Link all tests to the android cpufeatures library if available.

This is needed for libvpx to work on android.

This also means that we can upload our test binaries to an android device
and actually run them, now that libcheck is no longer a blocker.

CMakeLists.txt

@@ -438,9 +438,22 @@ elseif(FORMAT_TEST)
   message(FATAL_ERROR "format_test can not be run, because ASTYLE (${ASTYLE}) could not be found")
 endif()
 
+if(ANDROID_CPU_FEATURES)
+  # We need to compile cpufeatures.c as many times as there are executables,
+  # because libvpx doesn't include it although it depends on it. We can't get
+  # the link ordering right in cmake, so we need to compile the cpufeatures
+  # library into every binary explicitly.
+  #
+  # The alternative is to #include the library in every main file, but I
+  # (@iphydf) felt that this solution was cleaner.
+  add_definitions(-DANDROID_CPU_FEATURES="${ANDROID_CPU_FEATURES}")
+  set(CPUFEATURES other/cpufeatures.c)
+endif()
+
 function(auto_test target)
   if(NOT (MSVC AND ARGV1 STREQUAL "MSVC_DONT_BUILD"))
-    add_executable(auto_${target}_test auto_tests/${target}_test.c)
+    add_executable(auto_${target}_test ${CPUFEATURES}
+      auto_tests/${target}_test.c)
     target_link_modules(auto_${target}_test toxcore)
     if(NOT ARGV1 STREQUAL "DONT_RUN")
       add_test(NAME ${target} COMMAND ${CROSSCOMPILING_EMULATOR} auto_${target}_test)
@@ -451,15 +464,10 @@ endfunction()
 
 if(BUILD_TOXAV)
   add_definitions(-D__STDC_LIMIT_MACROS=1)
-  add_executable(auto_monolith_test
-    auto_tests/monolith_test.cpp
-    ${ANDROID_CPU_FEATURES})
+  add_executable(auto_monolith_test ${CPUFEATURES}
+    auto_tests/monolith_test.cpp)
   target_link_libraries(auto_monolith_test ${toxcore_LINK_MODULES})
   add_test(NAME monolith COMMAND ${CROSSCOMPILING_EMULATOR} auto_monolith_test)
-
-  if(ANDROID_CPU_FEATURES)
-    target_compile_definitions(auto_monolith_test PRIVATE -Dtypeof=__typeof__)
-  endif()
 endif()
 
 auto_test(TCP)
@@ -509,7 +517,7 @@ endif()
 
 option(DHT_BOOTSTRAP "Enable building of DHT_bootstrap" ON)
 if(DHT_BOOTSTRAP)
-  add_executable(DHT_bootstrap
+  add_executable(DHT_bootstrap ${CPUFEATURES}
     other/DHT_bootstrap.c
     other/bootstrap_node_packets.c)
   target_link_modules(DHT_bootstrap toxcore)
@@ -522,7 +530,7 @@ if(BOOTSTRAP_DAEMON AND WIN32)
 endif()
 if(BOOTSTRAP_DAEMON)
   if(LIBCONFIG_FOUND)
-    add_executable(tox-bootstrapd
+    add_executable(tox-bootstrapd ${CPUFEATURES}
       other/bootstrap_daemon/src/command_line_arguments.c
       other/bootstrap_daemon/src/command_line_arguments.h
       other/bootstrap_daemon/src/config.c
@@ -553,7 +561,8 @@ option(BUILD_AV_TEST "Build toxav test" ON)
 if(NOT WIN32
   AND BUILD_AV_TEST AND BUILD_TOXAV
   AND SNDFILE_FOUND AND PORTAUDIO_FOUND AND OPENCV_FOUND)
-  add_executable(av_test testing/av_test.c)
+  add_executable(av_test ${CPUFEATURES}
+    testing/av_test.c)
   target_link_modules(av_test
     toxcore
     ${OPENCV_LIBRARIES}
@@ -566,8 +575,10 @@ if(NOT WIN32
   endif()
 endif()
 
-add_executable(DHT_test testing/DHT_test.c)
+add_executable(DHT_test ${CPUFEATURES}
+  testing/DHT_test.c)
 target_link_modules(DHT_test toxcore)
 
-add_executable(Messenger_test testing/Messenger_test.c)
+add_executable(Messenger_test ${CPUFEATURES}
+  testing/Messenger_test.c)
 target_link_modules(Messenger_test toxcore)

auto_tests/file_saving_test.c

@@ -61,7 +61,7 @@ static void save_data_encrypted(void)
     }
 
     size_t written_value = fwrite(cipher, sizeof(*cipher), size, f);
-    printf("written written_value = %li of %li\n", written_value, size);
+    printf("written written_value = %zu of %zu\n", written_value, size);
 
     free(cipher);
     free(clear);
@@ -79,7 +79,7 @@ static void load_data_decrypted(void)
     uint8_t *cipher = (uint8_t *)malloc(size);
     uint8_t *clear = (uint8_t *)malloc(size - TOX_PASS_ENCRYPTION_EXTRA_LENGTH);
     size_t read_value = fread(cipher, sizeof(*cipher), size, f);
-    printf("read read_vavue = %li of %li\n", read_value, size);
+    printf("read read_vavue = %zu of %ld\n", read_value, size);
 
     TOX_ERR_DECRYPTION derr;
 

other/cpufeatures.c

@@ -0,0 +1,6 @@
+#define typeof __typeof__
+#ifdef ANDROID_CPU_FEATURES
+#include ANDROID_CPU_FEATURES
+#endif
+
+extern int unused_declaration;