build: explicitly set C99 mode
@@ -54,6 +54,7 @@ foreach(variant native emul)
add_test(NAME "/${variant}${tst}" COMMAND $<TARGET_FILE:test-${variant}> "/${variant}${tst}")
endforeach()
target_add_extra_warning_flags(test-${variant})
+ set_property (TARGET test-${variant} PROPERTY C_STANDARD "99")
endforeach()
target_compile_definitions(test-native PRIVATE -DTEST_NATIVE)
