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extern crate gcc;
fn link(name: &str, bundled: bool) {
use std::env::var;
let target = var("TARGET").unwrap();
let target: Vec<_> = target.split('-').collect();
if target.get(2) == Some(&"windows") {
println!("cargo:rustc-link-lib=dylib={}", name);
if bundled && target.get(3) == Some(&"gnu") {
let dir = var("CARGO_MANIFEST_DIR").unwrap();
println!("cargo:rustc-link-search=native={}/{}", dir, target[0]);
}
}
}
fn build_rocksdb() {
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed=rocksdb/");
let mut config = gcc::Config::new();
config.include("rocksdb/include/");
config.include("rocksdb/");
config.include("rocksdb/third-party/gtest-1.7.0/fused-src/");
config.include("snappy/");
config.include(".");
config.define("NDEBUG", Some("1"));
config.define("SNAPPY", Some("1"));
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let mut lib_sources = include_str!("rocksdb_lib_sources.txt")
.split(" ")
.collect::<Vec<&'static str>>();
// We have a pregenerated a version of build_version.cc in the local directory
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lib_sources = lib_sources.iter()
.cloned()
.filter(|file| *file != "util/build_version.cc")
.collect::<Vec<&'static str>>();
if cfg!(target_os = "macos") {
config.define("OS_MACOSX", Some("1"));
config.define("ROCKSDB_PLATFORM_POSIX", Some("1"));
config.define("ROCKSDB_LIB_IO_POSIX", Some("1"));
}
if cfg!(target_os = "linux") {
config.define("OS_LINUX", Some("1"));
config.define("ROCKSDB_PLATFORM_POSIX", Some("1"));
config.define("ROCKSDB_LIB_IO_POSIX", Some("1"));
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// COMMON_FLAGS="$COMMON_FLAGS -fno-builtin-memcmp"
}
if cfg!(target_os = "freebsd") {
config.define("OS_FREEBSD", Some("1"));
config.define("ROCKSDB_PLATFORM_POSIX", Some("1"));
config.define("ROCKSDB_LIB_IO_POSIX", Some("1"));
}
if cfg!(windows) {
link("rpcrt4", false);
config.define("OS_WIN", Some("1"));
// Remove POSIX-specific sources
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lib_sources = lib_sources.iter()
.cloned()
.filter(|file| {
match *file {
"port/port_posix.cc" |
"util/env_posix.cc" |
"util/io_posix.cc" => false,
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_ => true,
}
})
.collect::<Vec<&'static str>>();
// Add Windows-specific sources
lib_sources.push("port/win/port_win.cc");
lib_sources.push("port/win/env_win.cc");
lib_sources.push("port/win/env_default.cc");
lib_sources.push("port/win/win_logger.cc");
lib_sources.push("port/win/io_win.cc");
}
if cfg!(target_env = "msvc") {
config.flag("-EHsc");
} else {
config.flag("-std=c++11");
}
for file in lib_sources {
let file = "rocksdb/".to_string() + file;
config.file(&file);
}
config.file("build_version.cc");
config.cpp(true);
config.compile("librocksdb.a");
}
fn build_snappy() {
let mut config = gcc::Config::new();
config.include("snappy/");
config.include(".");
config.define("NDEBUG", Some("1"));
if cfg!(target_env = "msvc") {
config.flag("-EHsc");
} else {
config.flag("-std=c++11");
}
config.file("snappy/snappy.cc");
config.file("snappy/snappy-sinksource.cc");
config.file("snappy/snappy-c.cc");
config.cpp(true);
config.compile("libsnappy.a");
}
fn main() {
build_rocksdb();
build_snappy();
}