configure: Remove SystemConfiguration header check (always present on macOS).

configure

@@ -7829,18 +7829,6 @@ then :
   printf "%s\n" "#define HAVE_OPENCL_OPENCL_H 1" >>confdefs.h
 
 fi
-ac_fn_c_check_header_compile "$LINENO" "SystemConfiguration/SCDynamicStoreCopyDHCPInfo.h" "ac_cv_header_SystemConfiguration_SCDynamicStoreCopyDHCPInfo_h" "$ac_includes_default"
-if test "x$ac_cv_header_SystemConfiguration_SCDynamicStoreCopyDHCPInfo_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_SYSTEMCONFIGURATION_SCDYNAMICSTORECOPYDHCPINFO_H 1" >>confdefs.h
-
-fi
-ac_fn_c_check_header_compile "$LINENO" "SystemConfiguration/SCNetworkConfiguration.h" "ac_cv_header_SystemConfiguration_SCNetworkConfiguration_h" "$ac_includes_default"
-if test "x$ac_cv_header_SystemConfiguration_SCNetworkConfiguration_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_SYSTEMCONFIGURATION_SCNETWORKCONFIGURATION_H 1" >>confdefs.h
-
-fi
 ac_fn_c_check_header_compile "$LINENO" "arpa/inet.h" "ac_cv_header_arpa_inet_h" "$ac_includes_default"
 if test "x$ac_cv_header_arpa_inet_h" = xyes
 then :

configure.ac

@@ -409,8 +409,6 @@ AC_CHECK_HEADERS(\
 	CL/cl.h \
 	EGL/egl.h \
 	OpenCL/opencl.h \
-	SystemConfiguration/SCDynamicStoreCopyDHCPInfo.h \
-	SystemConfiguration/SCNetworkConfiguration.h \
 	arpa/inet.h \
 	arpa/nameser.h \
 	asm/types.h \

dlls/mountmgr.sys/dbus.c

@@ -573,7 +573,7 @@ found:
     while (p_dbus_connection_read_write_dispatch( connection, -1 )) /* nothing */ ;
 }
 
-#if !defined(HAVE_SYSTEMCONFIGURATION_SCDYNAMICSTORECOPYDHCPINFO_H) || !defined(HAVE_SYSTEMCONFIGURATION_SCNETWORKCONFIGURATION_H)
+#if !defined(__APPLE__)
 
 /* The udisks dispatch loop will block all threads using the same connection, so we'll
    use a private connection. Multiple threads can make methods calls at the same time

dlls/mountmgr.sys/diskarb.c

@@ -33,8 +33,6 @@
 #include <sys/ioctl.h>
 #ifdef __APPLE__
 #include <DiskArbitration/DiskArbitration.h>
-#endif
-#if defined(HAVE_SYSTEMCONFIGURATION_SCDYNAMICSTORECOPYDHCPINFO_H) && defined(HAVE_SYSTEMCONFIGURATION_SCNETWORKCONFIGURATION_H)
 #include <SystemConfiguration/SCDynamicStoreCopyDHCPInfo.h>
 #include <SystemConfiguration/SCNetworkConfiguration.h>
 #endif
@@ -227,7 +225,7 @@ void run_diskarbitration_loop(void)
 
 #endif  /* __APPLE__ */
 
-#if defined(HAVE_SYSTEMCONFIGURATION_SCDYNAMICSTORECOPYDHCPINFO_H) && defined(HAVE_SYSTEMCONFIGURATION_SCNETWORKCONFIGURATION_H)
+#if defined(__APPLE__)
 
 static UInt8 map_option( unsigned int option )
 {

include/config.h.in

@@ -501,14 +501,6 @@
 /* Define to 1 if you have the `sysinfo' function. */
 #undef HAVE_SYSINFO
 
-/* Define to 1 if you have the
-   <SystemConfiguration/SCDynamicStoreCopyDHCPInfo.h> header file. */
-#undef HAVE_SYSTEMCONFIGURATION_SCDYNAMICSTORECOPYDHCPINFO_H
-
-/* Define to 1 if you have the <SystemConfiguration/SCNetworkConfiguration.h>
-   header file. */
-#undef HAVE_SYSTEMCONFIGURATION_SCNETWORKCONFIGURATION_H
-
 /* Define to 1 if you have the <sys/attr.h> header file. */
 #undef HAVE_SYS_ATTR_H