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01/06: gnu: llvm, clang: Update to 6.0.0.


From: Marius Bakke
Subject: 01/06: gnu: llvm, clang: Update to 6.0.0.
Date: Fri, 6 Apr 2018 14:17:03 -0400 (EDT)

mbakke pushed a commit to branch master
in repository guix.

commit 9bdbabe963e48bcac11c053a38d990873ca48dca
Author: Marius Bakke <address@hidden>
Date:   Sat Mar 31 22:04:44 2018 +0200

    gnu: llvm, clang: Update to 6.0.0.
    
    * gnu/packages/llvm.scm (llvm, clang-runtime, clang): Update to 6.0.0.
    (clang-from-llvm)(patches): Set to empty list.
    [arguments]: Adjust substitutions depending on major version.
    (llvm-3.8, clang-runtime-3.8, clang-3.8): New public variables.
    (clang-3.7, clang-3.6, clang-3.5)(patches): Add 
'clang-3.5-libc-search-path.patch'.
    (clang-3.9.1)(patches): Add 'clang-3.8-libc-search-path.patch'.
    * gnu/packages/patches/clang-6.0-libc-search-path.patch: New file.
    * gnu/packages/patches/clang-libc-search-path.patch: Rename to ...
    * gnu/packages/patches/clang-3.5-libc-search-path.patch: ... this.
    * gnu/local.mk (dist_patch_DATA): Adjust accordingly.
---
 gnu/local.mk                                       |   3 +-
 gnu/packages/llvm.scm                              | 109 ++++++++++++++++-----
 ...path.patch => clang-3.5-libc-search-path.patch} |   0
 .../patches/clang-6.0-libc-search-path.patch       |  67 +++++++++++++
 4 files changed, 151 insertions(+), 28 deletions(-)

diff --git a/gnu/local.mk b/gnu/local.mk
index 1481d07..3d4b05c 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -591,8 +591,9 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/ceph-skip-collect-sys-info-test.patch   \
   %D%/packages/patches/ceph-skip-unittest_blockdev.patch       \
   %D%/packages/patches/chmlib-inttypes.patch                   \
-  %D%/packages/patches/clang-libc-search-path.patch            \
+  %D%/packages/patches/clang-3.5-libc-search-path.patch                \
   %D%/packages/patches/clang-3.8-libc-search-path.patch                \
+  %D%/packages/patches/clang-6.0-libc-search-path.patch                \
   %D%/packages/patches/clang-runtime-asan-build-fixes.patch    \
   %D%/packages/patches/clang-runtime-esan-build-fixes.patch    \
   %D%/packages/patches/classpath-aarch64-support.patch         \
diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 2dddbc4..98592ad 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -5,6 +5,7 @@
 ;;; Copyright © 2016 Dennis Mungai <address@hidden>
 ;;; Copyright © 2016 Ricardo Wurmus <address@hidden>
 ;;; Copyright © 2017 Roel Janssen <address@hidden>
+;;; Copyright © 2018 Marius Bakke <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -40,7 +41,7 @@
 (define-public llvm
   (package
     (name "llvm")
-    (version "3.8.1")
+    (version "6.0.0")
     (source
      (origin
       (method url-fetch)
@@ -48,7 +49,7 @@
                           version "/llvm-" version ".src.tar.xz"))
       (sha256
        (base32
-        "1ybmnid4pw2hxn12ax5qa5kl1ldfns0njg8533y3mzslvd5cx0kf"))))
+        "0224xvfg6h40y5lrbnb9qaq3grmdc5rg00xq03s1wxjfbf8krx8z"))))
     (build-system cmake-build-system)
     (native-inputs
      `(("python" ,python-2) ;bytes->str conversion in clang>=3.7 needs python-2
@@ -131,7 +132,7 @@ compiler.  In LLVM this library is called \"compiler-rt\".")
     (supported-systems (delete "mips64el-linux" %supported-systems))))
 
 (define* (clang-from-llvm llvm clang-runtime hash
-                          #:key (patches '("clang-libc-search-path.patch")))
+                          #:key (patches '()))
   (package
     (name "clang")
     (version (package-version llvm))
@@ -176,22 +177,50 @@ compiler.  In LLVM this library is called 
\"compiler-rt\".")
                    (lambda* (#:key inputs #:allow-other-keys)
                      (let ((libc (assoc-ref inputs "libc"))
                            (compiler-rt (assoc-ref inputs "clang-runtime")))
-                       (substitute* "lib/Driver/Tools.cpp"
-                         ;; Patch the 'getLinuxDynamicLinker' function to that
-                         ;; it uses the right dynamic linker file name.
-                         (("/lib64/ld-linux-x86-64.so.2")
-                          (string-append libc
-                                         ,(glibc-dynamic-linker)))
-
-                         ;; Link to libclang_rt files from clang-runtime.
-                         (("TC\\.getDriver\\(\\)\\.ResourceDir")
-                          (string-append "\"" compiler-rt "\"")))
-
-                       ;; Same for libc's libdir, to allow crt1.o & co. to be
-                       ;; found.
-                       (substitute* "lib/Driver/ToolChains.cpp"
-                         (("@GLIBC_LIBDIR@")
-                          (string-append libc "/lib")))))))))
+                       (case (string->number ,(version-major
+                                               (package-version 
clang-runtime)))
+                         ((6)
+                          ;; Link to libclang_rt files from clang-runtime.
+                          (substitute* "lib/Driver/ToolChain.cpp"
+                            (("getDriver\\(\\)\\.ResourceDir")
+                             (string-append "\"" compiler-rt "\"")))
+
+                          ;; Make "LibDir" refer to <glibc>/lib so that it
+                          ;; uses the right dynamic linker file name.
+                          (substitute* "lib/Driver/ToolChains/Linux.cpp"
+                            (("(^[[:blank:]]+LibDir = ).*" _ declaration)
+                             (string-append declaration "\"" libc "/lib\";\n"))
+
+                            ;; Make sure libc's libdir is on the search path, 
to
+                            ;; allow crt1.o & co. to be found.
+                            (("@GLIBC_LIBDIR@")
+                             (string-append libc "/lib"))))
+                         ((3)
+                          (substitute* "lib/Driver/Tools.cpp"
+                            ;; Patch the 'getLinuxDynamicLinker' function so 
that
+                            ;; it uses the right dynamic linker file name.
+                            (("/lib64/ld-linux-x86-64.so.2")
+                             (string-append libc
+                                            ,(glibc-dynamic-linker))))
+
+                          ;; Link to libclang_rt files from clang-runtime.
+                          ;; This substitution needed slight adjustment in 3.8.
+                          (if (< 3.8 (string->number ,(version-major+minor
+                                                       (package-version
+                                                        clang-runtime))))
+                              (substitute* "lib/Driver/Tools.cpp"
+                                (("TC\\.getDriver\\(\\)\\.ResourceDir")
+                                 (string-append "\"" compiler-rt "\"")))
+                              (substitute* "lib/Driver/ToolChain.cpp"
+                                (("getDriver\\(\\)\\.ResourceDir")
+                                 (string-append "\"" compiler-rt "\""))))
+
+                          ;; Make sure libc's libdir is on the search path, to
+                          ;; allow crt1.o & co. to be found.
+                          (substitute* "lib/Driver/ToolChains.cpp"
+                            (("@GLIBC_LIBDIR@")
+                             (string-append libc "/lib")))))
+                       #t))))))
 
     ;; Clang supports the same environment variables as GCC.
     (native-search-paths
@@ -214,13 +243,12 @@ code analysis tools.")
 (define-public clang-runtime
   (clang-runtime-from-llvm
    llvm
-   "0p0y85c7izndbpg2l816z7z7558axq11d5pwkm4h11sdw7d13w0d"
-   '("clang-runtime-asan-build-fixes.patch")))
+   "16m7rvh3w6vq10iwkjrr1nn293djld3xm62l5zasisaprx117k6h"))
 
 (define-public clang
   (clang-from-llvm llvm clang-runtime
-                   "1prc72xmkgx8wrzmrr337776676nhsp1qd3mw2bvb22bzdnq7lsc"
-                   #:patches '("clang-3.8-libc-search-path.patch")))
+                   "0cnznvfyl3hgbg8gj58pmwf0pvd2sv5k3ccbivy6q6ggv7c6szg0"
+                   #:patches '("clang-6.0-libc-search-path.patch")))
 
 (define-public llvm-3.9.1
   (package (inherit llvm)
@@ -245,7 +273,31 @@ code analysis tools.")
 (define-public clang-3.9.1
   (clang-from-llvm llvm-3.9.1 clang-runtime-3.9.1
                    "0qsyyb40iwifhhlx9a3drf8z6ni6zwyk3bvh0kx2gs6yjsxwxi76"
-                   #:patches '()))
+                   #:patches '("clang-3.8-libc-search-path.patch")))
+
+(define-public llvm-3.8
+  (package (inherit llvm)
+    (name "llvm")
+    (version "3.8.1")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "https://llvm.org/releases/";
+                          version "/llvm-" version ".src.tar.xz"))
+      (sha256
+       (base32
+        "1ybmnid4pw2hxn12ax5qa5kl1ldfns0njg8533y3mzslvd5cx0kf"))))))
+
+(define-public clang-runtime-3.8
+  (clang-runtime-from-llvm
+   llvm-3.8
+   "0p0y85c7izndbpg2l816z7z7558axq11d5pwkm4h11sdw7d13w0d"
+   '("clang-runtime-asan-build-fixes.patch")))
+
+(define-public clang-3.8
+  (clang-from-llvm llvm-3.8 clang-runtime-3.8
+                   "1prc72xmkgx8wrzmrr337776676nhsp1qd3mw2bvb22bzdnq7lsc"
+                   #:patches '("clang-3.8-libc-search-path.patch")))
 
 (define-public llvm-3.7
   (package (inherit llvm)
@@ -267,7 +319,8 @@ code analysis tools.")
 
 (define-public clang-3.7
   (clang-from-llvm llvm-3.7 clang-runtime-3.7
-                   "0x065d0w9b51xvdjxwfzjxng0gzpbx45fgiaxpap45ragi61dqjn"))
+                   "0x065d0w9b51xvdjxwfzjxng0gzpbx45fgiaxpap45ragi61dqjn"
+                   #:patches '("clang-3.5-libc-search-path.patch")))
 
 (define-public llvm-3.6
   (package (inherit llvm)
@@ -289,7 +342,8 @@ code analysis tools.")
 
 (define-public clang-3.6
   (clang-from-llvm llvm-3.6 clang-runtime-3.6
-                   "1wwr8s6lzr324hv4s1k6na4j5zv6n9kdhi14s4kb9b13d93814df"))
+                   "1wwr8s6lzr324hv4s1k6na4j5zv6n9kdhi14s4kb9b13d93814df"
+                   #:patches '("clang-3.5-libc-search-path.patch")))
 
 (define-public llvm-3.5
   (package (inherit llvm)
@@ -313,7 +367,8 @@ code analysis tools.")
 
 (define-public clang-3.5
   (clang-from-llvm llvm-3.5 clang-runtime-3.5
-                   "0846h8vn3zlc00jkmvrmy88gc6ql6014c02l4jv78fpvfigmgssg"))
+                   "0846h8vn3zlc00jkmvrmy88gc6ql6014c02l4jv78fpvfigmgssg"
+                   #:patches '("clang-3.5-libc-search-path.patch")))
 
 (define-public llvm-for-extempore
   (package (inherit llvm-3.7)
diff --git a/gnu/packages/patches/clang-libc-search-path.patch 
b/gnu/packages/patches/clang-3.5-libc-search-path.patch
similarity index 100%
rename from gnu/packages/patches/clang-libc-search-path.patch
rename to gnu/packages/patches/clang-3.5-libc-search-path.patch
diff --git a/gnu/packages/patches/clang-6.0-libc-search-path.patch 
b/gnu/packages/patches/clang-6.0-libc-search-path.patch
new file mode 100644
index 0000000..a62e806
--- /dev/null
+++ b/gnu/packages/patches/clang-6.0-libc-search-path.patch
@@ -0,0 +1,67 @@
+Clang attempts to guess file names based on the OS and distro (yes!),
+but unfortunately, that doesn't work for us.
+
+This patch makes it easy to insert libc's $libdir so that Clang passes the
+correct absolute file name of crt1.o etc. to 'ld'.  It also disables all
+the distro-specific stuff and removes the hard-coded FHS directory names
+to make sure Clang also works on non-GuixSD systems.
+
+--- cfe-6.0.0.src/lib/Driver/ToolChains/Linux.cpp
++++ cfe-6.0.0.src/lib/Driver/ToolChains/Linux.cpp
+@@ -207,7 +207,9 @@
+   PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" +
+                          GCCInstallation.getTriple().str() + "/bin")
+                        .str());
+-
++  // Comment out the distro-specific tweaks so that they don't bite when
++  // using Guix on a foreign distro.
++#if 0
+   Distro Distro(D.getVFS());
+ 
+   if (Distro.IsAlpineLinux()) {
+@@ -255,6 +257,7 @@
+ 
+   if (IsAndroid || Distro.IsOpenSUSE())
+     ExtraOpts.push_back("--enable-new-dtags");
++#endif
+ 
+   // The selection of paths to try here is designed to match the patterns 
which
+   // the GCC driver itself uses, as this is part of the GCC-compatible driver.
+@@ -329,14 +332,12 @@
+     addPathIfExists(D, D.Dir + "/../" + OSLibDir, Paths);
+   }
+ 
+-  addPathIfExists(D, SysRoot + "/lib/" + MultiarchTriple, Paths);
+-  addPathIfExists(D, SysRoot + "/lib/../" + OSLibDir, Paths);
+-  addPathIfExists(D, SysRoot + "/usr/lib/" + MultiarchTriple, Paths);
+-  addPathIfExists(D, SysRoot + "/usr/lib/../" + OSLibDir, Paths);
+-
+   // Try walking via the GCC triple path in case of biarch or multiarch GCC
+   // installations with strange symlinks.
+   if (GCCInstallation.isValid()) {
++    // The following code would end up adding things like
++    // "/usr/lib/x86_64-unknown-linux-gnu/../../lib64" to the search path.
++#if 0
+     addPathIfExists(D,
+                     SysRoot + "/usr/lib/" + GCCInstallation.getTriple().str() 
+
+                         "/../../" + OSLibDir,
+@@ -349,6 +350,7 @@
+                              BiarchSibling.gccSuffix(),
+                       Paths);
+     }
++#endif
+ 
+     // See comments above on the multilib variant for details of why this is
+     // included even from outside the sysroot.
+@@ -373,8 +375,9 @@
+   if (StringRef(D.Dir).startswith(SysRoot))
+     addPathIfExists(D, D.Dir + "/../lib", Paths);
+ 
+-  addPathIfExists(D, SysRoot + "/lib", Paths);
+-  addPathIfExists(D, SysRoot + "/usr/lib", Paths);
++  // Add libc's lib/ directory to the search path, so that crt1.o, crti.o,
++  // and friends can be found.
++  addPathIfExists(D, "@GLIBC_LIBDIR@", Paths);
+ }
+ 
+ bool Linux::HasNativeLLVMSupport() const { return true; }



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