X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=1026d80e5d152a59a9c9005f1cd6360fb17a9feb;hb=5b0e32406c30be1613fbf556685c77e840dff342;hp=a7dabb4211f0dd6de6a9f4de8c80bd8e0a334a61;hpb=f9d8c8e0ab44b24d06b654d98543e8b39d4ebeca;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index a7dabb4..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
 
@@ -951,11 +962,6 @@ AC_SUBST(GhcLibsWithReadline)
 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 AC_HEADER_TIME
 
-dnl ** check for POSIX regex
-HavePosixRegex=NO
-AC_CHECK_HEADERS([regex.h], [AC_CHECK_FUNCS(regcomp, [HavePosixRegex=YES])])
-AC_SUBST(HavePosixRegex)
-
 dnl ** how do we get a timezone name, and UTC offset ?
 AC_STRUCT_TIMEZONE