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Handle building on macos a little better

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First, only add the special environment variable when building on Mac OS
X. Second, look for the path to ensure the Xcode command line tools are
installed, and panic if that is not the case.

cargo test passes
This commit is contained in:
Nathan Fiedler
2016-03-22 20:56:09 -07:00
parent 4741780a7a
commit 856a9e7c78
1 changed files with 19 additions and 11 deletions
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30
build.rs
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@ -21,6 +21,7 @@ use std::path::Path;
use std::process::Command;
static HEADER: &'static str = "#include <wand/MagickWand.h>\n";
static LIBPATH: &'static str = "/Library/Developer/CommandLineTools/usr/lib";
fn main() {
//
@ -69,17 +70,24 @@ fn main() {
let mw_ldflags = std::str::from_utf8(&mw_ldflags_output.stdout).unwrap().trim();
let mw_ldflags_arr: Vec<&str> = mw_ldflags.split_whitespace().collect();
// Combine all of that in the invocation of rust-bindgen.
Command::new("./rust-bindgen/target/debug/bindgen")
// always include this even though it only makes sense on Mac to
// work around https://github.com/crabtw/rust-bindgen/issues/89
.env("DYLD_LIBRARY_PATH", "/Library/Developer/CommandLineTools/usr/lib")
.args(&mw_cflags_arr[..])
.arg("-builtins")
.arg("-o")
.arg("src/bindings.rs")
.args(&mw_ldflags_arr[..])
.arg("gen.h")
.status().unwrap();
let mut cmd = &mut Command::new("./rust-bindgen/target/debug/bindgen");
if cfg!(target_os = "macos") {
// Mac requires that the xcode tools are installed so that
// rustc can find the clang.dylib file. See also issue
// https://github.com/crabtw/rust-bindgen/issues/89
let lib_path = Path::new(LIBPATH);
if !lib_path.exists() {
panic!("missing {}, run xcode-select --install", LIBPATH);
}
cmd.env("DYLD_LIBRARY_PATH", LIBPATH);
}
cmd.args(&mw_cflags_arr[..])
.arg("-builtins")
.arg("-o")
.arg("src/bindings.rs")
.args(&mw_ldflags_arr[..])
.arg("gen.h")
.status().unwrap();
// how to get the output of the command...
// let output = Commad::new(...).output().unwrap();
// let out = std::str::from_utf8(&output.stdout).unwrap();