Add define for static build google benchmark.

Author: larshg

benchmarks/CMakeLists.txt

@@ -11,6 +11,8 @@ if(NOT build)
 endif()
 
 find_package(benchmark REQUIRED)
+get_target_property(BenchmarkBuildType benchmark::benchmark TYPE)
+
 add_custom_target(run_benchmarks)
 
 PCL_ADD_BENCHMARK(features_normal_3d FILES features/normal_3d.cpp

cmake/pcl_targets.cmake

@@ -441,6 +441,11 @@ function(PCL_ADD_BENCHMARK _name)
   target_link_libraries(benchmark_${_name} benchmark::benchmark ${ARGS_LINK_WITH})
   set_target_properties(benchmark_${_name} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 
+  # See https://github.com/google/benchmark/issues/1457
+  if(BenchmarkBuildType STREQUAL "STATIC_LIBRARY" AND benchmark_VERSION STREQUAL "1.7.0")
+    target_compile_definitions(benchmark_${_name} PUBLIC -DBENCHMARK_STATIC_DEFINE)
+  endif()
+
   #Only applies to MSVC
   if(MSVC)
     #Requires CMAKE version 3.13.0