| ################################################################################ |
| # |
| # grpc |
| # |
| ################################################################################ |
| |
| GRPC_VERSION = 1.34.0 |
| GRPC_SITE = $(call github,grpc,grpc,v$(GRPC_VERSION)) |
| GRPC_LICENSE = Apache-2.0 |
| GRPC_LICENSE_FILES = LICENSE |
| |
| GRPC_INSTALL_STAGING = YES |
| |
| # Need to use host grpc_cpp_plugin during cross compilation. |
| GRPC_DEPENDENCIES = c-ares host-grpc libabseil-cpp openssl protobuf re2 zlib |
| HOST_GRPC_DEPENDENCIES = host-c-ares host-libabseil-cpp host-openssl host-protobuf \ |
| host-re2 host-zlib |
| |
| # gRPC_CARES_PROVIDER=package won't work because it requires c-ares to have |
| # installed a cmake config file, but buildroot uses c-ares' autotools build, |
| # which doesn't do this. These CARES settings trick the gRPC cmake code into |
| # not looking for c-ares at all and yet still linking with the library. |
| GRPC_CONF_OPTS = \ |
| -DgRPC_ABSL_PROVIDER=package \ |
| -D_gRPC_CARES_LIBRARIES=cares \ |
| -DgRPC_CARES_PROVIDER=none \ |
| -DgRPC_PROTOBUF_PROVIDER=package \ |
| -DgRPC_RE2_PROVIDER=package \ |
| -DgRPC_SSL_PROVIDER=package \ |
| -DgRPC_ZLIB_PROVIDER=package \ |
| -DgRPC_NATIVE_CPP_PLUGIN=$(HOST_DIR)/bin/grpc_cpp_plugin |
| |
| # grpc can use __atomic builtins, so we need to link with |
| # libatomic when available |
| ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y) |
| GRPC_CONF_OPTS += -DCMAKE_EXE_LINKER_FLAGS=-latomic |
| endif |
| |
| GRPC_CFLAGS = $(TARGET_CFLAGS) |
| GRPC_CXXFLAGS = $(TARGET_CXXFLAGS) |
| |
| # Set GPR_DISABLE_WRAPPED_MEMCPY otherwise build will fail on x86_64 with uclibc |
| # because grpc tries to link with memcpy@GLIBC_2.2.5 |
| ifeq ($(BR2_x86_64):$(BR2_TOOLCHAIN_USES_GLIBC),y:) |
| GRPC_CFLAGS += -DGPR_DISABLE_WRAPPED_MEMCPY |
| GRPC_CXXFLAGS += -DGPR_DISABLE_WRAPPED_MEMCPY |
| endif |
| |
| ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y) |
| GRPC_CFLAGS += -O0 |
| GRPC_CXXFLAGS += -O0 |
| endif |
| |
| # Toolchains older than gcc5 will fail to compile with -0s due to: |
| # error: failure memory model cannot be stronger than success memory model for |
| # '__atomic_compare_exchange', so we use -O2 in these cases |
| ifeq ($(BR2_TOOLCHAIN_GCC_AT_LEAST_5):$(BR2_OPTIMIZE_S),:y) |
| GRPC_CFLAGS += -O2 |
| GRPC_CXXFLAGS += -O2 |
| endif |
| |
| GRPC_CONF_OPTS += \ |
| -DCMAKE_C_FLAGS="$(GRPC_CFLAGS)" \ |
| -DCMAKE_CXX_FLAGS="$(GRPC_CXXFLAGS)" |
| |
| HOST_GRPC_CONF_OPTS = \ |
| -DgRPC_ABSL_PROVIDER=package \ |
| -D_gRPC_CARES_LIBRARIES=cares \ |
| -DgRPC_CARES_PROVIDER=none \ |
| -DgRPC_PROTOBUF_PROVIDER=package \ |
| -DgRPC_RE2_PROVIDER=package \ |
| -DgRPC_SSL_PROVIDER=package \ |
| -DgRPC_ZLIB_PROVIDER=package |
| |
| # With gcc 4.8 (at least on ubuntu) there is a bug in LTO which breaks |
| # the linkage of the grpc_cpp_plugin with libprotobuf and pthread. This |
| # additional flag fixes this. |
| ifeq ($(BR2_HOST_GCC_AT_LEAST_4_9),) |
| HOST_GRPC_CONF_OPTS += \ |
| -DCMAKE_EXE_LINKER_FLAGS="$(HOST_LDFLAGS) -Wl,--no-as-needed" |
| endif |
| |
| $(eval $(cmake-package)) |
| $(eval $(host-cmake-package)) |