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Subject[PATCH 5.3 21/95] tools: gpio: Correctly add make dependencies for gpio_utils
Date
From: Laura Abbott <labbott@redhat.com>

commit 0161a94e2d1c713bd34d72bc0239d87c31747bf7 upstream.

gpio tools fail to build correctly with make parallelization:

$ make -s -j24
ld: gpio-utils.o: file not recognized: file truncated
make[1]: *** [/home/labbott/linux_upstream/tools/build/Makefile.build:145: lsgpio-in.o] Error 1
make: *** [Makefile:43: lsgpio-in.o] Error 2
make: *** Waiting for unfinished jobs....

This is because gpio-utils.o is used across multiple targets.
Fix this by making gpio-utios.o a proper dependency.

Cc: <stable@vger.kernel.org>
Signed-off-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
tools/gpio/Build | 1 +
tools/gpio/Makefile | 10 +++++++---
2 files changed, 8 insertions(+), 3 deletions(-)

--- a/tools/gpio/Build
+++ b/tools/gpio/Build
@@ -1,3 +1,4 @@
+gpio-utils-y += gpio-utils.o
lsgpio-y += lsgpio.o gpio-utils.o
gpio-hammer-y += gpio-hammer.o gpio-utils.o
gpio-event-mon-y += gpio-event-mon.o gpio-utils.o
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -35,11 +35,15 @@ $(OUTPUT)include/linux/gpio.h: ../../inc

prepare: $(OUTPUT)include/linux/gpio.h

+GPIO_UTILS_IN := $(output)gpio-utils-in.o
+$(GPIO_UTILS_IN): prepare FORCE
+ $(Q)$(MAKE) $(build)=gpio-utils
+
#
# lsgpio
#
LSGPIO_IN := $(OUTPUT)lsgpio-in.o
-$(LSGPIO_IN): prepare FORCE
+$(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
$(Q)$(MAKE) $(build)=lsgpio
$(OUTPUT)lsgpio: $(LSGPIO_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
@@ -48,7 +52,7 @@ $(OUTPUT)lsgpio: $(LSGPIO_IN)
# gpio-hammer
#
GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o
-$(GPIO_HAMMER_IN): prepare FORCE
+$(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
$(Q)$(MAKE) $(build)=gpio-hammer
$(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
@@ -57,7 +61,7 @@ $(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN)
# gpio-event-mon
#
GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o
-$(GPIO_EVENT_MON_IN): prepare FORCE
+$(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
$(Q)$(MAKE) $(build)=gpio-event-mon
$(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@

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