[ruby/json] Reduce duplication in extconf.rb

https://github.com/ruby/json/commit/3ae3eeb9d3

1 files changed, 2 insertions, 26 deletions

diff --git a/ext/json/parser/extconf.rb b/ext/json/parser/extconf.rb
index eca4d8c108..0b62fd6135 100644
--- a/ext/json/parser/extconf.rb
+++ b/ext/json/parser/extconf.rb
@@ -9,31 +9,7 @@ have_func("strnlen", "string.h") # Missing on Solaris 10
 append_cflags("-std=c99")
 
 if enable_config('parser-use-simd', default=!ENV["JSON_DISABLE_SIMD"])
-    if RbConfig::CONFIG['host_cpu'] =~ /^(arm.*|aarch64.*)/
-      # Try to compile a small program using NEON instructions
-      if have_header('arm_neon.h')
-        have_type('uint8x16_t', headers=['arm_neon.h']) && try_compile(<<~'SRC')
-          #include <arm_neon.h>
-          int main() {
-              uint8x16_t test = vdupq_n_u8(32);
-              return 0;
-          }
-        SRC
-          $defs.push("-DJSON_ENABLE_SIMD")
-      end
-    end
-
-    if have_header('x86intrin.h') && have_type('__m128i', headers=['x86intrin.h']) && try_compile(<<~'SRC')
-      #include <x86intrin.h>
-      int main() {
-          __m128i test = _mm_set1_epi8(32);
-          return 0;
-      }
-      SRC
-        $defs.push("-DJSON_ENABLE_SIMD")
-    end
-
-    have_header('cpuid.h')
-  end
+  require_relative "../simd/conf.rb"
+end
 
 create_makefile 'json/ext/parser'