[project @ 2005-03-08 04:45:29 by wolfgang]

[ghc-hetmet.git] / mk / config.mk.in

diff --git a/mk/config.mk.in b/mk/config.mk.in
index 2ddfe82..1cdc1b9 100644 (file)
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -56,6 +56,13 @@
 # will be built as HC files for the target system, and likely won't
 # build on this host platform.
 #
+# An important invariant is that for any piece of source code, the
+# platform on which the code is going to run is the HOST platform,
+# and the platform on which we are building is the BUILD platform.
+# Additionally for the compiler, the platform this compiler will
+# generate code for is the TARGET.  TARGET is not meaningful outside
+# the compiler sources.
+#
 # Guidelines for when to use HOST vs. TARGET:
 #
 #  - In the build system (Makefile, foo.mk), normally we should test
@@ -65,11 +72,10 @@
 #
 #  - In the compiler itself, we should test HOST or TARGET depending
 #    on whether the conditional relates to the code being generated, or
-#    the platform on which the compiler is running.  For stage 2,
-#    HOSTPLATFORM should be reset to be TARGETPLATFORM (we currently
-#    don't do this, but we should).
+#    the platform on which the compiler is running.  See the section
+#    on "Coding Style" in the commentary for more details.
 #
-#  - In the RTS and library code, we should be testing TARGET only.
+#  - In all other code, we should be testing HOST only.
 #
 # NOTE: cross-compiling is not well supported by the build system.
 # You have to do a lot of work by hand to cross compile: see the
@@ -313,8 +319,13 @@ endif
 #
 #      -O is pretty desirable, otherwise no inlining of prelude
 #              things (incl "+") happens when compiling with this compiler
+#
+#      -fgenerics switches on generation of support code for 
+#              derivable type classes.  This is now off by default,
+#              but we switch it on for the libraries so that we generate
+#              the code in case someone importing wants it
 
-GhcLibHcOpts=-O -Rghc-timing
+GhcLibHcOpts=-O -Rghc-timing -fgenerics
 
 # Win32 only: Enable the RTS and libraries to be built as DLLs
 DLLized=@EnableWin32DLLs@
@@ -748,20 +759,14 @@ HaveLibGmp        = @HaveLibGmp@
 LibGmp         = @LibGmp@
 
 #-----------------------------------------------------------------------------
-# Mingwex Library
+# GMP framework (Mac OS X)
 #
-HaveLibMingwEx = @HaveLibMingwEx@
+HaveFrameworkGMP = @HaveFrameworkGMP@
 
 #-----------------------------------------------------------------------------
-# HaskellSupport framework (Mac OS X)
-#
-HaveFrameworkHaskellSupport = @HaveFrameworkHaskellSupport@
-
-#-----------------------------------------------------------------------------
-# Regex library
-# (if present in libc use that one, otherwise use the one in the tree)
+# Mingwex Library
 #
-HavePosixRegex  = @HavePosixRegex@
+HaveLibMingwEx = @HaveLibMingwEx@
 
 #-----------------------------------------------------------------------------
 # Flex (currently unused, could be moved to glafp-utils)
@@ -789,6 +794,7 @@ CTAGS                       = $(ETAGS)
 #
 RAWCPP_FLAGS            = -undef -traditional
 FIND                   = @FindCmd@
+SORT                   = @SortCmd@
 INSTALL                        = @INSTALL@
 #
 # Sigh - the autoconf macro for INSTALL will subst a relative path to the fallback