Support debug system bus access.

[riscv-isa-sim.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index ea64de74830fdd22615463e93634ecd2a146b0eb..e361877da2a50db38b1424b280e7c639bdc611f7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -51,7 +51,8 @@ AC_PROG_CC
 AC_PROG_CXX
 AC_CHECK_TOOL([AR],[ar])
 AC_CHECK_TOOL([RANLIB],[ranlib])
-AC_PATH_PROG([DTC],[dtc])
+AC_PATH_PROG([DTC],[dtc],[no])
+AS_IF([test x"$DTC" == xno],AC_MSG_ERROR([device-tree-compiler not found]))
 AC_DEFINE_UNQUOTED(DTC, ["$DTC"], [Path to the device-tree-compiler])
 
 AC_C_BIGENDIAN(AC_MSG_ERROR([Spike requires a little-endian host]))