diff options
Diffstat (limited to 'bazel/patch/libsodium_sys_build_script_script_.rs')
| -rw-r--r-- | bazel/patch/libsodium_sys_build_script_script_.rs | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/bazel/patch/libsodium_sys_build_script_script_.rs b/bazel/patch/libsodium_sys_build_script_script_.rs new file mode 100644 index 0000000..1b0b775 --- /dev/null +++ b/bazel/patch/libsodium_sys_build_script_script_.rs @@ -0,0 +1,407 @@ +#[cfg(not(windows))] +extern crate cc; + +#[cfg(target_env = "msvc")] +extern crate libc; + +extern crate pkg_config; +extern crate walkdir; + +use std::{ + env, + path::{Path, PathBuf}, +}; + +static VERSION: &str = "1.0.18"; + +fn main() { + println!("cargo:rerun-if-env-changed=SODIUM_LIB_DIR"); + println!("cargo:rerun-if-env-changed=SODIUM_SHARED"); + println!("cargo:rerun-if-env-changed=SODIUM_USE_PKG_CONFIG"); + + if cfg!(not(windows)) { + println!("cargo:rerun-if-env-changed=SODIUM_DISABLE_PIE"); + } + + if env::var("SODIUM_STATIC").is_ok() { + panic!("SODIUM_STATIC is deprecated. Use SODIUM_SHARED instead."); + } + + let lib_dir_isset = env::var("SODIUM_LIB_DIR").is_ok(); + let use_pkg_isset = if cfg!(feature = "use-pkg-config") { + true + } else { + env::var("SODIUM_USE_PKG_CONFIG").is_ok() + }; + let shared_isset = env::var("SODIUM_SHARED").is_ok(); + + if lib_dir_isset && use_pkg_isset { + panic!("SODIUM_LIB_DIR is incompatible with SODIUM_USE_PKG_CONFIG. Set the only one env variable"); + } + + if lib_dir_isset { + find_libsodium_env(); + } else if use_pkg_isset { + if shared_isset { + println!("cargo:warning=SODIUM_SHARED has no effect with SODIUM_USE_PKG_CONFIG"); + } + + find_libsodium_pkg(); + } else { + if shared_isset { + println!( + "cargo:warning=SODIUM_SHARED has no effect for building libsodium from source" + ); + } + + build_libsodium(); + } +} + +/* Must be called when SODIUM_LIB_DIR is set to any value +This function will set `cargo` flags. +*/ +fn find_libsodium_env() { + let lib_dir = env::var("SODIUM_LIB_DIR").unwrap(); // cannot fail + + println!("cargo:rustc-link-search=native={}", lib_dir); + let mode = if env::var("SODIUM_SHARED").is_ok() { + "dylib" + } else { + "static" + }; + let name = if cfg!(target_env = "msvc") { + "libsodium" + } else { + "sodium" + }; + println!("cargo:rustc-link-lib={}={}", mode, name); + println!( + "cargo:warning=Using unknown libsodium version. This crate is tested against \ + {} and may not be fully compatible with other versions.", + VERSION + ); +} + +/* Must be called when no SODIUM_USE_PKG_CONFIG env var is set +This function will set `cargo` flags. +*/ +#[cfg(target_env = "msvc")] +fn find_libsodium_pkg() { + panic!("SODIUM_USE_PKG_CONFIG is not supported on msvc"); +} + +/* Must be called when SODIUM_USE_PKG_CONFIG env var is set +This function will set `cargo` flags. +*/ +#[cfg(not(target_env = "msvc"))] +fn find_libsodium_pkg() { + match pkg_config::Config::new().probe("libsodium") { + Ok(lib) => { + if lib.version != VERSION { + println!( + "cargo:warning=Using libsodium version {}. This crate is tested against {} \ + and may not be fully compatible with {}.", + lib.version, VERSION, lib.version + ); + } + for lib_dir in &lib.link_paths { + println!("cargo:lib={}", lib_dir.to_str().unwrap()); + } + for include_dir in &lib.include_paths { + println!("cargo:include={}", include_dir.to_str().unwrap()); + } + } + Err(e) => { + panic!( + " +Failed to run pkg-config: +{:?} + +You can try fixing this by installing pkg-config: + + # On Ubuntu + sudo apt install pkg-config + # On Arch Linux + sudo pacman -S pkgconf + # On Fedora + sudo dnf install pkgconf-pkg-config + +", + e + ); + } + } +} + +#[cfg(windows)] +fn make_libsodium(_: &str, _: &Path, _: &Path) -> PathBuf { + // We don't build anything on windows, we simply linked to precompiled + // libs. + get_lib_dir() +} + +#[cfg(not(windows))] +fn make_libsodium(target: &str, source_dir: &Path, install_dir: &Path) -> PathBuf { + use std::{fs, process::Command, str}; + + // Decide on CC, CFLAGS and the --host configure argument + let build_compiler = cc::Build::new().get_compiler(); + let mut compiler = build_compiler.path().to_str().unwrap().to_string(); + let mut cflags = build_compiler.cflags_env().into_string().unwrap(); + let mut host_arg = format!("--host={}", target); + let mut cross_compiling = target != env::var("HOST").unwrap(); + if target.contains("-ios") { + // Determine Xcode directory path + let xcode_select_output = Command::new("xcode-select").arg("-p").output().unwrap(); + if !xcode_select_output.status.success() { + panic!("Failed to run xcode-select -p"); + } + let xcode_dir = str::from_utf8(&xcode_select_output.stdout) + .unwrap() + .trim() + .to_string(); + + // Determine SDK directory paths + let sdk_dir_simulator = Path::new(&xcode_dir) + .join("Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk") + .to_str() + .unwrap() + .to_string(); + let sdk_dir_ios = Path::new(&xcode_dir) + .join("Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk") + .to_str() + .unwrap() + .to_string(); + + // Min versions + let ios_simulator_version_min = "6.0.0"; + let ios_version_min = "6.0.0"; + + // Roughly based on `dist-build/ios.sh` in the libsodium sources + match &*target { + "aarch64-apple-ios" => { + cflags += " -arch arm64"; + cflags += &format!(" -isysroot {}", sdk_dir_ios); + cflags += &format!(" -mios-version-min={}", ios_version_min); + cflags += " -fembed-bitcode"; + host_arg = "--host=arm-apple-darwin10".to_string(); + } + "armv7-apple-ios" => { + cflags += " -arch armv7"; + cflags += &format!(" -isysroot {}", sdk_dir_ios); + cflags += &format!(" -mios-version-min={}", ios_version_min); + cflags += " -mthumb"; + host_arg = "--host=arm-apple-darwin10".to_string(); + } + "armv7s-apple-ios" => { + cflags += " -arch armv7s"; + cflags += &format!(" -isysroot {}", sdk_dir_ios); + cflags += &format!(" -mios-version-min={}", ios_version_min); + cflags += " -mthumb"; + host_arg = "--host=arm-apple-darwin10".to_string(); + } + "i386-apple-ios" => { + cflags += " -arch i386"; + cflags += &format!(" -isysroot {}", sdk_dir_simulator); + cflags += &format!(" -mios-simulator-version-min={}", ios_simulator_version_min); + host_arg = "--host=i686-apple-darwin10".to_string(); + } + "x86_64-apple-ios" => { + cflags += " -arch x86_64"; + cflags += &format!(" -isysroot {}", sdk_dir_simulator); + cflags += &format!(" -mios-simulator-version-min={}", ios_simulator_version_min); + host_arg = "--host=x86_64-apple-darwin10".to_string(); + } + _ => panic!("Unknown iOS build target: {}", target), + } + cross_compiling = true; + } else if target.contains("i686") { + compiler += " -m32 -maes"; + cflags += " -march=i686"; + } + + let help = if cross_compiling { + "***********************************************************\n\ + Possible missing dependencies.\n\ + See https://github.com/sodiumoxide/sodiumoxide#cross-compiling\n\ + ***********************************************************\n\n" + } else { + "" + }; + + // Run `./configure` + let prefix_arg = format!("--prefix={}", install_dir.to_str().unwrap()); + let libdir_arg = format!("--libdir={}/lib", install_dir.to_str().unwrap()); + let mut configure_cmd = Command::new(fs::canonicalize(source_dir.join("configure")).expect("Failed to find configure script! Did you clone the submodule at `libsodium-sys/libsodium`?")); + if !compiler.is_empty() { + configure_cmd.env("CC", &compiler); + } + if !cflags.is_empty() { + configure_cmd.env("CFLAGS", &cflags); + } + if env::var("SODIUM_DISABLE_PIE").is_ok() { + configure_cmd.arg("--disable-pie"); + } + let configure_status = configure_cmd + .current_dir(&source_dir) + .arg(&prefix_arg) + .arg(&libdir_arg) + .arg(&host_arg) + .arg("--enable-shared=no") + .status() + .unwrap_or_else(|error| { + panic!("Failed to run './configure': {}\n{}", error, help); + }); + if !configure_status.success() { + panic!( + "\nFailed to configure libsodium using {:?}\nCFLAGS={}\nCC={}\n{}\n", + configure_cmd, cflags, compiler, help + ); + } + + // Run `make check`, or `make all` if we're cross-compiling + let j_arg = format!("-j{}", env::var("NUM_JOBS").unwrap()); + let make_arg = if cross_compiling { "all" } else { "check" }; + let mut make_cmd = Command::new("make"); + let make_status = make_cmd + .current_dir(&source_dir) + .env("V", "1") + .arg(make_arg) + .arg(&j_arg) + .status() + .unwrap_or_else(|error| { + panic!("Failed to run 'make {}': {}\n{}", make_arg, error, help); + }); + if !make_status.success() { + panic!("\nFailed to build libsodium using {:?}\n{}", make_cmd, help); + } + + // Run `make install` + let mut install_cmd = Command::new("make"); + let install_status = install_cmd + .current_dir(&source_dir) + .arg("install") + .status() + .unwrap_or_else(|error| { + panic!("Failed to run 'make install': {}", error); + }); + if !install_status.success() { + panic!("\nFailed to install libsodium using {:?}", install_cmd); + } + + install_dir.join("lib") +} + +#[cfg(any(windows, target_env = "msvc"))] +fn get_crate_dir() -> PathBuf { + env::var("CARGO_MANIFEST_DIR").unwrap().into() +} + +#[cfg(target_env = "msvc")] +fn is_release_profile() -> bool { + env::var("PROFILE").unwrap() == "release" +} + +#[cfg(all(target_env = "msvc", target_pointer_width = "32"))] +fn get_lib_dir() -> PathBuf { + if is_release_profile() { + get_crate_dir().join("msvc/Win32/Release/v142/") + } else { + get_crate_dir().join("msvc/Win32/Debug/v142/") + } +} + +#[cfg(all(target_env = "msvc", target_pointer_width = "64"))] +fn get_lib_dir() -> PathBuf { + if is_release_profile() { + get_crate_dir().join("msvc/x64/Release/v142/") + } else { + get_crate_dir().join("msvc/x64/Debug/v142/") + } +} + +#[cfg(all(windows, not(target_env = "msvc"), target_pointer_width = "32"))] +fn get_lib_dir() -> PathBuf { + get_crate_dir().join("mingw/win32/") +} + +#[cfg(all(windows, not(target_env = "msvc"), target_pointer_width = "64"))] +fn get_lib_dir() -> PathBuf { + get_crate_dir().join("mingw/win64/") +} + +fn build_libsodium() { + use std::{ffi::OsStr, fs}; + + // Determine build target triple + let mut out_dir = PathBuf::from(env::var("OUT_DIR").unwrap()); + let target = env::var("TARGET").unwrap(); + let profile = env::var("PROFILE").unwrap(); + + // Avoid issues with paths containing spaces by falling back to using a tempfile. + // See https://github.com/jedisct1/libsodium/issues/207 + if out_dir.to_str().unwrap().contains(' ') { + out_dir = env::temp_dir() + .join("libsodium-sys") + .join(&target) + .join(&profile); + println!( + "cargo:warning=The path to the usual build directory contains spaces and hence \ + can't be used to build libsodium. Falling back to use {}. If running `cargo \ + clean`, ensure you also delete this fallback directory", + out_dir.display() + ); + } + + // Determine source and install dir + let install_dir = out_dir.join("installed"); + let source_dir = out_dir.join("source").join("libsodium"); + + // Create directories + fs::create_dir_all(&install_dir).unwrap(); + fs::create_dir_all(&source_dir).unwrap(); + + let paths = std::fs::read_dir("./libsodium").unwrap(); + + for path in paths { + println!("Name: {}", path.unwrap().path().display()) + } + + if !target.contains("msvc") { + // Copy sources into build directory + // Skip .git because it's marked read-only and that causes problems re-building + for entry in walkdir::WalkDir::new("libsodium") + .into_iter() + .filter_entry(|e| e.file_name() != OsStr::new(".git")) + .filter_map(Result::ok) + { + let outpath = out_dir.join("source").join(entry.path()); + if let Err(e) = if entry.file_type().is_dir() { + fs::create_dir_all(outpath) + } else { + fs::copy(entry.path(), outpath).map(|_| ()) + } { + panic!("Failed to copy sources into build directory: {}", e); + } + } + } + + let lib_dir = make_libsodium(&target, &source_dir, &install_dir); + + if target.contains("msvc") { + println!("cargo:rustc-link-lib=static=libsodium"); + } else { + println!("cargo:rustc-link-lib=static=sodium"); + } + + println!( + "cargo:rustc-link-search=native={}", + lib_dir.to_str().unwrap() + ); + + let include_dir = source_dir.join("src/libsodium/include"); + + println!("cargo:include={}", include_dir.to_str().unwrap()); + println!("cargo:lib={}", lib_dir.to_str().unwrap()); +} |