Support mingw-w64 and mingw.org toolchains at any install location.
No more hardcoded paths: clang will use -sysroot as gcc root location if
provided. Otherwise, it will search for gcc on the path. If not found it
will use the driver installed location.
http://reviews.llvm.org/D5268
Patch by Ruben Van Boxem, Martell Malone, Yaron Keren.
Reviewed by Reid Kleckner.
llvm-svn: 241241
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 7c2ceef..a2955db 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -8794,6 +8794,212 @@
CmdArgs);
}
+/// MinGW Tools
+void MinGW::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ claimNoWarnArgs(Args);
+ ArgStringList CmdArgs;
+
+ if (getToolChain().getArch() == llvm::Triple::x86) {
+ CmdArgs.push_back("--32");
+ } else if (getToolChain().getArch() == llvm::Triple::x86_64) {
+ CmdArgs.push_back("--64");
+ }
+
+ Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ for (const auto &II : Inputs)
+ CmdArgs.push_back(II.getFilename());
+
+ const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
+ C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs));
+
+ if (Args.hasArg(options::OPT_gsplit_dwarf))
+ SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output,
+ SplitDebugName(Args, Inputs[0]));
+}
+
+void MinGW::Linker::AddLibGCC(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ if (Args.hasArg(options::OPT_mthreads))
+ CmdArgs.push_back("-lmingwthrd");
+ CmdArgs.push_back("-lmingw32");
+ if (Args.hasArg(options::OPT_shared) ||
+ Args.hasArg(options::OPT_shared_libgcc) ||
+ !Args.hasArg(options::OPT_static_libgcc)) {
+ CmdArgs.push_back("-lgcc_s");
+ CmdArgs.push_back("-lgcc");
+ } else {
+ CmdArgs.push_back("-lgcc");
+ CmdArgs.push_back("-lgcc_eh");
+ }
+ CmdArgs.push_back("-lmoldname");
+ CmdArgs.push_back("-lmingwex");
+ CmdArgs.push_back("-lmsvcrt");
+}
+
+void MinGW::Linker::ConstructJob(Compilation &C, const JobAction &JA,
+ const InputInfo &Output,
+ const InputInfoList &Inputs,
+ const ArgList &Args,
+ const char *LinkingOutput) const {
+ const ToolChain &TC = getToolChain();
+ const Driver &D = TC.getDriver();
+ // const SanitizerArgs &Sanitize = TC.getSanitizerArgs();
+
+ ArgStringList CmdArgs;
+
+ // Silence warning for "clang -g foo.o -o foo"
+ Args.ClaimAllArgs(options::OPT_g_Group);
+ // and "clang -emit-llvm foo.o -o foo"
+ Args.ClaimAllArgs(options::OPT_emit_llvm);
+ // and for "clang -w foo.o -o foo". Other warning options are already
+ // handled somewhere else.
+ Args.ClaimAllArgs(options::OPT_w);
+
+ if (!D.SysRoot.empty())
+ CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
+
+ if (Args.hasArg(options::OPT_s))
+ CmdArgs.push_back("-s");
+
+ CmdArgs.push_back("-m");
+ if (TC.getArch() == llvm::Triple::x86)
+ CmdArgs.push_back("i386pe");
+ if (TC.getArch() == llvm::Triple::x86_64)
+ CmdArgs.push_back("i386pep");
+
+ if (Args.hasArg(options::OPT_mwindows)) {
+ CmdArgs.push_back("--subsystem");
+ CmdArgs.push_back("windows");
+ } else if (Args.hasArg(options::OPT_mconsole)) {
+ CmdArgs.push_back("--subsystem");
+ CmdArgs.push_back("console");
+ }
+
+ if (Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("-Bstatic");
+ else {
+ if (Args.hasArg(options::OPT_mdll))
+ CmdArgs.push_back("--dll");
+ else if (Args.hasArg(options::OPT_shared))
+ CmdArgs.push_back("--shared");
+ CmdArgs.push_back("-Bdynamic");
+ if (Args.hasArg(options::OPT_mdll) || Args.hasArg(options::OPT_shared)) {
+ CmdArgs.push_back("-e");
+ if (TC.getArch() == llvm::Triple::x86)
+ CmdArgs.push_back("_DllMainCRTStartup@12");
+ else
+ CmdArgs.push_back("DllMainCRTStartup");
+ CmdArgs.push_back("--enable-auto-image-base");
+ }
+ }
+
+ CmdArgs.push_back("-o");
+ CmdArgs.push_back(Output.getFilename());
+
+ Args.AddAllArgs(CmdArgs, options::OPT_e);
+ // FIXME: add -N, -n flags
+ Args.AddLastArg(CmdArgs, options::OPT_r);
+ Args.AddLastArg(CmdArgs, options::OPT_s);
+ Args.AddLastArg(CmdArgs, options::OPT_t);
+ Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
+ Args.AddLastArg(CmdArgs, options::OPT_Z_Flag);
+
+ if (!Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nostartfiles)) {
+ if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_mdll)) {
+ CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("dllcrt2.o")));
+ } else {
+ if (Args.hasArg(options::OPT_municode))
+ CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2u.o")));
+ else
+ CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2.o")));
+ }
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("gcrt2.o")));
+ CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtbegin.o")));
+ }
+
+ Args.AddAllArgs(CmdArgs, options::OPT_L);
+ const ToolChain::path_list Paths = TC.getFilePaths();
+ for (const auto &Path : Paths)
+ CmdArgs.push_back(Args.MakeArgString(StringRef("-L") + Path));
+
+ AddLinkerInputs(TC, Inputs, Args, CmdArgs);
+
+ // TODO: Add ASan stuff here
+
+ // TODO: Add profile stuff here
+
+ if (D.CCCIsCXX() && !Args.hasArg(options::OPT_nostdlib) &&
+ !Args.hasArg(options::OPT_nodefaultlibs)) {
+ bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
+ !Args.hasArg(options::OPT_static);
+ if (OnlyLibstdcxxStatic)
+ CmdArgs.push_back("-Bstatic");
+ TC.AddCXXStdlibLibArgs(Args, CmdArgs);
+ if (OnlyLibstdcxxStatic)
+ CmdArgs.push_back("-Bdynamic");
+ }
+
+ if (!Args.hasArg(options::OPT_nostdlib)) {
+ if (!Args.hasArg(options::OPT_nodefaultlibs)) {
+ if (Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("--start-group");
+
+ if (Args.hasArg(options::OPT_fstack_protector) ||
+ Args.hasArg(options::OPT_fstack_protector_strong) ||
+ Args.hasArg(options::OPT_fstack_protector_all)) {
+ CmdArgs.push_back("-lssp_nonshared");
+ CmdArgs.push_back("-lssp");
+ }
+ if (Args.hasArg(options::OPT_fopenmp))
+ CmdArgs.push_back("-lgomp");
+
+ AddLibGCC(Args, CmdArgs);
+
+ if (Args.hasArg(options::OPT_pg))
+ CmdArgs.push_back("-lgmon");
+
+ // FIXME: what to do about pthreads library?
+ // Currently required for OpenMP and posix-threading libgcc,
+ // does not exists in mingw.org.
+ //CmdArgs.push_back("-lpthread");
+
+ // add system libraries
+ if (Args.hasArg(options::OPT_mwindows)) {
+ CmdArgs.push_back("-lgdi32");
+ CmdArgs.push_back("-lcomdlg32");
+ }
+ CmdArgs.push_back("-ladvapi32");
+ CmdArgs.push_back("-lshell32");
+ CmdArgs.push_back("-luser32");
+ CmdArgs.push_back("-lkernel32");
+
+ if (Args.hasArg(options::OPT_static))
+ CmdArgs.push_back("--end-group");
+ else
+ AddLibGCC(Args, CmdArgs);
+ }
+
+ if (!Args.hasArg(options::OPT_nostartfiles)) {
+ // Add crtfastmath.o if available and fast math is enabled.
+ TC.AddFastMathRuntimeIfAvailable(Args, CmdArgs);
+
+ CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtend.o")));
+ }
+ }
+ const char *Exec = Args.MakeArgString(TC.GetProgramPath("ld"));
+ C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs));
+}
+
/// XCore Tools
// We pass assemble and link construction to the xcc tool.