>>> optee-client 3.4.0 Extracting
gzip -d -c /home/buildroot/build/instance-0/dl/optee-client/optee-client-3.4.0.tar.gz | tar --strip-components=1 -C /home/buildroot/build/instance-0/output/build/optee-client-3.4.0   -xf -
>>> optee-client 3.4.0 Patching

Applying 0002-cmake-support-BUILD_STATIC_LIBS-BUILD_SHARED_LIBS.patch using patch: 
patching file libteec/CMakeLists.txt
patching file tee-supplicant/CMakeLists.txt
>>> optee-client 3.4.0 Configuring
(mkdir -p /home/buildroot/build/instance-0/output/build/optee-client-3.4.0/ && cd /home/buildroot/build/instance-0/output/build/optee-client-3.4.0/ && rm -f CMakeCache.txt && PATH="/home/buildroot/build/instance-0/output/host/bin:/home/buildroot/build/instance-0/output/host/sbin:/sbin:/usr/sbin:/bin:/usr/bin"  /home/buildroot/build/instance-0/output/host/bin/cmake /home/buildroot/build/instance-0/output/build/optee-client-3.4.0/ -DCMAKE_TOOLCHAIN_FILE="/home/buildroot/build/instance-0/output/host/share/buildroot/toolchainfile.cmake" -DCMAKE_INSTALL_PREFIX="/usr" -DCMAKE_COLOR_MAKEFILE=OFF -DBUILD_DOC=OFF -DBUILD_DOCS=OFF -DBUILD_EXAMPLE=OFF -DBUILD_EXAMPLES=OFF -DBUILD_TEST=OFF -DBUILD_TESTS=OFF -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=ON   )
-- The C compiler identification is GNU 4.8.3
-- Check for working C compiler: /home/buildroot/build/instance-0/output/host/bin/arm-none-linux-gnueabi-gcc
-- Check for working C compiler: /home/buildroot/build/instance-0/output/host/bin/arm-none-linux-gnueabi-gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - not found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE  
-- Configuring done
-- Generating done
CMake Warning:
  Manually-specified variables were not used by the project:

    BUILD_DOC
    BUILD_DOCS
    BUILD_EXAMPLE
    BUILD_EXAMPLES
    BUILD_TEST
    BUILD_TESTING
    BUILD_TESTS


-- Build files have been written to: /home/buildroot/build/instance-0/output/build/optee-client-3.4.0
>>> optee-client 3.4.0 Building
PATH="/home/buildroot/build/instance-0/output/host/bin:/home/buildroot/build/instance-0/output/host/sbin:/sbin:/usr/sbin:/bin:/usr/bin"  /usr/bin/make -j8  -C /home/buildroot/build/instance-0/output/build/optee-client-3.4.0/
make[1]: Entering directory '/home/buildroot/build/instance-0/output/build/optee-client-3.4.0'
make[2]: Entering directory '/home/buildroot/build/instance-0/output/build/optee-client-3.4.0'
make[3]: Entering directory '/home/buildroot/build/instance-0/output/build/optee-client-3.4.0'
Scanning dependencies of target teec
make[3]: Leaving directory '/home/buildroot/build/instance-0/output/build/optee-client-3.4.0'
make[3]: Entering directory '/home/buildroot/build/instance-0/output/build/optee-client-3.4.0'
[ 16%] Building C object libteec/CMakeFiles/teec.dir/src/tee_client_api.c.o
[ 16%] Building C object libteec/CMakeFiles/teec.dir/src/teec_trace.c.o
/home/buildroot/build/instance-0/output/build/optee-client-3.4.0/libteec/src/tee_client_api.c: In function 'TEEC_InitializeContext':
/home/buildroot/build/instance-0/output/build/optee-client-3.4.0/libteec/src/tee_client_api.c:149:28: error: 'gen_caps' may be used uninitialized in this function [-Werror=maybe-uninitialized]
    ctx->reg_mem = gen_caps & TEE_GEN_CAP_REG_MEM;
                            ^
cc1: all warnings being treated as errors
libteec/CMakeFiles/teec.dir/build.make:62: recipe for target 'libteec/CMakeFiles/teec.dir/src/tee_client_api.c.o' failed
make[3]: *** [libteec/CMakeFiles/teec.dir/src/tee_client_api.c.o] Error 1
make[3]: Leaving directory '/home/buildroot/build/instance-0/output/build/optee-client-3.4.0'
CMakeFiles/Makefile2:85: recipe for target 'libteec/CMakeFiles/teec.dir/all' failed
make[2]: *** [libteec/CMakeFiles/teec.dir/all] Error 2
make[2]: Leaving directory '/home/buildroot/build/instance-0/output/build/optee-client-3.4.0'
Makefile:129: recipe for target 'all' failed
make[1]: *** [all] Error 2
make[1]: Leaving directory '/home/buildroot/build/instance-0/output/build/optee-client-3.4.0'
package/pkg-generic.mk:238: recipe for target '/home/buildroot/build/instance-0/output/build/optee-client-3.4.0/.stamp_built' failed
make: *** [/home/buildroot/build/instance-0/output/build/optee-client-3.4.0/.stamp_built] Error 2
make: Leaving directory '/home/buildroot/build/instance-0/buildroot'