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50 lines
1.4 KiB
50 lines
1.4 KiB
10 years ago
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extern crate "pkg-config" as pkg_config;
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use std::io::process::Command;
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use std::os;
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/// Run a command and ensure a successful result.
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fn run_cmd(cmd: &Command) {
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assert!(cmd.status().unwrap().success(),
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format!("Failed to execute command \"{}\"", cmd))
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}
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fn main() {
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if pkg_config::find_library("liblmdb").is_ok() { return }
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let base_dir = Path::new(os::getenv("CARGO_MANIFEST_DIR").unwrap());
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let lmdb_dir = base_dir.join_many(&["mdb", "libraries", "liblmdb"]);
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let dest_dir = Path::new(os::getenv("OUT_DIR").unwrap());
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let mut cflags = os::getenv("CFLAGS").unwrap_or(String::new());
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let target = os::getenv("TARGET").unwrap();
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if target.contains("i686") {
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cflags.push_str(" -m32");
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} else if target.contains("x86_64") {
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cflags.push_str(" -m64");
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}
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if !target.contains("i686") {
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cflags.push_str(" -fPIC");
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}
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let mut make = Command::new("make");
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make.arg("-C").arg(lmdb_dir.clone());
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let mut make_build = make.clone();
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make_build.arg("liblmdb.a")
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.arg(format!("XCFLAGS={}", cflags));
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let mut make_clean = make.clone();
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make_clean.arg("clean");
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run_cmd(&make_clean);
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run_cmd(&make_build);
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run_cmd(Command::new("cp")
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.arg(lmdb_dir.join("liblmdb.a"))
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.arg(dest_dir.clone()));
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run_cmd(&make_clean);
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println!("cargo:rustc-flags=-L {} -l lmdb:static", dest_dir.display());
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}
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