*: introduce static features (#78)

static features will require building static library from source. Signed-off-by: Jay Lee <[email protected]>
trifectatechfoundation · Jun 7, 2021 · 2158f5a · 2158f5a
1 parent e11f845
commit 2158f5a
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diff --git a/Cargo.toml b/Cargo.toml
@@ -31,3 +31,5 @@ tokio-core = "0.1"
 
 [features]
 tokio = ["tokio-io", "futures"]
+# Enable this feature if you want to have a statically linked bzip2
+static = ["bzip2-sys/static"]
diff --git a/bzip2-sys/Cargo.toml b/bzip2-sys/Cargo.toml
@@ -24,3 +24,7 @@ libc = "0.2"
 [build-dependencies]
 pkg-config = "0.3.9"
 cc = "1.0"
+
+[features]
+# Enable this feature if you want to have a statically linked bzip2
+static = []
diff --git a/bzip2-sys/build.rs b/bzip2-sys/build.rs
@@ -12,7 +12,8 @@ fn main() {
     if target.contains("windows") {
         cfg.define("_WIN32", None);
         cfg.define("BZ_EXPORT", None);
-    } else {
+    } else if !cfg!(feature = "static") {
+        // pkg-config doesn't guarantee static link
         if pkg_config::Config::new()
             .cargo_metadata(true)
             .probe("bzip2")