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Inform cargo about which env vars we care about

This commit is contained in:
Steven Fackler 2017-07-04 21:24:28 -07:00
parent 279bffccf5
commit 88e277d49e
1 changed files with 5 additions and 0 deletions
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5
openssl-sys/build.rs
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@ -35,10 +35,13 @@ enum Version {
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, 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 = Path::new(&openssl_dir);
let lib_dir = lib_dir.unwrap_or_else(|| openssl_dir.join("lib"));
@ -63,6 +66,7 @@ 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 {
Some(ref v) => v.split(":").collect(),
@ -392,6 +396,7 @@ found. The build is now 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[..]) {
Some("0") => return "dylib",