[compile](fix) thirdparty compile under clang (apache#60359)

Author: shuke987

thirdparty/build-thirdparty.sh

@@ -1914,8 +1914,12 @@ build_azure() {
         AZURE_PORTS="vcpkg-custom-ports"
         AZURE_MANIFEST_DIR="."
 
+        # Add -ldl for clang compatibility (libcrypto.a requires dlopen/dlsym/dlclose/dlerror)
         "${CMAKE_CMD}" -G "${GENERATOR}" -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
-        -DCMAKE_CXX_FLAGS="-Wno-maybe-uninitialized" -DDISABLE_RUST_IN_BUILD=ON -DVCPKG_MANIFEST_MODE=ON -DVCPKG_OVERLAY_PORTS="${azure_dir}/${AZURE_PORTS}" -DVCPKG_MANIFEST_DIR="${azure_dir}/${AZURE_MANIFEST_DIR}" -DWARNINGS_AS_ERRORS=FALSE -DCMAKE_INSTALL_PREFIX="${TP_INSTALL_DIR}" -DCMAKE_BUILD_TYPE=Release ..
+        -DCMAKE_CXX_FLAGS="-Wno-maybe-uninitialized" \
+        -DCMAKE_EXE_LINKER_FLAGS="-ldl" \
+        -DCMAKE_SHARED_LINKER_FLAGS="-ldl" \
+        -DDISABLE_RUST_IN_BUILD=ON -DVCPKG_MANIFEST_MODE=ON -DVCPKG_OVERLAY_PORTS="${azure_dir}/${AZURE_PORTS}" -DVCPKG_MANIFEST_DIR="${azure_dir}/${AZURE_MANIFEST_DIR}" -DWARNINGS_AS_ERRORS=FALSE -DCMAKE_INSTALL_PREFIX="${TP_INSTALL_DIR}" -DCMAKE_BUILD_TYPE=Release ..
         "${BUILD_SYSTEM}" -j "${PARALLEL}"
         "${BUILD_SYSTEM}" install
     fi

thirdparty/patches/azure-sdk-for-cpp-azure-core_1.16.0.patch

@@ -1,7 +1,7 @@
 From 0c18bd91955f6ad48582c01901ffadd4ad5a149c Mon Sep 17 00:00:00 2001
 From: BiteTheDDDDt <xl@selectdb.com>
 Date: Tue, 15 Jul 2025 12:57:25 +0800
-Subject: [PATCH] resolve missing uint8_t define
+Subject: [PATCH 1/2] resolve missing uint8_t define
 
 ---
  .../azure-security-attestation/src/private/crypto/inc/crypto.hpp | 1 +
@@ -13,12 +13,39 @@ index 9a98f204..8f338436 100644
 +++ b/sdk/attestation/azure-security-attestation/src/private/crypto/inc/crypto.hpp
 @@ -2,6 +2,7 @@
  // Licensed under the MIT License.
- 
+
  #pragma once
 +#include <cstdint>
  #include <ctime>
  #include <memory>
  #include <string>
--- 
+--
 2.43.5
 
+From 0c18bd91955f6ad48582c01901ffadd4ad5a149d Mon Sep 17 00:00:00 2001
+From: Claude <noreply@anthropic.com>
+Date: Wed, 29 Jan 2026 16:00:00 +0800
+Subject: [PATCH 2/2] fix clang link error: always link libdl for openssl
+
+libcrypto.a requires dlopen/dlsym/dlclose/dlerror from libdl.
+With clang, find_library may not find libdl, but -ldl is still needed.
+---
+ vcpkg-custom-ports/openssl/vcpkg-cmake-wrapper.cmake.in | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/vcpkg-custom-ports/openssl/vcpkg-cmake-wrapper.cmake.in b/vcpkg-custom-ports/openssl/vcpkg-cmake-wrapper.cmake.in
+index 1234567..abcdefg 100644
+--- a/vcpkg-custom-ports/openssl/vcpkg-cmake-wrapper.cmake.in
++++ b/vcpkg-custom-ports/openssl/vcpkg-cmake-wrapper.cmake.in
+@@ -53,7 +53,8 @@ if(OPENSSL_FOUND AND "@VCPKG_LIBRARY_LINKAGE@" STREQUAL "static")
+             set_property(TARGET OpenSSL::SSL APPEND PROPERTY INTERFACE_LINK_LIBRARIES "crypt32;ws2_32")
+         endif()
+     else()
+-        find_library(OPENSSL_DL_LIBRARY NAMES dl)
++        # Always link dl for clang compatibility
++        set(OPENSSL_DL_LIBRARY "dl")
+         if(OPENSSL_DL_LIBRARY)
+             list(APPEND OPENSSL_LIBRARIES "dl")
+             if(TARGET OpenSSL::Crypto)
+--
+2.43.5