manupa-arm commented on a change in pull request #7333:
URL: https://github.com/apache/tvm/pull/7333#discussion_r574693544
##########
File path: python/tvm/micro/build.py
##########
@@ -55,15 +57,62 @@ def path(self):
CRT_RUNTIME_LIB_NAMES = ["utvm_rpc_server", "utvm_rpc_common", "common"]
-TVM_ROOT_DIR = os.path.realpath(os.path.join(os.path.dirname(__file__), "..",
"..", ".."))
+STANDALONE_CRT_DIR = None
-CRT_ROOT_DIR = os.path.join(TVM_ROOT_DIR, "src", "runtime", "crt")
+class CrtNotFoundError(Exception):
+ """Raised when the standalone CRT dirtree cannot be found."""
-RUNTIME_LIB_SRC_DIRS = [os.path.join(CRT_ROOT_DIR, n) for n in
CRT_RUNTIME_LIB_NAMES] + [
- os.path.join(TVM_ROOT_DIR, "3rdparty/libcrc/src")
-]
+def get_standalone_crt_dir() -> str:
+ """Find the standalone_crt directory.
+
+ Though the C runtime source lives in the tvm tree, it is intended to be
distributed with any
+ binary build of TVM. This source tree is intended to be integrated into
user projects to run
+ models targeted with --runtime=c.
+
+ Returns
+ -------
+ str :
+ The path to the standalone_crt
+ """
+ global STANDALONE_CRT_DIR
+ if STANDALONE_CRT_DIR is None:
Review comment:
Ack
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