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Diffstat (limited to 'tools/gpio/Makefile')
-rw-r--r--tools/gpio/Makefile16
1 files changed, 12 insertions, 4 deletions
diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index 6ecdd1067826..6289b8d20dff 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -3,7 +3,11 @@ include ../scripts/Makefile.include
bindir ?= /usr/bin
-ifeq ($(srctree),)
+# This will work when gpio is built in tools env. where srctree
+# isn't set and when invoked from selftests build, where srctree
+# is set to ".". building_out_of_srctree is undefined for in srctree
+# builds
+ifndef building_out_of_srctree
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif
@@ -31,11 +35,15 @@ $(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h
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 $@
@@ -44,7 +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 $@
@@ -53,7 +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 $@