diff options
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r-- | gnu/packages/patches/clang-3.5-libc-search-path.patch (renamed from gnu/packages/patches/clang-libc-search-path.patch) | 0 | ||||
-rw-r--r-- | gnu/packages/patches/clang-6.0-libc-search-path.patch | 67 |
2 files changed, 67 insertions, 0 deletions
diff --git a/gnu/packages/patches/clang-libc-search-path.patch b/gnu/packages/patches/clang-3.5-libc-search-path.patch index 50e4480239..50e4480239 100644 --- a/gnu/packages/patches/clang-libc-search-path.patch +++ b/gnu/packages/patches/clang-3.5-libc-search-path.patch diff --git a/gnu/packages/patches/clang-6.0-libc-search-path.patch b/gnu/packages/patches/clang-6.0-libc-search-path.patch new file mode 100644 index 0000000000..a62e8063c2 --- /dev/null +++ b/gnu/packages/patches/clang-6.0-libc-search-path.patch @@ -0,0 +1,67 @@ +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-GuixSD systems. + +--- cfe-6.0.0.src/lib/Driver/ToolChains/Linux.cpp ++++ cfe-6.0.0.src/lib/Driver/ToolChains/Linux.cpp +@@ -207,7 +207,9 @@ + PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" + + GCCInstallation.getTriple().str() + "/bin") + .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()); + + if (Distro.IsAlpineLinux()) { +@@ -255,6 +257,7 @@ + + 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. +@@ -329,14 +332,12 @@ + addPathIfExists(D, D.Dir + "/../" + OSLibDir, Paths); + } + +- addPathIfExists(D, SysRoot + "/lib/" + MultiarchTriple, Paths); +- addPathIfExists(D, SysRoot + "/lib/../" + OSLibDir, Paths); +- addPathIfExists(D, SysRoot + "/usr/lib/" + MultiarchTriple, Paths); +- addPathIfExists(D, SysRoot + "/usr/lib/../" + OSLibDir, Paths); +- + // 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, +@@ -349,6 +350,7 @@ + BiarchSibling.gccSuffix(), + Paths); + } ++#endif + + // See comments above on the multilib variant for details of why this is + // included even from outside the sysroot. +@@ -373,8 +375,9 @@ + 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); + } + + bool Linux::HasNativeLLVMSupport() const { return true; } |