diff options
Diffstat (limited to 'third_party/rust/nss_build_common')
| -rw-r--r-- | third_party/rust/nss_build_common/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | third_party/rust/nss_build_common/Cargo.toml | 19 | ||||
| -rw-r--r-- | third_party/rust/nss_build_common/src/lib.rs | 180 |
3 files changed, 200 insertions, 0 deletions
diff --git a/third_party/rust/nss_build_common/.cargo-checksum.json b/third_party/rust/nss_build_common/.cargo-checksum.json new file mode 100644 index 0000000000..35980b1aa5 --- /dev/null +++ b/third_party/rust/nss_build_common/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"Cargo.toml":"6597b6d5217376ab747534364a58958ddbb23ffda52045e68b610cd8f2dcdfd1","src/lib.rs":"16da98eba3da05784442815d1ead70bbe0cce8440913ee367e72711ee4874d60"},"package":null}
\ No newline at end of file diff --git a/third_party/rust/nss_build_common/Cargo.toml b/third_party/rust/nss_build_common/Cargo.toml new file mode 100644 index 0000000000..d0c8163496 --- /dev/null +++ b/third_party/rust/nss_build_common/Cargo.toml @@ -0,0 +1,19 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g., crates.io) dependencies. +# +# If you are reading this file be aware that the original Cargo.toml +# will likely look very different (and much more reasonable). +# See Cargo.toml.orig for the original contents. + +[package] +edition = "2021" +name = "nss_build_common" +version = "0.1.0" +authors = ["Thom Chiovoloni <tchiovoloni@mozilla.com>"] +license = "MPL-2.0" + +[dependencies] diff --git a/third_party/rust/nss_build_common/src/lib.rs b/third_party/rust/nss_build_common/src/lib.rs new file mode 100644 index 0000000000..9dc85bdb9a --- /dev/null +++ b/third_party/rust/nss_build_common/src/lib.rs @@ -0,0 +1,180 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +//! This shouldn't exist, but does because if something isn't going to link +//! against `nss` but has an `nss`-enabled `sqlcipher` turned on (for example, +//! by a `cargo` feature activated by something else in the workspace). +//! it might need to issue link commands for NSS. + +use std::{ + env, + ffi::OsString, + path::{Path, PathBuf}, +}; + +#[derive(Clone, Copy, PartialEq, Eq, Debug)] +pub enum LinkingKind { + Dynamic { folded_libs: bool }, + Static, +} + +#[derive(Debug, PartialEq, Eq, Clone)] +pub struct NoNssDir; + +pub fn link_nss() -> Result<(), NoNssDir> { + let is_gecko = env::var_os("MOZ_TOPOBJDIR").is_some(); + if !is_gecko { + let (lib_dir, include_dir) = get_nss()?; + println!( + "cargo:rustc-link-search=native={}", + lib_dir.to_string_lossy() + ); + println!("cargo:include={}", include_dir.to_string_lossy()); + let kind = determine_kind(); + link_nss_libs(kind); + } else { + let libs = match env::var("CARGO_CFG_TARGET_OS") + .as_ref() + .map(std::string::String::as_str) + { + Ok("android") | Ok("macos") => vec!["nss3"], + _ => vec!["nssutil3", "nss3", "plds4", "plc4", "nspr4"], + }; + for lib in &libs { + println!("cargo:rustc-link-lib=dylib={}", lib); + } + } + Ok(()) +} + +fn get_nss() -> Result<(PathBuf, PathBuf), NoNssDir> { + let nss_dir = env("NSS_DIR").ok_or(NoNssDir)?; + let nss_dir = Path::new(&nss_dir); + if !nss_dir.exists() { + println!( + "NSS_DIR path (obtained via `env`) does not exist: {}", + nss_dir.display() + ); + panic!("It looks like NSS is not built. Please run `libs/verify-[platform]-environment.sh` first!"); + } + let lib_dir = nss_dir.join("lib"); + let include_dir = nss_dir.join("include"); + Ok((lib_dir, include_dir)) +} + +fn determine_kind() -> LinkingKind { + if env_flag("NSS_STATIC") { + LinkingKind::Static + } else { + let folded_libs = env_flag("NSS_USE_FOLDED_LIBS"); + LinkingKind::Dynamic { folded_libs } + } +} + +fn link_nss_libs(kind: LinkingKind) { + let libs = get_nss_libs(kind); + // Emit -L flags + let kind_str = match kind { + LinkingKind::Dynamic { .. } => "dylib", + LinkingKind::Static => "static", + }; + for lib in libs { + println!("cargo:rustc-link-lib={}={}", kind_str, lib); + } + // Link against C++ stdlib (for mozpkix) + let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap(); + if target_os == "android" || target_os == "linux" { + println!("cargo:rustc-link-lib=stdc++"); + } else { + println!("cargo:rustc-link-lib=c++"); + } +} + +fn get_nss_libs(kind: LinkingKind) -> Vec<&'static str> { + match kind { + LinkingKind::Static => { + let mut static_libs = vec![ + "certdb", + "certhi", + "cryptohi", + "freebl_static", + "mozpkix", + "nspr4", + "nss_static", + "nssb", + "nssdev", + "nsspki", + "nssutil", + "pk11wrap_static", + "plc4", + "plds4", + "softokn_static", + ]; + // Hardware specific libs. + let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap(); + let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap(); + // https://searchfox.org/nss/rev/0d5696b3edce5124353f03159d2aa15549db8306/lib/freebl/freebl.gyp#508-542 + if target_arch == "arm" || target_arch == "aarch64" { + static_libs.push("armv8_c_lib"); + } + if target_arch == "x86_64" || target_arch == "x86" { + static_libs.push("gcm-aes-x86_c_lib"); + static_libs.push("sha-x86_c_lib"); + } + if target_arch == "arm" { + static_libs.push("gcm-aes-arm32-neon_c_lib") + } + if target_arch == "aarch64" { + static_libs.push("gcm-aes-aarch64_c_lib"); + } + if target_arch == "x86_64" { + static_libs.push("hw-acc-crypto-avx"); + static_libs.push("hw-acc-crypto-avx2"); + } + // https://searchfox.org/nss/rev/08c4d05078d00089f8d7540651b0717a9d66f87e/lib/freebl/freebl.gyp#315-324 + if ((target_os == "android" || target_os == "linux") && target_arch == "x86_64") + || target_os == "windows" + { + static_libs.push("intel-gcm-wrap_c_lib"); + // https://searchfox.org/nss/rev/08c4d05078d00089f8d7540651b0717a9d66f87e/lib/freebl/freebl.gyp#43-47 + if (target_os == "android" || target_os == "linux") && target_arch == "x86_64" { + static_libs.push("intel-gcm-s_lib"); + } + } + static_libs + } + LinkingKind::Dynamic { folded_libs } => { + let mut dylibs = vec!["freebl3", "nss3", "nssckbi", "softokn3"]; + if !folded_libs { + dylibs.append(&mut vec!["nspr4", "nssutil3", "plc4", "plds4"]); + } + dylibs + } + } +} + +pub fn env(name: &str) -> Option<OsString> { + println!("cargo:rerun-if-env-changed={}", name); + env::var_os(name) +} + +pub fn env_str(name: &str) -> Option<String> { + println!("cargo:rerun-if-env-changed={}", name); + env::var(name).ok() +} + +pub fn env_flag(name: &str) -> bool { + match env_str(name).as_ref().map(String::as_ref) { + Some("1") => true, + Some("0") => false, + Some(s) => { + println!( + "cargo:warning=unknown value for environment var {:?}: {:?}. Ignoring", + name, s + ); + false + } + None => false, + } +} |