X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=aclocal.m4;h=ccb2530dee846d509a74b308f0c13e5c9a118838;hb=a370654a872838c43e63bdd6cc279c0ee9913cdf;hp=35eb79c18807358012a870015d89e4eef693598f;hpb=089b271132212ba6679651254b11d1218a103f03;p=ghc-hetmet.git

diff --git a/aclocal.m4 b/aclocal.m4
index 35eb79c..ccb2530 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -100,7 +100,7 @@ AC_DEFUN([FP_PROG_CONTEXT_DIFF],
 [echo foo > conftest1
 echo foo > conftest2
 fp_cv_context_diff=no
-for fp_var in '-C 1' '-c1'
+for fp_var in '-U 1' '-u1' '-C 1' '-c1'
 do
   if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
     fp_cv_context_diff="diff $fp_var"