Update cc crate to 1.0.48

This change updates the cc crate to version 1.0.48.

Import subrepo cc/:cc at be9f2c1ae05b336aa3d07a4cbefdc1d88a3d8a91

5 files changed, 37 insertions, 19 deletions

diff --git a/cc/tests/cc_env.rs b/cc/tests/cc_env.rs
index e862fea..43eb689 100644
--- a/cc/tests/cc_env.rs
+++ b/cc/tests/cc_env.rs
@@ -1,12 +1,9 @@
-extern crate cc;
-extern crate tempdir;
-
 use std::env;
 use std::ffi::OsString;
 use std::path::Path;
 
 mod support;
-use support::Test;
+use crate::support::Test;
 
 #[test]
 fn main() {
diff --git a/cc/tests/cflags.rs b/cc/tests/cflags.rs
index df6b0a7..caec6ea 100644
--- a/cc/tests/cflags.rs
+++ b/cc/tests/cflags.rs
@@ -1,10 +1,7 @@
-extern crate cc;
-extern crate tempdir;
-
 mod support;
 
+use crate::support::Test;
 use std::env;
-use support::Test;
 
 /// This test is in its own module because it modifies the environment and would affect other tests
 /// when run in parallel with them.
diff --git a/cc/tests/cxxflags.rs b/cc/tests/cxxflags.rs
index 26426af..c524c7d 100644
--- a/cc/tests/cxxflags.rs
+++ b/cc/tests/cxxflags.rs
@@ -1,10 +1,7 @@
-extern crate cc;
-extern crate tempdir;
-
 mod support;
 
+use crate::support::Test;
 use std::env;
-use support::Test;
 
 /// This test is in its own module because it modifies the environment and would affect other tests
 /// when run in parallel with them.
diff --git a/cc/tests/support/mod.rs b/cc/tests/support/mod.rs
index 7d74719..fe8acde 100644
--- a/cc/tests/support/mod.rs
+++ b/cc/tests/support/mod.rs
@@ -8,7 +8,7 @@ use std::io::prelude::*;
 use std::path::{Path, PathBuf};
 
 use cc;
-use tempdir::TempDir;
+use tempfile::{Builder, TempDir};
 
 pub struct Test {
     pub td: TempDir,
@@ -27,7 +27,7 @@ impl Test {
         if gcc.ends_with("deps") {
             gcc.pop();
         }
-        let td = TempDir::new_in(&gcc, "gcc-test").unwrap();
+        let td = Builder::new().prefix("gcc-test").tempdir_in(&gcc).unwrap();
         gcc.push(format!("gcc-shim{}", env::consts::EXE_SUFFIX));
         Test {
             td: td,
diff --git a/cc/tests/test.rs b/cc/tests/test.rs
index 74eca1e..def11f0 100644
--- a/cc/tests/test.rs
+++ b/cc/tests/test.rs
@@ -1,7 +1,4 @@
-extern crate cc;
-extern crate tempdir;
-
-use support::Test;
+use crate::support::Test;
 
 mod support;
 
@@ -42,10 +39,40 @@ fn gnu_opt_level_s() {
 }
 
 #[test]
-fn gnu_debug() {
+fn gnu_debug_fp_auto() {
     let test = Test::gnu();
     test.gcc().debug(true).file("foo.c").compile("foo");
     test.cmd(0).must_have("-g");
+    test.cmd(0).must_have("-fno-omit-frame-pointer");
+}
+
+#[test]
+fn gnu_debug_fp() {
+    let test = Test::gnu();
+    test.gcc().debug(true).file("foo.c").compile("foo");
+    test.cmd(0).must_have("-g");
+    test.cmd(0).must_have("-fno-omit-frame-pointer");
+}
+
+#[test]
+fn gnu_debug_nofp() {
+    let test = Test::gnu();
+    test.gcc()
+        .debug(true)
+        .force_frame_pointer(false)
+        .file("foo.c")
+        .compile("foo");
+    test.cmd(0).must_have("-g");
+    test.cmd(0).must_not_have("-fno-omit-frame-pointer");
+
+    let test = Test::gnu();
+    test.gcc()
+        .force_frame_pointer(false)
+        .debug(true)
+        .file("foo.c")
+        .compile("foo");
+    test.cmd(0).must_have("-g");
+    test.cmd(0).must_not_have("-fno-omit-frame-pointer");
 }
 
 #[test]