1 // Copyright 2019 TiKV Project Authors. Licensed under Apache-2.0.
6 use std::io::prelude::*;
15 fn grpc_version() -> &'static str {  in grpc_version()
19     label.split('-').next().unwrap()  in grpc_version()
22 include!("link-deps.rs");
24 fn probe_library(library: &str, cargo_metadata: bool) -> Library {  in probe_library()
31         Err(e) => panic!("can't find library {} via pkg-config: {:?}", library, e),  in probe_library()
40         "grpc/third_party/abseil-cpp",  in prepare_grpc()
47                 "Can't find module {}. You need to run `git submodule \  in prepare_grpc()
48                  update --init --recursive` first to build the project.",  in prepare_grpc()
55 fn is_directory_empty<P: AsRef<Path>>(p: P) -> Result<bool, io::Error> {  in is_directory_empty()
60 fn trim_start<'a>(s: &'a str, prefix: &str) -> Option<&'a str> {  in trim_start()
88     // See https://gitlab.kitware.com/cmake/cmake/-/issues/18959.  in clean_up_stale_cache()
137     let mut f = File::create("link-deps.rs").unwrap();  in list_packages()
139         b"/// Following two arrays are generated by running pkg-config manually. We can  in list_packages()
140 /// also choose to run pkg-config at build time, but it will requires pkg-config  in list_packages()
162             config.cxxflag("-stdlib=libc++");  in build_grpc()
163             println!("cargo:rustc-link-lib=resolv");  in build_grpc()
170             println!("cargo:rustc-link-lib=framework=CoreFoundation");  in build_grpc()
184         // Cross-compile support for iOS  in build_grpc()
186             "aarch64-apple-ios" => {  in build_grpc()
191             "armv7-apple-ios" => {  in build_grpc()
196             "armv7s-apple-ios" => {  in build_grpc()
201             "i386-apple-ios" => {  in build_grpc()
206             "x86_64-apple-ios" => {  in build_grpc()
221         config.define("gRPC_INSTALL", cfg!(feature = "_list-package").to_string());  in build_grpc()
238             if cfg!(feature = "openssl-vendored") {  in build_grpc()
245         if cfg!(feature = "no-omit-frame-pointer") {  in build_grpc()
247                 .cflag("-fno-omit-frame-pointer")  in build_grpc()
248                 .cxxflag("-fno-omit-frame-pointer");  in build_grpc()
250         // Uses zlib from libz-sys.  in build_grpc()
252         if !cfg!(feature = "_list-package") {  in build_grpc()
268                 "cargo:rustc-link-search=native={}",  in build_grpc()
274     if cfg!(feature = "_list-package") {  in build_grpc()
284         println!("cargo:rustc-link-lib=static={l}");  in build_grpc()
288         if cfg!(feature = "openssl") && !cfg!(feature = "openssl-vendored") {  in build_grpc()
291             println!("cargo:rustc-link-lib=static=ssl");  in build_grpc()
292             println!("cargo:rustc-link-lib=static=crypto");  in build_grpc()
323         println!("cargo:rustc-link-search=native={}", libdir);  in figure_systemd_path()
324         println!("cargo:rustc-link-lib={}", libname);  in figure_systemd_path()
339                 "cargo:rustc-link-search=native={}",  in figure_ssl_path()
351     println!("cargo:rustc-link-lib=ssl");  in figure_ssl_path()
352     println!("cargo:rustc-link-lib=crypto");  in figure_ssl_path()
364         "cargo:rustc-link-search=native={}",  in build_boringssl()
372     // cmake script expect libz.a being under ${DEP_Z_ROOT}/lib, but libz-sys crate put it  in setup_libz()
381     println!("cargo:rustc-link-search=native={zlib_root}/build");  in setup_libz()
382     println!("cargo:rustc-link-search=native={zlib_root}/lib");  in setup_libz()
386 fn get_env(name: &str) -> Option<String> {  in get_env()
387     println!("cargo:rerun-if-env-changed={name}");  in get_env()
397 // Generate the bindings to grpc C-core.
398 // Try to disable the generation of platform-related bindings.
400     feature = "_gen-bindings",
410         config = config.clang_arg("-DGRPC_SYS_SECURE");  in bindgen_grpc()
414         config = config.clang_arg("-D _WIN32_WINNT=0x600");  in bindgen_grpc()
439     println!("cargo:rerun-if-env-changed=TEST_BIND");  in bindgen_grpc()
444         .clang_arg("-xc++")  in bindgen_grpc()
445         .clang_arg("-I./grpc/include")  in bindgen_grpc()
446         .clang_arg("-std=c++11")  in bindgen_grpc()
481 // need to be updated by default unless the _gen-bindings feature is specified.
486         "x86_64-unknown-linux-gnu"  in config_binding_path()
487         | "x86_64-unknown-linux-musl"  in config_binding_path()
488         | "aarch64-unknown-linux-musl"  in config_binding_path()
489         | "aarch64-unknown-linux-gnu"  in config_binding_path()
490         | "x86_64-apple-darwin"  in config_binding_path()
491         | "aarch64-apple-darwin" => {  in config_binding_path()
492             // Cargo treats nonexistent files changed, so we only emit the rerun-if-changed  in config_binding_path()
493             // directive when we expect the target-specific pre-generated binding file to be  in config_binding_path()
495             println!("cargo:rerun-if-changed=bindings/bindings.rs");  in config_binding_path()
501         _ => PathBuf::from(env::var("OUT_DIR").unwrap()).join("grpc-bindings.rs"),  in config_binding_path()
505         feature = "_gen-bindings",  in config_binding_path()
525         "cargo:rustc-env=BINDING_PATH={}",  in config_binding_path()
531     println!("cargo:rerun-if-changed=grpc_wrap.cc");  in main()
532     println!("cargo:rerun-if-changed=grpc");  in main()
561         cc.flag("-std=c++11");  in main()