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fix windows build
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Signed-off-by: Jay Lee <BusyJayLee@gmail.com>
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@BusyJay
BusyJay committed Mar 14, 2021
1 parent 83b4730 commit c320d22
Showing 1 changed file with 77 additions and 63 deletions.
140 changes: 77 additions & 63 deletions grpc-sys/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -300,76 +300,90 @@ fn get_env(name: &str) -> Option<String> {
// Try to disable the generation of platform-related bindings.
#[cfg(feature = "use-bindgen")]
fn bindgen_grpc(file_path: &PathBuf) {
// create a config to generate binding file
let mut config = bindgen::Builder::default();
if cfg!(feature = "secure") {
config = config.clang_arg("-DGRPC_SYS_SECURE");
}
fn exec(path: &PathBuf) {
// create a config to generate binding file
let mut config = bindgen::Builder::default();
if cfg!(feature = "secure") {
config = config.clang_arg("-DGRPC_SYS_SECURE");
}

if get_env("CARGO_CFG_TARGET_OS").map_or(false, |s| s == "windows") {
config = config.clang_arg("-D _WIN32_WINNT=0x600");
}
if get_env("CARGO_CFG_TARGET_OS").map_or(false, |s| s == "windows") {
config = config.clang_arg("-D _WIN32_WINNT=0x600");
}

// Search header files with API interface
let mut headers = Vec::new();
for result in WalkDir::new(Path::new("./grpc/include")) {
let dent = result.expect("Error happened when search headers");
if !dent.file_type().is_file() {
continue;
// Search header files with API interface
let mut headers = Vec::new();
for result in WalkDir::new(Path::new("./grpc/include")) {
let dent = result.expect("Error happened when search headers");
if !dent.file_type().is_file() {
continue;
}
let mut file = fs::File::open(dent.path()).expect("couldn't open headers");
let mut buf = String::new();
file.read_to_string(&mut buf)
.expect("Coundn't read header content");
if buf.contains("GRPCAPI") || buf.contains("GPRAPI") {
headers.push(String::from(dent.path().to_str().unwrap()));
}
}
let mut file = fs::File::open(dent.path()).expect("couldn't open headers");
let mut buf = String::new();
file.read_to_string(&mut buf)
.expect("Coundn't read header content");
if buf.contains("GRPCAPI") || buf.contains("GPRAPI") {
headers.push(String::from(dent.path().to_str().unwrap()));

// To control the order of bindings
headers.sort();
for path in headers {
config = config.header(path);
}
}

// To control the order of bindings
headers.sort();
for path in headers {
config = config.header(path);
println!("cargo:rerun-if-env-changed=TEST_BIND");
let gen_tests = env::var("TEST_BIND").map_or(false, |s| s == "1");

let cfg = config
.header("grpc_wrap.cc")
.clang_arg("-xc++")
.clang_arg("-I./grpc/include")
.clang_arg("-std=c++11")
.rustfmt_bindings(true)
.impl_debug(true)
.size_t_is_usize(true)
.disable_header_comment()
.whitelist_function(r"\bgrpc_.*")
.whitelist_function(r"\bgpr_.*")
.whitelist_function(r"\bgrpcwrap_.*")
.whitelist_var(r"\bGRPC_.*")
.whitelist_type(r"\bgrpc_.*")
.whitelist_type(r"\bgpr_.*")
.whitelist_type(r"\bgrpcwrap_.*")
.whitelist_type(r"\bcensus_context.*")
.whitelist_type(r"\bverify_peer_options.*")
.blacklist_type(r"(__)?pthread.*")
.blacklist_function(r"\bgpr_mu_.*")
.blacklist_function(r"\bgpr_cv_.*")
.blacklist_function(r"\bgpr_once_.*")
.blacklist_type(r"gpr_mu")
.blacklist_type(r"gpr_cv")
.blacklist_type(r"gpr_once")
.constified_enum_module(r"grpc_status_code")
.layout_tests(gen_tests)
.default_enum_style(bindgen::EnumVariation::Rust {
non_exhaustive: false,
});
println!("running {}", cfg.command_line_flags().join(" "));
cfg.generate()
.expect("Unable to generate grpc bindings")
.write_to_file(path)
.expect("Couldn't write bindings!");
}

println!("cargo:rerun-if-env-changed=TEST_BIND");
let gen_tests = env::var("TEST_BIND").map_or(false, |s| s == "1");

let cfg = config
.header("grpc_wrap.cc")
.clang_arg("-xc++")
.clang_arg("-I./grpc/include")
.clang_arg("-std=c++11")
.rustfmt_bindings(true)
.impl_debug(true)
.size_t_is_usize(true)
.disable_header_comment()
.whitelist_function(r"\bgrpc_.*")
.whitelist_function(r"\bgpr_.*")
.whitelist_function(r"\bgrpcwrap_.*")
.whitelist_var(r"\bGRPC_.*")
.whitelist_type(r"\bgrpc_.*")
.whitelist_type(r"\bgpr_.*")
.whitelist_type(r"\bgrpcwrap_.*")
.whitelist_type(r"\bcensus_context.*")
.whitelist_type(r"\bverify_peer_options.*")
.blacklist_type(r"(__)?pthread.*")
.blacklist_function(r"\bgpr_mu_.*")
.blacklist_function(r"\bgpr_cv_.*")
.blacklist_function(r"\bgpr_once_.*")
.blacklist_type(r"gpr_mu")
.blacklist_type(r"gpr_cv")
.blacklist_type(r"gpr_once")
.constified_enum_module(r"grpc_status_code")
.layout_tests(gen_tests)
.default_enum_style(bindgen::EnumVariation::Rust {
non_exhaustive: false,
});
println!("running {}", cfg.command_line_flags().join(" "));
cfg.generate()
.expect("Unable to generate grpc bindings")
.write_to_file(file_path)
.expect("Couldn't write bindings!");
// Due to rust-lang/regex#750, spawn a thread with larger stack to
// make it build on Windows.
let path = file_path.to_path_buf();
std::thread::Builder::new()
.stack_size(8 * 1024 * 1024)
.spawn(move || {
exec(&path);
})
.unwrap()
.join()
.unwrap()
}

// Determine if need to update bindings. Supported platforms do not
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