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[xen master] build: specify source tree in include/ for prerequisite



commit 1188c24ef7a12d1375ad628f93dd685f5a2fab5d
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Thu Apr 7 17:57:44 2022 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Apr 7 17:57:44 2022 +0200

    build: specify source tree in include/ for prerequisite
    
    When doing an out-of-tree build, and thus setting VPATH,
    GNU Make 3.81 on Ubuntu Trusty complains about Circular dependency of
    include/Makefile and include/xlat.lst and drop them. The build fails
    later due to headers malformed.
    
    This might be due to bug #13529
        "Incorrect circular dependancy"
        https://savannah.gnu.org/bugs/?13529
    which was fixed in 3.82.
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/include/Makefile | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/xen/include/Makefile b/xen/include/Makefile
index fddf5a575b..c8c4bcd93b 100644
--- a/xen/include/Makefile
+++ b/xen/include/Makefile
@@ -45,19 +45,19 @@ public-$(CONFIG_ARM) := $(wildcard 
$(srcdir)/public/arch-arm/*.h $(srcdir)/publi
 .PHONY: all
 all: $(addprefix $(obj)/,$(headers-y))
 
-$(obj)/compat/%.h: $(obj)/compat/%.i $(src)/Makefile 
$(srctree)/tools/compat-build-header.py
+$(obj)/compat/%.h: $(obj)/compat/%.i $(srcdir)/Makefile 
$(srctree)/tools/compat-build-header.py
        $(PYTHON) $(srctree)/tools/compat-build-header.py <$< $(patsubst 
$(obj)/%,%,$@) >>$@.new; \
        mv -f $@.new $@
 
-$(obj)/compat/%.i: $(obj)/compat/%.c $(src)/Makefile
+$(obj)/compat/%.i: $(obj)/compat/%.c $(srcdir)/Makefile
        $(CPP) $(filter-out -Wa$(comma)% -include 
%/include/xen/config.h,$(XEN_CFLAGS)) $(cppflags-y) -o $@ $<
 
-$(obj)/compat/%.c: $(src)/public/%.h $(src)/xlat.lst $(src)/Makefile 
$(srctree)/tools/compat-build-source.py
+$(obj)/compat/%.c: $(src)/public/%.h $(srcdir)/xlat.lst $(srcdir)/Makefile 
$(srctree)/tools/compat-build-source.py
        mkdir -p $(@D)
        $(PYTHON) $(srctree)/tools/compat-build-source.py $(srcdir)/xlat.lst 
<$< >$@.new
        mv -f $@.new $@
 
-$(obj)/compat/.xlat/%.h: $(obj)/compat/%.h $(obj)/compat/.xlat/%.lst 
$(srctree)/tools/get-fields.sh $(src)/Makefile
+$(obj)/compat/.xlat/%.h: $(obj)/compat/%.h $(obj)/compat/.xlat/%.lst 
$(srctree)/tools/get-fields.sh $(srcdir)/Makefile
        export PYTHON=$(PYTHON); \
        while read what name; do \
                $(SHELL) $(srctree)/tools/get-fields.sh "$$what" compat_$$name 
$< || exit $$?; \
@@ -65,7 +65,7 @@ $(obj)/compat/.xlat/%.h: $(obj)/compat/%.h 
$(obj)/compat/.xlat/%.lst $(srctree)/
        mv -f $@.new $@
 
 .PRECIOUS: $(obj)/compat/.xlat/%.lst
-$(obj)/compat/.xlat/%.lst: $(src)/xlat.lst $(src)/Makefile
+$(obj)/compat/.xlat/%.lst: $(srcdir)/xlat.lst $(srcdir)/Makefile
        mkdir -p $(@D)
        grep -v '^[[:blank:]]*#' $< | sed -ne 's,@arch@,$(compat-arch-y),g' -re 
's,[[:blank:]]+$*\.h[[:blank:]]*$$,,p' >$@.new
        $(call move-if-changed,$@.new,$@)
@@ -73,7 +73,7 @@ $(obj)/compat/.xlat/%.lst: $(src)/xlat.lst $(src)/Makefile
 xlat-y := $(shell sed -ne 's,@arch@,$(compat-arch-y),g' -re 
's,^[?!][[:blank:]]+[^[:blank:]]+[[:blank:]]+,,p' $(srcdir)/xlat.lst | uniq)
 xlat-y := $(filter $(patsubst compat/%,%,$(headers-y)),$(xlat-y))
 
-$(obj)/compat/xlat.h: $(addprefix $(obj)/compat/.xlat/,$(xlat-y)) 
$(obj)/config/auto.conf $(src)/Makefile
+$(obj)/compat/xlat.h: $(addprefix $(obj)/compat/.xlat/,$(xlat-y)) 
$(obj)/config/auto.conf $(srcdir)/Makefile
        cat $(filter %.h,$^) >$@.new
        mv -f $@.new $@
 
@@ -102,7 +102,7 @@ PUBLIC_C99_HEADERS := $(call 
public-filter-headers,public-c99-headers)
 $(src)/public/io/9pfs.h-prereq := string
 $(src)/public/io/pvcalls.h-prereq := string
 
-$(obj)/headers.chk: $(PUBLIC_ANSI_HEADERS) $(src)/Makefile
+$(obj)/headers.chk: $(PUBLIC_ANSI_HEADERS) $(srcdir)/Makefile
        for i in $(filter %.h,$^); do \
            $(CC) -x c -ansi -Wall -Werror -include stdint.h \
                  -S -o /dev/null $$i || exit 1; \
@@ -110,7 +110,7 @@ $(obj)/headers.chk: $(PUBLIC_ANSI_HEADERS) $(src)/Makefile
        done >$@.new
        mv $@.new $@
 
-$(obj)/headers99.chk: $(PUBLIC_C99_HEADERS) $(src)/Makefile
+$(obj)/headers99.chk: $(PUBLIC_C99_HEADERS) $(srcdir)/Makefile
        rm -f $@.new
        $(foreach i, $(filter %.h,$^),                                        \
            echo "#include "\"$(i)\"                                          \
@@ -120,7 +120,7 @@ $(obj)/headers99.chk: $(PUBLIC_C99_HEADERS) $(src)/Makefile
            || exit $$?; echo $(i) >> $@.new;)
        mv $@.new $@
 
-$(obj)/headers++.chk: $(PUBLIC_HEADERS) $(src)/Makefile
+$(obj)/headers++.chk: $(PUBLIC_HEADERS) $(srcdir)/Makefile
        rm -f $@.new
        if ! $(CXX) -v >/dev/null 2>&1; then                                  \
            touch $@.new;                                                     \
--
generated by git-patchbot for /home/xen/git/xen.git#master



 


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