-#/bin/sh
+#!/bin/sh -e
# Manuel M. T. Chakravarty <chak@acm.org>, June 2000
+# Updated for GHC 5.00, Simon Marlow, March 2001
+# Updated for GHC 5.04.3, Urban Boquist, March 2003
#
# Script to build GHC from .hc files (must be run in the fptools/ root
# directory into which the source and .hc files must already have been
# unpacked). All options are passed through to ./configure (especially
# useful with --prefix).
-configopts="$*"
+configopts="$*" # e.g., --enable-hc-boot-unregisterised
+PWD=`pwd`
+
+# check for GNU make
+#
+MAKENAMES="gmake make no-make"
+for make in $MAKENAMES; do
+ MAKE=$make
+ $make --version 2>&1 | grep "GNU Make" >/dev/null && break
+done
+if [ $MAKE = no-make ]; then
+ echo "Fatal error: Cannot find the GNU make utility"
+ exit 1
+fi
# build configuration
#
cat >mk/build.mk <<END
-ProjectsToBuild = glafp-utils hslibs ghc
-GhcLibHcOpts = -O
-SRC_HAPPY_OPTS += -c
-GhcLibWays=
+# nothing!
END
# touch happy generated files; so that in non-bootstrapping mode for
# installation, no attempt is made to call happy
#
-touch ghc/compiler/rename/ParseIface.hs
touch ghc/compiler/parser/Parser.hs
+touch ghc/compiler/main/ParsePkgConf.hs
+touch hslibs/hssource/HsParser.hs
+
+# We don't have genprimopcode yet so don't try to use it
+touch ghc/compiler/prelude/primops.txt
+touch libraries/base/GHC/PrimopWrappers.hs
+
+echo "*** Building compiler..."
+./configure --enable-hc-boot $configopts
+
+# A couple of Makefiles test BootingFromHc before including
+# boilerplate.mk, so we have to pass it explicitly:
+MAKEFLAGS="BootingFromHc=YES"
+export MAKEFLAGS
+
+$MAKE -C glafp-utils boot all
+$MAKE -C ghc boot
+$MAKE -C libraries boot all
+$MAKE -C hslibs boot all
+$MAKE -C ghc all
+
+MAKEFLAGS=
+
+echo "*** Building libraries..."
+
+# Reconfigure, using the newly-build ghc binary as our $(GHC), and
+# with hc bootstrapping disabled.
+HappyCmd="$PWD/distrib/fake-happy" ./configure --with-ghc="$PWD/ghc/compiler/ghc-inplace" $configopts
+
+PRIMOP_BITS="primop-data-decl.hs-incl \
+ primop-tag.hs-incl \
+ primop-list.hs-incl \
+ primop-has-side-effects.hs-incl \
+ primop-out-of-line.hs-incl \
+ primop-commutable.hs-incl \
+ primop-needs-wrapper.hs-incl \
+ primop-can-fail.hs-incl \
+ primop-strictness.hs-incl \
+ primop-usage.hs-incl \
+ primop-primop-info.hs-incl"
+
+# The reconfigure step updates a few files, which can lead to
+# unnecessary recompilations. Touch a bunch of things here to avoid
+# having to recompile stuff that we've already built.
+(cd ghc/compiler; touch $PRIMOP_BITS parser/hschooks.o prelude/PrimOp.o main/Config.hs main/Config.o ghc-*)
+
+# Remove the old libraries. Don't use make clean, because we don't
+# want to delete the .hs files generated from the .hsc files, because
+# we don't have hsc2hs built yet.
+find libraries hslibs | grep '\.\(o\|a\)' | xargs rm -f
+
+# Do includes and RTS now
+$MAKE -C ghc/includes boot && $MAKE -C ghc/includes all
+$MAKE -C ghc/rts boot && $MAKE -C ghc/rts all
+
+# Now build a new set of libraries
+$MAKE -C libraries boot all
+$MAKE -C hslibs boot all
+
+# Finally build all of ghc/utils
+$MAKE -C ghc/utils clean && $MAKE -C ghc/utils boot all
-echo "*** Building hsc..."
-./configure --enable-hc-boot $configopts || exit 1
-make boot all || exit 1
+# Avoid relinking the compiler during 'make install':
+(cd ghc/compiler; touch parser/hschooks.o ghc-*)
-echo "*** Building library..."
-echo "GhcWithHscBuiltViaC=NO" >>mk/build.mk
-make -C ghc/lib clean boot all || exit 1
-make -C hslibs clean boot all
+# At this point, the tree should be safe to do 'make install' in.