Page MenuHomePhabricator
Files F3529535

D4805.id15591.diff
No OneTemporary
Actions

D4805.id15591.diff
View Options

diff --git a/services/lib/cmake-components/corrosion-cxx.cmake b/services/lib/cmake-components/corrosion-cxx.cmake
new file mode 100644
--- /dev/null
+++ b/services/lib/cmake-components/corrosion-cxx.cmake
@@ -0,0 +1,143 @@
+function(detect_cargo_target_architecture)
+ find_program(Rust_COMPILER rustc)
+ find_program(Sed_PATH sed)
+
+ if(NOT Rust_COMPILER)
+ message(
+ FATAL "The rustc executable was not found")
+ endif()
+
+ if(NOT Sed_PATH)
+ message(
+ FATAL "The sed executable was not found")
+ endif()
+
+ execute_process(
+ COMMAND ${Rust_COMPILER} --version --verbose
+ COMMAND ${Sed_PATH} -n "s|host: ||p"
+ OUTPUT_VARIABLE DETECTED_CARGO_TARGET
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+ if("${DETECTED_CARGO_TARGET}" STREQUAL "")
+ message(FATAL_ERROR "Cannot detect target architecture for cargo build")
+ endif()
+
+ message("Cargo target architecture detected as: ${DETECTED_CARGO_TARGET}")
+ set(Rust_CARGO_TARGET ${DETECTED_CARGO_TARGET} PARENT_SCOPE)
+endfunction(detect_cargo_target_architecture)
+
+function(add_library_rust)
+ detect_cargo_target_architecture()
+ set(ONE_VALUE_KEYWORDS PATH NAMESPACE CXX_BRIDGE_SOURCE_FILE)
+ cmake_parse_arguments(
+ _RUST_LIB
+ "${OPTIONS}"
+ "${ONE_VALUE_KEYWORDS}"
+ "${MULTI_VALUE_KEYWORDS}"
+ ${ARGN})
+
+ if("${_RUST_LIB_PATH}" STREQUAL "")
+ message(
+ FATAL_ERROR
+ "add_library_rust called without a given path to root of a rust crate")
+ endif()
+
+ if("${_RUST_LIB_NAMESPACE}" STREQUAL "")
+ message(
+ FATAL_ERROR
+ "Must supply a namespace given by keyvalue NAMESPACE <value>")
+ endif()
+
+ if("${_RUST_LIB_CXX_BRIDGE_SOURCE_FILE}" STREQUAL "")
+ set(_RUST_LIB_CXX_BRIDGE_SOURCE_FILE "src/lib.rs")
+ endif()
+
+ if(NOT EXISTS "${CMAKE_CURRENT_LIST_DIR}/${_RUST_LIB_PATH}/Cargo.toml")
+ message(
+ FATAL_ERROR
+ "${CMAKE_CURRENT_LIST_DIR}/${_RUST_LIB_PATH} does not contain a Cargo.toml")
+ endif()
+
+ set(_LIB_PATH ${_RUST_LIB_PATH})
+ set(_NAMESPACE ${_RUST_LIB_NAMESPACE})
+ set(_CXX_BRIDGE_SOURCE_FILE ${_RUST_LIB_CXX_BRIDGE_SOURCE_FILE})
+
+ corrosion_import_crate(MANIFEST_PATH "${_LIB_PATH}/Cargo.toml")
+
+ # Set cxxbridge values
+ _get_stem_name_of_path(PATH ${_LIB_PATH})
+ set(_LIB_PATH_STEM ${STEM_OF_PATH})
+
+ set(
+ CXXBRIDGE_BINARY_FOLDER
+ ${CMAKE_BINARY_DIR}/cargo/build/${Rust_CARGO_TARGET}/cxxbridge)
+ set(
+ COMMON_HEADER
+ ${CXXBRIDGE_BINARY_FOLDER}/rust/cxx.h)
+ set(
+ BINDING_HEADER
+ ${CXXBRIDGE_BINARY_FOLDER}/${_LIB_PATH_STEM}/${_CXX_BRIDGE_SOURCE_FILE}.h)
+ set(
+ BINDING_SOURCE
+ ${CXXBRIDGE_BINARY_FOLDER}/${_LIB_PATH_STEM}/${_CXX_BRIDGE_SOURCE_FILE}.cc)
+ set(
+ CXX_BINDING_INCLUDE_DIR
+ ${CXXBRIDGE_BINARY_FOLDER})
+
+ # Create cxxbridge target
+ add_custom_command(
+ DEPENDS ${_LIB_PATH_STEM}-static
+ OUTPUT
+ ${COMMON_HEADER}
+ ${BINDING_HEADER}
+ ${BINDING_SOURCE}
+ )
+
+ add_library(${_LIB_PATH_STEM}_cxxbridge)
+ target_sources(${_LIB_PATH_STEM}_cxxbridge
+ PUBLIC
+ ${COMMON_HEADER}
+ ${BINDING_HEADER}
+ ${BINDING_SOURCE}
+ )
+ target_include_directories(${_LIB_PATH_STEM}_cxxbridge
+ PUBLIC
+ ${CXX_BINDING_INCLUDE_DIR}
+ )
+
+ # Create total target with alias with given namespace
+ add_library(${_LIB_PATH_STEM}-total INTERFACE)
+ target_link_libraries(${_LIB_PATH_STEM}-total
+ INTERFACE
+ ${_LIB_PATH_STEM}_cxxbridge
+ ${_LIB_PATH_STEM}
+ )
+
+ # for end-user to link into project
+ add_library(${_NAMESPACE}::${_LIB_PATH_STEM} ALIAS ${_LIB_PATH_STEM}-total)
+endfunction(add_library_rust)
+
+function(_get_stem_name_of_path)
+ set(ONE_VALUE_KEYWORDS PATH)
+ cmake_parse_arguments(
+ _PATH_STEM
+ "${OPTIONS}"
+ "${ONE_VALUE_KEYWORDS}"
+ "${MULTI_VALUE_KEYWORDS}"
+ ${ARGN})
+
+ if("${_PATH_STEM_PATH}" STREQUAL "")
+ message(
+ FATAL_ERROR
+ "Path to get stem for is empty")
+ endif()
+
+ set(_PATH ${_PATH_STEM_PATH})
+
+ # Convert to list
+ string(REPLACE "/" ";" _PATH_AS_LIST ${_PATH})
+ list(LENGTH _PATH_AS_LIST LIST_LENGTH)
+ math(EXPR INDEX "${LIST_LENGTH} - 1" OUTPUT_FORMAT DECIMAL)
+ list(GET _PATH_AS_LIST "${INDEX}" _STEM)
+ set(STEM_OF_PATH ${_STEM} PARENT_SCOPE)
+endfunction(_get_stem_name_of_path)

File Metadata

Mime Type
text/plain
Expires
Wed, Dec 25, 7:35 PM (58 m, 27 s)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
2703021
Default Alt Text
D4805.id15591.diff (4 KB)

Event Timeline