X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=d116ff18b78137d86b8b3c3d9b7c22c1e354812a;hb=eb3a1aecac72d22c618b4050fb88eac9055b527a;hp=d176e2c9be652c82871e19a30b7b10fea68c8d52;hpb=5d30f835fb94ab6056829723d623f05b689ada4a;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index d176e2c..d116ff1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -89,6 +89,11 @@ AC_ARG_WITH([ghc],
   fi
   WithGhc="$GHC"])
 
+
+dnl ** Tell the make system which OS we are using
+dnl $OSTYPE is set by the operating system to "msys" or "cygwin" or something 
+AC_SUBST(OSTYPE)
+
 dnl ** Booting from .hc files?
 dnl --------------------------------------------------------------
 AC_ARG_ENABLE(hc-boot,
@@ -346,6 +351,16 @@ checkArch "$TargetArch"
 checkVendor "$TargetVendor"
 checkOS "$TargetOS"
 
+# Verify that the installed (bootstrap) GHC is capable of generating
+# code for the requested build platform.
+if test "$build" != "$bootstrap_target"
+then
+    echo "This GHC (${WithGhc}) does not generate code for the build platform"
+    echo "   GHC target platform    : $bootstrap_target"
+    echo "   Desired build platform : $BuildPlatform"
+    exit 1
+fi
+
 AC_SUBST(BuildPlatform)
 AC_SUBST(HostPlatform)
 AC_SUBST(TargetPlatform)