Support debug system bus access.

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

diff --git a/configure.ac b/configure.ac
index 5a8e65f77d6dff0717a797a3b12d8d3af343c243..e361877da2a50db38b1424b280e7c639bdc611f7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -51,6 +51,11 @@ AC_PROG_CC
 AC_PROG_CXX
 AC_CHECK_TOOL([AR],[ar])
 AC_CHECK_TOOL([RANLIB],[ranlib])
+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]))
 
 #-------------------------------------------------------------------------
 # MCPPBS specific program checks
@@ -71,8 +76,8 @@ AC_HEADER_STDC
 # Default compiler flags
 #-------------------------------------------------------------------------
 
-AC_SUBST([CFLAGS],  ["-Wall -Wno-unused -O2"])
-AC_SUBST([CXXFLAGS],["-Wall -Wno-unused -O2 -std=c++11"])
+AC_SUBST([CFLAGS],  ["-Wall -Wno-unused -g -O2"])
+AC_SUBST([CXXFLAGS],["-Wall -Wno-unused -g -O2 -std=c++11"])
 
 #-------------------------------------------------------------------------
 # MCPPBS subproject list