fish-shell/cmake/Rust.cmake
2024-02-23 16:36:10 +01:00

61 lines
2.0 KiB
CMake

# Trying to build using the resolved toolchain causes all kinds of weird errors
# Just let rustup do its job
set(Rust_RESOLVE_RUSTUP_TOOLCHAINS Off)
include(FindRust)
find_package(Rust REQUIRED)
set(FISH_RUST_BUILD_DIR "${CMAKE_BINARY_DIR}/cargo/build")
if(DEFINED ASAN)
list(APPEND CARGO_FLAGS "-Z" "build-std")
list(APPEND FISH_CRATE_FEATURES "asan")
endif()
if (Rust_CARGO_TARGET)
set(rust_target_dir "${FISH_RUST_BUILD_DIR}/${Rust_CARGO_TARGET}")
else()
set(rust_target_dir "${FISH_RUST_BUILD_DIR}/${Rust_CARGO_HOST_TARGET}")
endif()
set(rust_profile $<IF:$<CONFIG:Debug>,debug,release>)
set(rust_debugflags "$<$<CONFIG:Debug,RelWithDebInfo>:-g>")
# Temporary hack to propogate CMake flags/options to build.rs. We need to get CMake to evaluate the
# truthiness of the strings if they are set.
set(CMAKE_WITH_GETTEXT "1")
if(DEFINED WITH_GETTEXT AND NOT "${WITH_GETTEXT}")
set(CMAKE_WITH_GETTEXT "0")
endif()
# CMAKE_BINARY_DIR can include symlinks, since we want to compare this to the dir fish is executed in we need to canonicalize it.
file(REAL_PATH "${CMAKE_BINARY_DIR}" fish_binary_dir)
if(FISH_CRATE_FEATURES)
set(FEATURES_ARG ${FISH_CRATE_FEATURES})
list(PREPEND FEATURES_ARG "--features")
endif()
get_property(
RUSTC_EXECUTABLE
TARGET Rust::Rustc PROPERTY IMPORTED_LOCATION
)
# Tell Cargo where our build directory is so it can find config.h.
set(VARS_FOR_CARGO
"FISH_BUILD_DIR=${fish_binary_dir}"
"PREFIX=${CMAKE_INSTALL_PREFIX}"
# Temporary hack to propogate CMake flags/options to build.rs.
"CMAKE_WITH_GETTEXT=${CMAKE_WITH_GETTEXT}"
"DOCDIR=${CMAKE_INSTALL_FULL_DOCDIR}"
"DATADIR=${CMAKE_INSTALL_FULL_DATADIR}"
"SYSCONFDIR=${CMAKE_INSTALL_FULL_SYSCONFDIR}"
"BINDIR=${CMAKE_INSTALL_FULL_BINDIR}"
"LOCALEDIR=${CMAKE_INSTALL_FULL_LOCALEDIR}"
"CARGO_TARGET_DIR=${FISH_RUST_BUILD_DIR}"
"CARGO_BUILD_RUSTC=${RUSTC_EXECUTABLE}"
"${FISH_PCRE2_BUILDFLAG}"
"RUSTFLAGS=$ENV{RUSTFLAGS} ${rust_debugflags}"
)