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adding clang 20
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‎build/clang/build-20.sh

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#!/usr/bin/bash
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#
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# {{{ CDDL HEADER
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#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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# }}}
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# Copyright 2025 OmniOS Community Edition (OmniOSce) Association.
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. ../../lib/build.sh
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PROG=clang
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PKG=ooce/developer/clang-20
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VER=20.1.0
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SUMMARY="C language family frontend for LLVM"
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DESC="The Clang project provides a language front-end and tooling "
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DESC+="infrastructure for languages in the C language family (C, C++, "
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DESC+="Objective C/C++, OpenCL, CUDA, and RenderScript) for the LLVM project"
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min_rel 151053
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set_arch 64
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set_clangver
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set_builddir llvm-project-$VER.src/$PROG
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SKIP_RTIME_CHECK=1
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NO_SONAME_EXPECTED=1
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MAJVER=${VER%%.*}
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MINVER=${VER%.*}
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set_patchdir patches-$MAJVER
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# Using the = prefix to require the specific matching version of llvm
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BUILD_DEPENDS_IPS="=ooce/developer/llvm-$MAJVER@$VER"
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RUN_DEPENDS_IPS="
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=ooce/developer/llvm-$MAJVER@$MINVER
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developer/gcc$GCCVER
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"
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OPREFIX=$PREFIX
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PREFIX+=/llvm-$MAJVER
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PKGDIFFPATH="${PREFIX#/}/lib/$PROG"
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PKGDIFF_HELPER="
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s:$PKGDIFFPATH/[0-9][0-9.]*:$PKGDIFFPATH/VERSION:
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"
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XFORM_ARGS="
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-DPREFIX=${PREFIX#/}
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-DOPREFIX=${OPREFIX#/}
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-DPROG=$PROG
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-DPKGROOT=llvm-$MAJVER
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-DMEDIATOR=$PROG -DMEDIATOR_VERSION=$MAJVER
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-DVERSION=$MAJVER
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"
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post_install() {
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for a in "${!TRIPLETS[@]}"; do
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cfgfile="$DESTDIR$PREFIX/bin/${TRIPLETS[$a]}.cfg"
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if cross_arch $a; then
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# TODO: globbing only works reliably as long as we just have
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# one cross compiler version per arch.
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crossgccver=`pkg_ver $a/gcc*`
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crossgccver=${crossgccver%%.*}
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cxxinc="$CROSSTOOLS/$a/${TRIPLETS[$a]}/include/c++/$crossgccver"
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$CAT << EOF >| $cfgfile
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--gcc-install-dir=$CROSSTOOLS/$a/lib/gcc/${TRIPLETS[$a]}/$crossgccver
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-fuse-ld=$CROSSTOOLS/$a/bin/ld
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EOF
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else
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$CAT << EOF >| $cfgfile
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--gcc-install-dir=$GCCPATH/lib/gcc/${TRIPLETS[$BUILD_ARCH]}/$DEFAULT_GCC_VER
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EOF
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fi
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done
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}
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CONFIGURE_OPTS[amd64]=
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CONFIGURE_OPTS[amd64_WS]="
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-DCMAKE_BUILD_TYPE=Release
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-DCMAKE_INSTALL_PREFIX=\"$PREFIX\"
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-DCMAKE_C_COMPILER=\"$CC\"
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-DCMAKE_CXX_COMPILER=\"$CXX\"
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-DCMAKE_C_LINK_FLAGS=\"${LDFLAGS[amd64]}\"
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-DCMAKE_CXX_LINK_FLAGS=\"${LDFLAGS[amd64]}\"
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-DCLANG_VENDOR=\"$DISTRO/$RELVER\"
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-DCLANG_DEFAULT_RTLIB=libgcc
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-DCLANG_DEFAULT_CXX_STDLIB=libstdc++
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-DLLVM_DIR=\"$PREFIX/lib/cmake/llvm\"
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-DLLVM_INCLUDE_TESTS=OFF
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"
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LDFLAGS+=" -lm"
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# we want to end up with '$ORIGIN/../lib' as runpath and not with
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# '$PREFIX/lib:$ORIGIN/../lib'; yet we need to find libLLVM during build time
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export LD_LIBRARY_PATH="$PREFIX/lib"
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init
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download_source llvm llvm-project $VER.src
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patch_source
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prep_build cmake+ninja
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build -noctf # C++
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strip_install
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make_package
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clean_up
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# Vim hints
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# vim:ts=4:sw=4:et:fdm=marker

‎build/clang/patches-20/aarch64-target-support.patch

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diff -wpruN --no-dereference '--exclude=*.orig' a~/lib/Basic/Targets.cpp a/lib/Basic/Targets.cpp
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--- a~/lib/Basic/Targets.cpp 1970-01-01 00:00:00
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+++ a/lib/Basic/Targets.cpp 1970-01-01 00:00:00
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@@ -160,6 +160,10 @@ std::unique_ptr<TargetInfo> AllocateTarg
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return std::make_unique<OHOSTargetInfo<AArch64leTargetInfo>>(Triple,
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Opts);
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}
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+
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+ case llvm::Triple::Solaris:
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+ return std::make_unique<SolarisTargetInfo<AArch64leTargetInfo>>(Triple,
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+ Opts);
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case llvm::Triple::NetBSD:
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return std::make_unique<NetBSDTargetInfo<AArch64leTargetInfo>>(Triple,
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Opts);

‎build/clang/patches-20/add-__illumos__-preprocessor-definition.patch

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diff -wpruN --no-dereference '--exclude=*.orig' a~/lib/Basic/Targets/OSTargets.h a/lib/Basic/Targets/OSTargets.h
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--- a~/lib/Basic/Targets/OSTargets.h 1970-01-01 00:00:00
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+++ a/lib/Basic/Targets/OSTargets.h 1970-01-01 00:00:00
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@@ -594,6 +594,7 @@ protected:
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void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
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MacroBuilder &Builder) const override {
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DefineStd(Builder, "sun", Opts);
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+ Builder.defineMacro("__illumos__");
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DefineStd(Builder, "unix", Opts);
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Builder.defineMacro("__svr4__");
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Builder.defineMacro("__SVR4");

‎build/clang/patches-20/add-rpath-for-libstdcxx.patch

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diff -wpruN --no-dereference '--exclude=*.orig' a~/lib/Driver/ToolChain.cpp a/lib/Driver/ToolChain.cpp
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--- a~/lib/Driver/ToolChain.cpp 1970-01-01 00:00:00
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+++ a/lib/Driver/ToolChain.cpp 1970-01-01 00:00:00
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@@ -1280,9 +1280,7 @@ void ToolChain::AddClangCXXStdlibIsystem
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}
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bool ToolChain::ShouldLinkCXXStdlib(const llvm::opt::ArgList &Args) const {
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- return getDriver().CCCIsCXX() &&
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- !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
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- options::OPT_nostdlibxx);
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+ return getDriver().CCCIsCXX() && !Args.hasArg(options::OPT_nostdlibxx);
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}
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void ToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
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diff -wpruN --no-dereference '--exclude=*.orig' a~/lib/Driver/ToolChains/Solaris.cpp a/lib/Driver/ToolChains/Solaris.cpp
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--- a~/lib/Driver/ToolChains/Solaris.cpp 1970-01-01 00:00:00
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+++ a/lib/Driver/ToolChains/Solaris.cpp 1970-01-01 00:00:00
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@@ -206,6 +206,9 @@ void solaris::Linker::ConstructJob(Compi
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bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs);
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AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
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+ if (ToolChain.ShouldLinkCXXStdlib(Args) && !Args.hasArg(options::OPT_r))
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+ ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
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+
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if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
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options::OPT_r)) {
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// Use the static OpenMP runtime with -static-openmp
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@@ -214,8 +217,6 @@ void solaris::Linker::ConstructJob(Compi
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addOpenMPRuntime(C, CmdArgs, ToolChain, Args, StaticOpenMP);
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if (D.CCCIsCXX()) {
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- if (ToolChain.ShouldLinkCXXStdlib(Args))
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- ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
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CmdArgs.push_back("-lm");
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}
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// Silence warnings when linking C code with a C++ '-stdlib' argument.
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@@ -419,3 +420,16 @@ void Solaris::addLibStdCxxIncludePaths(
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TripleStr, Multilib.includeSuffix(), DriverArgs,
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CC1Args);
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}
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+
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+void Solaris::AddCXXStdlibLibArgs(const ArgList &Args,
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+ ArgStringList &CmdArgs) const {
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+ Generic_ELF::AddCXXStdlibLibArgs(Args, CmdArgs);
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+
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+ if (GetCXXStdlibType(Args) != ToolChain::CST_Libstdcxx)
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+ return;
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+
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+ StringRef LibSuffix = getSolarisLibSuffix(getTriple());
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+ std::string MajVer = GCCInstallation.getVersion().MajorStr;
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+ CmdArgs.push_back(Args.MakeArgString(StringRef("-R")
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+ + "/usr/gcc/" + MajVer + "/lib" + LibSuffix));
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+}
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diff -wpruN --no-dereference '--exclude=*.orig' a~/lib/Driver/ToolChains/Solaris.h a/lib/Driver/ToolChains/Solaris.h
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--- a~/lib/Driver/ToolChains/Solaris.h 1970-01-01 00:00:00
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+++ a/lib/Driver/ToolChains/Solaris.h 1970-01-01 00:00:00
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@@ -64,6 +64,9 @@ public:
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addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
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llvm::opt::ArgStringList &CC1Args) const override;
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+ void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
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+ llvm::opt::ArgStringList &CmdArgs) const override;
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+
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SanitizerMask getSupportedSanitizers() const override;
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const char *getDefaultLinker() const override;

‎build/clang/patches-20/default-preprocessor-definition.patch

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$NetBSD: patch-lib_Basic_Targets_OSTargets.h,v 1.4 2019/10/19 13:54:29 adam Exp $
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Sync SunOS default defines with a working reality.
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diff -wpruN --no-dereference '--exclude=*.orig' a~/lib/Basic/Targets/OSTargets.h a/lib/Basic/Targets/OSTargets.h
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--- a~/lib/Basic/Targets/OSTargets.h 1970-01-01 00:00:00
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+++ a/lib/Basic/Targets/OSTargets.h 1970-01-01 00:00:00
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@@ -597,22 +597,15 @@ protected:
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DefineStd(Builder, "unix", Opts);
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Builder.defineMacro("__svr4__");
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Builder.defineMacro("__SVR4");
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- // Solaris headers require _XOPEN_SOURCE to be set to 600 for C99 and
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- // newer, but to 500 for everything else. feature_test.h has a check to
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- // ensure that you are not using C99 with an old version of X/Open or C89
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- // with a new version.
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- if (Opts.C99)
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- Builder.defineMacro("_XOPEN_SOURCE", "600");
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- else
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- Builder.defineMacro("_XOPEN_SOURCE", "500");
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+ // Compatibility with GCC to satisfy <sys/feature_tests.h> requirements.
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if (Opts.CPlusPlus) {
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- Builder.defineMacro("__C99FEATURES__");
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+ Builder.defineMacro("__STDC_VERSION__", "201112L");
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+ Builder.defineMacro("_XOPEN_SOURCE", "600");
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Builder.defineMacro("_FILE_OFFSET_BITS", "64");
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- }
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- // GCC restricts the next two to C++.
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Builder.defineMacro("_LARGEFILE_SOURCE");
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Builder.defineMacro("_LARGEFILE64_SOURCE");
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Builder.defineMacro("__EXTENSIONS__");
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+ }
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if (Opts.POSIXThreads)
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Builder.defineMacro("_REENTRANT");
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if (this->HasFloat128)

‎build/clang/patches-20/no-sanitizer-runtime-lib-linking.patch

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diff -wpruN --no-dereference '--exclude=*.orig' a~/lib/Driver/ToolChains/CommonArgs.cpp a/lib/Driver/ToolChains/CommonArgs.cpp
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--- a~/lib/Driver/ToolChains/CommonArgs.cpp 1970-01-01 00:00:00
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+++ a/lib/Driver/ToolChains/CommonArgs.cpp 1970-01-01 00:00:00
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@@ -1360,6 +1360,9 @@ void tools::addAsNeededOption(const Tool
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void tools::linkSanitizerRuntimeDeps(const ToolChain &TC,
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const llvm::opt::ArgList &Args,
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ArgStringList &CmdArgs) {
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+ if (TC.getTriple().isOSSolaris())
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+ return;
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+
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// Force linking against the system libraries sanitizers depends on
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// (see PR15823 why this is necessary).
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addAsNeededOption(TC, Args, CmdArgs, false);

‎build/clang/patches-20/no-ssp-linking.patch

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@@ -0,0 +1,17 @@
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diff -wpruN --no-dereference '--exclude=*.orig' a~/lib/Driver/ToolChains/Solaris.cpp a/lib/Driver/ToolChains/Solaris.cpp
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--- a~/lib/Driver/ToolChains/Solaris.cpp 1970-01-01 00:00:00
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+++ a/lib/Driver/ToolChains/Solaris.cpp 1970-01-01 00:00:00
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@@ -228,13 +228,6 @@ void solaris::Linker::ConstructJob(Compi
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addFortranRuntimeLibs(getToolChain(), Args, CmdArgs);
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CmdArgs.push_back("-lm");
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}
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- if (Args.hasArg(options::OPT_fstack_protector) ||
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- Args.hasArg(options::OPT_fstack_protector_strong) ||
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- Args.hasArg(options::OPT_fstack_protector_all)) {
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- // Explicitly link ssp libraries, not folded into Solaris libc.
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- CmdArgs.push_back("-lssp_nonshared");
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- CmdArgs.push_back("-lssp");
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- }
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// LLVM support for atomics on 32-bit SPARC V8+ is incomplete, so
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// forcibly link with libatomic as a workaround.
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if (Arch == llvm::Triple::sparc) {

‎build/clang/patches-20/series

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no-ssp-linking.patch
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default-preprocessor-definition.patch
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add-rpath-for-libstdcxx.patch
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no-sanitizer-runtime-lib-linking.patch
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add-__illumos__-preprocessor-definition.patch
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aarch64-target-support.patch

‎build/meta/extra-build-tools.p5m

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@@ -126,3 +126,7 @@ depend fmri=ooce/developer/llvm-19 type=conditional \
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depend fmri=ooce/developer/clang-19 type=conditional \
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predicate=release/[email protected]
128128

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# Added llvm/clang 20 from r151053 onwards
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depend fmri=ooce/developer/llvm-20 type=conditional \
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predicate=release/[email protected]
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‎doc/baseline

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@@ -86,6 +86,7 @@ extra.omnios ooce/developer/clang-15
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extra.omnios ooce/developer/clang-17
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extra.omnios ooce/developer/clang-18
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extra.omnios ooce/developer/clang-19
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extra.omnios ooce/developer/clang-20
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extra.omnios ooce/developer/cmake
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extra.omnios ooce/developer/cscope
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extra.omnios ooce/developer/cunit

‎doc/packages.md

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@@ -59,6 +59,7 @@
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| ooce/developer/clang-17 | 17.0.6 | https://github.com/llvm/llvm-project/releases | [omniosorg](https://github.com/omniosorg)
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| ooce/developer/clang-18 | 18.1.8 | https://github.com/llvm/llvm-project/releases | [omniosorg](https://github.com/omniosorg)
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| ooce/developer/clang-19 | 19.1.7 | https://github.com/llvm/llvm-project/releases | [omniosorg](https://github.com/omniosorg)
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| ooce/developer/clang-20 | 20.1.0 | https://github.com/llvm/llvm-project/releases | [omniosorg](https://github.com/omniosorg)
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| ooce/developer/cmake | 3.31.4 | https://cmake.org/download/ | [omniosorg](https://github.com/omniosorg)
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| ooce/developer/cscope | 15.9 | https://sourceforge.net/projects/cscope/files/cscope/ | [omniosorg](https://github.com/omniosorg)
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| ooce/developer/cunit | 2.1-3 | https://sourceforge.net/projects/cunit/files/CUnit/ | [omniosorg](https://github.com/omniosorg)

‎tools/audit

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@@ -237,6 +237,8 @@ audit()
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*/clang-18:|*/llvm-18:|*/zig-013:) [ $r -lt 151049 ] || ok=0 ;;
238238
# clang/llvm-19 are not published until r151051
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*/clang-19:|*/llvm-19:) [ $r -lt 151051 ] || ok=0 ;;
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# clang/llvm-20 are not published until r151053
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*/clang-20:|*/llvm-20:) [ $r -lt 151053 ] || ok=0 ;;
240242
*) ok=0 ;;
241243
esac
242244
;;

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