Add ZSTD dependency to lldELF

Add ZSTD dependency to lldELF

Author: amielcza

IGC/cmake/igc_find_liblldELF.cmake

@@ -136,6 +136,17 @@ elseif(IGC_BUILD__LLVM_PREBUILDS)
     target_link_libraries(lldELF INTERFACE ZLIB::ZLIB)
   endif()
 
+  if(LLVM_ENABLE_ZSTD)
+    find_package(zstd)
+    if(zstd_LIBRARY MATCHES "${zstd_SHARED_LIBRARY_SUFFIX}$")
+      target_link_libraries(lldELF INTERFACE zstd::libzstd_shared)
+    elseif(zstd_STATIC_LIBRARY MATCHES "${zstd_STATIC_LIBRARY_SUFFIX}$")
+      target_link_libraries(lldELF INTERFACE zstd::libzstd_static)
+    else()
+      message(FATAL_ERROR "Cannot find zstd library. Please install the missing library.")
+    endif()
+  endif()
+
   if(NOT DEFINED IGC_OPTION__LLDELF_H_DIR)
     set(IGC_OPTION__LLDELF_H_DIR ${LLVM_ROOT})
   endif()