diff -Nurd lftp-4.9.2.orig/configure lftp-4.9.2/configure
--- lftp-4.9.2.orig/configure	2020-08-13 15:57:05.000000000 -0400
+++ lftp-4.9.2/configure	2022-05-22 00:50:58.000000000 -0400
@@ -57428,6 +57428,7 @@
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+#include <stdio.h>
 
 	 int main()
 	 {
diff -Nurd lftp-4.9.2.orig/src/lftp_ssl.cc lftp-4.9.2/src/lftp_ssl.cc
--- lftp-4.9.2.orig/src/lftp_ssl.cc	2020-01-29 15:36:37.000000000 -0500
+++ lftp-4.9.2/src/lftp_ssl.cc	2022-05-22 00:48:26.000000000 -0400
@@ -854,8 +854,12 @@
       } opt_table[]={
 	 {"-SSL3.0",SSL_OP_NO_SSLv3},
 	 {"-TLS1.0",SSL_OP_NO_TLSv1},
+#ifdef SSL_OP_NO_TLSv1_1
 	 {"-TLS1.1",SSL_OP_NO_TLSv1_1},
+#endif
+#ifdef SSL_OP_NO_TLSv1_2
 	 {"-TLS1.2",SSL_OP_NO_TLSv1_2},
+#endif
 	 {"",0}
       };
       char *to_parse=alloca_strdup(priority);
diff -Nurd lftp-4.9.2.orig/src/module.cc lftp-4.9.2/src/module.cc
--- lftp-4.9.2.orig/src/module.cc	2016-02-20 08:57:53.000000000 -0500
+++ lftp-4.9.2/src/module.cc	2022-05-22 00:48:57.000000000 -0400
@@ -117,7 +117,7 @@
 /* dlopen can take a file without extension and automatically do the
  * right thing, however that doesn't fit with this code that tries to
  * stat before the dlopen call, hence need some help here */
-#if defined(__MACH__) && defined(__APPLE__)
+#if 0
 static const char ext[] = ".bundle";
 #else
 static const char ext[] = ".so";