Unable to build bluecross kernel

[Lance Vick]

I am unable to build a kernel for crosshatch. 

Looks like a missing file or broken path?

Also I am only assuming "android-msm-bluecross-4.9-pie-dr1-release" for the branch and "sdm845-perf" for the defconfig from looking at git history as there is no documentation for crosshatch or blueline in https://source.android.com/setup/build/building-kernels

Build commands:

git clone https://android.googlesource.com/kernel/msm kernel/msm

cd "kernel/msm"

git checkout android-msm-bluecross-4.9-pie-dr1-release

export ARCH=arm64

export CROSS_COMPILE="$PWD/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-${gcc_version}/bin/aarch64-linux-android-"

make "sdm845-perf_defconfig"

make -j8

Failure output:

In file included from drivers/clk/qcom/mdss/mdss_pll_trace.h:116:0,                                                                              

                 from drivers/clk/qcom/mdss/mdss-dsi-pll-10nm.c:24:                                                                              

./include/trace/define_trace.h:88:43: fatal error: ./mdss_pll_trace.h: No such file or directory                                                 

 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)

compilation terminated.

scripts/Makefile.build:336: recipe for target 'drivers/clk/qcom/mdss/mdss-dsi-pll-10nm.o' failed

make[4]: *** [drivers/clk/qcom/mdss/mdss-dsi-pll-10nm.o] Error 1
make[4]: *** Waiting for unfinished jobs....
scripts/Makefile.build:650: recipe for target 'drivers/clk/qcom/mdss' failed

make[3]: *** [drivers/clk/qcom/mdss] Error 2                          

scripts/Makefile.build:650: recipe for target 'drivers/clk/qcom' failed 

make[2]: *** [drivers/clk/qcom] Error 2                               

scripts/Makefile.build:650: recipe for target 'drivers/clk' failed     

make[1]: *** [drivers/clk] Error 2
make[1]: *** Waiting for unfinished jobs....                                      

create image file: arch/arm64/boot/dtbo.img...                         

Can not read file: arch/arm64/boot/dts/google/sdm845-v2-b1c1-devboard.dtbo

arch/arm64/boot/Makefile:71: recipe for target 'arch/arm64/boot/dtbo.img' failed

make[1]: *** [arch/arm64/boot/dtbo.img] Error 255                      

arch/arm64/Makefile:214: recipe for target 'dtbo.img' failed
make: *** [dtbo.img] Error 2
make: *** Waiting for unfinished jobs....                                    

Makefile:1117: recipe for target 'drivers' failed                                                                                                

make: *** [drivers] Error 2  

[Emanuele Vannacci]

i have the same problem. Do you solve this error?

[Saurabh Sakhare]

Use Makefile in KSRC to get to know more about kernel requirements and compatibility. And check build.config file that'll give you specific requirements for kernel compilation.

I'm compiling wahoo kernel so in my build.config i found 

"ARCH=arm64

BRANCH=android-msm-wahoo-4.4

CC=clang

CLANG_TRIPLE=aarch64-linux-gnu-

CROSS_COMPILE=aarch64-linux-android-

CROSS_COMPILE_ARM32=arm-linux-androideabi-

DEFCONFIG=wahoo_defconfig

EXTRA_CMDS=''

KERNEL_DIR=private/msm-google

POST_DEFCONFIG_CMDS='check_defconfig'

CLANG_PREBUILT_BIN=prebuilts-master/clang/host/linux-x86/clang-4053586/bin/

LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN=prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/bin

LINUX_GCC_CROSS_COMPILE_ARM32_PREBUILTS_BIN=prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9/bin

LZ4_PREBUILTS_BIN=prebuilts-master/misc/linux-x86/lz4

DTC_PREBUILTS_BIN=prebuilts-master/misc/linux-x86/dtc

LIBUFDT_PREBUILTS_BIN=prebuilts-master/misc/linux-x86/libufdt"

This info so I got all requirements to build the kerne. And do add path properly check path using tab.

Saurabh Sakhare

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[Chris Fries]

The b1c1_defconfig should be the one you want for Pixel 3.  Does that resolve the issue?

-Chris

[Saurabh Sakhare]

No I wanted for pixel 2. It has wahoo board. so wahoo_defconfig works fine for it's configuration. 

Thanks Mate

Saurabh Sakhare