[Git][ghc/ghc][wip/happy-version] configure: Allow happy-2.0.2

[Matthew Pickering (@mpickering)]

Matthew Pickering pushed to branch wip/happy-version at Glasgow Haskell Compiler / GHC


Commits:
438c5b49 by Matthew Pickering at 2024-09-27T17:47:45+01:00
configure: Allow happy-2.0.2

happy-2.0.2 can be used to compile GHC.

happy-2.0 and 2.0.1 have bugs which make it unsuitable to use.

The version bound is now == 1.20.* || >= 2.0.2 && < 2.1

Fixes #25276

- - - - -


1 changed file:

- m4/fptools_happy.m4


Changes:

=====================================
m4/fptools_happy.m4
=====================================
@@ -24,10 +24,15 @@ changequote([, ])dnl
 ])
 if test ! -f compiler/GHC/Parser.hs || test ! -f compiler/GHC/Cmm/Parser.hs
 then
+    failure_msg="Happy version == 1.20.* || >= 2.0.2 && < 2.1  is required to compile GHC"
     FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.20.0],
-      [AC_MSG_ERROR([Happy version 1.20 or later is required to compile GHC.])])[]
+      [AC_MSG_ERROR([$failure_msg])])[]
     FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-ge],[1.21.0],
-      [AC_MSG_ERROR([Happy version 1.20 or earlier is required to compile GHC.])])[]
+      FP_COMPARE_VERSIONS([$fptools_cv_happy_version], [-le], [2.0.1],
+        [AC_MSG_ERROR([$failure_msg])])[])[]
+    FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-ge],[2.1.0],
+      [AC_MSG_ERROR([$failure_msg])])[]
+
 fi
 HappyVersion=$fptools_cv_happy_version;
 AC_SUBST(HappyVersion)



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/438c5b49763578f36b017b9a20abd7e8e19a9b84

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/438c5b49763578f36b017b9a20abd7e8e19a9b84
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