+#--------------------------------------------------------------------------------------------------
+### Check for GNU dynamic linker
+CHECK_INCLUDE_FILE("dlfcn.h" HAVE_DLFCN_H)
+if (HAVE_DLFCN_H)
+ execute_process(COMMAND ${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/test_prog/prog_gnu_dynlinker.c -ldl -o test_gnu_ld
+ WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+ OUTPUT_VARIABLE HAVE_GNU_LD_compil
+ )
+ if(HAVE_GNU_LD_compil)
+ set(HAVE_GNU_LD 0)
+ message(STATUS "Warning: test program toward GNU ld failed to compile:")
+ message(STATUS "${HAVE_GNU_LD_comp_output}")
+ else()
+
+ execute_process(COMMAND ./test_gnu_ld
+ WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+ RESULT_VARIABLE HAVE_GNU_LD_run
+ OUTPUT_VARIABLE var_exec
+ )
+
+ if(NOT HAVE_GNU_LD_run)
+ set(HAVE_GNU_LD 1)
+ message(STATUS "We are using GNU dynamic linker")
+ else()
+ set(HAVE_GNU_LD 0)
+ message(STATUS "Warning: error while checking for GNU ld:")
+ message(STATUS "Test output: '${var_exec}'")
+ message(STATUS "Exit status: ${HAVE_GNU_LD_run}")
+ endif()
+ file(REMOVE test_gnu_ld)
+ endif()
+endif()
+
+