update portaudio (#190)

* update portaudio

can't use a modern static portaudio via pkg_config because of rust-lang/pkg-config-rs#102

* allow passing extra args to portaudio configure

---------

Co-authored-by: Dan <daniel@foresightanalytics.ca>

rust-portaudio-sys/build.rs

@@ -33,6 +33,7 @@ fn main() {
     println!("cargo:rerun-if-changed=build.rs");
 
     println!("cargo:rerun-if-env-changed=PORTAUDIO_ONLY_STATIC");
+    println!("cargo:rerun-if-env-changed=PORTAUDIO_CONFIGURE_EXTRA_ARGS");
     if env::var("PORTAUDIO_ONLY_STATIC").is_err() {
         // If pkg-config finds a library on the system, we are done
         if pkg_config::Config::new().atleast_version("19").find("portaudio-2.0").is_ok() {
@@ -83,8 +84,8 @@ mod unix_platform {
 
     use super::{err_to_panic, run};
 
-    pub const PORTAUDIO_URL: &'static str = "http://www.portaudio.com/archives/pa_stable_v19_20140130.tgz";
-    pub const PORTAUDIO_TAR: &'static str = "pa_stable_v19_20140130.tgz";
+    pub const PORTAUDIO_URL: &'static str = "https://files.portaudio.com/archives/pa_stable_v190700_20210406.tgz";
+    pub const PORTAUDIO_TAR: &'static str = "pa_stable_v190700_20210406.tgz";
     pub const PORTAUDIO_FOLDER: &'static str = "portaudio";
 
     pub fn download() {
@@ -99,10 +100,15 @@ mod unix_platform {
         err_to_panic(env::set_current_dir(PORTAUDIO_FOLDER));
 
         // run portaudio autoconf
-        run(Command::new("./configure")
+        let mut cmd = Command::new("./configure");
+        cmd
             .args(&["--disable-shared", "--enable-static"]) // Only build static lib
             .args(&["--prefix", out_dir.to_str().unwrap()]) // Install on the outdir
-            .arg("--with-pic")); // Build position-independent code (required by Rust)
+            .arg("--with-pic"); // Build position-independent code (required by Rust)
+        if let Ok(extra_args) = env::var("PORTAUDIO_CONFIGURE_EXTRA_ARGS") {
+            cmd.args(extra_args.split(" "));
+        }
+        run(&mut cmd);
 
         // then make
         run(&mut Command::new("make"));