.SUFFIXES:
-# However, if $(way) is set then we have to define $(way_) and $(_way)
-# from it in the obvious fashion.
-# This must be done here (or earlier), but not in target.mk with the other
-# way management, because the pattern rules in this file take a snapshot of
-# the value of $(way_) and $(_way), and it's no good setting them later!
-
-ifneq "$(way)" ""
- way_ := $(way)_
- _way := _$(way)
-endif
+# This declaration tells GNU make to delete the target if it has
+# changed and the command which created it exited with a non-zero exit
+# code.
+
+.DELETE_ON_ERROR:
#-----------------------------------------------------------------------------
# Haskell Suffix Rules
# this case.
ifneq "$(BootingFromHc)" "YES"
-%.$(way_)o : %.hs
+# The $(odir) support is for building GHC, where we need to build three
+# different versions from the same sources. See ghc/compiler/Makefile.
+ifneq "$(odir)" ""
+odir_ = $(odir)/
+else
+odir_ =
+endif
+
+$(odir_)%.$(way_)o : %.hs
$(HC_PRE_OPTS)
- $(HC) $(HC_OPTS) -c $< -o $@
+ $(HC) $(HC_OPTS) -c $< -o $@ -ohi $(basename $@).$(way_)hi
$(HC_POST_OPTS)
-%.$(way_)o : %.lhs
+$(odir_)%.$(way_)o : %.lhs
$(HC_PRE_OPTS)
- $(HC) $(HC_OPTS) -c $< -o $@
+ $(HC) $(HC_OPTS) -c $< -o $@ -ohi $(basename $@).$(way_)hi
$(HC_POST_OPTS)
-%.$(way_)hc : %.lhs
+$(odir_)%.$(way_)hc : %.lhs
$(RM) $@
$(HC) $(HC_OPTS) -C $< -o $@
-%.$(way_)hc : %.hs
+$(odir_)%.$(way_)hc : %.hs
$(RM) $@
$(HC) $(HC_OPTS) -C $< -o $@
-%.$(way_)o : %.$(way_)hc
+$(odir_)%.$(way_)o : %.$(way_)hc
$(HC_PRE_OPTS)
$(HC) $(HC_OPTS) -c $< -o $@
$(HC_POST_OPTS)
-%.$(way_)o : %.hc
+$(odir_)%.$(way_)o : %.hc
$(HC_PRE_OPTS)
$(HC) $(HC_OPTS) -c $< -o $@
$(HC_POST_OPTS)
-%.$(way_)s : %.$(way_)hc
+$(odir_)%.$(way_)s : %.$(way_)hc
$(HC_PRE_OPTS)
$(HC) $(HC_OPTS) -S $< -o $@
$(HC_POST_OPTS)
-%.$(way_)hc : %.lhc
+$(odir_)%.$(way_)hc : %.lhc
@$(RM) $@
$(UNLIT) $< $@
@chmod 444 $@
else exit 0 ; \
fi
-%.$(way_)hi : %.$(way_)hc
+$(odir_)%.$(way_)hi : %.$(way_)hc
@if [ ! -f $@ ] ; then \
echo Panic! $< exists, but $@ does not.; \
exit 1; \
ifeq "$(UseGhcForCc)" "YES"
-%.$(way_)o : %.$(way_)s
+$(odir_)%.$(way_)o : %.$(way_)s
@$(RM) $@
$(HC) $(GHC_CC_OPTS) -c $< -o $@
-%.$(way_)o : %.c
+$(odir_)%.$(way_)o : %.c
@$(RM) $@
$(HC) $(GHC_CC_OPTS) -c $< -o $@
-%.$(way_)o : %.S
+$(odir_)%.$(way_)o : %.S
@$(RM) $@
$(HC) $(GHC_CC_OPTS) -c $< -o $@
-%.$(way_)s : %.c
+$(odir_)%.$(way_)s : %.c
@$(RM) $@
$(HC) $(GHC_CC_OPTS) -S $< -o $@
else
-%.$(way_)o : %.$(way_)s
+$(odir_)%.$(way_)o : %.$(way_)s
@$(RM) $@
- $(AS) $(AS_OPTS) -o $@ $< || ( $(RM) $@ && exit 1 )
+ $(AS) $(AS_OPTS) -o $@ $<
-%.$(way_)o : %.c
+$(odir_)%.$(way_)o : %.c
@$(RM) $@
$(CC) $(CC_OPTS) -c $< -o $@
-%.$(way_)o : %.S
+$(odir_)%.$(way_)o : %.S
@$(RM) $@
$(CC) $(CC_OPTS) -c $< -o $@
-%.$(way_)s : %.c
+$(odir_)%.$(way_)s : %.c
@$(RM) $@
$(CC) $(CC_OPTS) -S $< -o $@
%.c : %.flex
@$(RM) $@
- $(FLEX) -t $(FLEX_OPTS) $< > $@ || ( $(RM) $@ && exit 1 )
+ $(FLEX) -t $(FLEX_OPTS) $< > $@
%.c : %.lex
@$(RM) $@
- $(FLEX) -t $(FLEX_OPTS) $< > $@ || ( $(RM) $@ && exit 1 )
+ $(FLEX) -t $(FLEX_OPTS) $< > $@
#-----------------------------------------------------------------------------
# Yacc stuff
# Preprocessor suffix rule
% : %.pp
- rm -f $@
+ @$(RM) $@
$(CPP) $(CPP_OPTS) -x c $< | $(SED) -e '/^#/d' > $@