Allow consumers of static builds to find nanoarrow

cpp/cmake/thirdparty/get_nanoarrow.cmake

@@ -49,6 +49,7 @@ function(find_and_configure_nanoarrow)
     OPTIONS "BUILD_SHARED_LIBS OFF" "NANOARROW_NAMESPACE cudf"
   )
   set_target_properties(nanoarrow PROPERTIES POSITION_INDEPENDENT_CODE ON)
+  rapids_export_find_package_root(BUILD nanoarrow "${nanoarrow_BINARY_DIR}" EXPORT_SET cudf-exports)
 endfunction()
 
 find_and_configure_nanoarrow(

cpp/cmake/thirdparty/patches/nanoarrow_cmake.diff

@@ -1,5 +1,5 @@
 diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 8714c70..1feec13 100644
+index 8714c70..6a9e505 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
 @@ -49,7 +49,6 @@ else()
@@ -10,7 +10,15 @@ index 8714c70..1feec13 100644
 
  # Avoids a warning about timestamps on downloaded files (prefer new policy
  # if available))
-@@ -111,6 +110,8 @@ if(NANOARROW_BUNDLE)
+@@ -59,6 +58,7 @@ endif()
+
+ configure_file(src/nanoarrow/nanoarrow_config.h.in generated/nanoarrow_config.h)
+
++include(GNUInstallDirs)
+ if(NANOARROW_BUNDLE)
+   # Combine all headers into amalgamation/nanoarrow.h in the build directory
+   file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/amalgamation)
+@@ -111,6 +111,8 @@ if(NANOARROW_BUNDLE)
    if(NANOARROW_BUILD_TESTS)
      include_directories(${CMAKE_BINARY_DIR}/amalgamation)
      add_library(nanoarrow ${NANOARROW_C_TEMP})
@@ -19,33 +27,39 @@ index 8714c70..1feec13 100644
      target_compile_definitions(nanoarrow PUBLIC "$<$<CONFIG:Debug>:NANOARROW_DEBUG>")
    endif()
 
-@@ -120,6 +121,7 @@ if(NANOARROW_BUNDLE)
+@@ -120,10 +122,11 @@ if(NANOARROW_BUNDLE)
  else()
    add_library(nanoarrow src/nanoarrow/array.c src/nanoarrow/schema.c
                          src/nanoarrow/array_stream.c src/nanoarrow/utils.c)
 +  add_library(nanoarrow::nanoarrow ALIAS nanoarrow)
 
    target_include_directories(nanoarrow
                               PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
-@@ -154,13 +156,50 @@ else()
+-                                    $<INSTALL_INTERFACE:include>)
++                                    $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+   target_include_directories(nanoarrow
+                              PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/generated>
+   )
+@@ -154,13 +157,49 @@ else()
      endif()
    endif()
 
 -  install(TARGETS nanoarrow DESTINATION lib)
 +  install(TARGETS nanoarrow
-+          DESTINATION lib
++          DESTINATION "${CMAKE_INSTALL_LIBDIR}"
 +          EXPORT nanoarrow-exports)
    install(DIRECTORY src/
-           DESTINATION include
+-          DESTINATION include
++          DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
            FILES_MATCHING
 -          PATTERN "*.h")
 +          PATTERN "*.h*")
    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/generated/nanoarrow_config.h
-           DESTINATION include/nanoarrow)
+-          DESTINATION include/nanoarrow)
++          DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/nanoarrow")
 +
 +  # Generate package files for the build and install trees.
 +  include(CMakePackageConfigHelpers)
-+  include(GNUInstallDirs)
 +
 +  foreach(tree_type BUILD INSTALL)
 +    if(tree_type STREQUAL "BUILD")
@@ -80,6 +94,15 @@ index 8714c70..1feec13 100644
  endif()
 
  # Always build integration test if building tests
+@@ -171,7 +210,7 @@ if(NANOARROW_BUILD_TESTS OR NANOARROW_BUILD_INTEGRATION_TESTS)
+               src/nanoarrow/integration/c_data_integration.cc)
+   target_include_directories(nanoarrow_c_data_integration
+                              PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
+-                                    $<INSTALL_INTERFACE:include>)
++                                    $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+   target_link_libraries(nanoarrow_c_data_integration PRIVATE nanoarrow nlohmann_json)
+ endif()
+
 @@ -215,34 +254,18 @@ if(NANOARROW_BUILD_TESTS)
                   src/nanoarrow/integration/c_data_integration_test.cc)