X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=utils%2Fghc-cabal%2Fghc.mk;fp=utils%2Fghc-cabal%2Fghc.mk;h=f495048d22f609e6e00cfd4dd9a08ba3195c0a14;hb=fb783aeaa5bc1cc60e6bb551c1cd01a097b84fad;hp=b238db91ba6f878031e7aba61be56a51f268a6dc;hpb=8e63e8eae43292fbeb219740eadd798bde76760c;p=ghc-hetmet.git

diff --git a/utils/ghc-cabal/ghc.mk b/utils/ghc-cabal/ghc.mk
index b238db9..f495048 100644
--- a/utils/ghc-cabal/ghc.mk
+++ b/utils/ghc-cabal/ghc.mk
@@ -79,9 +79,11 @@ $(GHC_CABAL_DIR)/dist-dummy-ghc/build/dummy-ghc.hs : $(GHC_CABAL_DIR)/ghc.mk $(M
 #   ( "PostfixOperators", ...
 # then it translates them into
 #   ["PostfixOperators"] ++
+# Tabs are a pain to handle portably with sed, so rather than worrying
+# about them we just use tr to remove them all before we start.
 	echo 'extensions :: [String]'                                     >> $@
 	echo 'extensions ='                                               >> $@
-	'$(SED)' '/^xFlags/,/]/s/^[[:space:]]*([[:space:]]*\("[^"]*"\)[^"]*/  [\1] ++/p;d' compiler/main/DynFlags.hs >> $@
+	'$(TR)' -d '\t' < compiler/main/DynFlags.hs | '$(SED)' '/^xFlags/,/]/s/^ *( *\("[^"]*"\)[^"]*/  [\1] ++/p;d' >> $@
 	echo '  []'                                                       >> $@
 
 # We don't build dummy-ghc with Cabal, so we need to pass -package