$NetBSD: patch-configure.ac,v 1.2 2022/03/31 12:16:24 jperkin Exp $

Add support for blocklist(blacklist).
Fix linker flags on SunOS.

--- configure.ac.orig	2022-03-07 08:48:03.000000000 +0000
+++ configure.ac
@@ -721,6 +721,16 @@ AC_CHECK_FUNCS([sched_yield pthread_yiel
 AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np])
 AC_CHECK_HEADERS([pthread_np.h], [], [], [#include <pthread.h>])
 
+# libblocklist(libblacklist)
+AC_MSG_CHECKING(for libblocklist)
+AC_CHECK_HEADER([blocklist.h],
+  [AC_DEFINE([HAVE_BLOCKLIST_H], [1])
+   AC_CHECK_LIB(blocklist, blocklist)],
+  [AC_MSG_CHECKING(for libblacklist)
+   AC_CHECK_HEADER([blacklist.h],
+   [AC_DEFINE([HAVE_BLACKLIST_H], [1])
+    AC_CHECK_LIB(blacklist, blacklist)])])
+
 # libuv
 AC_MSG_CHECKING(for libuv)
 PKG_CHECK_MODULES([LIBUV], [libuv >= 1.0.0], [],
@@ -1388,6 +1398,18 @@ AS_CASE([$with_libxml2],
 				 [AC_DEFINE([HAVE_LIBXML2], [1], [Use libxml2 library])])],
 	[AC_MSG_ERROR([Specifying libxml2 installation path is not supported, adjust PKG_CONFIG_PATH instead])])
 
+# blocklist
+AC_ARG_WITH([blocklist],
+	    [AS_HELP_STRING([--with-blocklist],
+		[enable blocklist support [yes|no|detect] (default is detect)])],
+		[], [with_blocklist="$with_blocklist"])
+
+# blacklist
+AC_ARG_WITH([blacklist],
+	    [AS_HELP_STRING([--with-blacklist],
+		[enable blacklist support [yes|no|detect] (default is detect)])],
+		[], [with_blacklist="$with_blacklist"])
+
 #
 # DEPRECATED
 #
@@ -2523,9 +2545,9 @@ AS_IF([test "$with_dlopen" = "yes"],
 		       ])
 	       ],
 	       [*-solaris*],[
-		 SO_CFLAGS="-KPIC"
-		 SO_LDFLAGS="-G -z text"
-		 SO_LD="ld"
+		 SO_CFLAGS="-fPIC"
+		 SO_LDFLAGS="-Xcompiler -shared"
+		 SO_LD="${CC}"
 	       ],
 	       [ia64-hp-hpux*],[
 		 SO_CFLAGS="+z"