diff --git a/common/environment/autoconf_cache/arm-common b/common/environment/autoconf_cache/arm-common
index 1893dc0ab8..626d2b0dc8 100644
--- a/common/environment/autoconf_cache/arm-common
+++ b/common/environment/autoconf_cache/arm-common
@@ -7,6 +7,7 @@ ac_cv_func_stat_ignores_trailing_slash=${ac_cv_func_stat_ignores_trailing_slash=
 ac_cv_header_netinet_sctp_h=${ac_cv_header_netinet_sctp_h=no}
 ac_cv_header_netinet_sctp_uio_h=${ac_cv_header_netinet_sctp_uio_h=no}
 ac_cv_sctp=${ac_cv_sctp=no}
+ac_cv_sizeof_struct_iovec=8
 
 # apache
 ac_cv_func_pthread_key_delete=${ac_cv_func_pthread_key_delete=yes}
diff --git a/common/environment/autoconf_cache/ix86-common b/common/environment/autoconf_cache/ix86-common
index 5cd2ce262c..ff9fb28620 100644
--- a/common/environment/autoconf_cache/ix86-common
+++ b/common/environment/autoconf_cache/ix86-common
@@ -29,6 +29,7 @@ ac_cv_func_setvbuf_reversed=${ac_cv_func_setvbuf_reversed=no}
 ac_cv_func_stat_empty_string_bug=${ac_cv_func_stat_empty_string_bug=no}
 ac_cv_func_stat_ignores_trailing_slash=${ac_cv_func_stat_ignores_trailing_slash=no}
 ac_cv_va_val_copy=${ac_cv_va_val_copy=yes}
+ac_cv_sizeof_struct_iovec=8
 
 ac_cv_header_netinet_sctp_h=${ac_cv_header_netinet_sctp_h=no}
 ac_cv_header_netinet_sctp_uio_h=${ac_cv_header_netinet_sctp_uio_h=no}
diff --git a/common/environment/autoconf_cache/mips-common b/common/environment/autoconf_cache/mips-common
index 89d72cba47..8e7a6244b5 100644
--- a/common/environment/autoconf_cache/mips-common
+++ b/common/environment/autoconf_cache/mips-common
@@ -1,5 +1,6 @@
 # general
 ac_cv_va_val_copy=${ac_cv_va_val_copy=yes}
+ac_cv_sizeof_struct_iovec=8
 
 # cvs
 cvs_cv_func_printf_ptr=${cvs_cv_func_printf_ptr=yes}
diff --git a/common/environment/autoconf_cache/x86_64-linux b/common/environment/autoconf_cache/x86_64-linux
index 573a9070ee..bc5c869361 100644
--- a/common/environment/autoconf_cache/x86_64-linux
+++ b/common/environment/autoconf_cache/x86_64-linux
@@ -33,6 +33,7 @@ db_cv_alignp_t=${db_cv_alignp_t='unsigned long long'}
 db_cv_align_t=${db_cv_align_t='unsigned long long'}
 db_cv_fcntl_f_setfd=${db_cv_fcntl_f_setfd=yes}
 db_cv_sprintf_count=${db_cv_sprintf_count=yes}
+ac_cv_sizeof_struct_iovec=16
 
 # glib
 glib_cv_hasinline=${glib_cv_hasinline=yes}