OpenFHE: fix library install directory in CMake (#7880)

* OpenFHE: fix library path in CMakeTargets file

* Properly fix the library install dir in upstream sources

Author: sloede

O/OpenFHE/build_tarballs.jl

@@ -16,10 +16,16 @@ sources = [
 script = raw"""
 cd $WORKSPACE/srcdir/openfhe-development/
 
+# Add missing `<cmath>` header to avoid disambiguities in macOS builds
 if [[ "${target}" == *-apple* ]]; then
   atomic_patch -p1 "${WORKSPACE}/srcdir/patches/macos-include-cmath.patch"
 fi
 
+# Set proper install directories for libraries on Windows
+if [[ "${target}" == *-mingw* ]]; then
+  atomic_patch -p1 "${WORKSPACE}/srcdir/patches/windows-fix-cmake-libdir.patch"
+fi
+
 mkdir build && cd build
 
 cmake .. \

O/OpenFHE/bundled/patches/windows-fix-cmake-libdir.patch

@@ -0,0 +1,39 @@
+--- a/src/binfhe/CMakeLists.txt
++++ b/src/binfhe/CMakeLists.txt
+@@ -26,7 +26,9 @@ if ( BUILD_SHARED )
+ 	set_property(TARGET OPENFHEbinfhe PROPERTY RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+ 	install(TARGETS OPENFHEbinfhe
+ 		EXPORT OpenFHETargets
+-		DESTINATION lib)
++		RUNTIME DESTINATION bin
++		LIBRARY DESTINATION lib
++		ARCHIVE DESTINATION lib)
+ endif()
+ 
+ if( BUILD_STATIC )
+--- a/src/core/CMakeLists.txt
++++ b/src/core/CMakeLists.txt
+@@ -28,7 +28,9 @@ if ( BUILD_SHARED )
+ 	set_property(TARGET OPENFHEcore PROPERTY RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+ 	install(TARGETS OPENFHEcore
+ 		EXPORT OpenFHETargets
+-		DESTINATION lib)
++		RUNTIME DESTINATION bin
++		LIBRARY DESTINATION lib
++		ARCHIVE DESTINATION lib)
+ endif()
+ 
+ 
+--- a/src/pke/CMakeLists.txt
++++ b/src/pke/CMakeLists.txt
+@@ -26,7 +26,9 @@ if( BUILD_SHARED )
+ 	set_property(TARGET OPENFHEpke PROPERTY RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+ 	install(TARGETS OPENFHEpke
+ 		EXPORT OpenFHETargets
+-		DESTINATION lib)
++		RUNTIME DESTINATION bin
++		LIBRARY DESTINATION lib
++		ARCHIVE DESTINATION lib)
+ endif()
+ 
+ if( BUILD_STATIC )