fish-shell/cmake/Rust.cmake
David Adam db9bb96910 Drop CMake PCRE2 download/linking and allow statically-linked PCRE2 crate
pcre2-sys includes a vendored copy of PCRE2, which allows for
statically-linked PCRE2. Hook this up to the CMake build variable, and
remove the C++ integration for PCRE2.
2024-01-13 20:43:12 +08:00

75 lines
2.5 KiB
CMake

if(EXISTS "${CMAKE_SOURCE_DIR}/corrosion-vendor/")
add_subdirectory("${CMAKE_SOURCE_DIR}/corrosion-vendor/")
else()
include(FetchContent)
# Don't let Corrosion's tests interfere with ours.
set(CORROSION_TESTS OFF CACHE BOOL "" FORCE)
FetchContent_Declare(
Corrosion
GIT_REPOSITORY https://github.com/mqudsi/corrosion
GIT_TAG fish
)
FetchContent_MakeAvailable(Corrosion)
add_custom_target(corrosion-vendor.tar.gz
COMMAND git archive --format tar.gz --output "${CMAKE_BINARY_DIR}/corrosion-vendor.tar.gz"
--prefix corrosion-vendor/ HEAD
WORKING_DIRECTORY ${corrosion_SOURCE_DIR}
)
endif()
set(fish_rust_target "fish")
set(FISH_CRATE_FEATURES)
if(NOT DEFINED CARGO_FLAGS)
# Corrosion doesn't like an empty string as FLAGS. This is basically a no-op alternative.
# See https://github.com/corrosion-rs/corrosion/issues/356
set(CARGO_FLAGS "--config" "foo=0")
endif()
if(DEFINED ASAN)
list(APPEND CARGO_FLAGS "-Z" "build-std")
list(APPEND FISH_CRATE_FEATURES FEATURES "asan")
endif()
corrosion_import_crate(
MANIFEST_PATH "${CMAKE_SOURCE_DIR}/Cargo.toml"
CRATES "fish"
"${FISH_CRATE_FEATURES}"
FLAGS "${CARGO_FLAGS}"
)
if (Rust_CARGO_TARGET)
set(rust_target_dir "${CMAKE_BINARY_DIR}/cargo/build/${_CORROSION_RUST_CARGO_TARGET}")
else()
set(rust_target_dir "${CMAKE_BINARY_DIR}/cargo/build/${_CORROSION_RUST_CARGO_HOST_TARGET}")
endif()
# 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} ${CURSES_EXTRA_LIBRARY})
# Tell Cargo where our build directory is so it can find config.h.
set(VARS_FOR_CARGO
"FISH_BUILD_DIR=${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}"
"${FISH_PCRE2_BUILDFLAG}"
)