--extra-cmake-defines should be a global flag

Summary:
X-link: https://github.com/facebookincubator/zstrong/pull/858

Because it needs to be passed to other commands that use project
hashes, such as "test".

(in general there are probably a lot more of these, just fixing the
ones I've ran into so far)

Reviewed By: genevievehelsel

Differential Revision: D58082245

fbshipit-source-id: 09fa6b5ce4cc4b3ae7ecfb34ac83681cecb36e3c

build/fbcode_builder/getdeps.py

@@ -788,14 +788,6 @@ class BuildCmd(ProjectCmdBase):
         parser.add_argument(
             "--schedule-type", help="Indicates how the build was activated"
         )
-        parser.add_argument(
-            "--extra-cmake-defines",
-            help=(
-                "Input json map that contains extra cmake defines to be used "
-                "when compiling the current project and all its deps. "
-                'e.g: \'{"CMAKE_CXX_FLAGS": "--bla"}\''
-            ),
-        )
         parser.add_argument(
             "--cmake-target",
             help=("Target for cmake build."),
@@ -1326,6 +1318,14 @@ def parse_args():
         action="store_true",
         default=False,
     )
+    add_common_arg(
+        "--extra-cmake-defines",
+        help=(
+            "Input json map that contains extra cmake defines to be used "
+            "when compiling the current project and all its deps. "
+            'e.g: \'{"CMAKE_CXX_FLAGS": "--bla"}\''
+        ),
+    )
     add_common_arg(
         "--allow-system-packages",
         help="Allow satisfying third party deps from installed system packages",