247 lines
6.8 KiB
C++
247 lines
6.8 KiB
C++
#include "ld.h"
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#include "helper.h"
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#include "libgen.h"
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#include "target.h"
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#include "tier0/platform.h"
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#include "tier1/interface.h"
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#include "tier1/utlstring.h"
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class CClangLinker : public ILinker
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{
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public:
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virtual CUtlString Link( LinkProject_t *pProject ) override;
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virtual bool IsLibraryExists( CUtlString szName ) override;
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};
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EXPOSE_INTERFACE(CClangLinker, ILinker, CLANG_LINKER_INTERFACE_NAME);
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CUtlString CClangLinker::Link( LinkProject_t *pProject )
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{
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if (pProject->m_szName == 0)
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{
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Plat_FatalErrorFunc("m_szName must be present\n");
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}
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// Find a name for the file
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CUtlString szFileName;
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unsigned int hash = pProject->GenerateProjectHash();
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switch(pProject->linkType)
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{
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case ELINK_EXECUTABLE:
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if (pProject->m_target.kernel == TARGET_KERNEL_WINDOWS)
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szFileName = CUtlString("%s.exe", pProject->m_szName.GetString());
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else if (pProject->m_target.kernel == TARGET_KERNEL_ANDROID)
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szFileName = CUtlString("lib%s.so", pProject->m_szName.GetString());
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else
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szFileName = CUtlString("%s", pProject->m_szName.GetString());
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break;
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case ELINK_STATIC_LIBRARY:
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szFileName = CUtlString("lib%s.a", pProject->m_szName.GetString());
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break;
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case ELINK_DYNAMIC_LIBRARY:
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if (pProject->m_target.kernel == TARGET_KERNEL_DARWIN)
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szFileName = CUtlString("lib%s.dylib", pProject->m_szName.GetString());
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if (pProject->m_target.kernel == TARGET_KERNEL_LINUX)
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szFileName = CUtlString("lib%s.so", pProject->m_szName.GetString());
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break;
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case ELINK_KERNEL_DRIVER:
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Plat_FatalErrorFunc("TODO: not supported\n");
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break;
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}
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CUtlString szTarget = pProject->m_target.GetTriplet();
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CUtlString szOutputFile = CUtlString("%s/%s/ld/%u_%s/%s",FPC_TEMPORAL_DIRNAME, szTarget.GetString(), hash, pProject->m_szName.GetString(), szFileName.GetString());
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CUtlString szOutputDir = szOutputFile;
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szOutputDir = dirname(szOutputDir);
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filesystem2->MakeDirectory(szOutputDir);
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if (pProject->linkType == ELINK_STATIC_LIBRARY)
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{
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V_printf(" AR %s\n", pProject->m_szName.GetString());
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bool shouldRecompile = false;
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CUtlVector<CUtlString> args;
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for (auto object: pProject->objects)
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{
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if (filesystem2->ShouldRecompile(object.m_szObjectFile,szOutputFile))
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{
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shouldRecompile = true;
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break;
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}
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}
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if (!shouldRecompile)
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goto compiled;
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args = {
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"rcs",
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szOutputFile
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};
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for (auto object: pProject->objects)
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args.AppendTail(object.m_szObjectFile);
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runner->Run("ar", args);
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runner->Wait();
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} else {
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V_printf(" LINK %s\n", pProject->m_szName.GetString());
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bool shouldRecompile = false;
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CUtlVector<CUtlString> args;
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// Check if any of the files have changed
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for (auto object: pProject->objects)
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{
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if (filesystem2->ShouldRecompile(object.m_szObjectFile,szOutputFile))
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{
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shouldRecompile = true;
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break;
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}
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}
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if (!shouldRecompile)
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goto compiled;
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CUtlString szTarget = pProject->m_target.GetTriplet();
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CUtlString szCompiledTarget = szTarget;
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if (pProject->m_target.kernel == TARGET_KERNEL_ANDROID)
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{
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szCompiledTarget = CUtlString("%s%u", szTarget.GetString(), pProject->m_androidmanifest.m_nTargetVersion);
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}
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args = {
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"-o",
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szOutputFile,
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"-target",
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szCompiledTarget,
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};
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// Disable stdlib
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if (pProject->bNoStdLib)
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{
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args.AppendTail("-nostdlib");
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}
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// Sysroots
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if (pProject->m_target.kernel == TARGET_KERNEL_DARWIN)
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{
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args.AppendTail("-isysroot");
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args.AppendTail("/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk");
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// Shouldn't be here
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args.AppendTail("-Wl,-export_dynamic");
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args.AppendTail("-undefined");
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args.AppendTail("dynamic_lookup");
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}
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else if (pProject->m_target.kernel == TARGET_KERNEL_IOS)
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{
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args.AppendTail("-isysroot");
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args.AppendTail("/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk");
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// Shouldn't be here ?
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args.AppendTail("-fembed-bitcode");
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args.AppendTail("-Wl,-rpath,@executable_path");
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args.AppendTail("-Wl,-all_load");
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args.AppendTail("-w");
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args.AppendTail("-miphoneos-version-min=18.0 ");
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}
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else if (pProject->m_target.kernel == TARGET_KERNEL_ANDROID)
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{
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// args.AppendTail(CUtlString("--sysroot=%s/sysroot", pProject->m_target.szSysroot));
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// Shouldn't be here ?
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args.AppendTail("-static-libstdc++");
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}
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else if (pProject->m_target.szSysroot)
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{
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// args.AppendTail(CUtlString("--sysroot=%s", pProject->m_target.szSysroot));
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}
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// Magic for the systems
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if (pProject->m_target.kernel == TARGET_KERNEL_WINDOWS)
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{
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args.AppendTail("-fuse-ld=ld");
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}
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if (pProject->m_target.kernel == TARGET_KERNEL_LINUX || pProject->m_target.kernel == TARGET_KERNEL_ANDROID)
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{
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args.AppendTail("-Wl,--disable-new-dtags");
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args.AppendTail("-Wl,-rpath,$ORIGIN");
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}
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// Dynamic libraries
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// Android can't run executables
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if (pProject->linkType == ELINK_DYNAMIC_LIBRARY || pProject->m_target.kernel == TARGET_KERNEL_ANDROID)
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{
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args.AppendTail("-shared");
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}
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// All the objects
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if (pProject->m_target.kernel == TARGET_KERNEL_WINDOWS || pProject->m_target.kernel == TARGET_KERNEL_LINUX || pProject->m_target.kernel == TARGET_KERNEL_ANDROID)
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args.AppendTail("-Wl,--whole-archive");
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for (auto object: pProject->objects)
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args.AppendTail(object.m_szObjectFile);
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if (pProject->m_target.kernel == TARGET_KERNEL_WINDOWS || pProject->m_target.kernel == TARGET_KERNEL_LINUX || pProject->m_target.kernel == TARGET_KERNEL_ANDROID)
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args.AppendTail("-Wl,--no-whole-archive");
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for (auto object: pProject->libraryObjects)
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args.AppendTail(object);
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// Libraries
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for (auto lib: pProject->libraries)
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{
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args.AppendTail("-l");
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args.AppendTail(lib);
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}
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for (auto lib: pProject->libraryDirectories)
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{
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args.AppendTail("-L");
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args.AppendTail(lib);
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}
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// Apple frameworks
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for (auto &directory: pProject->frameworkDirectories)
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{
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args.AppendTail("-F");
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args.AppendTail(directory);
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}
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for (auto &framework: pProject->frameworks)
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{
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args.AppendTail("-framework");
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args.AppendTail(framework);
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}
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IINISection *pSection = NULL;
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const char *szLinker;
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const char *szSysroot;
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if (!g_pConfig)
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goto use_default_linker;
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pSection = g_pConfig->GetSection(pProject->m_target.GetTriplet());
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if (!pSection)
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goto use_default_linker;
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szSysroot = pSection->GetStringValue("sysroot");
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if (szSysroot)
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{
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args.AppendTail("--sysroot");
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args.AppendTail(szSysroot);
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}
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szLinker = pSection->GetStringValue("CLANG_LINKER_INTERFACE_NAME");
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if (szLinker)
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{
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runner->Run(szLinker, args);
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}
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runner->Wait();
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goto compiled;
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use_default_linker:
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runner->Run("clang++", args);
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runner->Wait();
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}
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compiled:
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return szOutputFile;
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};
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bool CClangLinker::IsLibraryExists( CUtlString szName )
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{
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szName = CUtlString("lib%s.so", szName.GetString());
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void *pLib = Plat_LoadLibrary(szName.GetString());
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if (!pLib)
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return false;
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Plat_UnloadLibrary(pLib);
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return true;
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}
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