Add MHS as a recognized compiler. (backport haskell#9878) (haskell#10119)

* Add MHS as a recognized compiler. (haskell#9878)

* Add MHS as a recognized compiler.

* Add Changelog entry

* Add comment.

* Update checksums.

* Update more checksums.

---------

Co-authored-by: Lennart Augustsson <[email protected]>
(cherry picked from commit 3169b87)

# Conflicts:
#	Cabal-tests/tests/UnitTests/Distribution/Utils/Structured.hs

* fixup! Add MHS as a recognized compiler. (haskell#9878)

---------

Co-authored-by: Lennart Augustsson <[email protected]>
Co-authored-by: brandon s allbery kf8nh <[email protected]>

Author: 3 people

Cabal-syntax/src/Distribution/Compiler.hs

@@ -75,6 +75,7 @@ data CompilerFlavor
   | LHC
   | UHC
   | Eta
+  | MHS -- MicroHS, see https://github.com/augustss/MicroHs
   | HaskellSuite String -- string is the id of the actual compiler
   | OtherCompiler String
   deriving (Generic, Show, Read, Eq, Ord, Typeable, Data)
@@ -85,7 +86,7 @@ instance NFData CompilerFlavor where rnf = genericRnf
 
 knownCompilerFlavors :: [CompilerFlavor]
 knownCompilerFlavors =
-  [GHC, GHCJS, NHC, YHC, Hugs, HBC, Helium, JHC, LHC, UHC, Eta]
+  [GHC, GHCJS, NHC, YHC, Hugs, HBC, Helium, JHC, LHC, UHC, Eta, MHS]
 
 instance Pretty CompilerFlavor where
   pretty (OtherCompiler name) = Disp.text name

Cabal-tests/tests/UnitTests/Distribution/Utils/Structured.hs

@@ -33,15 +33,15 @@ md5Check proxy md5Int = structureHash proxy @?= md5FromInteger md5Int
 md5CheckGenericPackageDescription :: Proxy GenericPackageDescription -> Assertion
 md5CheckGenericPackageDescription proxy = md5Check proxy
 #if MIN_VERSION_base(4,19,0)
-    0x7559521b9eb2e2fa4a608a86c629dc17
+    0x4d8ea0a071f0d5a3aca3fbdfef91bae2
 #else
-    0xa78ea118e2e29b5809d359c9431df3ba
+    0x0e3685f57e01297a9aa9637729681b94
 #endif
 
 md5CheckLocalBuildInfo :: Proxy LocalBuildInfo -> Assertion
 md5CheckLocalBuildInfo proxy = md5Check proxy
 #if MIN_VERSION_base(4,19,0)
-    0x8a8e81b52a34b8610acdcd0b9d488940
+    0x1be858ee00c3e2d4be5331d5f07bfdf7
 #else
-    0xb53fbd58281a6f329f7b659d91fcd86e
+    0x8a5431ab053f8f48c15b303444fa2c39
 #endif

changelog.d/pr-9878

@@ -0,0 +1,8 @@
+synopsis: Add mhs as a known Haskell compiler
+packages: Cabal
+issues:
+prs: #9878
+
+description: {
+This simply add MHS to the enumeration of known Haskell compilers.
+}