2003-05-05 Roland McGrath <roland@redhat.com>

	* Makerules (common-before-compile): New variable.
	($(common-objpfx)%.make): Depend on that instead of $(before-compile).
	($(common-objpfx)%.h $(common-objpfx)%.h.d): Likewise.  Move this rule
	to after all setting of before-compile.

1 files changed, 27 insertions, 20 deletions

diff --git a/Makerules b/Makerules
index ef4658d..1398b16 100644
--- a/Makerules
+++ b/Makerules
@@ -125,25 +125,6 @@ $(common-objpfx)%.latest: $(common-objpfx)abi-versions.h
 endif # avoid-generated
 endif # $(versioning) = yes
 
-
-# Generating headers for assembly constants.
-# We need this defined early to get into before-compile before
-# it's used in sysd-rules, below.
-$(common-objpfx)%.h $(common-objpfx)%.h.d: $(..)scripts/gen-as-const.awk \
-					   %.sym $(before-compile)
-	$(AWK) -f $< $(filter %.sym,$^) \
-	| $(CC) -S -o - $(CFLAGS) $(CPPFLAGS) -x c - \
-		-MD -MF $(@:.h=.h.d)T -MT '$(@:.h=.h.d) $(@:.h.d=.h)' \
-	| sed -n 's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$$/#define \1 \2/p' > $(@:.h.d=.h)T
-	sed $(sed-remove-objpfx) $(sed-remove-dotdot) \
-	    $(@:.h=.h.d)T > $(@:.h=.h.d)T2
-	rm -f $(@:.h=.h.d)T
-	mv -f $(@:.h=.h.d)T2 $(@:.h=.h.d)
-	mv -f $(@:.h.d=.h)T $(@:.h.d=.h)
-vpath %.sym $(sysdirs)
-before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)
-
-
 # Make sure the subdirectory for object files gets created.
 ifdef objpfx
 ifeq (,$(wildcard $(objpfx).))
@@ -165,6 +146,14 @@ ifdef before-compile
 $(before-compile):
 endif
 
+# We don't want $(common-objpfx) files to depend on miscellaneous stuff
+# in subdirs.
+ifdef subdir
+common-before-compile := $(filter-out $(objpfx)%,$(before-compile))
+else
+common-before-compile = $(before-compile)
+endif
+
 ifndef subdir
 # If a makefile needs to do something conditional on something that
 # can only be figured out from headers, write a FOO.make.c input
@@ -173,7 +162,7 @@ ifndef subdir
 #
 # We only generate these in the top-level makefile, to avoid any weirdness
 # from subdir-specific makefile tweaks creeping in on an update.
-$(common-objpfx)%.make: $(..)%.make.c $(..)Makerules $(before-compile)
+$(common-objpfx)%.make: $(..)%.make.c $(..)Makerules $(common-before-compile)
 	rm -f $@T $@.dT
 	(echo '# Generated from $*.make.c by Makerules.'; \
 	 $(CC) $(CFLAGS) $(CPPFLAGS) -E $< \
@@ -190,6 +179,24 @@ sed-remove-dotdot := -e 's@  *\.\.\/\([^ 	\]*\)@ $$(..)\1@g'
 else
 sed-remove-dotdot := -e 's@  *\([^ 	\/$$][^ 	\]*\)@ $$(..)\1@g'
 endif
+
+
+# Generating headers for assembly constants.
+# We need this defined early to get into before-compile before
+# it's used in sysd-rules, below.
+$(common-objpfx)%.h $(common-objpfx)%.h.d: $(..)scripts/gen-as-const.awk \
+					   %.sym $(common-before-compile)
+	$(AWK) -f $< $(filter %.sym,$^) \
+	| $(CC) -S -o - $(CFLAGS) $(CPPFLAGS) -x c - \
+		-MD -MF $(@:.h=.h.d)T -MT '$(@:.h=.h.d) $(@:.h.d=.h)' \
+	| sed -n 's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$$/#define \1 \2/p' > $(@:.h.d=.h)T
+	sed $(sed-remove-objpfx) $(sed-remove-dotdot) \
+	    $(@:.h=.h.d)T > $(@:.h=.h.d)T2
+	rm -f $(@:.h=.h.d)T
+	mv -f $(@:.h=.h.d)T2 $(@:.h=.h.d)
+	mv -f $(@:.h.d=.h)T $(@:.h.d=.h)
+vpath %.sym $(sysdirs)
+before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)
 
 # Generate an ordered list of implicit rules which find the source files in
 # each sysdep directory.  The old method was to use vpath to search all the