1 2# AC_LTDL_DLLIB 3# ------------- 4AC_DEFUN([AC_LTDL_DLLIB], 5[LIBADD_DL= 6AC_SUBST(LIBADD_DL) 7 8AC_CHECK_FUNC([shl_load], 9 [AC_DEFINE([HAVE_SHL_LOAD], [1], 10 [Define if you have the shl_load function.])], 11 [AC_CHECK_LIB([dld], [shl_load], 12 [AC_DEFINE([HAVE_SHL_LOAD], [1], 13 [Define if you have the shl_load function.]) 14 LIBADD_DL="$LIBADD_DL -ldld"], 15 [AC_CHECK_LIB([dl], [dlopen], 16 [AC_DEFINE([HAVE_LIBDL], [1], 17 [Define if you have the libdl library or equivalent.]) 18 LIBADD_DL="-ldl"], 19 [AC_TRY_LINK([#if HAVE_DLFCN_H 20# include <dlfcn.h> 21#endif 22 ], 23 [dlopen(0, 0);], 24 [AC_DEFINE([HAVE_LIBDL], [1], 25 [Define if you have the libdl library or equivalent.])], 26 [AC_CHECK_LIB([svld], [dlopen], 27 [AC_DEFINE([HAVE_LIBDL], [1], 28 [Define if you have the libdl library or equivalent.]) 29 LIBADD_DL="-lsvld"], 30 [AC_CHECK_LIB([dld], [dld_link], 31 [AC_DEFINE([HAVE_DLD], [1], 32 [Define if you have the GNU dld library.]) 33 LIBADD_DL="$LIBADD_DL -ldld" 34 ]) 35 ]) 36 ]) 37 ]) 38 ]) 39]) 40 41if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then 42 LIBS_SAVE="$LIBS" 43 LIBS="$LIBS $LIBADD_DL" 44 AC_CHECK_FUNCS(dlerror) 45 LIBS="$LIBS_SAVE" 46fi 47])# AC_LTDL_DLLIB 48