Development of dtc happens in its own upstream repository, but testing
dtc changes against the kernel tree is useful. Change dtc to a variable
that users can override.
Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
Cc: Michal Marek <mmarek@xxxxxxxx>
Cc: linux-kbuild@xxxxxxxxxxxxxxx
---
scripts/Makefile.lib | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 79e8661..ceceb53 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -262,6 +262,7 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \
# DTC
# ---------------------------------------------------------------------------
+DTC ?= $(objtree)/scripts/dtc/dtc
# Generate an assembly file to wrap the output of the device tree compiler
quiet_cmd_dt_S_dtb= DTB $@
@@ -284,7 +285,7 @@ $(obj)/%.dtb.S: $(obj)/%.dtb
quiet_cmd_dtc = DTC $@
cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
- $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 \
+ $(DTC) -O dtb -o $@ -b 0 \
-i $(dir $<) $(DTC_FLAGS) \
-d $(depfile).dtc.tmp $(dtc-tmp) ; \
cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
--
2.5.0
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