ext/extconf.rb in proc-wait3-1.7.3 vs ext/extconf.rb in proc-wait3-1.8.0

@@ -4,33 +4,10 @@
 ########################################################
 require 'mkmf'
 
 dir_config('proc-wait3')
 
-# We need this for older versions of Ruby.
-def have_const(const, header = nil, opt = "", &b)
-  checking_for const do
-    header = cpp_include(header)
-    if try_compile(<<"SRC", opt, &b)
-#{COMMON_HEADERS}
-#{header}
-/* top */
-static int t = #{const};
-SRC
-     $defs.push(
-        format(
-          "-DHAVE_CONST_%s",
-          const.strip.upcase.tr_s("^A-Z0-9_", "_")
-        )
-      )
-      true
-    else
-      false
-    end
-  end
-end
-
 have_header('wait.h')
 have_header('sys/resource.h')
 have_header('sys/wait.h')
 
 # wait3 is mandatory.
@@ -39,10 +16,19 @@
   exit
 end
 
 # Yay, Linux
 have_func('str2sig')
-have_func('strlcpy')
+
+if have_library('bsd')
+  if have_header('bsd/string.h')
+    have_func('strlcpy', 'bsd/string.h')
+  else
+    have_func('strlcpy')
+  end
+else
+  have_func('strlcpy')
+end
 
 # wait4, waitid, etc, are optional (HPUX, et al)
 have_func('wait4')
 have_func('waitid')
 have_func('sigset')