fix build

Author: cccclai

backends/qualcomm/scripts/download_qnn_sdk.py

@@ -247,7 +247,7 @@ def _extract_tar(archive_path: pathlib.Path, prefix: str, target_dir: pathlib.Pa
 # libc management
 ####################
 
-GLIBC_ROOT = pathlib.Path("/tmp/glibc-2.34")
+GLIBC_ROOT = pathlib.Path("/tmp/glibc-2.36")
 GLIBC_LOADER = GLIBC_ROOT / "lib" / "ld-linux-x86-64.so.2"
 GLIBC_LIBDIR = GLIBC_ROOT / "lib"
 GLIBC_REEXEC_GUARD = "QNN_GLIBC_REEXEC"
@@ -274,16 +274,17 @@ def _detect_glibc_version() -> Optional[Tuple[int, int]]:
 
 
 def _install_glibc_234():
-    """Download and build glibc 2.34 into /tmp/glibc-2.34 if missing."""
+    """Download and build glibc 2.36 into /tmp/glibc-2.36 if missing."""
     if GLIBC_LOADER.exists():
         logger.info("[glibc] Already installed at %s", GLIBC_ROOT)
         return
 
-    logger.info("[glibc] Installing glibc 2.34 into %s ...", GLIBC_ROOT)
-    url = "https://ftp.gnu.org/gnu/libc/glibc-2.34.tar.xz"
+    logger.info("[glibc] Installing glibc 2.36 into %s ...", GLIBC_ROOT)
+    # url = "https://ftp.gnu.org/gnu/libc/glibc-2.34.tar.xz"
+    url = "https://ftp.gnu.org/gnu/libc/glibc-2.36.tar.xz"
 
     with tempfile.TemporaryDirectory() as tmpdir:
-        tarball = pathlib.Path(tmpdir) / "glibc-2.34.tar.xz"
+        tarball = pathlib.Path(tmpdir) / "glibc-2.36.tar.xz"
         logger.info("[glibc] Downloading %s", url)
         urllib.request.urlretrieve(url, tarball)
         logger.info("[glibc] Downloaded %s", tarball)
@@ -300,10 +301,12 @@ def _install_glibc_234():
         # Remove LD_LIBRARY_PATH to satisfy configure checks
         env.pop("LD_LIBRARY_PATH", None)
         # allow warnings
-        env["CFLAGS"] = "-O2 -Wno-error"
+        # env["CFLAGS"] = "-O2 -Wno-error"
+        env["CFLAGS"] = "-O2 -Wno-error"  # prevent warnings-as-errors
+        env["CC"] = "gcc"  # explicit, avoids surprises
 
         # Configure
-        cmd = ["../glibc-2.34/configure", f"--prefix={GLIBC_ROOT}"]
+        cmd = ["../glibc-2.36/configure", f"--prefix={GLIBC_ROOT}"]
         logger.info("[glibc] Running: %s", " ".join(cmd))
         subprocess.check_call(cmd, cwd=build_dir, env=env)
 
@@ -318,7 +321,7 @@ def _install_glibc_234():
         subprocess.check_call(cmd, cwd=build_dir, env=env)
 
     if GLIBC_LOADER.exists():
-        logger.info("[glibc] Successfully installed glibc 2.34 at %s", GLIBC_ROOT)
+        logger.info("[glibc] Successfully installed glibc 2.36 at %s", GLIBC_ROOT)
     else:
         logger.error(
             "[glibc] Install finished but loader not found at %s", GLIBC_LOADER
@@ -558,7 +561,7 @@ def install_qnn_sdk() -> bool:
         True if both steps succeeded (or were already satisfied), else False.
     """
     logger.info("[QNN] Starting SDK installation")
-    # Re-exec with glibc 2.34 if needed.
+    # Re-exec with glibc 2.36 if needed.
     _reexec_with_new_glibc_if_needed()
 
     if _ensure_libcxx_stack():