Re: [PATCH v1] Tools: hv: move to tools buildsystem

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On Fri, Jun 28, 2019 at 08:05:42PM +0300, Andy Shevchenko wrote:
> There is a nice buildsystem dedicated for userspace tools in Linux kernel tree.
> Switch gpio target to be built by it.
> 

Any comments on this?

> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
>  tools/hv/Build    |  3 +++
>  tools/hv/Makefile | 51 +++++++++++++++++++++++++++++++++++++----------
>  2 files changed, 44 insertions(+), 10 deletions(-)
>  create mode 100644 tools/hv/Build
> 
> diff --git a/tools/hv/Build b/tools/hv/Build
> new file mode 100644
> index 000000000000..6cf51fa4b306
> --- /dev/null
> +++ b/tools/hv/Build
> @@ -0,0 +1,3 @@
> +hv_kvp_daemon-y += hv_kvp_daemon.o
> +hv_vss_daemon-y += hv_vss_daemon.o
> +hv_fcopy_daemon-y += hv_fcopy_daemon.o
> diff --git a/tools/hv/Makefile b/tools/hv/Makefile
> index 5db5e62cebda..b57143d9459c 100644
> --- a/tools/hv/Makefile
> +++ b/tools/hv/Makefile
> @@ -1,28 +1,55 @@
>  # SPDX-License-Identifier: GPL-2.0
>  # Makefile for Hyper-V tools
> -
> -WARNINGS = -Wall -Wextra
> -CFLAGS = $(WARNINGS) -g $(shell getconf LFS_CFLAGS)
> -
> -CFLAGS += -D__EXPORTED_HEADERS__ -I../../include/uapi -I../../include
> +include ../scripts/Makefile.include
>  
>  sbindir ?= /usr/sbin
>  libexecdir ?= /usr/libexec
>  sharedstatedir ?= /var/lib
>  
> -ALL_PROGRAMS := hv_kvp_daemon hv_vss_daemon hv_fcopy_daemon
> +ifeq ($(srctree),)
> +srctree := $(patsubst %/,%,$(dir $(CURDIR)))
> +srctree := $(patsubst %/,%,$(dir $(srctree)))
> +endif
> +
> +# Do not use make's built-in rules
> +# (this improves performance and avoids hard-to-debug behaviour);
> +MAKEFLAGS += -r
> +
> +override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
> +
> +ALL_TARGETS := hv_kvp_daemon hv_vss_daemon hv_fcopy_daemon
> +ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
>  
>  ALL_SCRIPTS := hv_get_dhcp_info.sh hv_get_dns_info.sh hv_set_ifconfig.sh
>  
>  all: $(ALL_PROGRAMS)
>  
> -%: %.c
> -	$(CC) $(CFLAGS) -o $@ $^
> +export srctree OUTPUT CC LD CFLAGS
> +include $(srctree)/tools/build/Makefile.include
> +
> +HV_KVP_DAEMON_IN := $(OUTPUT)hv_kvp_daemon-in.o
> +$(HV_KVP_DAEMON_IN): FORCE
> +	$(Q)$(MAKE) $(build)=hv_kvp_daemon
> +$(OUTPUT)hv_kvp_daemon: $(HV_KVP_DAEMON_IN)
> +	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
> +
> +HV_VSS_DAEMON_IN := $(OUTPUT)hv_vss_daemon-in.o
> +$(HV_VSS_DAEMON_IN): FORCE
> +	$(Q)$(MAKE) $(build)=hv_vss_daemon
> +$(OUTPUT)hv_vss_daemon: $(HV_VSS_DAEMON_IN)
> +	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
> +
> +HV_FCOPY_DAEMON_IN := $(OUTPUT)hv_fcopy_daemon-in.o
> +$(HV_FCOPY_DAEMON_IN): FORCE
> +	$(Q)$(MAKE) $(build)=hv_fcopy_daemon
> +$(OUTPUT)hv_fcopy_daemon: $(HV_FCOPY_DAEMON_IN)
> +	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
>  
>  clean:
> -	$(RM) hv_kvp_daemon hv_vss_daemon hv_fcopy_daemon
> +	rm -f $(ALL_PROGRAMS)
> +	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
>  
> -install: all
> +install: $(ALL_PROGRAMS)
>  	install -d -m 755 $(DESTDIR)$(sbindir); \
>  	install -d -m 755 $(DESTDIR)$(libexecdir)/hypervkvpd; \
>  	install -d -m 755 $(DESTDIR)$(sharedstatedir); \
> @@ -33,3 +60,7 @@ install: all
>  	for script in $(ALL_SCRIPTS); do \
>  		install $$script -m 755 $(DESTDIR)$(libexecdir)/hypervkvpd/$${script%.sh}; \
>  	done
> +
> +FORCE:
> +
> +.PHONY: all install clean FORCE prepare
> -- 
> 2.20.1
> 

-- 
With Best Regards,
Andy Shevchenko





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