chore(dev/benchmarks): Update benchmarks build for latest CMake changes (#730)

After #719, `target_link_libraries(... nanoarrow)` must be
`target_link_libraries(... nanoarrow::nanoarrow)` and I'd forgotten to
update the benchmarks build.

Author: paleolimbot

dev/benchmarks/CMakeLists.txt

@@ -71,8 +71,19 @@ elseif(NOT "${NANOARROW_BENCHMARK_SOURCE_URL}" STREQUAL "")
   endif()
 endif()
 
+# nanoarrow >= 0.7 uses an alias target (or explicit _static/_shared)
+if(NOT TARGET nanoarrow::nanoarrow)
+  message(STATUS "Adding nanoarrow::nanoarrow alias target")
+  add_library(nanoarrow::nanoarrow ALIAS nanoarrow)
+endif()
+
+if(NOT TARGET nanoarrow::nanoarrow_ipc)
+  message(STATUS "Adding nanoarrow::nanoarrow_ipc alias target")
+  add_library(nanoarrow::nanoarrow_ipc ALIAS nanoarrow_ipc)
+endif()
+
 # Check that either the parent scope or this CMakeLists.txt defines a nanoarrow target
-if(NOT TARGET nanoarrow OR NOT TARGET nanoarrow_ipc)
+if(NOT TARGET nanoarrow::nanoarrow OR NOT TARGET nanoarrow::nanoarrow_ipc)
   message(FATAL_ERROR "nanoarrow or nanoarrow_ipc target not found (missing -DNANOARROW_BENCHMARK_SOURCE_URL option?)"
   )
 endif()
@@ -92,8 +103,9 @@ enable_testing()
 
 foreach(ITEM schema;array;ipc)
   add_executable(${ITEM}_benchmark "c/${ITEM}_benchmark.cc")
-  target_link_libraries(${ITEM}_benchmark PRIVATE nanoarrow nanoarrow_ipc
-                                                  benchmark::benchmark_main)
+  target_link_libraries(${ITEM}_benchmark
+                        PRIVATE nanoarrow::nanoarrow nanoarrow::nanoarrow_ipc
+                                benchmark::benchmark_main)
   add_test(NAME ${ITEM}_benchmark COMMAND ${ITEM}_benchmark
                                           --benchmark_out=${ITEM}_benchmark.json)
   set_tests_properties(${ITEM}_benchmark PROPERTIES WORKING_DIRECTORY