add check_glibc_exist

Author: cccclai

backends/qualcomm/__init__.py

@@ -1,13 +1,18 @@
 import os
 
-from .scripts.download_qnn_sdk import install_qnn_sdk, is_linux_x86
+from .scripts.download_qnn_sdk import check_glibc_exist, install_qnn_sdk, is_linux_x86
 
 
 env_flag = os.getenv("EXECUTORCH_BUILDING_WHEEL", "0").lower()
 # If users have preinstalled QNN_SDK_ROOT, we will use it.
 qnn_sdk_root_flag = os.getenv("QNN_SDK_ROOT", None)
 
-if env_flag not in ("1", "true", "yes") and not qnn_sdk_root_flag and is_linux_x86():
+if (
+    env_flag not in ("1", "true", "yes")
+    and not qnn_sdk_root_flag
+    and is_linux_x86()
+    and check_glibc_exist()
+):
     ok = install_qnn_sdk()
 
     if not ok:

backends/qualcomm/scripts/download_qnn_sdk.py

@@ -38,6 +38,34 @@ def is_linux_x86() -> bool:
     )
 
 
+REQUIRED_QNN_LIBS = ["libc.so.6"]
+
+
+def check_glibc_exist() -> bool:
+    """
+    Check if users have glibc installed.
+    """
+    paths = ["/lib/x86_64-linux-gnu/libc.so.6", "/lib64/libc.so.6", "/lib/libc.so.6"]
+
+    exists = any(os.path.isfile(p) for p in paths)
+    if not exists:
+        logger.error(
+            r""""
+            glibc not found. Please install glibc following the commands below.
+            Ubuntu/Debian:
+                sudo apt update
+                sudo apt install libc6
+
+            Fedora/Red Hat:
+                sudo dnf install glibc
+
+            Arch Linux:
+                sudo pacman -S glibc
+            """
+        )
+    return exists
+
+
 def _download_archive(url: str, archive_path: pathlib.Path) -> bool:
     """Download archive from URL with progress reporting."""
     logger.debug("Archive will be saved to: %s", archive_path)

setup.py

@@ -467,10 +467,11 @@ def run(self):
             # Following code is for building the Qualcomm backend.
             from backends.qualcomm.scripts.download_qnn_sdk import (
                 _download_qnn_sdk,
+                check_glibc_exist,
                 is_linux_x86,
             )
 
-            if is_linux_x86():
+            if is_linux_x86() and check_glibc_exist():
                 os.environ["EXECUTORCH_BUILDING_WHEEL"] = "1"
 
                 with tempfile.TemporaryDirectory() as tmpdir: