$OpenBSD: patch-configure,v 1.23 2021/05/15 17:06:01 ajacoutot Exp $

Index: configure
--- configure.orig
+++ configure
@@ -11443,6 +11443,11 @@ else
     lt_cv_dlopen_libs=
     ;;
 
+  openbsd*)
+    lt_cv_dlopen="dlopen"
+    lt_cv_dlopen_libs=
+    ;;
+
   darwin*)
   # if libdl is installed we need to link against it
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
@@ -15381,50 +15386,6 @@ if test "x$ac_cv_lib_jpeg_jpeg_set_defaults" = xyes; t
 else
   as_fn_error 102 "\"cannot find libjpeg support\"" "$LINENO" 5
 fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
-$as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-ldl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-int
-main ()
-{
-return dlopen ();
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_dl_dlopen=yes
-else
-  ac_cv_lib_dl_dlopen=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-$as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
-  LIBS="$LIBS" $as_echo "#define HAVE_LIBDL 1" >>confdefs.h
-
-else
-  as_fn_error 104 "\"cannot find libdl support\"" "$LINENO" 5
-fi
-
 
 # Checks for required header files.
 for ac_header in pthread.h
