configure: avoid libdl detecion on *BSD

NetBSD and OpenBSD has no libdl
FreeBSD and DragonFlyBSD has libdl but dummy

These OSes are no need to use -ldl to use dlopen()

Fixes: https://github.com/alsa-project/alsa-lib/pull/290
Signed-off-by: SASANO Takayoshi <uaa@uaa.org.uk>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
SASANO Takayoshi 2023-01-03 11:13:19 +09:00 committed by Jaroslav Kysela
parent 2f9bbefb8d
commit fea9fc2298

View file

@ -255,9 +255,8 @@ AC_ARG_WITH(libdl,
[ have_libdl="$withval" ], [ have_libdl="yes" ])
HAVE_LIBDL=
if test "$have_libdl" = "yes"; then
AC_CHECK_LIB([dl], [dlsym], [HAVE_LIBDL="yes"])
AC_SEARCH_LIBS([dlsym], [dl], [HAVE_LIBDL="yes"])
if test "$HAVE_LIBDL" = "yes" ; then
ALSA_DEPLIBS="$ALSA_DEPLIBS -ldl"
AC_DEFINE([HAVE_LIBDL], 1, [Have libdl])
fi
else