fix dynamic linking

Author: r-zenine

packaging/torchvision/meta.yaml

@@ -7,7 +7,8 @@ source:
 
 requirements:
   build:
-    - {{ compiler('c') }} # [win]
+    - {{ compiler('c') }} 
+    - {{ compiler('cxx') }} 
 
   host:
     - python

setup.py

@@ -92,11 +92,13 @@ def get_extensions():
     libraries = []
     extra_compile_args = {}
     third_party_search_directories = []
+    runtime_library_dirs = []
 
     if sys.platform.startswith('linux'):
         sources = sources + source_image_cpu
         libraries.append('turbojpeg')
         third_party_search_directories.append(os.path.join(cwd, "third_party/libjpeg-turbo"))
+        runtime_library_dirs = ['lib']
 
     extension = CppExtension
 
@@ -160,8 +162,8 @@ def get_extensions():
             include_dirs=include_dirs + third_party_search_directories,
             define_macros=define_macros,
             extra_compile_args=extra_compile_args,
-            runtime_library_dirs=["lib"]
-       )
+            runtime_library_dirs=runtime_library_dirs
+        )
     ]
     if compile_cpp_tests:
         ext_modules.append(