diff options
Diffstat (limited to 'm4/ac_dll.m4')
| -rw-r--r-- | m4/ac_dll.m4 | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/m4/ac_dll.m4 b/m4/ac_dll.m4 new file mode 100644 index 0000000..ad7438a --- /dev/null +++ b/m4/ac_dll.m4 @@ -0,0 +1,47 @@ + +# AC_LTDL_DLLIB +# ------------- +AC_DEFUN([AC_LTDL_DLLIB], +[LIBADD_DL= +AC_SUBST(LIBADD_DL) + +AC_CHECK_FUNC([shl_load], + [AC_DEFINE([HAVE_SHL_LOAD], [1], + [Define if you have the shl_load function.])], + [AC_CHECK_LIB([dld], [shl_load], + [AC_DEFINE([HAVE_SHL_LOAD], [1], + [Define if you have the shl_load function.]) + LIBADD_DL="$LIBADD_DL -ldld"], + [AC_CHECK_LIB([dl], [dlopen], + [AC_DEFINE([HAVE_LIBDL], [1], + [Define if you have the libdl library or equivalent.]) + LIBADD_DL="-ldl"], + [AC_TRY_LINK([#if HAVE_DLFCN_H +# include <dlfcn.h> +#endif + ], + [dlopen(0, 0);], + [AC_DEFINE([HAVE_LIBDL], [1], + [Define if you have the libdl library or equivalent.])], + [AC_CHECK_LIB([svld], [dlopen], + [AC_DEFINE([HAVE_LIBDL], [1], + [Define if you have the libdl library or equivalent.]) + LIBADD_DL="-lsvld"], + [AC_CHECK_LIB([dld], [dld_link], + [AC_DEFINE([HAVE_DLD], [1], + [Define if you have the GNU dld library.]) + LIBADD_DL="$LIBADD_DL -ldld" + ]) + ]) + ]) + ]) + ]) +]) + +if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then + LIBS_SAVE="$LIBS" + LIBS="$LIBS $LIBADD_DL" + AC_CHECK_FUNCS(dlerror) + LIBS="$LIBS_SAVE" +fi +])# AC_LTDL_DLLIB |