[project @ 2001-07-23 22:33:52 by ken]

Added "--enable-hc-boot-unregisterised" option to configure,
for bootstrapping from unregisterised HC files.

configure.in

@@ -404,6 +404,25 @@ AC_ARG_ENABLE(hc-boot,
 )
 AC_SUBST(BootingFromHc)
 
+dnl ** Booting from unregisterised .hc files?
+dnl --------------------------------------------------------------
+AC_ARG_ENABLE(hc-boot-unregisterised,
+[  --enable-hc-boot-unregisterised
+        With --enable-hc-boot, treat the intermediate .hc files as
+        unregisterised rather than registerised code.
+        (This option is mostly of interest to porters.)
+],
+[BootingFromUnregisterisedHc=YES],
+[BootingFromUnregisterisedHc=NO]
+)
+AC_SUBST(BootingFromUnregisterisedHc)
+
+if test "$BootingFromHc" = "NO"; then
+if test "$BootingFromUnregisterisedHc" = "YES"; then
+AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
+fi;
+fi;
+
 
 dnl ** Enable the construction of Win32 DLLs?
 dnl --------------------------------------------------------------

distrib/hc-build

@@ -8,7 +8,7 @@
 # unpacked).  All options are passed through to ./configure (especially
 # useful with --prefix).
 
-configopts="$*"
+configopts="$*"         # e.g., --enable-hc-boot-unregisterised
 
 # check for GNU make
 #

mk/bootstrap.mk

 # -----------------------------------------------------------------------------
-# $Id: bootstrap.mk,v 1.11 2001/05/25 10:53:59 simonmar Exp $
+# $Id: bootstrap.mk,v 1.12 2001/07/23 22:33:53 ken Exp $
 #
 # Makefile rules for booting from .hc files without a driver.
 #
@@ -118,6 +118,17 @@ endif
 # -----------------------------------------------------------------------------
 # suffix rules for building a .o from a .hc file.
 
+ifeq "$(BootingFromUnregisterisedHc)" "YES"
+
+# without mangling
+
+%.o : %.hc
+	$(CC) -x c $< -o $@ -c -O $(HC_BOOT_CC_OPTS) -I.  `echo $(patsubst -monly-%-regs, -DSTOLEN_X86_REGS=%, $(filter -monly-%-regs, $($*_HC_OPTS))) | sed 's/^$$/-DSTOLEN_X86_REGS=4/'`
+
+else
+
+# with mangling
+
 %.raw_s : %.hc
 	$(CC) -x c $< -o $@ -S -O $(HC_BOOT_CC_OPTS) -I.  `echo $(patsubst -monly-%-regs, -DSTOLEN_X86_REGS=%, $(filter -monly-%-regs, $($*_HC_OPTS))) | sed 's/^$$/-DSTOLEN_X86_REGS=4/'`
 
@@ -126,3 +137,5 @@ endif
 
 %.o : %.s
 	$(CC) -c -o $@ $<
+
+endif

mk/config.mk.in

@@ -100,6 +100,10 @@ exeext=@exeext@
 # BootingFromHc - build GHC and the libraries from .hc files?
 BootingFromHc = @BootingFromHc@
 
+# BootingFromUnregisterisedHc - treat .hc files as containing unregisterised
+# rather than registerised code, i.e., disable the mangler?
+BootingFromUnregisterisedHc = @BootingFromUnregisterisedHc@
+
 # build the libs first if we're bootstrapping from .hc files
 ifeq "$(BootingFromHc)" "YES"
 AllProjects = glafp-utils hslibs ghc green-card happy hdirect hood nofib