dnl ** Enable the construction of Win32 DLLs?
dnl --------------------------------------------------------------
-AC_ARG_ENABLE(win32-dlls,
-[ --enable-win32-dlls
- If on a Win32 platform running mingw32/cygwin, enable the
- construction of DLLs containing ghc-compiled code.
-],
-[
-case $HostOS_CPP in
-cygwin32) ;;
-mingw32) ;;
-*) echo "Unrecognised win32 platform: $HostPlatform"
- exit 1
- ;;
-esac
-EnableWin32DLLs=YES
-],
-[EnableWin32DLLs=NO]
-)
-AC_SUBST(EnableWin32DLLs)
-if test x"$EnableWin32DLLs" = "xYES" ; then
- AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
-fi
+dnl
+dnl [ The ability to build the RTS and libraries as separate DLLs used
+dnl to be supported, but isn't currently (updates to the RTS, compiler
+dnl and build system would be required to bring it back again.)
+dnl Hence, exposing it as an option is false advertisement, so better
+dnl disable it to avoid confusion (but leave it commented-out rather
+dnl than removed in order to remind ourselves to bring back the
+dnl feature at some stage.) ]
+dnl
+dnl AC_ARG_ENABLE(win32-dlls,
+dnl [ --enable-win32-dlls
+dnl If on a Win32 platform running mingw32/cygwin, enable the
+dnl construction of DLLs containing ghc-compiled code.
+dnl ],
+dnl [
+dnl case $HostOS_CPP in
+dnl cygwin32) ;;
+dnl mingw32) ;;
+dnl *) echo "Unrecognised win32 platform: $HostPlatform"
+dnl exit 1
+dnl ;;
+dnl esac
+dnl EnableWin32DLLs=YES
+dnl ],
+dnl [EnableWin32DLLs=NO]
+dnl )
+dnl AC_SUBST(EnableWin32DLLs)
+dnl if test x"$EnableWin32DLLs" = "xYES" ; then
+dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
+dnl fi
dnl ** Enable the building of the ObjectIO?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(src-tree-happy,
[ --enable-src-tree-happy
- Build and use source tree (fptools/happy) version of happy.
+ Build and use source tree (fptools/happy) version of Happy.
],
[UseSrcTreeHappy=YES],
[UseSrcTreeHappy=NO]
AC_ARG_ENABLE(src-tree-haddock,
[ --enable-src-tree-haddock
- Build and use source tree (fptools/haddock) version of haddock.
+ Build and use source tree (fptools/haddock) version of Haddock.
],
[UseSrcTreeHaddock=YES],
[UseSrcTreeHaddock=NO]
dnl ** check for installed haddock
FPTOOLS_HADDOCK
+AC_ARG_ENABLE(src-tree-alex,
+[ --enable-src-tree-alex
+ Build and use source tree (fptools/alex) version of Alex.
+],
+[UseSrcTreeAlex=YES],
+[UseSrcTreeAlex=NO]
+)
+dnl ** check for installed alex binary + version
+dnl (don't do it if we're booting from .hc files though.)
+if test "$BootingFromHc" = "NO"; then
+FPTOOLS_ALEX
+fi;
+
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------