diff options
| -rw-r--r-- | ghc/docs/users_guide/using.vsgml | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/ghc/docs/users_guide/using.vsgml b/ghc/docs/users_guide/using.vsgml index 934ef562e1..02ab9d826d 100644 --- a/ghc/docs/users_guide/using.vsgml +++ b/ghc/docs/users_guide/using.vsgml @@ -1098,14 +1098,22 @@ the usual C way. The @ghc@ driver pre-defines several macros: <descrip> +<tag>@__HASKELL98__@:</tag> +<nidx>__HASKELL98__</nidx> +If defined, this means that GHC supports the language +defined by the Haskell 98 report. + +NB. This macro is <em/only/ set when pre-processing Haskell source +(ie. @.hs@ or @.lhs@ files). + <tag>@__HASKELL1__@:</tag> <nidx>__HASKELL1__ macro</nidx> If defined to <em/n/, that means GHC supports the Haskell language defined in the Haskell report version <em/1.n/. -Currently 4. +Currently 5. -NB. This macro is <em/only/ set when pre-processing Haskell source -(ie. @.hs@ or @.lhs@ files). +NB. As with <tt/__HASKELL98__/, this macro is <em/only/ set when +pre-processing Haskell source (ie. @.hs@ or @.lhs@ files). <tag>@__GLASGOW_HASKELL__@:</tag> <nidx>__GLASGOW_HASKELL__ macro</nidx> |