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From: Fam Zheng <famz@redhat.com>
To: Thomas Huth <thuth@redhat.com>
Cc: qemu-devel@nongnu.org, qemu-trivial@nongnu.org,
	Paolo Bonzini <pbonzini@redhat.com>,
	Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [Qemu-trivial] [Qemu-devel] [PATCH v2] Makefile: Do not generate files if "configure" has not been run yet
Date: Thu, 8 Jun 2017 19:16:16 +0800	[thread overview]
Message-ID: <20170608111616.GA14424@lemon.lan> (raw)
In-Reply-To: <1496907604-2393-1-git-send-email-thuth@redhat.com>

On Thu, 06/08 09:40, Thomas Huth wrote:
> When doing a "make -j10" in the vanilla QEMU source tree (without
> running "configure first), the Makefile currently generates two
> files already, qemu-version.h and qemu-options.def. This should not
> happen, so let's make these targets depend on config-host.mak.
> Also the targets that use python  can not be executed without the
> $(PYTHON) from config-host.mak, so these should depend on the config-
> host.mak file, too (these targets generate some ugly error messages
> otherwise during "make -j10").
> 
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>  v2:
>  - Add the dependency to the targets that use $(PYTHON) instead of
>    adding it to $(qapi-py)
> 
>  Makefile | 23 ++++++++++++-----------
>  1 file changed, 12 insertions(+), 11 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index c830d7a..b5e0731 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -286,7 +286,7 @@ endif
>  
>  all: $(DOCS) $(TOOLS) $(HELPERS-y) recurse-all modules

Is it enough to add a

    $(filter-out $(GENERATED_FILES),config-host.mak): config-host.mak

after the variable is fully built?  (Seems config-host.mak is not included, but
filtering out is safer.)

Fam

>  
> -qemu-version.h: FORCE
> +qemu-version.h: config-host.mak FORCE
>  	$(call quiet-command, \
>  		(cd $(SRC_PATH); \
>  		printf '#define QEMU_PKGVERSION '; \
> @@ -312,6 +312,7 @@ qemu-version.h: FORCE
>  
>  config-host.h: config-host.h-timestamp
>  config-host.h-timestamp: config-host.mak
> +qemu-options.def: config-host.mak
>  qemu-options.def: $(SRC_PATH)/qemu-options.hx $(SRC_PATH)/scripts/hxtool
>  	$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -h < $< > $@,"GEN","$@")
>  
> @@ -394,17 +395,17 @@ gen-out-type = $(subst .,-,$(suffix $@))
>  qapi-py = $(SRC_PATH)/scripts/qapi.py $(SRC_PATH)/scripts/ordereddict.py
>  
>  qga/qapi-generated/qga-qapi-types.c qga/qapi-generated/qga-qapi-types.h :\
> -$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-types.py $(qapi-py)
> +$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-types.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py \
>  		$(gen-out-type) -o qga/qapi-generated -p "qga-" $<, \
>  		"GEN","$@")
>  qga/qapi-generated/qga-qapi-visit.c qga/qapi-generated/qga-qapi-visit.h :\
> -$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py)
> +$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py \
>  		$(gen-out-type) -o qga/qapi-generated -p "qga-" $<, \
>  		"GEN","$@")
>  qga/qapi-generated/qga-qmp-commands.h qga/qapi-generated/qga-qmp-marshal.c :\
> -$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py)
> +$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py \
>  		$(gen-out-type) -o qga/qapi-generated -p "qga-" $<, \
>  		"GEN","$@")
> @@ -416,27 +417,27 @@ qapi-modules = $(SRC_PATH)/qapi-schema.json $(SRC_PATH)/qapi/common.json \
>                 $(SRC_PATH)/qapi/trace.json
>  
>  qapi-types.c qapi-types.h :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-types.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-types.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py \
>  		$(gen-out-type) -o "." -b $<, \
>  		"GEN","$@")
>  qapi-visit.c qapi-visit.h :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py \
>  		$(gen-out-type) -o "." -b $<, \
>  		"GEN","$@")
>  qapi-event.c qapi-event.h :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-event.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-event.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-event.py \
>  		$(gen-out-type) -o "." $<, \
>  		"GEN","$@")
>  qmp-commands.h qmp-marshal.c :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py \
>  		$(gen-out-type) -o "." $<, \
>  		"GEN","$@")
>  qmp-introspect.h qmp-introspect.c :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-introspect.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-introspect.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-introspect.py \
>  		$(gen-out-type) -o "." $<, \
>  		"GEN","$@")
> @@ -703,10 +704,10 @@ qemu-img-cmds.texi: $(SRC_PATH)/qemu-img-cmds.hx $(SRC_PATH)/scripts/hxtool
>  
>  docs/qemu-qmp-qapi.texi docs/qemu-ga-qapi.texi: $(SRC_PATH)/scripts/qapi2texi.py $(qapi-py)
>  
> -docs/qemu-qmp-qapi.texi: $(qapi-modules)
> +docs/qemu-qmp-qapi.texi: $(qapi-modules) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi2texi.py $< > $@,"GEN","$@")
>  
> -docs/qemu-ga-qapi.texi: $(SRC_PATH)/qga/qapi-schema.json
> +docs/qemu-ga-qapi.texi: $(SRC_PATH)/qga/qapi-schema.json config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi2texi.py $< > $@,"GEN","$@")
>  
>  qemu.1: qemu-doc.texi qemu-options.texi qemu-monitor.texi qemu-monitor-info.texi
> -- 
> 1.8.3.1
> 
> 


WARNING: multiple messages have this Message-ID (diff)
From: Fam Zheng <famz@redhat.com>
To: Thomas Huth <thuth@redhat.com>
Cc: qemu-devel@nongnu.org, qemu-trivial@nongnu.org,
	Paolo Bonzini <pbonzini@redhat.com>,
	Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [Qemu-devel] [PATCH v2] Makefile: Do not generate files if "configure" has not been run yet
Date: Thu, 8 Jun 2017 19:16:16 +0800	[thread overview]
Message-ID: <20170608111616.GA14424@lemon.lan> (raw)
In-Reply-To: <1496907604-2393-1-git-send-email-thuth@redhat.com>

On Thu, 06/08 09:40, Thomas Huth wrote:
> When doing a "make -j10" in the vanilla QEMU source tree (without
> running "configure first), the Makefile currently generates two
> files already, qemu-version.h and qemu-options.def. This should not
> happen, so let's make these targets depend on config-host.mak.
> Also the targets that use python  can not be executed without the
> $(PYTHON) from config-host.mak, so these should depend on the config-
> host.mak file, too (these targets generate some ugly error messages
> otherwise during "make -j10").
> 
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>  v2:
>  - Add the dependency to the targets that use $(PYTHON) instead of
>    adding it to $(qapi-py)
> 
>  Makefile | 23 ++++++++++++-----------
>  1 file changed, 12 insertions(+), 11 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index c830d7a..b5e0731 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -286,7 +286,7 @@ endif
>  
>  all: $(DOCS) $(TOOLS) $(HELPERS-y) recurse-all modules

Is it enough to add a

    $(filter-out $(GENERATED_FILES),config-host.mak): config-host.mak

after the variable is fully built?  (Seems config-host.mak is not included, but
filtering out is safer.)

Fam

>  
> -qemu-version.h: FORCE
> +qemu-version.h: config-host.mak FORCE
>  	$(call quiet-command, \
>  		(cd $(SRC_PATH); \
>  		printf '#define QEMU_PKGVERSION '; \
> @@ -312,6 +312,7 @@ qemu-version.h: FORCE
>  
>  config-host.h: config-host.h-timestamp
>  config-host.h-timestamp: config-host.mak
> +qemu-options.def: config-host.mak
>  qemu-options.def: $(SRC_PATH)/qemu-options.hx $(SRC_PATH)/scripts/hxtool
>  	$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -h < $< > $@,"GEN","$@")
>  
> @@ -394,17 +395,17 @@ gen-out-type = $(subst .,-,$(suffix $@))
>  qapi-py = $(SRC_PATH)/scripts/qapi.py $(SRC_PATH)/scripts/ordereddict.py
>  
>  qga/qapi-generated/qga-qapi-types.c qga/qapi-generated/qga-qapi-types.h :\
> -$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-types.py $(qapi-py)
> +$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-types.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py \
>  		$(gen-out-type) -o qga/qapi-generated -p "qga-" $<, \
>  		"GEN","$@")
>  qga/qapi-generated/qga-qapi-visit.c qga/qapi-generated/qga-qapi-visit.h :\
> -$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py)
> +$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py \
>  		$(gen-out-type) -o qga/qapi-generated -p "qga-" $<, \
>  		"GEN","$@")
>  qga/qapi-generated/qga-qmp-commands.h qga/qapi-generated/qga-qmp-marshal.c :\
> -$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py)
> +$(SRC_PATH)/qga/qapi-schema.json $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py \
>  		$(gen-out-type) -o qga/qapi-generated -p "qga-" $<, \
>  		"GEN","$@")
> @@ -416,27 +417,27 @@ qapi-modules = $(SRC_PATH)/qapi-schema.json $(SRC_PATH)/qapi/common.json \
>                 $(SRC_PATH)/qapi/trace.json
>  
>  qapi-types.c qapi-types.h :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-types.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-types.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py \
>  		$(gen-out-type) -o "." -b $<, \
>  		"GEN","$@")
>  qapi-visit.c qapi-visit.h :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-visit.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-visit.py \
>  		$(gen-out-type) -o "." -b $<, \
>  		"GEN","$@")
>  qapi-event.c qapi-event.h :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-event.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-event.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-event.py \
>  		$(gen-out-type) -o "." $<, \
>  		"GEN","$@")
>  qmp-commands.h qmp-marshal.c :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-commands.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-commands.py \
>  		$(gen-out-type) -o "." $<, \
>  		"GEN","$@")
>  qmp-introspect.h qmp-introspect.c :\
> -$(qapi-modules) $(SRC_PATH)/scripts/qapi-introspect.py $(qapi-py)
> +$(qapi-modules) $(SRC_PATH)/scripts/qapi-introspect.py $(qapi-py) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-introspect.py \
>  		$(gen-out-type) -o "." $<, \
>  		"GEN","$@")
> @@ -703,10 +704,10 @@ qemu-img-cmds.texi: $(SRC_PATH)/qemu-img-cmds.hx $(SRC_PATH)/scripts/hxtool
>  
>  docs/qemu-qmp-qapi.texi docs/qemu-ga-qapi.texi: $(SRC_PATH)/scripts/qapi2texi.py $(qapi-py)
>  
> -docs/qemu-qmp-qapi.texi: $(qapi-modules)
> +docs/qemu-qmp-qapi.texi: $(qapi-modules) config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi2texi.py $< > $@,"GEN","$@")
>  
> -docs/qemu-ga-qapi.texi: $(SRC_PATH)/qga/qapi-schema.json
> +docs/qemu-ga-qapi.texi: $(SRC_PATH)/qga/qapi-schema.json config-host.mak
>  	$(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi2texi.py $< > $@,"GEN","$@")
>  
>  qemu.1: qemu-doc.texi qemu-options.texi qemu-monitor.texi qemu-monitor-info.texi
> -- 
> 1.8.3.1
> 
> 

  reply	other threads:[~2017-06-08 11:16 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-08  7:40 [Qemu-trivial] [PATCH v2] Makefile: Do not generate files if "configure" has not been run yet Thomas Huth
2017-06-08  7:40 ` [Qemu-devel] " Thomas Huth
2017-06-08 11:16 ` Fam Zheng [this message]
2017-06-08 11:16   ` Fam Zheng
2017-06-08 12:43   ` [Qemu-trivial] " Thomas Huth
2017-06-08 12:43     ` Thomas Huth
2017-06-08 12:21 ` [Qemu-trivial] " Eric Blake
2017-06-08 12:21   ` [Qemu-devel] " Eric Blake

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