"Could not auto-detect platform"

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liu.x...@gmail.com

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Jan 15, 2019, 5:13:30 AM1/15/19

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Hello, everyone,

I am right now doing the cross compilation according to this discussion: https://github.com/grpc/grpc/issues/9719

and when I do 'make', I got errors like below, What's wrong with this? THX a lot.

liu@liu-VirtualBox:~/Downloads/grpc$ make HAS_PKG_CONFIG=false CC=arm-none-eabi-gcc CXX=arm-none-eabi-g++ RANLIB=arm-none-eabi-gcc-ranlib LD=arm-none-eabi-ld LDXX=arm-none-eabi-g++ AR=arm-none-eabi-gcc-ar PROTOBUF_CONFIG_OPTS="--host=arm-none-eabi --with-protoc=/usr/local/bin/protoc" static

[MAKE] Generating cache.mk

[CXX] Compiling src/core/lib/gpr/alloc.cc

In file included from include/grpc/support/port_platform.h:22:0,

from src/core/lib/gpr/alloc.cc:19:

include/grpc/impl/codegen/port_platform.h:357:2: error: #error "Could not auto-detect platform"

#error "Could not auto-detect platform"

include/grpc/impl/codegen/port_platform.h:392:2: error: #warning "GPR_PLATFORM_STRING not auto-detected" [-Werror=cpp]

#warning "GPR_PLATFORM_STRING not auto-detected"

In file included from include/grpc/support/port_platform.h:22:0,

from src/core/lib/gpr/alloc.cc:19:

include/grpc/impl/codegen/port_platform.h:442:2: error: #error Must define exactly one of GPR_GCC_ATOMIC, GPR_GCC_SYNC, GPR_WINDOWS_ATOMIC

#error Must define exactly one of GPR_GCC_ATOMIC, GPR_GCC_SYNC, GPR_WINDOWS_ATOMIC

include/grpc/impl/codegen/port_platform.h:446:2: error: #error Must define exactly one of GPR_ARCH_32, GPR_ARCH_64

#error Must define exactly one of GPR_ARCH_32, GPR_ARCH_64

include/grpc/impl/codegen/port_platform.h:452:2: error: #error Must define exactly one of GPR_CPU_LINUX, GPR_CPU_POSIX, GPR_WINDOWS, GPR_CPU_IPHONE, GPR_CPU_CUSTOM

#error Must define exactly one of GPR_CPU_LINUX, GPR_CPU_POSIX, GPR_WINDOWS, GPR_CPU_IPHONE, GPR_CPU_CUSTOM

include/grpc/impl/codegen/port_platform.h:458:2: error: #error Must define exactly one of GPR_MSVC_TLS, GPR_GCC_TLS, GPR_PTHREAD_TLS, GPR_CUSTOM_TLS

#error Must define exactly one of GPR_MSVC_TLS, GPR_GCC_TLS, GPR_PTHREAD_TLS, GPR_CUSTOM_TLS

cc1plus: all warnings being treated as errors

Makefile:2968: recipe for target '/home/liu/Downloads/grpc/objs/opt/src/core/lib/gpr/alloc.o' failed