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-rw-r--r--gnu/local.mk1
-rw-r--r--gnu/packages/llvm.scm54
-rw-r--r--gnu/packages/patches/clang-10.0-libc-search-path.patch84
3 files changed, 125 insertions, 14 deletions
diff --git a/gnu/local.mk b/gnu/local.mk
index a6e1ed2d37..d42f17f41b 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -805,6 +805,7 @@ dist_patch_DATA = \
%D%/packages/patches/clang-6.0-libc-search-path.patch \
%D%/packages/patches/clang-7.0-libc-search-path.patch \
%D%/packages/patches/clang-9.0-libc-search-path.patch \
+ %D%/packages/patches/clang-10.0-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 7236567a5e..d6c519bcbd 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -1,7 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2016, 2018 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
-;;; Copyright © 2015, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 Dennis Mungai <dmngaie@gmail.com>
;;; Copyright © 2016, 2018, 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2017 Roel Janssen <roel@gnu.org>
@@ -84,17 +84,17 @@ as \"x86_64-linux\"."
(string-append "https://releases.llvm.org/" version "/" component "-"
version ".src.tar.xz")))
-(define-public llvm
+(define-public llvm-10
(package
(name "llvm")
- (version "9.0.1")
+ (version "10.0.0")
(source
(origin
(method url-fetch)
(uri (llvm-download-uri "llvm" version))
(sha256
(base32
- "16hwp3qa54c3a3v7h8nlw0fh5criqh0hlr1skybyk0cz70gyx880"))))
+ "1pwgm6cr0xr5a0hrbqs1zvsvvjvy0yq1y47c96804wcs795s90yz"))))
(build-system cmake-build-system)
(native-inputs
`(("python" ,python-2) ;bytes->str conversion in clang>=3.7 needs python-2
@@ -368,23 +368,49 @@ output), and Binutils.")
("libc-debug" ,glibc "debug")
("libc-static" ,glibc "static")))))
-(define-public clang-runtime
+(define-public clang-runtime-10
+ (clang-runtime-from-llvm
+ llvm-10
+ "0x9c531k6ww21s2mkdwqx1vbdjmx6d4wmfb8gdbj0wqa796sczba"))
+
+(define-public clang-10
+ (clang-from-llvm llvm-10 clang-runtime-10
+ "08fbxa2a0kr3ni35ckppj0kyvlcyaywrhpqwcdrdy0z900mhcnw8"
+ #:patches '("clang-10.0-libc-search-path.patch")))
+
+(define-public clang-toolchain-10
+ (make-clang-toolchain clang-10))
+
+(define-public llvm-9
+ (package
+ (inherit llvm-10)
+ (version "9.0.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (llvm-download-uri "llvm" version))
+ (sha256
+ (base32
+ "16hwp3qa54c3a3v7h8nlw0fh5criqh0hlr1skybyk0cz70gyx880"))))))
+
+(define-public clang-runtime-9
(clang-runtime-from-llvm
- llvm
+ llvm-9
"0xwh79g3zggdabxgnd0bphry75asm1qz7mv3hcqihqwqr6aspgy2"))
-(define-public clang
- (clang-from-llvm llvm clang-runtime
+(define-public clang-9
+ (clang-from-llvm llvm-9 clang-runtime-9
"0ls2h3iv4finqyflyhry21qhc9cm9ga7g1zq21020p065qmm2y2p"
#:patches '("clang-9.0-libc-search-path.patch")))
-(define-public clang-toolchain
- (make-clang-toolchain clang))
+(define-public clang-toolchain-9
+ (make-clang-toolchain clang-9))
-(define-public llvm-9 llvm)
-(define-public clang-runtime-9 clang-runtime)
-(define-public clang-9 clang)
-(define-public clang-toolchain-9 clang-toolchain)
+;; Default LLVM and Clang version.
+(define-public llvm llvm-9)
+(define-public clang-runtime clang-runtime-9)
+(define-public clang clang-9)
+(define-public clang-toolchain clang-toolchain-9)
(define-public llvm-8
(package
diff --git a/gnu/packages/patches/clang-10.0-libc-search-path.patch b/gnu/packages/patches/clang-10.0-libc-search-path.patch
new file mode 100644
index 0000000000..966e40b93c
--- /dev/null
+++ b/gnu/packages/patches/clang-10.0-libc-search-path.patch
@@ -0,0 +1,84 @@
+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-Guix systems.
+
+diff --git a/lib/Driver/ToolChains/Linux.cpp b/lib/Driver/ToolChains/Linux.cpp
+index bff1ab10..79e1477e 100644
+--- a/lib/Driver/ToolChains/Linux.cpp
++++ b/lib/Driver/ToolChains/Linux.cpp
+@@ -240,6 +240,9 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
+ .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(), Triple);
+
+ if (Distro.IsAlpineLinux() || Triple.isAndroid()) {
+@@ -306,6 +309,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
+
+ if (IsAndroid || Distro.IsOpenSUSE())
+ ExtraOpts.push_back("--enable-new-dtags");
++#endif // Guix
+
+ // 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.
+@@ -363,7 +367,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
+ // the cross. Note that GCC does include some of these directories in some
+ // configurations but this seems somewhere between questionable and simply
+ // a bug.
+- if (StringRef(LibPath).startswith(SysRoot)) {
++ if (0) {
+ addPathIfExists(D, LibPath + "/" + MultiarchTriple, Paths);
+ addPathIfExists(D, LibPath + "/../" + OSLibDir, Paths);
+ }
+@@ -382,6 +386,8 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
+ addPathIfExists(D, SysRoot + "/lib/" + MultiarchTriple, Paths);
+ addPathIfExists(D, SysRoot + "/lib/../" + OSLibDir, Paths);
+
++// This requires the commented distro tweaks above.
++#if 0
+ if (IsAndroid) {
+ // Android sysroots contain a library directory for each supported OS
+ // version as well as some unversioned libraries in the usual multiarch
+@@ -410,10 +416,15 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
+ addPathIfExists(D, SysRoot + "/" + OSLibDir + "/" + ABIName, Paths);
+ addPathIfExists(D, SysRoot + "/usr/" + OSLibDir + "/" + ABIName, Paths);
+ }
++#endif
+
+ // 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,
+@@ -426,6 +437,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
+ BiarchSibling.gccSuffix(),
+ Paths);
+ }
++#endif
+
+ // See comments above on the multilib variant for details of why this is
+ // included even from outside the sysroot.
+@@ -450,8 +462,9 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
+ 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);
+ }
+
+ ToolChain::CXXStdlibType Linux::GetDefaultCXXStdlibType() const {
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