bypass pybind warning

Author: NicolasHug

src/torchcodec/_core/AVIOFileLikeContext.h

@@ -17,7 +17,8 @@ namespace facebook::torchcodec {
 
 // Enables uers to pass in a Python file-like object. We then forward all read
 // and seek calls back up to the methods on the Python object.
-class AVIOFileLikeContext : public AVIOContextHolder {
+class __attribute__((visibility("default"))) AVIOFileLikeContext
+    : public AVIOContextHolder {
  public:
   explicit AVIOFileLikeContext(py::object fileLike);
 

src/torchcodec/_core/CMakeLists.txt

@@ -66,6 +66,7 @@ function(make_torchcodec_libraries
     set(decoder_sources
         AVIOContextHolder.cpp
         AVIOTensorContext.cpp
+        AVIOFileLikeContext.cpp
         FFMPEGCommon.cpp
         Frame.cpp
         DeviceInterface.cpp
@@ -142,15 +143,6 @@ function(make_torchcodec_libraries
         "${pybind_ops_sources}"
         "${pybind_ops_dependencies}"
     )
-    # pybind11 limits the visibility of symbols in the shared library to prevent
-    # stray initialization of py::objects. The rest of the object code must
-    # match. See:
-    #   https://pybind11.readthedocs.io/en/stable/faq.html#someclass-declared-with-greater-visibility-than-the-type-of-its-field-someclass-member-wattributes
-    target_compile_options(
-        ${pybind_ops_library_name}
-        PUBLIC
-      "-fvisibility=hidden"
-    )
     # If we don't make sure this flag is set, we run into segfauls at import
     # time on Mac. See:
     #    https://github.com/pybind/pybind11/issues/3907#issuecomment-1170412764