Pass 'mathjax' to Haddock

Bug: https://gitlab.haskell.org/ghc/ghc/-/issues/23625

Hadrian currently doesn't allow us to modify Haddock options, so
patch Hadrian to manually pass the 'mathjax' option.

Gbp-Pq: Name hadrian-haddock-opts

diff --git a/hadrian/src/Settings/Builders/Haddock.hs b/hadrian/src/Settings/Builders/Haddock.hs
index 0a1893c65dd71c14cfb5e50f12253ee183956774..5312d9e77ae41fd78a5577b031ee39ba5ba0415e 100644 (file)
--- a/hadrian/src/Settings/Builders/Haddock.hs
+++ b/hadrian/src/Settings/Builders/Haddock.hs
@@ -30,6 +30,7 @@ haddockBuilderArgs = mconcat
             , arg "-o", arg $ takeDirectory output
             , arg "-t", arg "Haskell Hierarchical Libraries"
             , arg "-p", arg "libraries/prologue.txt"
+            , arg "--mathjax=file:///usr/share/javascript/mathjax/MathJax.js"
             , pure [ "--read-interface="
                      ++ (takeFileName . takeDirectory) haddock
                      ++ "," ++ haddock | haddock <- inputs ] ]
@@ -64,6 +65,7 @@ haddockBuilderArgs = mconcat
             , arg $ "--odir=" ++ takeDirectory output
             , arg $ "--dump-interface=" ++ output
             , arg "--html"
+            , arg "--mathjax=file:///usr/share/javascript/mathjax/MathJax.js"
             , arg $ "--title=" ++ pkgName pkg ++ "-" ++ version
                     ++ ": " ++ synopsis
             , arg $ "--prologue=" ++ takeDirectory output -/- "haddock-prologue.txt"