[project @ 1997-05-19 00:22:33 by sof]

Made 2.0x and fromC bootable

ghc/compiler/Makefile

 # -----------------------------------------------------------------------------
-# $Id: Makefile,v 1.12 1997/03/24 04:31:45 sof Exp $
+# $Id: Makefile,v 1.13 1997/05/19 00:22:33 sof Exp $
 
 TOP = ..
 include $(TOP)/mk/boilerplate.mk
@@ -21,6 +21,14 @@ endif
 # (included below) to kick in.
 
 LIBRARY=libhsp.a
+
+#
+# Note: there have been reports of people running up against the ARG_MAX limit
+# when linking hsc with all its constituent object files. The likely source of 
+# the problem is that the environment is a bit too big, so a workaround could
+# be to do ` env PATH=$(PATH) make hsc 'to minimise the environment. (or the
+# equivalent of `env' if it doesn't exist locally).
+#
 HS_PROG=hsc
 
 
@@ -45,6 +53,7 @@ ifeq ($(GhcWithNativeCodeGen),YES)
   ifeq ($(GhcWithHscBuiltViaC),YES)
     # If building via C, we *assume* that it is the distributed C files,
     # which do not have a native-code generator in them
+    SRC_MKDEPENDHS_OPTS += -DOMIT_NATIVE_CODEGEN
   else
     DIRS += nativeGen
   endif
@@ -61,9 +70,23 @@ HS_SRCS = $(SRCS_UGNHS) \
 # NB: it's no good to include *.hs in the top-line wildcard, because the .hs files
 #     in parser/ may not have been created at that point.
 
-LOOPS   = $(patsubst %.lhi, %.hi, $(wildcard */*.lhi))
-HCS     = $(patsubst %.lhs, %.hc, $(patsubst %.hs, %.hc, $(HS_SRCS)))
 
+HCS      = $(patsubst %.lhs, %.hc, $(patsubst %.hs, %.hc, $(HS_SRCS)))
+
+#
+# When booting using a ghc-2.xx compiler, the loop breakers are actually written in
+# Haskell, source stubs just re-exporting info from the various .hi-boot files.
+# (Reason: we don't want to fiddle with the imports in the sources). We give them
+# the suffix .hs, since they're special and don't fall under the umbrella of $(HS_SRCS)
+# always (only when $(Ghc2_0) is equal to YES)
+ifeq "$(Ghc2_0)" "YES"
+LOOPS_HS  = $(wildcard */*Loop*.hs)
+MKDEPENDHS_SRCS = $(HS_SRCS)
+#HS_SRCS  += $(LOOPS_HS)
+else
+LOOPS   = $(patsubst %.lhi, %.hi, $(wildcard */*.lhi))
+endif
+ 
 HS_OBJS  = \
   $(patsubst %.hc, %.o, $(HCS)) \
   parser/hsclink.o parser/hschooks.o libhsp.a
@@ -105,21 +128,27 @@ SRC_DIST_FILES += rename/ParseIface.hs \
 HC=$(WithGhcHc)
 
 SRC_HC_OPTS += \
-  -cpp -fhaskell-1.3 -syslib ghc \
+  -cpp -fhaskell-1.3 \
   -fglasgow-exts -DCOMPILING_GHC -Rghc-timing -I. -IcodeGen \
   -InativeGen -Iparser $(foreach dir,$(DIRS),-i$(dir))
 
-# -syslib ghc just needed for utils/CharSeq.lhs use of PackedString.hPutPS
+# -syslib ghc just needed for use of PackedString.hPutPS
 
 
 SRC_CC_OPTS += -Iparser -I.
 
-ifneq ($(Ghc2_0),NO)
-  SRC_HC_OPTS += -fomit-derived-read -fomit-reexported-instances
+ifeq "$(Ghc2_0)" "NO"
+SRC_HC_OPTS += -fomit-derived-read -fomit-reexported-instances
+else
+# Recompilation checking - unconditionally so (ToDo: move to mk/config.mk.in)
+SRC_HC_OPTS += -recomp
 endif
 
 ifeq ($(GhcWithDeforester),NO)
-  SRC_HC_OPTS += -DOMIT_DEFORESTER
+ifeq "$(Ghc2_0)" "NO"
+  SRC_MKDEPENDHS_OPTS += -DOMIT_DEFORESTER
+endif
+SRC_HC_OPTS += -DOMIT_DEFORESTER
 endif
 
 SRC_HC_OPTS += $(GhcHcOpts)
@@ -151,7 +180,10 @@ parser/U_qid_HC_OPTS 		= -fvia-C '-\#include"hspincl.h"'
 parser/U_tree_HC_OPTS 		= -fvia-C '-\#include"hspincl.h"'
 parser/U_ttype_HC_OPTS 		= -fvia-C '-\#include"hspincl.h"'
 prelude/PrimOp_HC_OPTS 		= -K3m
-reader/Lex_HC_OPTS		= -K2m -H16m
+reader/Lex_HC_OPTS		= -K2m -H16m -fvia-C
+ifeq "$(Ghc2_0)" "NO"
+reader/Lex_HC_OPTS		+= -fomit-derived-read
+endif
 reader/ReadPrefix_HC_OPTS 	= -fvia-C '-\#include"hspincl.h"'
 rename/ParseIface_HC_OPTS 	= -Onot -H16m
 rename/ParseType_HC_OPTS 	= -Onot -H16m
@@ -167,15 +199,15 @@ rename/RnIfaces_HC_OPTS		= -H8m -fvia-C
 rename/RnNames_HC_OPTS		= -H12m
 specialise/Specialise_HC_OPTS 	= -Onot -H12m
 stgSyn/StgSyn_HC_OPTS 		= -fno-omit-reexported-instances
-typecheck/TcMonad_HC_OPTS 	= -fvia-C
 typecheck/TcGenDeriv_HC_OPTS	= -H10m
 typecheck/TcExpr_HC_OPTS	= -H10m
+typecheck/TcEnv_HC_OPTS		= -H10m
 utils/Argv_HC_OPTS 		= -fvia-C
-utils/CharSeq_HC_OPTS 		= -fvia-C
 utils/SST_HC_OPTS 		= -fvia-C
 utils/PrimPacked_HC_OPTS	= -fvia-C -monly-3-regs
 utils/FastString_HC_OPTS	= -fvia-C
 utils/StringBuffer_HC_OPTS	= -fvia-C
+utils/Digraph_HC_OPTS		= -fglasgow-exts -fvia-C
 
 
 # ----------------------------------------------------------------------------
@@ -193,7 +225,7 @@ SRC_YACC_OPTS  += -d -v
 #
 # Want to keep the intermediate (included in src distribs).
 #
-.PRECIOUS: parser/%.tab.c parser/hslexer.c
+.PRECIOUS: %.tab.c %.tab.h parser/hslexer.c
 
 parser/hschooks.o : parser/hschooks.c
 	@$(RM) $@
@@ -235,20 +267,34 @@ CLEAN_FILES += hsp
 # inside it. (compilation is handled by the suffix rules).
 
 #
-# Building the loop breakers from .lhi files
+# Building the loop breakers from .lhi (0.2x) or .hi-boot (2.xx) files
 #
 ifeq ($(Ghc2_0),YES)
-  %.hi : %_1_3.lhi
-	$(RM) $@
-	$(UNLIT) $<  $@ || ( $(RM) $@ && exit 1 )
-	@chmod 444 $@
+
+BOOT_HI_STEMS = $(basename $(wildcard */*.hi-boot))
+
+hi-boot :: 
+	@for n in $(BOOT_HI_STEMS); \
+	do  \
+	  echo Creating $$n.hi ; \
+	  $(RM) $$n.hi ; \
+	  $(CP) $$n.hi-boot $$n.hi || ( $(RM) $$n.hi && exit 1 ) ; \
+	done 
+#
+# Have the collector *Loop.hs interface files be generated just after having
+# created the .hi's from the .hi-boot's. 
+
+hi-boot :: $(patsubst %.hs,%.hi,$(LOOPS_HS))
+
 else
-  %.hi : %.lhi
+%.hi : %.lhi
 	$(RM) $@
 	$(UNLIT) $<  $@ || ( $(RM) $@ && exit 1 )
 	@chmod 444 $@
 endif
 
+boot :: hi-boot
+
 #-----------------------------------------------------------------------------
 # 		Linking
 
@@ -284,16 +330,13 @@ endif
 #
 depend :: $(LOOPS) $(SRCS_UGNHS) rename/ParseIface.hs rename/ParseUnfolding.hs rename/ParseType.hs
 
-ifeq ($(GhcWithDeforester),NO)
-  SRC_MKDEPENDHS_OPTS += -DOMIT_DEFORESTER
-endif
-
-ifeq ($(Ghc2_0),YES)
-SRC_MKDEPENDHS_OPTS += $(SRC_HC_OPTS)
-endif
 
-ifeq ($(GhcWithHscBuiltViaC),YES)
-  SRC_MKDEPENDHS_OPTS += -o .hc
+ifeq "$(GhcWithHscBuiltViaC)" "YES"
+SRC_MKDEPENDHS_OPTS += -o .hc
+# When booting from .hc, (hackily) remove the suffix rule for 
+# .l?hs -> .o, so that the .hc -> .o is used instead.
+%.$(way_)o : %.lhs
+%.$(way_)o : %.hs
 else
   SRCS_MKDEPENDHS = $(SRCS_HC) # should add $(LOOPS) ?
 endif