Link benchexe with treads dep

Fixing linking failure with libbenchmark 1.7 (now needs pthreads)

Author: WilliamTambellini

meson.build

@@ -68,10 +68,11 @@ endif
 
 if get_option('build_benchmarks')
   gbench_dep = dependency('benchmark', required : true, static: false)
+  thread_dep = dependency('threads') # recent libbenchmark use pthread_create
   subdir('benchmarks')
   benchexe = executable('benchexe',
                       include_directories : [src, lib, utils, bench],
-                      dependencies : [gbench_dep],
+                      dependencies : [gbench_dep, thread_dep],
                       link_args: ['-lbenchmark_main', ipplink],
                       link_whole : [libbench],
                       link_with : libsimdsort,