[Buildroot] [PATCH v3] linux: add fbtft kernel extension

[Richard Fergusson <fergie4000@gmail.com>]

You're welcome. Your patch does indeed look better than my edit. It was 
just something I threw together to check my theory. I'm definitely no 
export on writing makefiles or shell scripts.

- Richard

On 11/01/15 23:46, Peter Seiderer wrote:
> Hello Richard,
>
> On Sun, Jan 11, 2015 at 04:04:42PM +1030, Richard Fergusson wrote:
>> Not sure I'm doing this right, but here goes. With this extension
>> enabled the kernel will not build. It gives the error below. The
>> problem seems to be with line 21 of linux-ext-fbtft.mk. I have
>> edited the file to make it work and have attached the changed file.
>
> Many thanks for testing and reporting this bug (introduced by Thomas
> on beautifying by original patch and I did not catch the bug on
> review), patch will follow soon (a little different from yours to
> avoid the double if statement)...
>
> Regards,
> Peter
>
>>
>> - Richard
>>
>> $ make linux
>>>>> linux c256eb9968c8997dce47350d2075e42f1b3991d3 Download
>> additional patches
>>>>> linux c256eb9968c8997dce47350d2075e42f1b3991d3 Extracting
>> gzip -d -c /home/richard/buildroot/dl/linux-c256eb9968c8997dce47350d2075e42f1b3991d3.tar.gz
>> | tar --strip-components=1 -C /home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3
>> -xf -
>>>>> linux c256eb9968c8997dce47350d2075e42f1b3991d3 Patching
>> if [ -e /home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3/drivers/video/fbdev
>> ]; then dest=/home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3/drivers/video/fbdev
>> ; else dest=/home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3/drivers/video/
>> ; fi ; mkdir -p ${dest}/fbtft; cp -dpfr /home/richard/buildroot/output/build/fbtft-274035404701245e7491c0c6471c5b72ade4d491/*
>> ${dest}/fbtft/ ; echo 'source "drivers/video/fbdev/fbtft/Kconfig"'
>>>> ${dest}/Kconfig ; echo 'obj-y += fbtft/' >> ${dest}/Makefile
>> for p in board/raspi/kernel-patches/ ; do if echo $p | grep -q -E
>> "^ftp://|^http://" ; then support/scripts/apply-patches.sh /home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3
>> /home/richard/buildroot/dl `basename $p` ; elif test -d $p ; then
>> support/scripts/apply-patches.sh /home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3
>> $p linux-\*.patch ; else support/scripts/apply-patches.sh /home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3
>> `dirname $p` `basename $p` ; fi done
>>>>> linux c256eb9968c8997dce47350d2075e42f1b3991d3 Configuring
>> /usr/bin/install -m 0644 "board/raspi/linux.config" /home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3/arch/arm/configs/buildroot_defconfig
>> PATH="/home/richard/buildroot/output/host/bin:/home/richard/buildroot/output/host/sbin:/home/richard/buildroot/output/host/usr/bin:/home/richard/buildroot/output/host/usr/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/home/richard/Android/adt-bundle-linux-x86-20130514/sdk/platform-tools:/home/richard/Android/adt-bundle-linux-x86-20130514/sdk/platform-tools"
>> /usr/bin/make -j1 HOSTCC="/usr/bin/gcc" HOSTCFLAGS="" ARCH=arm
>> INSTALL_MOD_PATH=/home/richard/buildroot/output/target
>> CROSS_COMPILE=" /home/richard/buildroot/output/host/usr/bin/arm-buildroot-linux-uclibcgnueabi-"
>> DEPMOD=/home/richard/buildroot/output/host/sbin/depmod -C /home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3
>> buildroot_defconfig
>> make[1]: Entering directory '/home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3'
>>    HOSTCC  scripts/basic/fixdep
>>    HOSTCC  scripts/kconfig/conf.o
>>    SHIPPED scripts/kconfig/zconf.tab.c
>>    SHIPPED scripts/kconfig/zconf.lex.c
>>    SHIPPED scripts/kconfig/zconf.hash.c
>>    HOSTCC  scripts/kconfig/zconf.tab.o
>>    HOSTLD  scripts/kconfig/conf
>> drivers/video/Kconfig:2525: can't open file
>> "drivers/video/fbdev/fbtft/Kconfig"
>> /home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3/scripts/kconfig/Makefile:105:
>> recipe for target 'buildroot_defconfig' failed
>> make[2]: *** [buildroot_defconfig] Error 1
>> Makefile:503: recipe for target 'buildroot_defconfig' failed
>> make[1]: *** [buildroot_defconfig] Error 2
>> make[1]: Leaving directory '/home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3'
>> package/pkg-generic.mk:172: recipe for target '/home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3/.stamp_configured'
>> failed
>> make: *** [/home/richard/buildroot/output/build/linux-c256eb9968c8997dce47350d2075e42f1b3991d3/.stamp_configured]
>> Error 2
>>