gnu: rustc: Update to 1.16.0. gnu: cargo: Update to 0.17.0.

* gnu/packages/rust.scm (rustc): Update to 1.16.0.
patch-configure: Patch LLVM references.
(cargo): Update to 0.17.0.
[native-inputs]: Update rust-openssl to 0.9.6.
Update rust-libssh2-sys 0.2.5.
Update rust-libz-sys 1.0.13.
Add rust-error-chain 0.7.2.
Add rust-metadeps 1.1.1.
Update rust-openssl-sys 0.9.6.
Update rust-libgit2-sys to 0.6.6.
Add rust-shell-escape 0.1.3.

gnu/packages/rust.scm

@@ -44,7 +44,7 @@
   #:use-module (srfi srfi-26))
 
 ;; Should be one less than the current released version.
-(define %rust-bootstrap-binaries-version "1.14.0")
+(define %rust-bootstrap-binaries-version "1.15.0")
 
 (define %rust-bootstrap-binaries
   (origin
@@ -55,7 +55,7 @@
           "-i686-unknown-linux-gnu.tar.gz"))
     (sha256
      (base32
-      "0h384prpabcl08mxs1bilyb0dbk0knpdylcnz4b84ij4idr7ap4d"))))
+      "0wmkfx8pxmkkw021mrq9s3xhra8f0daqdl6j56pxyn4w39i0rzrw"))))
 
 (define (increment-rust-version rust-version major patch)
   (match (string-split rust-version #\.)
@@ -205,7 +205,7 @@ rustc-bootstrap and cargo-bootstrap packages.")
                     "rustc-" version "-src.tar.gz"))
               (sha256
                (base32
-                "0wvn8m1nfg664b95qrdpfh72q1a6ir09rqkrnlzbkay2r7xf8mgn"))))
+                "1d78jq7mc34n265by68amr9r4nzbiqrilfbwh7gx56ydn4gb6rpr"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("cmake" ,cmake)
@@ -226,7 +226,22 @@ rustc-bootstrap and cargo-bootstrap packages.")
            (lambda _
              (substitute* "configure"
                (("/usr/bin/env") (which "env")) ; Detect target CPU correctly.
-               (("probe_need CFG_CURL curl") "")) ; Avoid curl as a build dependency.
+               (("probe_need CFG_CURL curl") "") ; Avoid curl build dependency.
+               ;; Newer LLVM has a NVPTX (NVIDIA) backend which the Rust
+               ;; Makefiles don't know about, causing a linker failure
+               ;; if we don't intervene.
+               ;; Therefore, we add NVPTX here.
+               ;; See <https://github.com/rust-lang/rust/issues/40698>.
+               ;; For the next release, we will have to use rustbuild.
+               ;; Right now, rustbuild doesn't work yet.
+               (("-DLLVM_TARGETS_TO_BUILD='")
+                "-DLLVM_TARGETS_TO_BUILD='NVPTX;")) ; Make LLVM >= 3.8.1 work.
+             (substitute* "src/tools/compiletest/src/util.rs"
+               (("(\"amd64\", \"x86_64\"),") "(\"amd64\", \"x86_64\"),
+(\"nvptx\", \"nvptx\"),")) ; Make LLVM >= 3.8.1 work.
+             (substitute* "mk/main.mk"
+               (("LLVM_OPTIONAL_COMPONENTS=")
+                "LLVM_OPTIONAL_COMPONENTS=nvptx ")) ; Make LLVM >= 3.8.1 work.
              #t))
          (add-after 'unpack 'set-env
            (lambda _
@@ -263,7 +278,7 @@ rustc-bootstrap and cargo-bootstrap packages.")
                             "--release-channel=stable"
                             "--enable-rpath"
                             "--enable-local-rust"
-                            "--disable-rustbuild" ; use Makefiles
+                            "--disable-rustbuild" ; rustbuild doesn't work yet.
                             "--disable-manage-submodules")))
                ;; Rust uses a custom configure script (no autoconf).
                (zero? (apply system* "./configure" flags)))))
@@ -297,7 +312,7 @@ safety and thread safety guarantees.")
               (file-name (string-append name "-" version ".tar.gz"))
               (sha256
                (base32
-                "194i06y9nql0p93gahh0vm4qwv6c1kpd9rprpf22w5gav9lpcyjz"))))
+                "1y0zy8gk1ly0wh57y78fisk7cdd92qk0x7z664f6l7lzl2krqs7w"))))
     (build-system cargo-build-system)
     (propagated-inputs
      `(("cmake" ,cmake)
@@ -313,10 +328,10 @@ safety and thread safety guarantees.")
      `(("rust-openssl"
         ,(origin
            (method url-fetch)
-           (uri (crate-uri "openssl" "0.9.1"))
+           (uri (crate-uri "openssl" "0.9.6"))
            (sha256
             (base32
-             "1m2mhiar87qnw4gxci286q9g85ljafbc41salbj2hmcgh8aagchy"))))
+             "0g28g692gby6izp9qmnwnyxyhf9b0870yhd500p18j9l69lxl00c"))))
        ("rust-strsim"
         ,(origin
            (method url-fetch)
@@ -411,17 +426,17 @@ safety and thread safety guarantees.")
        ("rust-libssh2-sys"
         ,(origin
            (method url-fetch)
-           (uri (crate-uri "libssh2-sys" "0.2.4"))
+           (uri (crate-uri "libssh2-sys" "0.2.5"))
            (sha256
             (base32
-             "1pmmh0hcx14856wg9bp740yf618qfl2765vhf67sfs5lmf39227d"))))
+             "0d2r36hrh9vc1821r0v4kywv30svpf37d31calwql69fbij3bqci"))))
        ("rust-libz-sys"
         ,(origin
            (method url-fetch)
-           (uri (crate-uri "libz-sys" "1.0.10"))
+           (uri (crate-uri "libz-sys" "1.0.13"))
            (sha256
             (base32
-             "1rl85x045sk5d345hgcahx99plpbdg2a3bx5vjfxig30qah74p4h"))))
+             "034pgvxzgsv37iafgs0lmvd1ifm0bg0zm1xcsn9x71nn8lm93vp5"))))
        ("rust-curl-sys"
         ,(origin
            (method url-fetch)
@@ -429,13 +444,27 @@ safety and thread safety guarantees.")
            (sha256
             (base32
              "0fi8kjz3f8m8vfazycs3ddm0h6j3x78hw78gwbvybx71129192i1"))))
+       ("rust-error-chain"
+        ,(origin
+           (method url-fetch)
+           (uri (crate-uri "error-chain" "0.7.2"))
+           (sha256
+            (base32
+             "03qjh6l2a9fkiyg0428p7q3dcpi47cbmrqf9zmlymkg43v3v731i"))))
+       ("rust-metadeps"
+        ,(origin
+           (method url-fetch)
+           (uri (crate-uri "metadeps" "1.1.1"))
+           (sha256
+            (base32
+             "0l818461bslb7nrs7r1amkqv45n53fcp5sabyqipwx0xxbkzz7w2"))))
        ("rust-openssl-sys"
         ,(origin
            (method url-fetch)
-           (uri (crate-uri "openssl-sys" "0.9.1"))
+           (uri (crate-uri "openssl-sys" "0.9.6"))
            (sha256
             (base32
-             "1sdhgalfm2zdqf144xhdnxdha7ifjgsfbmlrqbx0j9f3mh4gpscm"))))
+             "1hzpyf9z8xg1yn5r9g17bl5j20nifd6s2zp10xh90v7m0sd2yj5i"))))
        ("rust-fs2"
         ,(origin
            (method url-fetch)
@@ -635,10 +664,10 @@ safety and thread safety guarantees.")
        ("rust-libgit2-sys"
         ,(origin
            (method url-fetch)
-           (uri (crate-uri "libgit2-sys" "0.6.5"))
+           (uri (crate-uri "libgit2-sys" "0.6.6"))
            (sha256
             (base32
-             "0yl80n12ih4jh1halpbj3zqlqvw5zxdr6m6xdcvdz67svjy50bjh"))))
+             "074h9q4p60xh6canb0sj4vrc801wqv6p53l9lp0q724bkwzf7967"))))
        ("rust-env_logger"
         ,(origin
            (method url-fetch)
@@ -785,7 +814,14 @@ safety and thread safety guarantees.")
            (uri (crate-uri "num-complex" "0.1.35"))
            (sha256
             (base32
-             "0bzrjfppnnzf9vmkpklhp2dw9sb1lqzydb8r6k83z76i9l2qxizh"))))))
+             "0bzrjfppnnzf9vmkpklhp2dw9sb1lqzydb8r6k83z76i9l2qxizh"))))
+       ("rust-shell-escape"
+        ,(origin
+           (method url-fetch)
+           (uri (crate-uri "shell-escape" "0.1.3"))
+           (sha256
+            (base32
+             "1y2fp2brv639icv4a0fdqs1zhlrxq8qbz27ygfa86ifmh5jcjp6x"))))))
     (arguments
      `(#:cargo ,cargo-bootstrap
        #:tests? #f ; FIXME