[project @ 2002-09-30 10:22:37 by simonmar]

[ghc-hetmet.git] / mk / suffix.mk

diff --git a/mk/suffix.mk b/mk/suffix.mk
index 96a0403..cdbefdd 100644 (file)
--- a/mk/suffix.mk
+++ b/mk/suffix.mk
@@ -16,6 +16,12 @@
 
 .SUFFIXES:
 
+# 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:
+
 # However, if $(way) is set then we have to define $(way_) and $(_way)
 # from it in the obvious fashion.
 # This must be done here (or earlier), but not in target.mk with the other
@@ -84,14 +90,14 @@ ifneq "$(BootingFromHc)" "YES"
 
 %.$(way_)hi : %.$(way_)o
        @if [ ! -f $@ ] ; then \
-           echo Panic! $< exists, but $@ does not. \
+           echo Panic! $< exists, but $@ does not.; \
            exit 1; \
        else exit 0 ; \
        fi                                                      
 
 %.$(way_)hi : %.$(way_)hc
        @if [ ! -f $@ ] ; then \
-           echo Panic! $< exists, but $@ does not. \
+           echo Panic! $< exists, but $@ does not.; \
            exit 1; \
        else exit 0 ; \
        fi
@@ -101,7 +107,7 @@ endif # BootingViaC
 #-----------------------------------------------------------------------------
 # Happy Suffix Rules
 #
-.PRECIOUS: %.hs
+.SECONDARY: %.hs
 
 %.hs : %.ly
        $(HAPPY) $(HAPPY_OPTS) $<
@@ -114,7 +120,8 @@ endif # BootingViaC
 #
 ifneq "$(BootingFromHc)" "YES"
 %_hsc.c %_hsc.h %.hs : %.hsc
-       $(HSC2HS) $<
+       $(HSC2HS) $(HSC2HS_OPTS) $<
+       @touch $(patsubst %.hsc,%_hsc.c,$<)
 endif
 
 #-----------------------------------------------------------------------------
@@ -142,33 +149,58 @@ endif
 #-----------------------------------------------------------------------------
 # C-related suffix rules
 
+ifeq "$(UseGhcForCc)" "YES"
+
 %.$(way_)o : %.$(way_)s
        @$(RM) $@
-       $(AS) $(AS_OPTS) -o $@ $< || ( $(RM) $@ && exit 1 )
+       $(HC) $(GHC_CC_OPTS) -c $< -o $@
 
 %.$(way_)o : %.c
        @$(RM) $@
-       $(CC) $(CC_OPTS) -c $< -o $@
+       $(HC) $(GHC_CC_OPTS) -c $< -o $@
 
 %.$(way_)o : %.S
        @$(RM) $@
-       $(CC) $(CC_OPTS) -c $< -o $@
+       $(HC) $(GHC_CC_OPTS) -c $< -o $@
+
+%.$(way_)s : %.c
+       @$(RM) $@
+       $(HC) $(GHC_CC_OPTS) -S $< -o $@
 
-#%.$(way_)s : %.c
-#      @$(RM) $@
-#      $(CC) $(CC_OPTS) -S $< -o $@
+else
 
-%.c : %.flex
+%.$(way_)o : %.$(way_)s
        @$(RM) $@
-       $(FLEX) -t $(FLEX_OPTS) $< > $@ || ( $(RM) $@ && exit 1 )
-%.c : %.lex
+       $(AS) $(AS_OPTS) -o $@ $<
+
+%.$(way_)o : %.c
+       @$(RM) $@
+       $(CC) $(CC_OPTS) -c $< -o $@
+
+%.$(way_)o : %.S
+       @$(RM) $@
+       $(CC) $(CC_OPTS) -c $< -o $@
+
+%.$(way_)s : %.c
        @$(RM) $@
-       $(FLEX) -t $(FLEX_OPTS) $< > $@ || ( $(RM) $@ && exit 1 )
+       $(CC) $(CC_OPTS) -S $< -o $@
+
+endif
 
 # stubs are automatically generated and compiled by GHC
 %_stub.$(way_)o: %.o
        @:
 
+# -----------------------------------------------------------------------------
+# Flex/lex
+
+%.c : %.flex
+       @$(RM) $@
+       $(FLEX) -t $(FLEX_OPTS) $< > $@
+%.c : %.lex
+       @$(RM) $@
+       $(FLEX) -t $(FLEX_OPTS) $< > $@
+
 #-----------------------------------------------------------------------------
 # Yacc stuff
 
@@ -227,6 +259,8 @@ endif
 #      $(JADE) -t sgml -V html-index -d $(SGMLSTYLESHEET) -c $(DOCBOOK_CATALOG) $<
 #      $(PERL) $(COLLATEINDEX) -N -o index.sgml
        $(SGML2HTML) $(SGML2HTML_OPTS) $<
+# touch the .html file so that it is seen to be built
+       @touch $@
 
 %.html : %.tex
        @$(RM) $@
@@ -270,3 +304,10 @@ endif
 %.$(way_)o : %.$(way_)rc
        @$(RM) $@
        windres $< $@
+
+#-----------------------------------------------------------------------------
+# Preprocessor suffix rule
+
+% : %.pp
+       rm -f $@
+       $(CPP) $(CPP_OPTS) -x c $< | $(SED) -e '/^#/d' > $@