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extern crate cc;
extern crate pkg_config;
#[cfg(feature = "bindgen")]
extern crate bindgen;
#[cfg(feature = "bindgen")]
#[path = "bindgen.rs"]
mod generate;
use std::env;
use std::path::PathBuf;
#[cfg(feature = "mdb_idl_logn_8")]
const MDB_IDL_LOGN: u8 = 8;
#[cfg(feature = "mdb_idl_logn_9")]
const MDB_IDL_LOGN: u8 = 9;
#[cfg(feature = "mdb_idl_logn_10")]
const MDB_IDL_LOGN: u8 = 10;
#[cfg(feature = "mdb_idl_logn_11")]
const MDB_IDL_LOGN: u8 = 11;
#[cfg(feature = "mdb_idl_logn_12")]
const MDB_IDL_LOGN: u8 = 12;
#[cfg(feature = "mdb_idl_logn_13")]
const MDB_IDL_LOGN: u8 = 13;
#[cfg(feature = "mdb_idl_logn_14")]
const MDB_IDL_LOGN: u8 = 14;
#[cfg(feature = "mdb_idl_logn_15")]
const MDB_IDL_LOGN: u8 = 15;
#[cfg(not(any(
feature = "mdb_idl_logn_8",
feature = "mdb_idl_logn_9",
feature = "mdb_idl_logn_10",
feature = "mdb_idl_logn_11",
feature = "mdb_idl_logn_12",
feature = "mdb_idl_logn_13",
feature = "mdb_idl_logn_14",
feature = "mdb_idl_logn_15",
)))]
const MDB_IDL_LOGN: u8 = 16;
macro_rules! warn {
($message:expr) => {
println!("cargo:warning={}", $message);
};
}
fn main() {
#[cfg(feature = "bindgen")]
generate::generate();
let mut lmdb = PathBuf::from(&env::var("CARGO_MANIFEST_DIR").unwrap());
lmdb.push("lmdb");
lmdb.push("libraries");
lmdb.push("liblmdb");
if cfg!(feature = "with-fuzzer") && cfg!(feature = "with-fuzzer-no-link") {
warn!("Features `with-fuzzer` and `with-fuzzer-no-link` are mutually exclusive.");
warn!("Building with `-fsanitize=fuzzer`.");
}
if !pkg_config::find_library("liblmdb").is_ok() {
let mut builder = cc::Build::new();
builder
.define("MDB_IDL_LOGN", Some(MDB_IDL_LOGN.to_string().as_str()))
.file(lmdb.join("mdb.c"))
.file(lmdb.join("midl.c"))
// https://github.com/mozilla/lmdb/blob/b7df2cac50fb41e8bd16aab4cc5fd167be9e032a/libraries/liblmdb/Makefile#L23
.flag_if_supported("-Wno-unused-parameter")
.flag_if_supported("-Wbad-function-cast")
.flag_if_supported("-Wuninitialized");
if env::var("CARGO_FEATURE_WITH_ASAN").is_ok() {
builder.flag("-fsanitize=address");
}
if env::var("CARGO_FEATURE_WITH_FUZZER").is_ok() {
builder.flag("-fsanitize=fuzzer");
} else if env::var("CARGO_FEATURE_WITH_FUZZER_NO_LINK").is_ok() {
builder.flag("-fsanitize=fuzzer-no-link");
}
builder.compile("liblmdb.a")
}
}
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