WIP: cargo: change libceed feature static to shared

This way no features are activated by default. It has the downside that
if only the shared feature is enabled, it will attempt to statically
link to the system library (which is most likely a shared library).

Author: jedbrown

rust/libceed-sys/Cargo.toml

@@ -25,8 +25,7 @@ include = [
 ]
 
 [features]
-default = ["static"]
-static = []
+shared = []
 system = []
 
 [build-dependencies]

rust/libceed-sys/build.rs

@@ -6,7 +6,7 @@ use std::process::Command;
 
 fn main() {
     let out_dir = PathBuf::from(env("OUT_DIR").unwrap());
-    let statik = env("CARGO_FEATURE_STATIC").is_some();
+    let shared = env("CARGO_FEATURE_SHARED").is_some();
     let system = env("CARGO_FEATURE_SYSTEM").is_some();
 
     let ceed_pc = if system {
@@ -28,7 +28,7 @@ fn main() {
             .arg("FC=") // Don't try to find Fortran (unused library build/install)
             .env("MAKEFLAGS", makeflags)
             .current_dir("c-src");
-        if statik {
+        if !shared {
             make.arg("STATIC=1");
         }
         run(&mut make);
@@ -40,7 +40,7 @@ fn main() {
             .into_owned()
     };
     pkg_config::Config::new()
-        .statik(statik)
+        .statik(!shared)
         .atleast_version("0.12.0")
         .probe(&ceed_pc)
         .unwrap();

rust/libceed/Cargo.toml

@@ -25,8 +25,7 @@ katexit = { version = "0.1.1", optional = true }
 version-sync = "0.9.2"
 
 [features]
-default = ["static"]
-static = ["libceed-sys/static"]
+shared = ["libceed-sys/shared"]
 system = ["libceed-sys/system"]
 
 [package.metadata.docs.rs]