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Merge pull request #692 from jessicah/haiku-support 

Allow overriding lib/include dirs when cross-compiling.
This commit is contained in:
Steven Fackler 2017-09-15 20:05:26 -04:00 committed by GitHub
parent a45b614783 0f5e082157
commit 7f96c772ec
1 changed files with 20 additions and 12 deletions
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32
openssl-sys/build.rs
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@ -36,17 +36,27 @@ enum Version {
Libressl,
}
fn env(name: &str) -> Option<OsString> {
let prefix = env::var("TARGET").unwrap().to_uppercase().replace("-", "_");
let prefixed = format!("{}_{}", prefix, name);
println!("cargo:rerun-if-changed={}", prefixed);
if let Some(var) = env::var_os(&prefixed) {
return Some(var);
}
println!("cargo:rerun-if-changed={}", name);
env::var_os(name)
}
fn main() {
let target = env::var("TARGET").unwrap();
println!("cargo:rerun-if-env-changed=OPENSSL_LIB_DIR");
let lib_dir = env::var_os("OPENSSL_LIB_DIR").map(PathBuf::from);
println!("cargo:rerun-if-env-changed=OPENSSL_INCLUDE_DIR");
let include_dir = env::var_os("OPENSSL_INCLUDE_DIR").map(PathBuf::from);
let lib_dir = env("OPENSSL_LIB_DIR").map(PathBuf::from);
let include_dir = env("OPENSSL_INCLUDE_DIR").map(PathBuf::from);
let (lib_dir, include_dir) = if lib_dir.is_none() || include_dir.is_none() {
println!("cargo:rerun-if-env-changed=OPENSSL_DIR");
let openssl_dir = env::var_os("OPENSSL_DIR").unwrap_or_else(|| find_openssl_dir(&target));
let openssl_dir = env("OPENSSL_DIR").unwrap_or_else(|| find_openssl_dir(&target));
let openssl_dir = Path::new(&openssl_dir);
let lib_dir = lib_dir.unwrap_or_else(|| openssl_dir.join("lib"));
let include_dir = include_dir.unwrap_or_else(|| openssl_dir.join("include"));
@ -76,9 +86,8 @@ fn main() {
let version = validate_headers(&[include_dir.clone().into()]);
println!("cargo:rerun-if-env-changed=OPENSSL_LIBS");
let libs_env = env::var("OPENSSL_LIBS").ok();
let libs = match libs_env {
let libs_env = env("OPENSSL_LIBS");
let libs = match libs_env.as_ref().and_then(|s| s.to_str()) {
Some(ref v) => v.split(":").collect(),
None => {
match version {
@ -477,9 +486,8 @@ aborting due to this version mismatch.
/// statically or dynamically.
fn determine_mode(libdir: &Path, libs: &[&str]) -> &'static str {
// First see if a mode was explicitly requested
println!("cargo:rerun-if-env-changed=OPENSSL_STATIC");
let kind = env::var("OPENSSL_STATIC").ok();
match kind.as_ref().map(|s| &s[..]) {
let kind = env("OPENSSL_STATIC");
match kind.as_ref().and_then(|s| s.to_str()).map(|s| &s[..]) {
Some("0") => return "dylib",
Some(_) => return "static",
None => {}