Update hidapi-sys crate to 0.1.4

This change updates the hidapi-sys crate to version 0.1.4. In this
version the cc crate (the stable and renamed version of the gcc crate)
is used.

Import subrepo hidapi-sys/:hidapi-sys at c01043da72c0cac898660017e4c4115278c14369
Import subrepo cc/:cc at 500c65b03775cecf55bd358e616963bc3222acca

18 files changed, 284 insertions, 0 deletions

diff --git a/cc/cc-test/Cargo.toml b/cc/cc-test/Cargo.toml
new file mode 100644
index 0000000..e83416a
--- /dev/null
+++ b/cc/cc-test/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "cc-test"
+version = "0.1.0"
+authors = ["Alex Crichton <alex@alexcrichton.com>"]
+
+[lib]
+name = "cc_test"
+doctest = false
+test = false
+
+[build-dependencies]
+cc = { path = ".." }
+
+[features]
+parallel = ["cc/parallel"]
diff --git a/cc/cc-test/build.rs b/cc/cc-test/build.rs
new file mode 100644
index 0000000..5a7b178
--- /dev/null
+++ b/cc/cc-test/build.rs
@@ -0,0 +1,94 @@
+extern crate cc;
+
+use std::env;
+use std::fs;
+use std::path::PathBuf;
+
+fn main() {
+    let out = PathBuf::from(env::var_os("OUT_DIR").unwrap());
+    fs::remove_dir_all(&out).unwrap();
+    fs::create_dir(&out).unwrap();
+
+    cc::Build::new()
+        .file("src/foo.c")
+        .flag_if_supported("-Wall")
+        .flag_if_supported("-Wfoo-bar-this-flag-does-not-exist")
+        .define("FOO", None)
+        .define("BAR", "1")
+        .compile("foo");
+
+    cc::Build::new()
+        .file("src/bar1.c")
+        .file("src/bar2.c")
+        .include("src/include")
+        .compile("bar");
+
+    let target = std::env::var("TARGET").unwrap();
+    let file = target.split("-").next().unwrap();
+    let file = format!("src/{}.{}",
+                       file,
+                       if target.contains("msvc") { "asm" } else { "S" });
+    cc::Build::new()
+        .file(file)
+        .compile("asm");
+
+    cc::Build::new()
+        .file("src/baz.cpp")
+        .cpp(true)
+        .compile("baz");
+
+    if target.contains("windows") {
+        cc::Build::new()
+            .file("src/windows.c")
+            .compile("windows");
+    }
+
+    // Test that the `windows_registry` module will set PATH by looking for
+    // nmake which runs vanilla cl, and then also test it after we remove all
+    // the relevant env vars from our own process.
+    if target.contains("msvc") {
+        let out = out.join("tmp");
+        fs::create_dir(&out).unwrap();
+        println!("nmake 1");
+        let status = cc::windows_registry::find(&target, "nmake.exe")
+            .unwrap()
+            .env_remove("MAKEFLAGS")
+            .arg("/fsrc/NMakefile")
+            .env("OUT_DIR", &out)
+            .status()
+            .unwrap();
+        assert!(status.success());
+
+        fs::remove_dir_all(&out).unwrap();
+        fs::create_dir(&out).unwrap();
+
+        env::remove_var("PATH");
+        env::remove_var("VCINSTALLDIR");
+        env::remove_var("INCLUDE");
+        env::remove_var("LIB");
+        println!("nmake 2");
+        let status = cc::windows_registry::find(&target, "nmake.exe")
+            .unwrap()
+            .env_remove("MAKEFLAGS")
+            .arg("/fsrc/NMakefile")
+            .env("OUT_DIR", &out)
+            .status()
+            .unwrap();
+        assert!(status.success());
+        println!("cargo:rustc-link-lib=msvc");
+        println!("cargo:rustc-link-search={}", out.display());
+    }
+
+    // This tests whether we  can build a library but not link it to the main
+    // crate.  The test module will do its own linking.
+    cc::Build::new()
+        .cargo_metadata(false)
+        .file("src/opt_linkage.c")
+        .compile("OptLinkage");
+
+    let out = cc::Build::new()
+        .file("src/expand.c")
+        .expand();
+    let out = String::from_utf8(out).unwrap();
+    assert!(out.contains("hello world"));
+}
diff --git a/cc/cc-test/src/NMakefile b/cc/cc-test/src/NMakefile
new file mode 100644
index 0000000..03c73df
--- /dev/null
+++ b/cc/cc-test/src/NMakefile
@@ -0,0 +1,14 @@
+all: $(OUT_DIR)/msvc.lib $(OUT_DIR)/msvc.exe
+
+$(OUT_DIR)/msvc.lib: $(OUT_DIR)/msvc.o
+	lib -nologo -out:$(OUT_DIR)/msvc.lib $(OUT_DIR)/msvc.o
+	rc -h
+
+$(OUT_DIR)/msvc.o: src/msvc.c
+	$(CC) -nologo -c -Fo:$@ src/msvc.c -MD
+
+$(OUT_DIR)/msvc.exe: $(OUT_DIR)/msvc2.o
+	$(CC) -nologo -Fo:$@ $(OUT_DIR)/msvc2.o
+
+$(OUT_DIR)/msvc2.o: src/msvc.c
+	$(CC) -nologo -c -Fo:$@ src/msvc.c -DMAIN -MD
diff --git a/cc/cc-test/src/bar1.c b/cc/cc-test/src/bar1.c
new file mode 100644
index 0000000..605be33
--- /dev/null
+++ b/cc/cc-test/src/bar1.c
@@ -0,0 +1,7 @@
+#include <stdint.h>
+#include "foo.h"
+
+int32_t bar1() {
+  return 5;
+}
+
diff --git a/cc/cc-test/src/bar2.c b/cc/cc-test/src/bar2.c
new file mode 100644
index 0000000..9be4291
--- /dev/null
+++ b/cc/cc-test/src/bar2.c
@@ -0,0 +1,6 @@
+#include <stdint.h>
+
+int32_t bar2() {
+  return 6;
+}
+
diff --git a/cc/cc-test/src/baz.cpp b/cc/cc-test/src/baz.cpp
new file mode 100644
index 0000000..2d4b959
--- /dev/null
+++ b/cc/cc-test/src/baz.cpp
@@ -0,0 +1,9 @@
+#include <stdint.h>
+
+extern "C" int32_t
+baz() {
+  int *a = new int(8);
+  int b = *a;
+  delete a;
+  return b;
+}
diff --git a/cc/cc-test/src/expand.c b/cc/cc-test/src/expand.c
new file mode 100644
index 0000000..2b492a2
--- /dev/null
+++ b/cc/cc-test/src/expand.c
@@ -0,0 +1,4 @@
+#define HELLO hello
+#define WORLD world
+
+HELLO WORLD
diff --git a/cc/cc-test/src/foo.c b/cc/cc-test/src/foo.c
new file mode 100644
index 0000000..541e62c
--- /dev/null
+++ b/cc/cc-test/src/foo.c
@@ -0,0 +1,9 @@
+#include <stdint.h>
+
+#ifdef FOO
+#if BAR == 1
+int32_t foo() {
+  return 4;
+}
+#endif
+#endif
diff --git a/cc/cc-test/src/i686.S b/cc/cc-test/src/i686.S
new file mode 100644
index 0000000..3ed9e86
--- /dev/null
+++ b/cc/cc-test/src/i686.S
@@ -0,0 +1,9 @@
+.globl asm
+asm:
+    mov $7, %eax
+    ret
+
+.globl _asm
+_asm:
+    mov $7, %eax
+    ret
diff --git a/cc/cc-test/src/i686.asm b/cc/cc-test/src/i686.asm
new file mode 100644
index 0000000..6bf9676
--- /dev/null
+++ b/cc/cc-test/src/i686.asm
@@ -0,0 +1,9 @@
+.586
+.MODEL FLAT, C
+.CODE
+
+asm PROC
+  MOV EAX, 7
+  RET
+asm ENDP
+END
diff --git a/cc/cc-test/src/include/foo.h b/cc/cc-test/src/include/foo.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/cc/cc-test/src/include/foo.h
diff --git a/cc/cc-test/src/lib.rs b/cc/cc-test/src/lib.rs
new file mode 100644
index 0000000..b42ebf7
--- /dev/null
+++ b/cc/cc-test/src/lib.rs
@@ -0,0 +1,16 @@
+extern "C" {
+    pub fn foo() -> i32;
+
+    pub fn bar1() -> i32;
+    pub fn bar2() -> i32;
+
+    pub fn asm() -> i32;
+
+    pub fn baz() -> i32;
+
+    #[cfg(windows)]
+    pub fn windows();
+
+    #[cfg(target_env = "msvc")]
+    pub fn msvc();
+}
diff --git a/cc/cc-test/src/msvc.c b/cc/cc-test/src/msvc.c
new file mode 100644
index 0000000..dbbc494
--- /dev/null
+++ b/cc/cc-test/src/msvc.c
@@ -0,0 +1,7 @@
+#include <windows.h>
+
+void msvc() {}
+
+#ifdef MAIN
+int main() {}
+#endif
diff --git a/cc/cc-test/src/opt_linkage.c b/cc/cc-test/src/opt_linkage.c
new file mode 100644
index 0000000..a74af8c
--- /dev/null
+++ b/cc/cc-test/src/opt_linkage.c
@@ -0,0 +1,5 @@
+#include <stdint.h>
+
+int32_t answer() {
+  return 42;
+}
diff --git a/cc/cc-test/src/windows.c b/cc/cc-test/src/windows.c
new file mode 100644
index 0000000..0896aa0
--- /dev/null
+++ b/cc/cc-test/src/windows.c
@@ -0,0 +1,3 @@
+#include <windows.h>
+
+void windows() {}
diff --git a/cc/cc-test/src/x86_64.S b/cc/cc-test/src/x86_64.S
new file mode 100644
index 0000000..3ed9e86
--- /dev/null
+++ b/cc/cc-test/src/x86_64.S
@@ -0,0 +1,9 @@
+.globl asm
+asm:
+    mov $7, %eax
+    ret
+
+.globl _asm
+_asm:
+    mov $7, %eax
+    ret
diff --git a/cc/cc-test/src/x86_64.asm b/cc/cc-test/src/x86_64.asm
new file mode 100644
index 0000000..1c03101
--- /dev/null
+++ b/cc/cc-test/src/x86_64.asm
@@ -0,0 +1,8 @@
+_TEXT SEGMENT
+
+asm PROC
+  MOV EAX, 7
+  RET
+asm ENDP
+
+END
diff --git a/cc/cc-test/tests/all.rs b/cc/cc-test/tests/all.rs
new file mode 100644
index 0000000..59cb8e4
--- /dev/null
+++ b/cc/cc-test/tests/all.rs
@@ -0,0 +1,60 @@
+extern crate cc_test;
+
+use cc_test::*;
+
+#[link(name = "OptLinkage", kind = "static")]
+extern "C" {
+    fn answer() -> i32;
+}
+
+#[test]
+fn foo_here() {
+    unsafe {
+        assert_eq!(foo(), 4);
+    }
+}
+
+#[test]
+fn bar_here() {
+    unsafe {
+        assert_eq!(bar1(), 5);
+        assert_eq!(bar2(), 6);
+    }
+}
+
+#[test]
+fn asm_here() {
+    unsafe {
+        assert_eq!(asm(), 7);
+    }
+}
+
+#[test]
+fn baz_here() {
+    unsafe {
+        assert_eq!(baz(), 8);
+    }
+}
+
+#[test]
+#[cfg(windows)]
+fn windows_here() {
+    unsafe {
+        windows();
+    }
+}
+
+#[test]
+#[cfg(target_env = "msvc")]
+fn msvc_here() {
+    unsafe {
+        msvc();
+    }
+}
+
+#[test]
+fn opt_linkage() {
+    unsafe {
+        assert_eq!(answer(), 42);
+    }
+}