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50 lines
1.5 KiB
50 lines
1.5 KiB
extern crate pkg_config;
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extern crate cc;
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use std::env;
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use std::path::PathBuf;
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#[cfg(feature = "mdb_idl_logn_8")]
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const MDB_IDL_LOGN: u8 = 8;
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#[cfg(feature = "mdb_idl_logn_9")]
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const MDB_IDL_LOGN: u8 = 9;
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#[cfg(feature = "mdb_idl_logn_10")]
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const MDB_IDL_LOGN: u8 = 10;
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#[cfg(feature = "mdb_idl_logn_11")]
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const MDB_IDL_LOGN: u8 = 11;
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#[cfg(feature = "mdb_idl_logn_12")]
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const MDB_IDL_LOGN: u8 = 12;
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#[cfg(feature = "mdb_idl_logn_13")]
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const MDB_IDL_LOGN: u8 = 13;
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#[cfg(feature = "mdb_idl_logn_14")]
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const MDB_IDL_LOGN: u8 = 14;
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#[cfg(feature = "mdb_idl_logn_15")]
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const MDB_IDL_LOGN: u8 = 15;
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#[cfg(not(any(
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feature = "mdb_idl_logn_8",
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feature = "mdb_idl_logn_9",
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feature = "mdb_idl_logn_10",
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feature = "mdb_idl_logn_11",
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feature = "mdb_idl_logn_12",
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feature = "mdb_idl_logn_13",
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feature = "mdb_idl_logn_14",
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feature = "mdb_idl_logn_15",
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)))]
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const MDB_IDL_LOGN: u8 = 16;
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fn main() {
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let mut lmdb: PathBuf = PathBuf::from(&env::var("CARGO_MANIFEST_DIR").unwrap());
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lmdb.push("lmdb");
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lmdb.push("libraries");
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lmdb.push("liblmdb");
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if !pkg_config::find_library("liblmdb").is_ok() {
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cc::Build::new()
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.define("MDB_IDL_LOGN", Some(MDB_IDL_LOGN.to_string().as_str()))
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.file(lmdb.join("mdb.c"))
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.file(lmdb.join("midl.c"))
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// https://github.com/LMDB/lmdb/blob/LMDB_0.9.21/libraries/liblmdb/Makefile#L25
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.opt_level(2)
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.compile("liblmdb.a")
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}
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}
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