diff --git a/projects/sample/autoconf/configure.ac b/projects/sample/autoconf/configure.ac
index b2c566a..a13fd67 100644
--- a/projects/sample/autoconf/configure.ac
+++ b/projects/sample/autoconf/configure.ac
@@ -312,6 +312,7 @@
   hexagon-*)              llvm_cv_target_arch="Hexagon" ;;
   mblaze-*)               llvm_cv_target_arch="MBlaze" ;;
   nvptx-*)                llvm_cv_target_arch="NVPTX" ;;
+  s390x-*)                llvm_cv_target_arch="SystemZ" ;;
   *)                      llvm_cv_target_arch="Unknown" ;;
 esac])
 
@@ -482,6 +483,7 @@
     Hexagon)     AC_SUBST(TARGET_HAS_JIT,0) ;;
     MBlaze)      AC_SUBST(TARGET_HAS_JIT,0) ;;
     NVPTX)       AC_SUBST(TARGET_HAS_JIT,0) ;;
+    SystemZ)     AC_SUBST(TARGET_HAS_JIT,1) ;;
     *)           AC_SUBST(TARGET_HAS_JIT,0) ;;
   esac
 fi
@@ -592,7 +594,7 @@
 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
     [Build specific host targets: all or target1,target2,... Valid targets are:
      host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
-     xcore, msp430, nvptx, and cpp (default=all)]),,
+     xcore, msp430, nvptx, systemz, and cpp (default=all)]),,
     enableval=all)
 if test "$enableval" = host-only ; then
   enableval=host
@@ -614,6 +616,7 @@
         cpp)      TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
         mblaze)   TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
         nvptx)    TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
+        systemz)  TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
         host) case "$llvm_cv_target_arch" in
             x86)         TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
             x86_64)      TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
@@ -627,6 +630,7 @@
             MSP430)      TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
             Hexagon)     TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
             NVPTX)       TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
+            SystemZ)     TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
             *)       AC_MSG_ERROR([Can not set target to build]) ;;
           esac ;;
         *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;