build: parametrize ADI legal info for Written Offer

Added a build constant (ADI_LEGAL) that is only enabled for PlutoSDR at
build time.
This should allow us to parametrize Legal info for potential/future ADI
devices that may reside in this repo.

Signed-off-by: Alexandru Ardelean <[email protected]>

Makefile

@@ -89,8 +89,8 @@ buildroot/output/images/rootfs.cpio.gz:
 	@echo device-fw $(VERSION)> $(CURDIR)/buildroot/board/$(TARGET)/VERSIONS
 	@$(foreach dir,$(VSUBDIRS),echo $(dir) $(shell cd $(dir) && git describe --abbrev=4 --dirty --always --tags) >> $(CURDIR)/buildroot/board/$(TARGET)/VERSIONS;)
 	make -C buildroot ARCH=arm zynq_$(TARGET)_defconfig
-	make -C buildroot legal-info
-	scripts/legal_info_html.sh "$(COMPLETE_NAME)" "$(CURDIR)/buildroot/board/$(TARGET)/VERSIONS"
+	ADI_LEGAL=$(ADI_LEGAL) make -C buildroot legal-info
+	ADI_LEGAL=$(ADI_LEGAL) scripts/legal_info_html.sh "$(COMPLETE_NAME)" "$(CURDIR)/buildroot/board/$(TARGET)/VERSIONS"
 	cp build/LICENSE.html buildroot/board/$(TARGET)/msd/LICENSE.html
 	make -C buildroot TOOLCHAIN_EXTERNAL_INSTALL_DIR= ARCH=arm CROSS_COMPILE=$(CROSS_COMPILE) BUSYBOX_CONFIG_FILE=$(CURDIR)/buildroot/board/$(TARGET)/busybox-1.25.0.config all
 

scripts/legal_info_html.sh

@@ -259,8 +259,9 @@ echo "<div class="boxed">" >> ${FILE}
 html_h2 "Written Offer"
 
 echo "As described above, the firmware included in the ${TARGET} contains copyrighted software that is released and distributed under many licenses, including the GPL.
-A copy of the licenses are included in this file (below).
-You may obtain the complete Corresponding Source code from us for a period of three years after our last shipment of this product, which will be no earlier than 01Jan2021, by sending a money order or check for \$15 (USD) to:
+A copy of the licenses are included in this file (below)." >> ${FILE}
+if [ "$ADI_LEGAL" == "1" ] ; then
+echo "You may obtain the complete Corresponding Source code from us for a period of three years after our last shipment of this product, which will be no earlier than 01Jan2021, by sending a money order or check for \$15 (USD) to:
 <pre>
 GPL Compliance
 Systems Development Group
@@ -276,6 +277,9 @@ Please write “<i>source for the ${TARGET}</i>” in the memo line of your paym
 Since the source does not fit on a DVD-RW, it will be delivered on a USB Thumb drive (hense the higher cost than just DVD or CD).
 <p><b>You will also find a the source on-line, and are encouraged to obtain it for zero cost, at the project web sites.</b></p>
 </div>" >> ${FILE}
+else # not ADI_LEGAL
+echo "Since you, the end user built this from source, for ${TARGET}, and didn't get a binary, there is no requirement for a written offer." >> ${FILE}
+fi
 
 html_h2 "NO WARRANTY"
 

scripts/pluto.mk

@@ -1,6 +1,8 @@
 
 # Target specific constants go here
 
+ADI_LEGAL:=1
+
 HDF_URL:=http://github.com/analogdevicesinc/plutosdr-fw/releases/download/${LATEST_TAG}/system_top.hdf
 TARGET_DTS_FILES:= zynq-pluto-sdr.dtb zynq-pluto-sdr-revb.dtb zynq-pluto-sdr-revc.dtb
 COMPLETE_NAME:=PlutoSDR