Update TARGETS

Summary:
Watch the build
Closes https://github.com/facebook/rocksdb/pull/3533

Differential Revision: D7063777

Pulled By: siying

fbshipit-source-id: db9cdfc362a8d281dada6513ab034a6d6f0d552e

TARGETS

@@ -46,7 +46,10 @@ rocksdb_preprocessor_flags = [
 ]
 
 rocksdb_arch_preprocessor_flags = {
-    "x86_64": ["-DHAVE_SSE42"],
+    "x86_64": [
+        "-DHAVE_SSE42",
+        "-DHAVE_PCLMUL",
+    ],
 }
 
 build_mode = read_config("fbcode", "build_mode")

buckifier/targets_cfg.py

@@ -50,7 +50,10 @@ rocksdb_preprocessor_flags = [
 ]
 
 rocksdb_arch_preprocessor_flags = {
-    "x86_64": ["-DHAVE_SSE42"],
+    "x86_64": [
+        "-DHAVE_SSE42",
+        "-DHAVE_PCLMUL",
+    ],
 }
 
 build_mode = read_config("fbcode", "build_mode")