Selaa lähdekoodia

Validate dtc is new enough

Subsequent patches assume that dtc supports various recent features.
These are available in dtc 1.4.0. Validate that dtc is at least that
version.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren 10 vuotta sitten
vanhempi
commit
501ebdf286
3 muutettua tiedostoa jossa 28 lisäystä ja 1 poistoa
  1. 7 1
      Makefile
  2. 1 0
      config.mk
  3. 20 0
      tools/dtc-version.sh

+ 7 - 1
Makefile

@@ -413,7 +413,7 @@ endif
 
 all:		$(ALL-y) $(SUBDIR_EXAMPLES)
 
-$(obj)u-boot.dtb:	$(obj)u-boot
+$(obj)u-boot.dtb:	checkdtc $(obj)u-boot
 		$(MAKE) -C dts binary
 		mv $(obj)dts/dt.dtb $@
 
@@ -667,6 +667,12 @@ checkgcc4:
 		false; \
 	fi
 
+checkdtc:
+	@if test $(call dtc-version) -lt 0104; then \
+		echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
+		false; \
+	fi
+
 #
 # Auto-generate the autoconf.mk file (which is included by all makefiles)
 #

+ 1 - 0
config.mk

@@ -119,6 +119,7 @@ endif
 # Usage gcc-ver := $(call cc-version)
 cc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC))
 binutils-version = $(shell $(SHELL) $(SRCTREE)/tools/binutils-version.sh $(AS))
+dtc-version = $(shell $(SHELL) $(SRCTREE)/tools/dtc-version.sh $(DTC))
 
 #
 # Include the make variables (CC, etc...)

+ 20 - 0
tools/dtc-version.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# dtc-version dtc-command
+#
+# Prints the dtc version of `dtc-command' in a canonical 4-digit form
+# such as `0222' for binutils 2.22
+#
+
+dtc="$*"
+
+if [ ${#dtc} -eq 0 ]; then
+	echo "Error: No dtc command specified."
+	printf "Usage:\n\t$0 <dtc-command>\n"
+	exit 1
+fi
+
+MAJOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 1)
+MINOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 2)
+
+printf "%02d%02d\\n" $MAJOR $MINOR