[project @ 2003-07-24 15:12:35 by simonmar]

[ghc-hetmet.git] / distrib / hc-build

diff --git a/distrib/hc-build b/distrib/hc-build
index 6fb9f86..dd9134a 100644 (file)
--- a/distrib/hc-build
+++ b/distrib/hc-build
@@ -1,34 +1,96 @@
-#/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`
 
-# build configuration
+# check for GNU make
 #
-cat >mk/build.mk <<END
-ProjectsToBuild = glafp-utils hslibs ghc
-GhcLibHcOpts = -O
-SRC_HAPPY_OPTS += -c
-GhcLibWays=
-END
-
-# touch happy generated files; so that in non-bootstrapping mode for
-# installation, no attempt is made to call happy
+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
 #
-touch ghc/compiler/rename/ParseIface.hs
-touch ghc/compiler/parser/Parser.hs
+case configopts in
+*--enable-hc-boot-unregisterised*)
+    cat >mk/build.mk <<END
+    GhcWithInterpreter=NO
+    GhcWithNativeCodeGen=NO
+    END
+    ;;
+*)
+    cat >mk/build.mk <<END
+    # empty
+    END
+esac
+
+echo "*** Building compiler..."
+./configure --enable-hc-boot $configopts
+
+$MAKE -C glafp-utils boot all
+$MAKE -C ghc boot
+$MAKE -C libraries 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
+
+# Build all of ghc/utils
+$MAKE -C ghc/utils clean && $MAKE -C ghc/utils boot all
+
+# Now we can build hslibs (hsc2hs is required, so must be after ghc/utils)
+$MAKE -C hslibs  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.