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Move fish build dir canonicalization into build.rs, to lower CMake version

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This commit is contained in:
Johannes Altmanninger 2024-08-04 10:18:06 +02:00
parent f71233ae02
commit f033bccd3c
3 changed files with 4 additions and 6 deletions
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3
CMakeLists.txt
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@ -1,5 +1,4 @@
# CMake 3.19 is needed for file(REAL_PATH)
cmake_minimum_required(VERSION 3.19)
cmake_minimum_required(VERSION 3.5)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")

2
build.rs
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@ -15,6 +15,8 @@ fn main() {
// OUT_DIR is set by Cargo when the build script is running (not compiling)
let default_build_dir = env::var("OUT_DIR").unwrap();
let build_dir = option_env!("FISH_BUILD_DIR").unwrap_or(&default_build_dir);
let build_dir = std::fs::canonicalize(build_dir).unwrap();
let build_dir = build_dir.to_str().unwrap();
rsconf::set_env_value("FISH_BUILD_DIR", build_dir);
// We need to canonicalize (i.e. realpath) the manifest dir because we want to be able to
// compare it directly as a string at runtime.

5
cmake/Rust.cmake
View file

@ -29,9 +29,6 @@ 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 ${FISH_CRATE_FEATURES})
list(PREPEND FEATURES_ARG "--features")
@ -44,7 +41,7 @@ get_property(
# Tell Cargo where our build directory is so it can find Cargo.toml.
set(VARS_FOR_CARGO
"FISH_BUILD_DIR=${fish_binary_dir}"
"FISH_BUILD_DIR=${CMAKE_BINARY_DIR}"
"PREFIX=${CMAKE_INSTALL_PREFIX}"
# Temporary hack to propogate CMake flags/options to build.rs.
"CMAKE_WITH_GETTEXT=${CMAKE_WITH_GETTEXT}"