[PIP] update manifest to include lib_api.cc (#19850)

* update manifest to include lib_api.cc

Signed-off-by: Sheng Zha <zhasheng@amazon.com>

* add cc

Signed-off-by: Sheng Zha <zhasheng@amazon.com>

* fix lib_api.cc packaging

Signed-off-by: Sheng Zha <zhasheng@amazon.com>

Author: szha

tools/pip/MANIFEST.in

@@ -29,4 +29,6 @@ recursive-include mxnet *_LICENSE
 recursive-include mxnet *.h
 recursive-include mxnet *.hpp
 recursive-include mxnet *.cuh
+recursive-include mxnet *.cc
+recursive-include mxnet *.cpp
 recursive-include dmlc_tracker *.py

tools/pip/setup.py

@@ -103,6 +103,7 @@
                 os.path.join(CURRENT_DIR, 'mxnet/include/nnvm'))
 
 # copy cc file for mxnet extensions
+os.mkdir(os.path.join(CURRENT_DIR, 'mxnet/src'))
 shutil.copy(os.path.join(CURRENT_DIR, 'mxnet-build/src/lib_api.cc'),
             os.path.join(CURRENT_DIR, 'mxnet/src'))