utun-cmac_mode.o ../src/utun-ctr_mode.o ../src/utun-ecc.o ../src/utun-ecc_dh.o ../src/utun-ecc_dsa.o ../src/utun-sha256.o ../src/utun-ecc_platform_specific.o ../src/utun-utils.o ../lib/libuasync.a -lpthread -lws2_32 -liphlpapi -ladvapi32 -lcrypto 
+x86_64-w64-mingw32-gcc -I../src -I../lib -I../tinycrypt/lib/include -I../tinycrypt/lib/source -g -O2   -o test_etcp_api.exe test_etcp_api-test_etcp_api.o ../src/utun-config_parser.o ../src/utun-config_updater.o ../src/utun-route_lib.o ../src/utun-route_bgp.o ../src/utun-routing.o ../src/utun-tun_if.o ../src/utun-tun_windows.o ../src/utun-utun_instance.o ../src/utun-etcp.o ../src/utun-etcp_connections.o ../src/utun-etcp_loadbalancer.o ../src/utun-pkt_normalizer.o ../src/utun-etcp_api.o ../src/utun-secure_channel.o ../src/utun-crc32.o -lcrypto ../lib/libuasync.a -lpthread -lws2_32 -liphlpapi -ladvapi32 -lcrypto 
+x86_64-w64-mingw32-gcc -DHAVE_CONFIG_H -I. -I..    -I../src -I../lib -g -O2 -MT test_ll_queue-test_ll_queue.o -MD -MP -MF .deps/test_ll_queue-test_ll_queue.Tpo -c -o test_ll_queue-test_ll_queue.o `test -f 'test_ll_queue.c' || echo './'`test_ll_queue.c
+C:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: ../src/utun-ecc.o:ecc.c:(.data+0x0): undefined reference to `default_CSPRNG'
+collect2.exe: error: ld returned 1 exit status
+make[3]: *** [Makefile:899: test_crypto.exe] Error 1
+make[3]: *** Waiting for unfinished jobs....
+C:/msys64/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: ../src/utun-ecc.o:ecc.c:(.data+0x0): undefined reference to `default_CSPRNG'
+collect2.exe: error: ld returned 1 exit status
+make[3]: *** [Makefile:955: test_pkt_normalizer_standalone.exe] Error 1
+In file included from ../lib/u_async.h:8,
+                 from test_ll_queue.c:14:
+../lib/platform_compat.h:44:23: error: static declaration of 'gettimeofday' follows non-static declaration
+   44 |     static inline int gettimeofday(struct timeval *tv, void *tz) {
+      |                       ^~~~~~~~~~~~
+In file included from test_ll_queue.c:11:
+C:/msys64/ucrt64/include/sys/time.h:42:13: note: previous declaration of 'gettimeofday' with type 'int(struct timeval * restrict,  void * restrict)'
+   42 | int __cdecl gettimeofday(struct timeval *__restrict__,
+      |             ^~~~~~~~~~~~
+make[3]: *** [Makefile:1217: test_ll_queue-test_ll_queue.o] Error 1
+make[3]: Leaving directory '/c/ARM/_uTun/utun2/tests'
+make[2]: *** [Makefile:844: all] Error 2
+make[2]: Leaving directory '/c/ARM/_uTun/utun2/tests'
+make[1]: *** [Makefile:379: all-recursive] Error 1
 make[1]: Leaving directory '/c/ARM/_uTun/utun2'
 make: *** [Makefile:320: all] Error 2
 
-Build completed successfully!
-Binary: src/utun.exe
-Make sure wintun.dll is in the same directory as utun.exe
+ERROR: Build failed!
+Check build_win.log (Windows) or build_linux.log (Linux) for details

lib/platform_compat.h

@@ -40,7 +40,8 @@
     #endif
     
     // gettimeofday for Windows (timezone already defined in time.h)
-    #ifndef HAVE_GETTIMEOFDAY
+    // Note: MSYS2 already has gettimeofday in sys/time.h, so we skip it here
+    #if !defined(HAVE_GETTIMEOFDAY) && !defined(__MINGW32__)
     static inline int gettimeofday(struct timeval *tv, void *tz) {
         (void)tz;
         if (tv) {