X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=1b7dbdae4d0611aea8745204af148b5ccda7667b;hb=560f42c83a4aa48d00afec1c2d53d1de6f501bc9;hp=aa76efa924e6bed1fef2ccf347cadcda9c17f222;hpb=fe1207fa2b3d8c58f63c2fcc5edaaa08d34a0c3a;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index aa76efa..1b7dbda 100644
--- a/configure.ac
+++ b/configure.ac
@@ -567,6 +567,14 @@ AC_SUBST(hardtop_plat)
 
 AC_MSG_RESULT(${hardtop})
 
+# We don't support building in directories with spaces.
+case "$hardtop" in
+  *' '*) AC_MSG_ERROR([
+   The build system does not support building in a directory containing
+   space characters.  Suggestion: move the build tree somewhere else.])
+ ;;
+esac
+
 dnl --------------------------------------------------------------
 dnl * Project specific configuration options
 dnl --------------------------------------------------------------