X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=1026d80e5d152a59a9c9005f1cd6360fb17a9feb;hb=ed75b2fd12799f62ea76ae43ebaa46d04f70db3d;hp=aa76efa924e6bed1fef2ccf347cadcda9c17f222;hpb=fe1207fa2b3d8c58f63c2fcc5edaaa08d34a0c3a;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index aa76efa..1026d80 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 --------------------------------------------------------------
@@ -825,6 +833,9 @@ FP_PROG_CONTEXT_DIFF
 dnl ** Find find command (for Win32's benefit)
 FP_PROG_FIND
 
+dnl ** Find sort command (for the benefit of Win32 environs)
+FP_PROG_SORT
+
 dnl ** figure out how to do a BSD-ish install
 AC_PROG_INSTALL