[clang] aae84b8 - Revert "[Driver] Bring back "Clean up Debian multiarch /usr/include/<triplet> madness" and restore i586-linux-gnu"

Nico Weber via cfe-commits cfe-commits at lists.llvm.org
Tue Mar 23 21:23:37 PDT 2021


(Reduced repro:
https://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20210322/362775.html
)

On Tue, Mar 23, 2021 at 11:14 PM Zequan Wu via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

>
> Author: Zequan Wu
> Date: 2021-03-23T20:12:09-07:00
> New Revision: aae84b8e3939e815bbc1e64b3b30c0f10b055be4
>
> URL:
> https://github.com/llvm/llvm-project/commit/aae84b8e3939e815bbc1e64b3b30c0f10b055be4
> DIFF:
> https://github.com/llvm/llvm-project/commit/aae84b8e3939e815bbc1e64b3b30c0f10b055be4.diff
>
> LOG: Revert "[Driver] Bring back "Clean up Debian multiarch
> /usr/include/<triplet> madness" and restore i586-linux-gnu"
>
> This breaks bots in chromium goma building.
>
> This reverts commit 424bf5d8918f6356f1b8e99205c5fc8b4783ca22.
>
> Added:
>
>
> Modified:
>     clang/lib/Driver/ToolChains/Gnu.cpp
>     clang/lib/Driver/ToolChains/Linux.cpp
>
> Removed:
>
>
>
>
> ################################################################################
> diff  --git a/clang/lib/Driver/ToolChains/Gnu.cpp
> b/clang/lib/Driver/ToolChains/Gnu.cpp
> index bf0c3fa679d2..f2106a8c09f3 100644
> --- a/clang/lib/Driver/ToolChains/Gnu.cpp
> +++ b/clang/lib/Driver/ToolChains/Gnu.cpp
> @@ -2109,11 +2109,9 @@ void
> Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
>    static const char *const X32LibDirs[] = {"/libx32"};
>    static const char *const X86LibDirs[] = {"/lib32", "/lib"};
>    static const char *const X86Triples[] = {
> -      "i586-linux-gnu",     "i686-linux-gnu",
> -      "i686-pc-linux-gnu",  "i386-redhat-linux6E",
> -      "i686-redhat-linux",  "i386-redhat-linux",
> -      "i586-suse-linux",    "i686-montavista-linux",
> -      "i686-linux-android", "i386-gnu",
> +      "i686-linux-gnu",        "i686-pc-linux-gnu",
> "i386-redhat-linux6E",
> +      "i686-redhat-linux",     "i386-redhat-linux",  "i586-suse-linux",
> +      "i686-montavista-linux", "i686-linux-android", "i386-gnu",
>    };
>
>    static const char *const M68kLibDirs[] = {"/lib"};
> @@ -3015,6 +3013,8 @@ Generic_GCC::addGCCLibStdCxxIncludePaths(const
> llvm::opt::ArgList &DriverArgs,
>    const Multilib &Multilib = GCCInstallation.getMultilib();
>    const std::string Triple = getMultiarchTriple(
>        getDriver(), GCCInstallation.getTriple(), getDriver().SysRoot);
> +  const std::string TargetMultiarchTriple =
> +      getMultiarchTriple(getDriver(), getTriple(), getDriver().SysRoot);
>    const GCCVersion &Version = GCCInstallation.getVersion();
>
>    // Try /../$triple/include/c++/$version then /../include/c++/$version.
>
> diff  --git a/clang/lib/Driver/ToolChains/Linux.cpp
> b/clang/lib/Driver/ToolChains/Linux.cpp
> index 0df2d3793819..cbfa5152bc8e 100644
> --- a/clang/lib/Driver/ToolChains/Linux.cpp
> +++ b/clang/lib/Driver/ToolChains/Linux.cpp
> @@ -604,11 +604,172 @@ void Linux::AddClangSystemIncludeArgs(const ArgList
> &DriverArgs,
>      return;
>    }
>
> -  // On Android and Debian, add /usr/include/$triple if exists.
> -  std::string MultiarchIncludeDir = getMultiarchTriple(D, getTriple(),
> SysRoot);
> -  if (!MultiarchIncludeDir.empty() &&
> -      D.getVFS().exists(SysRoot + "/usr/include/" + MultiarchIncludeDir))
> -    addExternCSystemInclude(DriverArgs, CC1Args, SysRoot +
> "/usr/include/" + MultiarchIncludeDir);
> +  // Implement generic Debian multiarch support.
> +  const StringRef X86_64MultiarchIncludeDirs[] = {
> +      "/usr/include/x86_64-linux-gnu",
> +
> +      // FIXME: These are older forms of multiarch. It's not clear that
> they're
> +      // in use in any released version of Debian, so we should consider
> +      // removing them.
> +      "/usr/include/i686-linux-gnu/64", "/usr/include/i486-linux-gnu/64"};
> +  const StringRef X86MultiarchIncludeDirs[] = {
> +      "/usr/include/i386-linux-gnu",
> +
> +      // FIXME: These are older forms of multiarch. It's not clear that
> they're
> +      // in use in any released version of Debian, so we should consider
> +      // removing them.
> +      "/usr/include/x86_64-linux-gnu/32", "/usr/include/i686-linux-gnu",
> +      "/usr/include/i486-linux-gnu"};
> +  const StringRef AArch64MultiarchIncludeDirs[] = {
> +      "/usr/include/aarch64-linux-gnu"};
> +  const StringRef ARMMultiarchIncludeDirs[] = {
> +      "/usr/include/arm-linux-gnueabi"};
> +  const StringRef ARMHFMultiarchIncludeDirs[] = {
> +      "/usr/include/arm-linux-gnueabihf"};
> +  const StringRef ARMEBMultiarchIncludeDirs[] = {
> +      "/usr/include/armeb-linux-gnueabi"};
> +  const StringRef ARMEBHFMultiarchIncludeDirs[] = {
> +      "/usr/include/armeb-linux-gnueabihf"};
> +  const StringRef M68kMultiarchIncludeDirs[] =
> {"/usr/include/m68k-linux-gnu"};
> +  const StringRef MIPSMultiarchIncludeDirs[] =
> {"/usr/include/mips-linux-gnu"};
> +  const StringRef MIPSELMultiarchIncludeDirs[] = {
> +      "/usr/include/mipsel-linux-gnu"};
> +  const StringRef MIPS64MultiarchIncludeDirs[] = {
> +      "/usr/include/mips64-linux-gnuabi64"};
> +  const StringRef MIPS64ELMultiarchIncludeDirs[] = {
> +      "/usr/include/mips64el-linux-gnuabi64"};
> +  const StringRef MIPSN32MultiarchIncludeDirs[] = {
> +      "/usr/include/mips64-linux-gnuabin32"};
> +  const StringRef MIPSN32ELMultiarchIncludeDirs[] = {
> +      "/usr/include/mips64el-linux-gnuabin32"};
> +  const StringRef MIPSR6MultiarchIncludeDirs[] = {
> +      "/usr/include/mipsisa32-linux-gnu"};
> +  const StringRef MIPSR6ELMultiarchIncludeDirs[] = {
> +      "/usr/include/mipsisa32r6el-linux-gnu"};
> +  const StringRef MIPS64R6MultiarchIncludeDirs[] = {
> +      "/usr/include/mipsisa64r6-linux-gnuabi64"};
> +  const StringRef MIPS64R6ELMultiarchIncludeDirs[] = {
> +      "/usr/include/mipsisa64r6el-linux-gnuabi64"};
> +  const StringRef MIPSN32R6MultiarchIncludeDirs[] = {
> +      "/usr/include/mipsisa64r6-linux-gnuabin32"};
> +  const StringRef MIPSN32R6ELMultiarchIncludeDirs[] = {
> +      "/usr/include/mipsisa64r6el-linux-gnuabin32"};
> +  const StringRef PPCMultiarchIncludeDirs[] = {
> +      "/usr/include/powerpc-linux-gnu",
> +      "/usr/include/powerpc-linux-gnuspe"};
> +  const StringRef PPCLEMultiarchIncludeDirs[] = {
> +      "/usr/include/powerpcle-linux-gnu"};
> +  const StringRef PPC64MultiarchIncludeDirs[] = {
> +      "/usr/include/powerpc64-linux-gnu"};
> +  const StringRef PPC64LEMultiarchIncludeDirs[] = {
> +      "/usr/include/powerpc64le-linux-gnu"};
> +  const StringRef SparcMultiarchIncludeDirs[] = {
> +      "/usr/include/sparc-linux-gnu"};
> +  const StringRef Sparc64MultiarchIncludeDirs[] = {
> +      "/usr/include/sparc64-linux-gnu"};
> +  const StringRef SYSTEMZMultiarchIncludeDirs[] = {
> +      "/usr/include/s390x-linux-gnu"};
> +  ArrayRef<StringRef> MultiarchIncludeDirs;
> +  switch (getTriple().getArch()) {
> +  case llvm::Triple::x86_64:
> +    MultiarchIncludeDirs = X86_64MultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::x86:
> +    MultiarchIncludeDirs = X86MultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::aarch64:
> +  case llvm::Triple::aarch64_be:
> +    MultiarchIncludeDirs = AArch64MultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::arm:
> +  case llvm::Triple::thumb:
> +    if (getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
> +      MultiarchIncludeDirs = ARMHFMultiarchIncludeDirs;
> +    else
> +      MultiarchIncludeDirs = ARMMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::armeb:
> +  case llvm::Triple::thumbeb:
> +    if (getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
> +      MultiarchIncludeDirs = ARMEBHFMultiarchIncludeDirs;
> +    else
> +      MultiarchIncludeDirs = ARMEBMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::m68k:
> +    MultiarchIncludeDirs = M68kMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::mips:
> +    if (getTriple().getSubArch() == llvm::Triple::MipsSubArch_r6)
> +      MultiarchIncludeDirs = MIPSR6MultiarchIncludeDirs;
> +    else
> +      MultiarchIncludeDirs = MIPSMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::mipsel:
> +    if (getTriple().getSubArch() == llvm::Triple::MipsSubArch_r6)
> +      MultiarchIncludeDirs = MIPSR6ELMultiarchIncludeDirs;
> +    else
> +      MultiarchIncludeDirs = MIPSELMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::mips64:
> +    if (getTriple().getSubArch() == llvm::Triple::MipsSubArch_r6)
> +      if (getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
> +        MultiarchIncludeDirs = MIPSN32R6MultiarchIncludeDirs;
> +      else
> +        MultiarchIncludeDirs = MIPS64R6MultiarchIncludeDirs;
> +    else if (getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
> +      MultiarchIncludeDirs = MIPSN32MultiarchIncludeDirs;
> +    else
> +      MultiarchIncludeDirs = MIPS64MultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::mips64el:
> +    if (getTriple().getSubArch() == llvm::Triple::MipsSubArch_r6)
> +      if (getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
> +        MultiarchIncludeDirs = MIPSN32R6ELMultiarchIncludeDirs;
> +      else
> +        MultiarchIncludeDirs = MIPS64R6ELMultiarchIncludeDirs;
> +    else if (getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
> +      MultiarchIncludeDirs = MIPSN32ELMultiarchIncludeDirs;
> +    else
> +      MultiarchIncludeDirs = MIPS64ELMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::ppc:
> +    MultiarchIncludeDirs = PPCMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::ppcle:
> +    MultiarchIncludeDirs = PPCLEMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::ppc64:
> +    MultiarchIncludeDirs = PPC64MultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::ppc64le:
> +    MultiarchIncludeDirs = PPC64LEMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::sparc:
> +    MultiarchIncludeDirs = SparcMultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::sparcv9:
> +    MultiarchIncludeDirs = Sparc64MultiarchIncludeDirs;
> +    break;
> +  case llvm::Triple::systemz:
> +    MultiarchIncludeDirs = SYSTEMZMultiarchIncludeDirs;
> +    break;
> +  default:
> +    break;
> +  }
> +
> +  const std::string AndroidMultiarchIncludeDir =
> +      std::string("/usr/include/") +
> +      getMultiarchTriple(D, getTriple(), SysRoot);
> +  const StringRef AndroidMultiarchIncludeDirs[] =
> {AndroidMultiarchIncludeDir};
> +  if (getTriple().isAndroid())
> +    MultiarchIncludeDirs = AndroidMultiarchIncludeDirs;
> +
> +  for (StringRef Dir : MultiarchIncludeDirs) {
> +    if (D.getVFS().exists(SysRoot + Dir)) {
> +      addExternCSystemInclude(DriverArgs, CC1Args, SysRoot + Dir);
> +      break;
> +    }
> +  }
>
>    if (getTriple().getOS() == llvm::Triple::RTEMS)
>      return;
>
>
>
> _______________________________________________
> cfe-commits mailing list
> cfe-commits at lists.llvm.org
> https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20210324/c7bf4bb1/attachment.html>


More information about the cfe-commits mailing list