--- /dev/null
+When checking if the architecture supports the %time register
+instruction, do not force -mcpu to v9 while doing so. Otherwise it's
+like "let's see if this v9 instruction exists when I force the compiler
+to think I'm using v9", which is non-sensical.
+
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+
+diff -Naurp ./snort-2.9.11.1-orig/configure.in snort-2.9.11.1/configure.in
+--- ./snort-2.9.11.1-orig/configure.in 2018-05-10 12:20:19.253510678 +0200
++++ snort-2.9.11.1/configure.in 2018-05-10 12:40:18.547584998 +0200
+@@ -942,8 +942,6 @@ fi
+
+ # check for sparc %time register
+ if eval "echo $host_cpu|grep -i sparc >/dev/null"; then
+- OLD_CFLAGS="$CFLAGS"
+- CFLAGS="$CFLAGS -mcpu=v9 "
+ AC_MSG_CHECKING([for sparc %time register])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+@@ -957,8 +955,6 @@ if eval "echo $host_cpu|grep -i sparc >/
+ AC_MSG_RESULT($sparcv9)
+ if test "x$sparcv9" = "xyes"; then
+ AC_DEFINE([SPARCV9],[1],[For sparc v9 with %time register])
+- else
+- CFLAGS="$OLD_CFLAGS"
+ fi
+ fi
+