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Make: handle warning files while building in a directory

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The dependency on the warning files breaks when we are building in a
directory *and* the files already exist from being shipped with the
distribution tarballs. The make VPATH simply isn't sophisticated
enough to deal with it, so let the C compiler handle it by #including
the generated file from a dummy C file.

Reported-by: Rudi Heitbaum <rudi@heitbaum.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2023-01-17 13:05:55 -08:00
parent 66a91c3796
commit 7e80d6b834
6 changed files with 37 additions and 34 deletions
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2
.gitignore vendored
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@ -50,7 +50,7 @@ TAGS
/asm/pptok.ph
/asm/tokens.h
/asm/tokhash.c
/asm/warnings.c
/asm/warnings_c.h
/config/config.h.in
/config/config.h
/config.log

34
Makefile.in
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@ -37,8 +37,10 @@ AR = @AR@
RANLIB = @RANLIB@
STRIP = @STRIP@
tools = $(top_srcdir)/tools
PERL = perl
PERLFLAGS = -I$(srcdir)/perllib -I$(srcdir)
PERLFLAGS = -I$(top_srcdir)/perllib -I$(srcdir)
RUNPERL = $(PERL) $(PERLFLAGS)
PYTHON3 = python3
@ -194,14 +196,14 @@ PERLREQ = config/unconfig.h \
x86/iflag.c x86/iflaggen.h \
macros/macros.c \
asm/pptok.ph asm/directbl.c asm/directiv.h \
asm/warnings.c include/warnings.h doc/warnings.src \
$(WARNFILES) \
misc/nasmtok.el \
version.h version.mac version.mak nsis/version.nsh
INSDEP = x86/insns.dat x86/insns.pl x86/insns-iflags.ph x86/iflags.ph
config/unconfig.h: config/config.h.in
$(RUNPERL) $(srcdir)/tools/unconfig.pl \
$(RUNPERL) $(tools)/unconfig.pl \
'$(srcdir)' config/config.h.in config/unconfig.h
x86/iflag.c: $(INSDEP)
@ -273,7 +275,7 @@ x86/regs.h: x86/regs.dat x86/regs.pl
# reasonable, but doesn't update the time stamp if the files aren't
# changed, to avoid rebuilding everything every time. Track the actual
# dependency by the empty file asm/warnings.time.
WARNFILES = asm/warnings.c include/warnings.h doc/warnings.src
WARNFILES = asm/warnings_c.h include/warnings.h doc/warnings.src
warnings:
$(RM_F) $(WARNFILES) $(WARNFILES:=.time)
@ -283,11 +285,11 @@ asm/warnings.time: $(ALLOBJ_NW:.$(O)=.c)
: > asm/warnings.time
$(MAKE) $(WARNFILES:=.time)
asm/warnings.c.time: asm/warnings.pl asm/warnings.time
$(RUNPERL) $(srcdir)/asm/warnings.pl c asm/warnings.c $(srcdir)
: > asm/warnings.c.time
asm/warnings_c.h.time: asm/warnings.pl asm/warnings.time
$(RUNPERL) $(srcdir)/asm/warnings.pl c asm/warnings_c.h $(srcdir)
: > asm/warnings_c.h.time
asm/warnings.c: asm/warnings.c.time
asm/warnings_c.h: asm/warnings_c.h.time
@: Side effect
include/warnings.h.time: asm/warnings.pl asm/warnings.time
@ -506,8 +508,8 @@ EXTERNAL_DEPENDENCIES = 1
# the dependency information will remain external, so it doesn't
# pollute the git logs.
#
Makefile.dep: $(PERLREQ) tools/mkdep.pl config.status
$(RUNPERL) tools/mkdep.pl -M Makefile.in -- $(DEPDIRS)
Makefile.dep: $(PERLREQ) $(tools)/mkdep.pl config.status
$(RUNPERL) $(tools)/mkdep.pl -M Makefile.in -- $(DEPDIRS)
dep: Makefile.dep
@ -517,9 +519,9 @@ dep: Makefile.dep
# be invoked manually or via "make dist". It should be run before
# creating release archives.
#
alldeps: $(PERLREQ) tools/syncfiles.pl tools/mkdep.pl
$(RUNPERL) tools/syncfiles.pl Makefile.in Mkfiles/*.mak
$(RUNPERL) tools/mkdep.pl -i -M Makefile.in Mkfiles/*.mak -- \
alldeps: $(PERLREQ) $(tools)/syncfiles.pl $(tools)/mkdep.pl
$(RUNPERL) $(tools)/syncfiles.pl Makefile.in Mkfiles/*.mak
$(RUNPERL) $(tools)/mkdep.pl -i -M Makefile.in Mkfiles/*.mak -- \
$(DEPDIRS)
$(RM_F) *.dep
if [ -f config.status ]; then \
@ -528,9 +530,9 @@ alldeps: $(PERLREQ) tools/syncfiles.pl tools/mkdep.pl
# Strip internal dependency information from all Makefiles; this makes
# the output good for git checkin
cleandeps: $(PERLREQ) tools/syncfiles.pl tools/mkdep.pl
$(RUNPERL) tools/syncfiles.pl Makefile.in Mkfiles/*.mak
$(RUNPERL) tools/mkdep.pl -e -M Makefile.in Mkfiles/*.mak -- \
cleandeps: $(PERLREQ) $(tools)/syncfiles.pl $(tools)/mkdep.pl
$(RUNPERL) $(tools)/syncfiles.pl Makefile.in Mkfiles/*.mak
$(RUNPERL) $(tools)/mkdep.pl -e -M Makefile.in Mkfiles/*.mak -- \
$(DEPDIRS)
$(RM_F) *.dep
if [ -f config.status ]; then \

14
Mkfiles/msvc.mak
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@ -153,14 +153,14 @@ PERLREQ = config\unconfig.h \
x86\iflag.c x86\iflaggen.h \
macros\macros.c \
asm\pptok.ph asm\directbl.c asm\directiv.h \
asm\warnings.c include\warnings.h doc\warnings.src \
$(WARNFILES) \
misc\nasmtok.el \
version.h version.mac version.mak nsis\version.nsh
INSDEP = x86\insns.dat x86\insns.pl x86\insns-iflags.ph x86\iflags.ph
config\unconfig.h: config\config.h.in
$(RUNPERL) $(srcdir)\tools\unconfig.pl \
$(RUNPERL) $(tools)\unconfig.pl \
'$(srcdir)' config\config.h.in config\unconfig.h
x86\iflag.c: $(INSDEP)
@ -232,7 +232,7 @@ x86\regs.h: x86\regs.dat x86\regs.pl
# reasonable, but doesn't update the time stamp if the files aren't
# changed, to avoid rebuilding everything every time. Track the actual
# dependency by the empty file asm\warnings.time.
WARNFILES = asm\warnings.c include\warnings.h doc\warnings.src
WARNFILES = asm\warnings_c.h include\warnings.h doc\warnings.src
warnings:
$(RM_F) $(WARNFILES) $(WARNFILES:=.time)
@ -242,11 +242,11 @@ asm\warnings.time: $(ALLOBJ_NW:.$(O)=.c)
: > asm\warnings.time
$(MAKE) $(WARNFILES:=.time)
asm\warnings.c.time: asm\warnings.pl asm\warnings.time
$(RUNPERL) $(srcdir)\asm\warnings.pl c asm\warnings.c $(srcdir)
: > asm\warnings.c.time
asm\warnings_c.h.time: asm\warnings.pl asm\warnings.time
$(RUNPERL) $(srcdir)\asm\warnings.pl c asm\warnings_c.h $(srcdir)
: > asm\warnings_c.h.time
asm\warnings.c: asm\warnings.c.time
asm\warnings_c.h: asm\warnings_c.h.time
@: Side effect
include\warnings.h.time: asm\warnings.pl asm\warnings.time

14
Mkfiles/openwcom.mak
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@ -166,14 +166,14 @@ PERLREQ = config\unconfig.h &
x86\iflag.c x86\iflaggen.h &
macros\macros.c &
asm\pptok.ph asm\directbl.c asm\directiv.h &
asm\warnings.c include\warnings.h doc\warnings.src &
$(WARNFILES) &
misc\nasmtok.el &
version.h version.mac version.mak nsis\version.nsh
INSDEP = x86\insns.dat x86\insns.pl x86\insns-iflags.ph x86\iflags.ph
config\unconfig.h: config\config.h.in
$(RUNPERL) $(srcdir)\tools\unconfig.pl &
$(RUNPERL) $(tools)\unconfig.pl &
'$(srcdir)' config\config.h.in config\unconfig.h
x86\iflag.c: $(INSDEP)
@ -245,7 +245,7 @@ x86\regs.h: x86\regs.dat x86\regs.pl
# reasonable, but doesn't update the time stamp if the files aren't
# changed, to avoid rebuilding everything every time. Track the actual
# dependency by the empty file asm\warnings.time.
WARNFILES = asm\warnings.c include\warnings.h doc\warnings.src
WARNFILES = asm\warnings_c.h include\warnings.h doc\warnings.src
warnings:
$(RM_F) $(WARNFILES) $(WARNFILES:=.time)
@ -255,11 +255,11 @@ asm\warnings.time: $(ALLOBJ_NW:.$(O)=.c)
: > asm\warnings.time
$(MAKE) $(WARNFILES:=.time)
asm\warnings.c.time: asm\warnings.pl asm\warnings.time
$(RUNPERL) $(srcdir)\asm\warnings.pl c asm\warnings.c $(srcdir)
: > asm\warnings.c.time
asm\warnings_c.h.time: asm\warnings.pl asm\warnings.time
$(RUNPERL) $(srcdir)\asm\warnings.pl c asm\warnings_c.h $(srcdir)
: > asm\warnings_c.h.time
asm\warnings.c: asm\warnings.c.time
asm\warnings_c.h: asm\warnings_c.h.time
@: Side effect
include\warnings.h.time: asm\warnings.pl asm\warnings.time

1
asm/warnings.c Normal file
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@ -0,0 +1 @@
#include "warnings_c.h"

2
doc/Makefile.in
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@ -20,7 +20,7 @@ INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@
PERL = perl -I$(srcdir)
PERL = perl -I$(top_srcdir)/perllib -I$(srcdir)
PDFOPT = @PDFOPT@