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Merged
linguini1 merged 1 commit into from
May 14, 2026
+11 −6
Merged

apps/cmake: Make hello_rust_cargo buildable with cmake #3479

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17 changes: 11 additions & 6 deletions cmake/nuttx_add_rust.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,8 @@ include(nuttx_parse_function_args)
# ~~~

function(nuttx_rust_target_triple ARCHTYPE ABITYPE CPUTYPE OUTPUT)
get_filename_component(APPDIR "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/.."
ABSOLUTE)
if(ARCHTYPE STREQUAL "x86_64")
set(TARGET_TRIPLE "${APPDIR}/tools/x86_64-unknown-nuttx.json")
elseif(ARCHTYPE STREQUAL "x86")
Expand Down Expand Up @@ -127,9 +129,11 @@ function(nuttx_add_rust)

# Determine build profile based on CONFIG_DEBUG_FULLOPT
if(CONFIG_DEBUG_FULLOPT)
set(RUST_PROFILE_FLAG "--release")
set(RUST_PROFILE "release")
set(RUST_PANIC_FLAGS "-Zunstable-options -Cpanic=immediate-abort")
else()
set(RUST_PROFILE_FLAG "")
set(RUST_PROFILE "debug")
set(RUST_PANIC_FLAGS "")
endif()
Expand All @@ -145,9 +149,9 @@ function(nuttx_add_rust)
set(TARGET_BASE ${RUST_TARGET})
endif()

set(RUST_BUILD_DIR
${CMAKE_CURRENT_BINARY_DIR}/${CRATE_NAME}/target/${TARGET_BASE})
set(RUST_LIB_PATH ${RUST_BUILD_DIR}/${RUST_PROFILE}/lib${CRATE_NAME}.a)
set(RUST_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/${CRATE_NAME}/target)
set(RUST_LIB_PATH
${RUST_BUILD_DIR}/${TARGET_BASE}/${RUST_PROFILE}/lib${CRATE_NAME}.a)

# Create build directory
file(MAKE_DIRECTORY ${RUST_BUILD_DIR})
Expand All @@ -158,9 +162,10 @@ function(nuttx_add_rust)
COMMAND
${CMAKE_COMMAND} -E env
NUTTX_INCLUDE_DIR=${PROJECT_SOURCE_DIR}/include:${CMAKE_BINARY_DIR}/include:${CMAKE_BINARY_DIR}/include/arch
RUSTFLAGS=${RUST_PANIC_FLAGS} cargo build --${RUST_PROFILE}
-Zbuild-std=std,panic_abort --manifest-path ${CRATE_PATH}/Cargo.toml
--target ${RUST_TARGET} --target-dir ${RUST_BUILD_DIR}
RUSTFLAGS=${RUST_PANIC_FLAGS} cargo build ${RUST_PROFILE_FLAG}
-Zbuild-std=std,panic_abort -Zjson-target-spec --manifest-path
${CRATE_PATH}/Cargo.toml --target ${RUST_TARGET} --target-dir
${RUST_BUILD_DIR}
COMMENT "Building Rust crate ${CRATE_NAME}"
VERBATIM)

Expand Down
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