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# additional interop for things like macros and inlined functions
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add_library(
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rust_wrapper
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STATIC
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rust_wrapper.c
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)
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# generate architecture specific wrappers
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set(WRAPPER_TARGET ${CMAKE_BINARY_DIR}/rust/src/wrapper_${RUST_BINDINGS}.rs)
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set(COMMAND ${BINDGEN_EXECUTABLE} "wrapper.h"
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-o ${WRAPPER_TARGET}
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--no-derive-default
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--enable-function-attribute-detection
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--use-core
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--size_t-is-usize
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--default-macro-constant-type="signed"
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--rustified-enum="point_conversion_form_t"
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# These are not BoringSSL symbols, they are from glibc
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# and are not relevant to the build besides throwing warnings
|
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|
# about their 'long double' (aka u128) not being FFI safe.
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# We block those functions so that the build doesn't
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|
|
# spam warnings.
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|
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#
|
|
|
|
|
# https://github.com/rust-lang/rust-bindgen/issues/1549 describes the current problem
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|
# and other folks' solutions.
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#
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# We will explore migrating to https://github.com/rust-lang/rust-bindgen/pull/2122
|
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|
|
# when it lands
|
|
|
|
|
--blocklist-function="strtold"
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|
|
|
|
--blocklist-function="qecvt"
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|
|
|
|
--blocklist-function="qecvt_r"
|
|
|
|
|
--blocklist-function="qgcvt"
|
|
|
|
|
--blocklist-function="qfcvt"
|
|
|
|
|
--blocklist-function="qfcvt_r"
|
|
|
|
|
-- # these are LLVM arg passthroughs
|
|
|
|
|
-I../include
|
|
|
|
|
# https://doc.rust-lang.org/nightly/rustc/platform-support.html
|
|
|
|
|
--target=${RUST_BINDINGS})
|
|
|
|
|
|
|
|
|
|
set(INCLUDES "include!(\"wrapper_${RUST_BINDINGS}.rs\");\n")
|
|
|
|
|
|
|
|
|
|
add_custom_target(
|
|
|
|
|
bindgen_rust_${RUST_BINDINGS}
|
|
|
|
|
ALL
|
|
|
|
|
${COMMAND}
|
|
|
|
|
BYPRODUCTS ${WRAPPER_TARGET}
|
|
|
|
|
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
# move files into build directory
|
|
|
|
|
configure_file("src/lib.rs" "src/lib.rs")
|
|
|
|
|
|
|
|
|
|
if(NOT BUILD_SHARED_LIBS)
|
|
|
|
|
configure_file("build.rs" "build.rs" COPYONLY)
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
configure_file("Cargo.toml" "Cargo.toml" COPYONLY)
|
