diff options
Diffstat (limited to 'gnu/packages/patches/clang-10.0-libc-search-path.patch')
-rw-r--r-- | gnu/packages/patches/clang-10.0-libc-search-path.patch | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/gnu/packages/patches/clang-10.0-libc-search-path.patch b/gnu/packages/patches/clang-10.0-libc-search-path.patch deleted file mode 100644 index c2854e3f33..0000000000 --- a/gnu/packages/patches/clang-10.0-libc-search-path.patch +++ /dev/null @@ -1,93 +0,0 @@ -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 06707fef..f3bd43de 100644 ---- a/lib/Driver/Distro.cpp -+++ b/lib/Driver/Distro.cpp -@@ -20,6 +20,10 @@ using namespace clang; - - static Distro::DistroType DetectDistro(llvm::vfs::FileSystem &VFS, - const llvm::Triple &TargetOrHost) { -+ // The compiler should always behave the same, even when used via Guix on a -+ // foreign distro. -+ return Distro::UnknownDistro; -+ - // If we don't target Linux, no need to check the distro. This saves a few - // OS calls. - if (!TargetOrHost.isOSLinux()) -diff --git a/lib/Driver/ToolChains/Cuda.cpp b/lib/Driver/ToolChains/Cuda.cpp -index 50d22a2a..4ab93e0a 100644 ---- a/lib/Driver/ToolChains/Cuda.cpp -+++ b/lib/Driver/ToolChains/Cuda.cpp -@@ -60,6 +60,9 @@ 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 -index bff1ab10..e996d3b8 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 - - // 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. -@@ -369,6 +373,7 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) - } - } - -+#if 0 - // Similar to the logic for GCC above, if we currently running Clang inside - // of the requested system root, add its parent library paths to - // those searched. -@@ -414,6 +419,8 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) - // 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. - addPathIfExists(D, - SysRoot + "/usr/lib/" + GCCInstallation.getTriple().str() + - "/../../" + OSLibDir, -@@ -449,9 +456,14 @@ Linux::Linux(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) - // 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::CXXStdlibType Linux::GetDefaultCXXStdlibType() const { |