X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=2d8fbe13118195f88049f24a24782a1c3e22aeac;hb=0bde11509ca13d4d0914496ee652d7c2b43a0420;hp=872cdc763af4ce61d55e6ef613d48a2e72e39756;hpb=b41067a9f85d660e42f2105a9484e7935fd02169;p=ghc-hetmet.git

diff --git a/configure.ac b/configure.ac
index 872cdc7..2d8fbe1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -893,6 +893,10 @@ fi
 AC_SUBST(BUILD_DOCBOOK_PS)
 AC_SUBST(BUILD_DOCBOOK_PDF)
 
+if grep '	' compiler/ghc.cabal.in 2>&1 >/dev/null; then
+   AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
+fi
+
 AC_CONFIG_FILES([mk/config.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml distrib/ghc.iss])
 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
 AC_OUTPUT