From ca60f904801f97efcd716c3ab626b39db3659984 Mon Sep 17 00:00:00 2001
From: SASANO Takayoshi <uaa@uaa.org.uk>
Date: Wed, 4 Jan 2023 11:44:21 +0900
Subject: [PATCH] rewrite with AC_SEARCH_LIBS

---
 configure.ac | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/configure.ac b/configure.ac
index aaf869df..ff82c6e8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -255,19 +255,10 @@ AC_ARG_WITH(libdl,
   [ have_libdl="$withval" ], [ have_libdl="yes" ])
 HAVE_LIBDL=
 if test "$have_libdl" = "yes"; then
-  case $host_os in
-  netbsd* | freebsd* | dragonfly* | openbsd*)
-    HAVE_LIBDL=yes
+  AC_SEARCH_LIBS([dlsym], [dl], [HAVE_LIBDL="yes"])
+  if test "$HAVE_LIBDL" = "yes" ; then
     AC_DEFINE([HAVE_LIBDL], 1, [Have libdl])
-    ;;
-  *)
-    AC_CHECK_LIB([dl], [dlsym], [HAVE_LIBDL="yes"])
-    if test "$HAVE_LIBDL" = "yes" ; then
-      ALSA_DEPLIBS="$ALSA_DEPLIBS -ldl"
-      AC_DEFINE([HAVE_LIBDL], 1, [Have libdl])
-    fi
-    ;;
-  esac
+  fi
 else
   AC_MSG_RESULT(no)
 fi