--- nginx-1.21.3.orig/auto/os/linux	2021-09-07 17:21:03.000000000 +0200
+++ nginx-1.21.3/auto/os/linux	2021-10-29 14:50:09.089546624 +0200
@@ -36,7 +36,7 @@ fi
 
 ngx_feature="epoll"
 ngx_feature_name="NGX_HAVE_EPOLL"
-ngx_feature_run=yes
+ngx_feature_run=no
 ngx_feature_incs="#include <sys/epoll.h>"
 ngx_feature_path=
 ngx_feature_libs=
@@ -135,7 +135,7 @@ ngx_feature_test="int fd; struct stat sb
 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE"
 ngx_feature="sendfile()"
 ngx_feature_name="NGX_HAVE_SENDFILE"
-ngx_feature_run=yes
+ngx_feature_run=no
 ngx_feature_incs="#include <sys/sendfile.h>
                   #include <errno.h>"
 ngx_feature_path=
@@ -156,7 +156,7 @@ fi
 CC_AUX_FLAGS="$cc_aux_flags -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64"
 ngx_feature="sendfile64()"
 ngx_feature_name="NGX_HAVE_SENDFILE64"
-ngx_feature_run=yes
+ngx_feature_run=no
 ngx_feature_incs="#include <sys/sendfile.h>
                   #include <errno.h>"
 ngx_feature_path=
@@ -174,7 +174,7 @@ ngx_include="sys/prctl.h"; . auto/includ
 
 ngx_feature="prctl(PR_SET_DUMPABLE)"
 ngx_feature_name="NGX_HAVE_PR_SET_DUMPABLE"
-ngx_feature_run=yes
+ngx_feature_run=no
 ngx_feature_incs="#include <sys/prctl.h>"
 ngx_feature_path=
 ngx_feature_libs=
@@ -215,20 +215,6 @@ ngx_feature_test="struct __user_cap_data
                   (void) SYS_capset"
 . auto/feature
 
-
-# crypt_r()
-
-ngx_feature="crypt_r()"
-ngx_feature_name="NGX_HAVE_GNU_CRYPT_R"
-ngx_feature_run=no
-ngx_feature_incs="#include <crypt.h>"
-ngx_feature_path=
-ngx_feature_libs=-lcrypt
-ngx_feature_test="struct crypt_data  cd;
-                  crypt_r(\"key\", \"salt\", &cd);"
-. auto/feature
-
-
 ngx_include="sys/vfs.h";     . auto/include