fish-shell/cmake/Rust.cmake
David Adam 2bc197fe74 cmake: add -g to existing RUSTFLAGS if required
Makes it possible to use the sanitizers again.

Note that this requires RUSTFLAGS to be set when running CMake, and will not be
updated when running the build system if the environment variable changes.
2024-02-08 00:28:30 +08:00

62 lines
2.1 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)
string(JOIN "," CURSES_LIBRARY_LIST ${CURSES_LIBRARY} ${CURSES_EXTRA_LIBRARY})
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=${CMAKE_INSTALL_FULL_LOCALEDIR}"
"CURSES_LIBRARY_LIST=${CURSES_LIBRARY_LIST}"
"CARGO_TARGET_DIR=${FISH_RUST_BUILD_DIR}"
"CARGO_BUILD_RUSTC=${RUSTC_EXECUTABLE}"
"${FISH_PCRE2_BUILDFLAG}"
"RUSTFLAGS=$ENV{RUSTFLAGS} ${rust_debugflags}"
)