chore: require at least benchmark 1.8

Author: mhx

CMakeLists.txt

@@ -767,7 +767,7 @@ endif()
 
 if(WITH_BENCHMARKS)
   if(NOT STATIC_BUILD_DO_NOT_USE)
-    find_package(benchmark)
+    find_package(benchmark 1.8)
     if(benchmark_FOUND)
       add_executable(dwarfs_benchmark test/dwarfs_benchmark.cpp)
       target_link_libraries(dwarfs_benchmark test_helpers benchmark::benchmark)

ricepp/CMakeLists.txt

@@ -146,7 +146,7 @@ endif()
 # target_link_libraries(ricepp_demo PRIVATE ricepp fmt)
 
 if(WITH_BENCHMARKS)
-  find_package(benchmark)
+  find_package(benchmark 1.8)
   if(benchmark_FOUND)
     add_executable(ricepp_benchmark ricepp_benchmark.cpp)
     target_link_libraries(ricepp_benchmark ricepp benchmark::benchmark)