X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=configure.ac;h=e361877da2a50db38b1424b280e7c639bdc611f7;hb=747a54b103160bcac7c9dcf721ce3b4703577d73;hp=5a8e65f77d6dff0717a797a3b12d8d3af343c243;hpb=0873901c7c66d074f5178bd95a7298e1b5cac77a;p=riscv-isa-sim.git

diff --git a/configure.ac b/configure.ac
index 5a8e65f..e361877 100644
--- 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