configure: Determine library versions of template-haskell, et al.

These are needed by the user guide documentation. Fixes #17260.

(cherry picked from commit 0c53d0aa)

configure.ac

@@ -1290,8 +1290,14 @@ AC_SUBST(BUILD_MAN)
 AC_SUBST(BUILD_SPHINX_HTML)
 AC_SUBST(BUILD_SPHINX_PDF)
 
+dnl ** Determine library versions
+dnl The packages below should include all packages needed by
+dnl doc/users_guide/ghc_config.py.in.
 LIBRARY_VERSION(base)
 LIBRARY_VERSION(Cabal, Cabal/Cabal)
+LIBRARY_VERSION(template-haskell)
+LIBRARY_VERSION(parallel)
+LIBRARY_VERSION(array)
 LIBRARY_VERSION(ghc-prim)
 LIBRARY_VERSION(ghc-compact)
 LIBRARY_ghc_VERSION="$ProjectVersion"

docs/users_guide/ghc_config.py.in

@@ -4,6 +4,9 @@ extlinks = {
 }
 
 libs_base_uri = '../libraries'
+
+# N.B. If you add a package to this list be sure to also add a corresponding
+# LIBRARY_VERSION macro call to configure.ac.
 lib_versions = {
     'base': '@LIBRARY_base_VERSION@',
     'ghc-prim': '@LIBRARY_ghc_prim_VERSION@',