Remove configure-time loopback interface detection (#7702)
This was used by the now obsolete clustering implementation
diff --git a/build/network.m4 b/build/network.m4
index 78dae1c..5376ac7 100644
--- a/build/network.m4
+++ b/build/network.m4
@@ -19,24 +19,6 @@
dnl
dnl
-dnl TS_CHECK_LOOPBACK_IFACE: try to figure out default loopback interface
-dnl
-AC_DEFUN([TS_CHECK_LOOPBACK_IFACE], [
-default_loopback_iface=""
-AC_MSG_CHECKING([for loopback network interface])
-case $host_os in
- linux*)
- default_loopback_iface=lo
- ;;
-darwin* | freebsd* | solaris*)
- default_loopback_iface=lo0
- ;;
-esac
-AC_MSG_RESULT([$default_loopback_iface])
-AC_SUBST([default_loopback_iface])
-])
-
-dnl
dnl Check on IN6_IS_ADDR_UNSPECIFIED. We can't just check if it is defined
dnl because some releases of FreeBSD and Solaris define it incorrectly.
dnl
diff --git a/configure.ac b/configure.ac
index d18b3c5..a31f077 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2102,7 +2102,6 @@
AC_SUBST(has_ip_tos)
AC_SUBST(has_so_peercred)
-TS_CHECK_LOOPBACK_IFACE
TS_CHECK_MACRO_IN6_IS_ADDR_UNSPECIFIED
AC_CHECK_TYPE([struct tcp_info],
diff --git a/include/tscore/ink_config.h.in b/include/tscore/ink_config.h.in
index 49135ee..8b80172 100644
--- a/include/tscore/ink_config.h.in
+++ b/include/tscore/ink_config.h.in
@@ -121,7 +121,5 @@
#define TS_BUILD_CANONICAL_HOST "@host@"
-#define TS_BUILD_DEFAULT_LOOPBACK_IFACE "@default_loopback_iface@"
-
static const int DEFAULT_STACKSIZE = @default_stack_size@;
/* clang-format on */
