diff options
author | Ricardo Wurmus <rekado@elephly.net> | 2021-12-27 13:13:36 +0100 |
---|---|---|
committer | Ricardo Wurmus <rekado@elephly.net> | 2021-12-27 13:21:05 +0100 |
commit | e7424372119bb2c0b9da90e6948de701c2368e7d (patch) | |
tree | 568b17380207b1649bdd24adf44cc62850afe8c5 /gnu/packages/patches | |
parent | 89afe76a164c53aef66e6f819137bd0c65089fe8 (diff) | |
download | guix-e7424372119bb2c0b9da90e6948de701c2368e7d.tar.gz guix-e7424372119bb2c0b9da90e6948de701c2368e7d.zip |
gnu: Add llvm-13.
* gnu/packages/llvm.scm (llvm-13, clang-runtime-13, clang-13,
clang-toolchain-13): New variables.
(llvm-12): Inherit from llvm-13.
* gnu/packages/patches/clang-13.0-libc-search-path.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r-- | gnu/packages/patches/clang-13.0-libc-search-path.patch | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/gnu/packages/patches/clang-13.0-libc-search-path.patch b/gnu/packages/patches/clang-13.0-libc-search-path.patch new file mode 100644 index 0000000000..77303e636d --- /dev/null +++ b/gnu/packages/patches/clang-13.0-libc-search-path.patch @@ -0,0 +1,96 @@ +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 foreign distros. + +diff --git a/lib/Driver/Distro.cpp b/lib/Driver/Distro.cpp +index ee4fe841..f0313bbe 100644 +--- a/lib/Driver/Distro.cpp ++++ b/lib/Driver/Distro.cpp +@@ -93,6 +93,10 @@ static Distro::DistroType DetectLsbRelease(llvm::vfs::FileSystem &VFS) { + } + + static Distro::DistroType DetectDistro(llvm::vfs::FileSystem &VFS) { ++ // The compiler should always behave the same, even when used via Guix on a ++ // foreign distro. ++ return Distro::UnknownDistro; ++ + Distro::DistroType Version = Distro::UnknownDistro; + + // Newer freedesktop.org's compilant systemd-based systems +diff --git a/lib/Driver/ToolChains/Cuda.cpp b/lib/Driver/ToolChains/Cuda.cpp +index d14776c5..88bc3ccd 100644 +--- a/lib/Driver/ToolChains/Cuda.cpp ++++ b/lib/Driver/ToolChains/Cuda.cpp +@@ -119,6 +119,9 @@ CudaInstallationDetector::CudaInstallationDetector( + const Driver &D, const llvm::Triple &HostTriple, + const llvm::opt::ArgList &Args) + : D(D) { ++ // Don't look for CUDA in /usr. ++ return; ++ + struct Candidate { + std::string Path; + bool StrictChecking; +diff --git a/lib/Driver/ToolChains/Linux.cpp b/lib/Driver/ToolChains/Linux.cpp +--- a/lib/Driver/ToolChains/Linux.cpp ++++ b/lib/Driver/ToolChains/Linux.cpp +@@ -186,6 +186,10 @@ + + Generic_GCC::PushPPaths(PPaths); + ++ // 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()) { +@@ -251,6 +255,7 @@ + + 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. +@@ -264,6 +269,7 @@ + + Generic_GCC::AddMultilibPaths(D, SysRoot, OSLibDir, MultiarchTriple, Paths); + ++#if 0 + addPathIfExists(D, SysRoot + "/lib/" + MultiarchTriple, Paths); + addPathIfExists(D, SysRoot + "/lib/../" + OSLibDir, Paths); + +@@ -295,9 +301,11 @@ + addPathIfExists(D, SysRoot + "/" + OSLibDir + "/" + ABIName, Paths); + addPathIfExists(D, SysRoot + "/usr/" + OSLibDir + "/" + ABIName, Paths); + } ++#endif + + Generic_GCC::AddMultiarchPaths(D, SysRoot, OSLibDir, Paths); + ++#if 0 + // Similar to the logic for GCC above, if we are currently running Clang + // inside of the requested system root, add its parent library path to those + // searched. +@@ -305,9 +313,14 @@ + // directory ('Dir' below) or the ResourceDir. + if (StringRef(D.Dir).startswith(SysRoot)) + addPathIfExists(D, D.Dir + "/../lib", Paths); ++#endif ++ ++ // 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); + +- addPathIfExists(D, SysRoot + "/lib", Paths); +- addPathIfExists(D, SysRoot + "/usr/lib", Paths); ++ // Add GCC's lib/ directory so libstdc++.so can be found. ++ addPathIfExists(D, GCCInstallation.getParentLibPath(), Paths); + } + + ToolChain::RuntimeLibType Linux::GetDefaultRuntimeLibType() const { |