Bump Happy requirement from 1.15 to 1.16

Now that the haskell98 dependency of GHC has been removed, the
Happy-generated parsers must import Data.Array rather than Array, and
that change was made in Happy 1.16.

diff --git a/aclocal.m4 b/aclocal.m4
index 10b94bf..d84cb99 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -246,8 +246,8 @@ changequote([, ])dnl
 ])
 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/main/ParsePkgConf.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
 then
-    FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15],
-      [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]
+    FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
+      [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
 fi
 HappyVersion=$fptools_cv_happy_version;
 AC_SUBST(HappyVersion)