[perf] Spawn off benchmark-shape from perf runner

perf/benchmark-shape.cc

@@ -63,3 +63,5 @@ BENCHMARK_CAPTURE (shape, en-words.txt - Roboto,
 		   "perf/texts/en-words.txt",
 		   HB_DIRECTION_LTR, HB_SCRIPT_LATIN,
 		   "perf/fonts/Roboto-Regular.ttf");
+
+BENCHMARK_MAIN();

perf/meson.build

@@ -21,6 +21,16 @@ benchmark('perf', executable('perf', 'perf.cc',
 ), workdir: meson.current_source_dir() / '..', timeout: 100)
 
 
+benchmark('benchmark-shape', executable('benchmark-shape', 'benchmark-shape.cc',
+  dependencies: [
+    google_benchmark_dep,
+  ],
+  cpp_args: [],
+  include_directories: [incconfig, incsrc],
+  link_with: [libharfbuzz],
+  install: false,
+), workdir: meson.current_source_dir() / '..', timeout: 100)
+
 benchmark('benchmark-set', executable('benchmark-set', 'benchmark-set.cc',
   dependencies: [
     google_benchmark_dep,

perf/perf.cc

@@ -4,7 +4,6 @@
 #include "config.h"
 #endif
 
-#include "perf-shaping.hh"
 #ifdef HAVE_FREETYPE
 enum backend_t { HARFBUZZ, FREETYPE, TTF_PARSER };
 #include "perf-extents.hh"