Merge remote-tracking branch 'origin/manpages'

README.md

@@ -82,6 +82,7 @@ handles your haskell packages and can demand that [a specific version](https://c
 ### Manpages
 
 For man pages to work you need [man-db](http://man-db.nongnu.org/) as your `man` provider, then issue `man ghc`. Manpages only work for the currently set ghc.
+`MANPATH` may be required to be unset.
 
 ## Design goals
 

ghcup

@@ -1548,6 +1548,15 @@ set_ghc() {
         # shellcheck disable=SC2046
         edo ln $(optionv "-v") -sf "haddock-ghc${target_suffix}" "${BIN_LOCATION}/haddock${target_suffix}"
     fi
+    if [ -z "${target_suffix}" ] && [ -d "${inst_location}/share" ] ; then
+        # Make sure we don't link "${BIN_LOCATION}/../share/share".
+        # POSIX doesn't allow '-T' for 'ln'.
+        if [ -e "${BIN_LOCATION}/../share" ] ; then
+            edo rm "${BIN_LOCATION}/../share"
+        fi
+        # shellcheck disable=SC2046
+        edo ln $(optionv "-v") -sf ghc/"${myghcver}"/share "${BIN_LOCATION}/../share"
+    fi
 
     status_message "Done"
 
@@ -1661,6 +1670,10 @@ rm_ghc() {
                 fi
             done
             unset t known_tools
+            # remove dangling symlink to share directory
+            if [ -h "${BIN_LOCATION}/../share" ] && [ ! -e "${BIN_LOCATION}/../share" ] ; then
+                edo rm "${BIN_LOCATION}/../share"
+            fi
 
             warning_message "Done."
             warning_message "You may now want to set currently active GHC to a different version via:"