Files
yaze/cmake/grpc.cmake
2025-10-17 12:10:25 -04:00

297 lines
11 KiB
CMake

cmake_minimum_required(VERSION 3.16)
set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
set(CMAKE_POLICY_DEFAULT_CMP0074 NEW)
# Include FetchContent module
include(FetchContent)
# Try Windows-optimized path first
if(WIN32)
include(${CMAKE_CURRENT_LIST_DIR}/grpc_windows.cmake)
if(YAZE_GRPC_CONFIGURED)
# Validate that grpc_windows.cmake properly exported required targets/variables
if(NOT COMMAND target_add_protobuf)
message(FATAL_ERROR "grpc_windows.cmake did not define target_add_protobuf function")
endif()
if(NOT DEFINED ABSL_TARGETS OR NOT ABSL_TARGETS)
message(FATAL_ERROR "grpc_windows.cmake did not export ABSL_TARGETS")
endif()
if(NOT DEFINED YAZE_PROTOBUF_TARGETS OR NOT YAZE_PROTOBUF_TARGETS)
message(FATAL_ERROR "grpc_windows.cmake did not export YAZE_PROTOBUF_TARGETS")
endif()
message(STATUS "✓ Windows vcpkg gRPC configuration validated")
return()
endif()
endif()
# Set minimum CMake version for subprojects (fixes c-ares compatibility)
set(CMAKE_POLICY_VERSION_MINIMUM 3.5)
set(FETCHCONTENT_QUIET OFF)
# CRITICAL: Prevent CMake from finding system-installed protobuf/abseil
# This ensures gRPC uses its own bundled versions
set(CMAKE_DISABLE_FIND_PACKAGE_Protobuf TRUE)
set(CMAKE_DISABLE_FIND_PACKAGE_gRPC TRUE)
set(CMAKE_DISABLE_FIND_PACKAGE_absl TRUE)
# Also prevent pkg-config from finding system packages
set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH FALSE)
# Add compiler flags for modern compiler compatibility
# These flags are scoped to gRPC and its dependencies only
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# Clang 15+ compatibility for gRPC
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=missing-template-arg-list-after-template-kw")
add_compile_definitions(_LIBCPP_ENABLE_CXX20_REMOVED_TYPE_TRAITS)
elseif(MSVC)
# MSVC/Visual Studio compatibility for gRPC templates
# v1.67.1 fixes most issues, but these flags help with large template instantiations
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj") # Large object files
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /permissive-") # Standards conformance
# Suppress common gRPC warnings on MSVC (don't use add_compile_options to avoid affecting user code)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4267 /wd4244")
# Increase template instantiation depth for complex promise chains (MSVC 2019+)
if(MSVC_VERSION GREATER_EQUAL 1920)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /constexpr:depth2048")
endif()
# Prevent Windows macro pollution in protobuf-generated headers
add_compile_definitions(
WIN32_LEAN_AND_MEAN # Exclude rarely-used Windows headers
NOMINMAX # Don't define min/max macros
NOGDI # Exclude GDI (prevents DWORD and other macro conflicts)
)
endif()
# Save YAZE's C++ standard and temporarily set to C++17 for gRPC
set(_SAVED_CMAKE_CXX_STANDARD ${CMAKE_CXX_STANDARD})
set(CMAKE_CXX_STANDARD 17)
# Configure gRPC build options before fetching
set(gRPC_BUILD_TESTS OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_CODEGEN ON CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_CPP_PLUGIN ON CACHE BOOL "" FORCE)
set(gRPC_BUILD_CSHARP_EXT OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_CSHARP_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_NODE_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_OBJECTIVE_C_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_PHP_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_PYTHON_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BUILD_GRPC_RUBY_PLUGIN OFF CACHE BOOL "" FORCE)
set(gRPC_BENCHMARK_PROVIDER "none" CACHE STRING "" FORCE)
set(gRPC_ZLIB_PROVIDER "module" CACHE STRING "" FORCE)
# Skip install rule generation inside gRPC's dependency graph. This avoids
# configure-time checks that require every transitive dependency (like Abseil
# compatibility shims) to participate in install export sets, which we do not
# need for the editor builds.
set(CMAKE_SKIP_INSTALL_RULES ON CACHE BOOL "" FORCE)
# Let gRPC fetch and build its own protobuf and abseil
set(gRPC_PROTOBUF_PROVIDER "module" CACHE STRING "" FORCE)
set(gRPC_ABSL_PROVIDER "module" CACHE STRING "" FORCE)
# Protobuf configuration
set(protobuf_BUILD_TESTS OFF CACHE BOOL "" FORCE)
set(protobuf_BUILD_CONFORMANCE OFF CACHE BOOL "" FORCE)
set(protobuf_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
set(protobuf_BUILD_PROTOC_BINARIES ON CACHE BOOL "" FORCE)
set(protobuf_WITH_ZLIB ON CACHE BOOL "" FORCE)
set(protobuf_MSVC_STATIC_RUNTIME ON CACHE BOOL "" FORCE)
# Abseil configuration
set(ABSL_PROPAGATE_CXX_STD ON CACHE BOOL "" FORCE)
set(ABSL_ENABLE_INSTALL ON CACHE BOOL "" FORCE)
set(ABSL_BUILD_TESTING OFF CACHE BOOL "" FORCE)
set(ABSL_MSVC_STATIC_RUNTIME ON CACHE BOOL "" FORCE)
set(gRPC_MSVC_STATIC_RUNTIME ON CACHE BOOL "" FORCE)
# Disable x86-specific optimizations for ARM64 macOS builds
if(APPLE AND CMAKE_OSX_ARCHITECTURES STREQUAL "arm64")
set(ABSL_USE_EXTERNAL_GOOGLETEST OFF CACHE BOOL "" FORCE)
set(ABSL_BUILD_TEST_HELPERS OFF CACHE BOOL "" FORCE)
endif()
# Declare gRPC with platform-specific versions
# - macOS/Linux: v1.75.1 (has ARM64 + modern Clang fixes)
# - Windows: v1.75.1 (better NASM/clang-cl support than v1.67.1)
set(_GRPC_VERSION "v1.75.1")
if(WIN32)
set(_GRPC_VERSION_REASON "Windows clang-cl + MSVC compatibility")
# Disable BoringSSL ASM to avoid NASM build issues on Windows
# ASM optimizations cause NASM flag conflicts with clang-cl
set(OPENSSL_NO_ASM ON CACHE BOOL "" FORCE)
message(STATUS "Disabling BoringSSL ASM optimizations for Windows build compatibility")
else()
set(_GRPC_VERSION_REASON "ARM64 macOS + modern Clang compatibility")
endif()
message(STATUS "FetchContent gRPC version: ${_GRPC_VERSION} (${_GRPC_VERSION_REASON})")
FetchContent_Declare(
grpc
GIT_REPOSITORY https://github.com/grpc/grpc.git
GIT_TAG ${_GRPC_VERSION}
GIT_PROGRESS TRUE
GIT_SHALLOW TRUE
USES_TERMINAL_DOWNLOAD TRUE
)
# Save the current CMAKE_PREFIX_PATH and clear it temporarily
# This prevents system packages from interfering
set(_SAVED_CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH})
set(CMAKE_PREFIX_PATH "")
# Download and build in isolation
FetchContent_MakeAvailable(grpc)
# Restore CMAKE_PREFIX_PATH
set(CMAKE_PREFIX_PATH ${_SAVED_CMAKE_PREFIX_PATH})
# Restore YAZE's C++ standard
set(CMAKE_CXX_STANDARD ${_SAVED_CMAKE_CXX_STANDARD})
# Verify targets
if(NOT TARGET protoc)
message(FATAL_ERROR "Can not find target protoc")
endif()
if(NOT TARGET grpc_cpp_plugin)
message(FATAL_ERROR "Can not find target grpc_cpp_plugin")
endif()
set(_gRPC_PROTOBUF_PROTOC_EXECUTABLE $<TARGET_FILE:protoc>)
set(_gRPC_CPP_PLUGIN $<TARGET_FILE:grpc_cpp_plugin>)
set(_gRPC_PROTO_GENS_DIR ${CMAKE_BINARY_DIR}/gens)
file(MAKE_DIRECTORY ${_gRPC_PROTO_GENS_DIR})
get_target_property(_PROTOBUF_INCLUDE_DIRS libprotobuf INTERFACE_INCLUDE_DIRECTORIES)
list(GET _PROTOBUF_INCLUDE_DIRS 0 _gRPC_PROTOBUF_WELLKNOWN_INCLUDE_DIR)
# Export Abseil targets from gRPC's bundled abseil for use by the rest of the project
# This ensures version compatibility between gRPC and our project
# Note: Order matters for some linkers - put base libraries first
set(
ABSL_TARGETS
absl::base
absl::config
absl::core_headers
absl::utility
absl::memory
absl::container_memory
absl::strings
absl::str_format
absl::cord
absl::hash
absl::time
absl::status
absl::statusor
absl::flags
absl::flags_parse
absl::flags_usage
absl::flags_commandlineflag
absl::flags_marshalling
absl::flags_private_handle_accessor
absl::flags_program_name
absl::flags_config
absl::flags_reflection
absl::examine_stack
absl::stacktrace
absl::failure_signal_handler
absl::flat_hash_map
absl::synchronization
absl::symbolize
)
# Only expose absl::int128 when it's supported without warnings
if(NOT WIN32)
list(APPEND ABSL_TARGETS absl::int128)
endif()
# ABSL_TARGETS is now available to the rest of the project via include()
# Fix Abseil ARM64 macOS compile flags (remove x86-specific flags)
if(APPLE AND DEFINED CMAKE_OSX_ARCHITECTURES AND CMAKE_OSX_ARCHITECTURES STREQUAL "arm64")
foreach(_absl_target IN ITEMS absl_random_internal_randen_hwaes absl_random_internal_randen_hwaes_impl)
if(TARGET ${_absl_target})
get_target_property(_absl_opts ${_absl_target} COMPILE_OPTIONS)
if(_absl_opts AND NOT _absl_opts STREQUAL "NOTFOUND")
set(_absl_filtered_opts)
set(_absl_skip_next FALSE)
foreach(_absl_opt IN LISTS _absl_opts)
if(_absl_skip_next)
set(_absl_skip_next FALSE)
continue()
endif()
if(_absl_opt STREQUAL "-Xarch_x86_64")
set(_absl_skip_next TRUE)
continue()
endif()
if(_absl_opt STREQUAL "-maes" OR _absl_opt STREQUAL "-msse4.1")
continue()
endif()
list(APPEND _absl_filtered_opts ${_absl_opt})
endforeach()
set_property(TARGET ${_absl_target} PROPERTY COMPILE_OPTIONS ${_absl_filtered_opts})
endif()
endif()
endforeach()
endif()
message(STATUS "gRPC setup complete (includes bundled Abseil)")
function(target_add_protobuf target)
if(NOT TARGET ${target})
message(FATAL_ERROR "Target ${target} doesn't exist")
endif()
if(NOT ARGN)
message(SEND_ERROR "Error: target_add_protobuf() called without any proto files")
return()
endif()
set(_protobuf_include_path -I . -I ${_gRPC_PROTOBUF_WELLKNOWN_INCLUDE_DIR})
foreach(FIL ${ARGN})
get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
get_filename_component(FIL_WE ${FIL} NAME_WE)
file(RELATIVE_PATH REL_FIL ${CMAKE_CURRENT_SOURCE_DIR} ${ABS_FIL})
get_filename_component(REL_DIR ${REL_FIL} DIRECTORY)
if(NOT REL_DIR)
set(RELFIL_WE "${FIL_WE}")
else()
set(RELFIL_WE "${REL_DIR}/${FIL_WE}")
endif()
add_custom_command(
OUTPUT "${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.cc"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.h"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}_mock.grpc.pb.h"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h"
COMMAND ${_gRPC_PROTOBUF_PROTOC_EXECUTABLE}
ARGS --grpc_out=generate_mock_code=true:${_gRPC_PROTO_GENS_DIR}
--cpp_out=${_gRPC_PROTO_GENS_DIR}
--plugin=protoc-gen-grpc=${_gRPC_CPP_PLUGIN}
${_protobuf_include_path}
${REL_FIL}
DEPENDS ${ABS_FIL} protoc grpc_cpp_plugin
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Running gRPC C++ protocol buffer compiler on ${FIL}"
VERBATIM)
target_sources(${target} PRIVATE
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.cc"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.grpc.pb.h"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}_mock.grpc.pb.h"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.cc"
"${_gRPC_PROTO_GENS_DIR}/${RELFIL_WE}.pb.h"
)
target_include_directories(${target} PUBLIC
$<BUILD_INTERFACE:${_gRPC_PROTO_GENS_DIR}>
$<BUILD_INTERFACE:${_gRPC_PROTOBUF_WELLKNOWN_INCLUDE_DIR}>
)
endforeach()
endfunction()