mirror of
https://git.in.rschanz.org/ryan77627/guix.git
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29a4514a34
* gnu/packages/llvm.scm (%cling-version): Delete variable.
(llvm-cling): Inherit from llvm-15 and update to version 13-20240318-01.
[source]: Update source URL. Remove obsolete snippet. Add patches field.
[outputs]: Delete field.
[arguments]: Likewise.
(clang-cling-runtime): Update to 13-20240318-01. Inherit from
clang-runtime-13. Use llvm-cling source.
[phases]: Use gexps. Add change-directory phase.
(clang-cling): Update to 13-20240318-01. Inherit from
clang-13. Use llvm-cling source.
[arguments]: Use gexps. Add change-directory phase.
(cling): Update to 1.0.
[source]: Update URL.
[phases] {patch-paths}: Adjust patching of the 'getResourceDir' variable.
* gnu/packages/patches/cling-use-shared-library.patch: Rebase patch.
* gnu/packages/patches/clang-cling-13-libc-search-path.patch: New patch.
* gnu/local.mk (dist_patch_DATA): Register it.
Change-Id: I5d1f2c4d36ca226116bc74c2578154f86413f9e9
96 lines
3.5 KiB
Diff
96 lines
3.5 KiB
Diff
Clang attempts to guess file names based on the OS and distro (yes!),
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but unfortunately, that doesn't work for us.
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This patch makes it easy to insert libc's $libdir so that Clang passes the
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correct absolute file name of crt1.o etc. to 'ld'. It also disables all
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the distro-specific stuff and removes the hard-coded FHS directory names
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to make sure Clang also works on foreign distros.
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diff --git a/clang/lib/Driver/Distro.cpp b/clang/lib/Driver/Distro.cpp
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index ee4fe841..f0313bbe 100644
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--- a/clang/lib/Driver/Distro.cpp
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+++ b/clang/lib/Driver/Distro.cpp
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@@ -93,6 +93,10 @@ static Distro::DistroType DetectLsbRelease(llvm::vfs::FileSystem &VFS) {
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}
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static Distro::DistroType DetectDistro(llvm::vfs::FileSystem &VFS) {
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+ // The compiler should always behave the same, even when used via Guix on a
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+ // foreign distro.
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+ return Distro::UnknownDistro;
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+
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Distro::DistroType Version = Distro::UnknownDistro;
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// Newer freedesktop.org's compilant systemd-based systems
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diff --git a/clang/lib/Driver/ToolChains/Cuda.cpp b/clang/lib/Driver/ToolChains/Cuda.cpp
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index d14776c5..88bc3ccd 100644
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--- a/clang/lib/Driver/ToolChains/Cuda.cpp
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+++ b/clang/lib/Driver/ToolChains/Cuda.cpp
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@@ -119,6 +119,9 @@ CudaInstallationDetector::CudaInstallationDetector(
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const Driver &D, const llvm::Triple &HostTriple,
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const llvm::opt::ArgList &Args)
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: D(D) {
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+ // Don't look for CUDA in /usr.
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+ return;
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+
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struct Candidate {
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std::string Path;
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bool StrictChecking;
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diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
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--- a/clang/lib/Driver/ToolChains/Linux.cpp
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+++ b/clang/lib/Driver/ToolChains/Linux.cpp
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@@ -186,6 +186,10 @@
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Generic_GCC::PushPPaths(PPaths);
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+ // Comment out the distro-specific tweaks so that they don't bite when
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+ // using Guix on a foreign distro.
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+#if 0
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+
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Distro Distro(D.getVFS(), Triple);
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if (Distro.IsAlpineLinux() || Triple.isAndroid()) {
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@@ -251,6 +255,7 @@
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if (IsAndroid || Distro.IsOpenSUSE())
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ExtraOpts.push_back("--enable-new-dtags");
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+#endif
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// The selection of paths to try here is designed to match the patterns which
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// the GCC driver itself uses, as this is part of the GCC-compatible driver.
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@@ -264,6 +269,7 @@
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Generic_GCC::AddMultilibPaths(D, SysRoot, OSLibDir, MultiarchTriple, Paths);
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+#if 0
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addPathIfExists(D, SysRoot + "/lib/" + MultiarchTriple, Paths);
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addPathIfExists(D, SysRoot + "/lib/../" + OSLibDir, Paths);
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@@ -295,9 +301,11 @@
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addPathIfExists(D, SysRoot + "/" + OSLibDir + "/" + ABIName, Paths);
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addPathIfExists(D, SysRoot + "/usr/" + OSLibDir + "/" + ABIName, Paths);
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}
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+#endif
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Generic_GCC::AddMultiarchPaths(D, SysRoot, OSLibDir, Paths);
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+#if 0
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// Similar to the logic for GCC above, if we are currently running Clang
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// inside of the requested system root, add its parent library path to those
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// searched.
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@@ -305,9 +313,14 @@
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// directory ('Dir' below) or the ResourceDir.
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if (StringRef(D.Dir).startswith(SysRoot))
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addPathIfExists(D, D.Dir + "/../lib", Paths);
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+#endif
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+
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+ // Add libc's lib/ directory to the search path, so that crt1.o, crti.o,
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+ // and friends can be found.
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+ addPathIfExists(D, "@GLIBC_LIBDIR@", Paths);
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- addPathIfExists(D, SysRoot + "/lib", Paths);
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- addPathIfExists(D, SysRoot + "/usr/lib", Paths);
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+ // Add GCC's lib/ directory so libstdc++.so can be found.
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+ addPathIfExists(D, GCCInstallation.getParentLibPath(), Paths);
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}
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ToolChain::RuntimeLibType Linux::GetDefaultRuntimeLibType() const {
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