vppinfra: cleaner way of getting libdl in CMake

Cmake has a dedicated CMAKE_DL_LIBS variable to get libdl; use it
instead of trying to find it manually.

Type: improvement
Signed-off-by: Guillaume Solignac <gsoligna@cisco.com>
Change-Id: I9969c6be029f6a6e09cccaecd50e9eaf7d785b34

diff --git a/src/vppinfra/CMakeLists.txt b/src/vppinfra/CMakeLists.txt
index 233e75d..0b8b6ae 100644 (file)
--- a/src/vppinfra/CMakeLists.txt
+++ b/src/vppinfra/CMakeLists.txt
@@ -16,15 +16,7 @@ enable_language(ASM)
 ##############################################################################
 # find libdl
 ##############################################################################
-vpp_find_path(LIBDL_INCLUDE_DIR dlfcn.h)
-vpp_find_library(LIBDL_LIB NAMES dl)
-
-if (LIBDL_INCLUDE_DIR AND LIBDL_LIB)
-  message(STATUS "libdl found at ${LIBDL_LIB}")
-  list(APPEND VPPINFRA_LIBS ${LIBDL_LIB})
-else()
-  message(FATAL_ERROR "libdl not found")
-endif()
+list(APPEND VPPINFRA_LIBS ${CMAKE_DL_LIBS})
 
 ##############################################################################
 # find libunwind