--- a/CMakeLists.txt	2022-05-21 13:13:50.806813151 +0200
+++ b/CMakeLists.txt	2022-05-21 13:16:46.448969453 +0200
@@ -419,6 +419,9 @@
   FILES ${FBGEMM_PUBLIC_HEADERS}
   DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/fbgemm")
 
+install(FILES src/RefImplementations.h
+  DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/fbgemm/src")
+
 install(
   EXPORT fbgemmLibraryConfig
   DESTINATION share/cmake/fbgemm
@@ -428,7 +428,7 @@
 # Asmjit Target
 ################################################################################
 
-if(NOT TARGET asmjit)
+if(FALSE)
   # Download asmjit from github if ASMJIT_SRC_DIR is not specified.
   if(NOT DEFINED ASMJIT_SRC_DIR)
     set(ASMJIT_SRC_DIR "${FBGEMM_SOURCE_DIR}/external/asmjit"
@@ -450,7 +450,7 @@
 # Cpuinfo Target
 ################################################################################
 
-if(NOT TARGET cpuinfo)
+if(FALSE)
   #Download cpuinfo from github if CPUINFO_SOURCE_DIR is not specified.
   if(NOT DEFINED CPUINFO_SOURCE_DIR)
     set(CPUINFO_SOURCE_DIR "${FBGEMM_SOURCE_DIR}/external/cpuinfo"
--- a/src/PackMatrix.cc	2022-05-24 08:19:00.639462626 +0200
+++ b/src/PackMatrix.cc	2022-05-24 08:27:59.127720548 +0200
@@ -32,6 +32,7 @@
 }
 
 template <typename PT, typename inpType, typename accType>
+FBGEMM_API
 int PackMatrix<PT, inpType, accType>::packedBufferSize(
     int rows,
     int cols,