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* [PATCH v1 1/2] tools/spi: move to tools buildsystem
@ 2017-07-22 21:47 Andy Shevchenko
       [not found] ` <20170722214740.57322-1-andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
  0 siblings, 1 reply; 5+ messages in thread
From: Andy Shevchenko @ 2017-07-22 21:47 UTC (permalink / raw)
  To: Mark Brown, linux-spi-u79uwXL29TY76Z2rM5mHXA, Jacek Anaszewski
  Cc: Andy Shevchenko

There is a nice buildsystem dedicated for userspace tools in Linux kernel tree.
Switch gpio target to be built by it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
---
 tools/spi/Build    |  2 ++
 tools/spi/Makefile | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 tools/spi/Build

diff --git a/tools/spi/Build b/tools/spi/Build
new file mode 100644
index 000000000000..8e8466033d99
--- /dev/null
+++ b/tools/spi/Build
@@ -0,0 +1,2 @@
+spidev_test-y += spidev_test.o
+spidev_fdx-y += spidev_fdx.o
diff --git a/tools/spi/Makefile b/tools/spi/Makefile
index 3815b18ba070..aa9517260715 100644
--- a/tools/spi/Makefile
+++ b/tools/spi/Makefile
@@ -1,6 +1,58 @@
+include ../scripts/Makefile.include
+
+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
+
 CC = $(CROSS_COMPILE)gcc
+LD = $(CROSS_COMPILE)ld
+CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
+
+ALL_TARGETS := spidev_test spidev_fdx
+ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
+
+all: $(ALL_PROGRAMS)
+
+export srctree OUTPUT CC LD CFLAGS
+include $(srctree)/tools/build/Makefile.include
 
-all: spidev_test spidev_fdx
+#
+# We need the following to be outside of kernel tree
+#
+$(OUTPUT)include/linux/spi/spidev.h: ../../include/uapi/linux/spi/spidev.h
+	mkdir -p $(OUTPUT)include/linux/spi 2>&1 || true
+	ln -sf $(CURDIR)/../../include/uapi/linux/spi/spidev.h $@
+
+prepare: $(OUTPUT)include/linux/spi/spidev.h
+
+#
+# spidev_test
+#
+SPIDEV_TEST_IN := $(OUTPUT)spidev_test-in.o
+$(SPIDEV_TEST_IN): prepare FORCE
+	$(Q)$(MAKE) $(build)=spidev_test
+$(OUTPUT)spidev_test: $(SPIDEV_TEST_IN)
+	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
+
+#
+# spidev_fdx
+#
+SPIDEV_FDX_IN := $(OUTPUT)spidev_fdx-in.o
+$(SPIDEV_FDX_IN): prepare FORCE
+	$(Q)$(MAKE) $(build)=spidev_fdx
+$(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN)
+	$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
 
 clean:
-	$(RM) spidev_test spidev_fdx
+	rm -f $(ALL_PROGRAMS)
+	rm -f $(OUTPUT)include/linux/spi/spidev.h
+	find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
+
+FORCE:
+
+.PHONY: all clean FORCE prepare
-- 
2.13.2

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^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2017-07-26 14:18 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-07-22 21:47 [PATCH v1 1/2] tools/spi: move to tools buildsystem Andy Shevchenko
     [not found] ` <20170722214740.57322-1-andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-07-22 21:47   ` [PATCH v1 2/2] tools/spi: add install section Andy Shevchenko
     [not found]     ` <20170722214740.57322-2-andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-07-26 14:18       ` Applied "spi: tools: add install section" to the spi tree Mark Brown
2017-07-26  7:19   ` [PATCH v1 1/2] tools/spi: move to tools buildsystem Geert Uytterhoeven
2017-07-26 14:18   ` Applied "spi: tools: move to tools buildsystem" to the spi tree Mark Brown

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