diff options
author | Hilton Chain <hako@ultrarare.space> | 2023-10-23 20:43:53 +0800 |
---|---|---|
committer | Efraim Flashner <efraim@flashner.co.il> | 2023-11-12 08:49:46 +0200 |
commit | 6ccc8e1e1693c50a506d51994eb02135aea00362 (patch) | |
tree | c3b00f4aa9e4adfcd958acb3913672ccfcc377d7 /gnu/packages/patches | |
parent | a15312aa03a9566daee5552c713919ab2a3b36dc (diff) | |
download | guix-6ccc8e1e1693c50a506d51994eb02135aea00362.tar.gz guix-6ccc8e1e1693c50a506d51994eb02135aea00362.zip |
gnu: Add llvm-17.
* gnu/packages/llvm.scm (llvm-17): New variable.
* gnu/packages/patches/clang-17.0-libc-search-path.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
Change-Id: I8cdda0737b1137cf86887fb5b854e71977a88b6b
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r-- | gnu/packages/patches/clang-17.0-libc-search-path.patch | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/gnu/packages/patches/clang-17.0-libc-search-path.patch b/gnu/packages/patches/clang-17.0-libc-search-path.patch new file mode 100644 index 0000000000..dd4d8cb998 --- /dev/null +++ b/gnu/packages/patches/clang-17.0-libc-search-path.patch @@ -0,0 +1,90 @@ +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/clang/lib/Driver/Distro.cpp b/clang/lib/Driver/Distro.cpp +index 6e0087565941..c0a3ba7d7702 100644 +--- a/clang/lib/Driver/Distro.cpp ++++ b/clang/lib/Driver/Distro.cpp +@@ -99,6 +99,10 @@ 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/clang/lib/Driver/ToolChains/Cuda.cpp b/clang/lib/Driver/ToolChains/Cuda.cpp +index 3a577650eb08..ca3373edc127 100644 +--- a/clang/lib/Driver/ToolChains/Cuda.cpp ++++ b/clang/lib/Driver/ToolChains/Cuda.cpp +@@ -128,6 +128,9 @@ 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/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp +index 1ba222bf83b1..28766c5ab792 100644 +--- a/clang/lib/Driver/ToolChains/Linux.cpp ++++ b/clang/lib/Driver/ToolChains/Linux.cpp +@@ -220,6 +220,10 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) + + 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()) { +@@ -280,6 +284,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) + + #ifdef ENABLE_LINKER_BUILD_ID + ExtraOpts.push_back("--build-id"); ++#endif + #endif + + // The selection of paths to try here is designed to match the patterns which +@@ -301,6 +306,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) + } + Generic_GCC::AddMultilibPaths(D, SysRoot, OSLibDir, MultiarchTriple, Paths); + ++#if 0 + addPathIfExists(D, concat(SysRoot, "/lib", MultiarchTriple), Paths); + addPathIfExists(D, concat(SysRoot, "/lib/..", OSLibDir), Paths); + +@@ -329,11 +335,21 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) + addPathIfExists(D, concat(SysRoot, "/", OSLibDir, ABIName), Paths); + addPathIfExists(D, concat(SysRoot, "/usr", OSLibDir, ABIName), Paths); + } ++#endif + + Generic_GCC::AddMultiarchPaths(D, SysRoot, OSLibDir, Paths); + ++#if 0 + addPathIfExists(D, concat(SysRoot, "/lib"), Paths); + addPathIfExists(D, concat(SysRoot, "/usr/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); ++ ++ // Add GCC's lib/ directory so libstdc++.so can be found. ++ addPathIfExists(D, GCCInstallation.getParentLibPath(), Paths); + } + + ToolChain::RuntimeLibType Linux::GetDefaultRuntimeLibType() const { |