[Benchmarks] Update Meson.build file

- modify meson build to check for the existence of a dependency on Google Benchmarks
- configure it with options to run application benchmarks

**Self evaluation:**
1. Build test:	 [X]Passed [ ]Failed [ ]Skipped
2. Run test:	 [X]Passed [ ]Failed [ ]Skipped

Signed-off-by: Donghak PARK <[email protected]>

meson.build

@@ -293,7 +293,7 @@ endif
 gmock_dep = dependency('gmock', static: true, main: false, required: false)
 gtest_dep = dependency('gtest', static: true, main: false, required: false)
 gtest_main_dep = dependency('gtest', static: true, main: true, required: false)
-
+benchmark_dep = dependency('benchmark', static : true, main : false, required : false)
 
 if get_option('enable-test') # and get_option('platform') != 'android'
   extra_defines += '-DENABLE_TEST=1'
@@ -474,3 +474,7 @@ endif
 if get_option('platform') != 'none'
   message('building for ' + get_option('platform'))
 endif
+
+if get_option('enable-benchmarks')
+  subdir('benchmarks')
+endif

meson_options.txt

@@ -43,6 +43,7 @@ option('enable-openmp', type: 'boolean', value: true)
 option('enable-neon', type: 'boolean', value: false)
 option('enable-avx', type: 'boolean', value: false)
 option('enable-opencl', type: 'boolean', value: false)
+option('enable-benchmarks', type: 'boolean', value : false)
 
 # ml-api dependency (to enable, install capi-inference from github.com/nnstreamer/api )
 # To inter-operate with nnstreamer and ML-API packages, you need to enable this.