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# Specifically read the following patch list: https://reviews.llvm.org/D109977 -- it looks like the implementation of this diff in LLVM 16.0.6 is incomplete.
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# Specifically read the following patch list: https://reviews.llvm.org/D109977 -- it looks like the implementation of this diff in LLVM 16.0.6 is incomplete.
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# This patch restores a working state (ante D109977).
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# This patch restores a working state (ante D109977).
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test "$(echo "${LLVM_VERSION}"|cut -d . -f 1)" -lt 17 && backup_and_patch_if_necessary "llvm/lib/Support/Path.cpp" "#if 0" \
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test "$(echo "${LLVM_VERSION}"|cut -d . -f 1)" -lt 17 && backup_and_patch_if_necessary "llvm/lib/Support/Path.cpp" "#if 0" \
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        's@std::string getMainExecutable@#if 0\nstd::string getMainExecutable@' \
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        's@std::string getMainExecutable@#if 0\nstd::string getMainExecutable@' \
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        's@TempFile::TempFile\(StringRef Name, int FD\)@#endif\nTempFile::TempFile\(StringRef Name, int FD\)@'
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        's@TempFile::TempFile\(StringRef Name, int FD\)@#endif\nTempFile::TempFile\(StringRef Name, int FD\)@'
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# Clang front-end patches
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if echo "${LLVM_PROJECTS_TO_BUILD}"|tr ';' '\n'|grep -q "clang"; then
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        # patch clang/lib/Frontend/InitPreprocessor.cpp
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        # replace:
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        #         TI.getTargetDefines(LangOpts, Builder);
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        # with:
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        #         TI.getTargetDefines(LangOpts, Builder);
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        #       #ifdef __QNXNTO__
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        #         Builder.defineMacro("__QNXNTO__", "1");
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        #         Builder.defineMacro("__QNX__", "800"); // <-- set to QNX SDK version, without the intermediary dots
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        #       #ifdef __x86_64__
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        #         Builder.defineMacro("__X86_64__", "1");
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        #       #else
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        #         Builder.defineMacro("__AARCH64EL__", "1");
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        #       #endif
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        #         Builder.defineMacro("__LITTLEENDIAN__", "1");
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        #         Builder.defineMacro("__ELF__", "1");
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        #       #endif
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        # RATIONALE: this adds the QNX-specific implicit preprocessor definitions. This is not the orthodox way of doing it. But we're in a hurry.
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        backup_and_patch_if_necessary "clang/lib/Frontend/InitPreprocessor.cpp" __QNXNTO__ \
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                's@TI\.getTargetDefines\(LangOpts, Builder\);@TI\.getTargetDefines\(LangOpts, Builder\);\n#ifdef __QNXNTO__\n  Builder.defineMacro\("__QNXNTO__", "1"\);\n  Builder.defineMacro("__QNX__", "'$(echo "${QNXSDK_VERSION}"|tr -d '.')'");\n#ifdef __x86_64__\n  Builder.defineMacro\("__X86_64__", "1"\);\n#else\n  Builder.defineMacro("__AARCH64EL__", "1");\n#endif\n  Builder.defineMacro\("__LITTLEENDIAN__", "1"\);\n  Builder.defineMacro\("__ELF__", "1"\);\n#endif@'
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fi
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# LLDB patches
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# LLDB patches
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if echo "${LLVM_PROJECTS_TO_BUILD}"|tr ';' '\n'|grep -q "lldb"; then
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if echo "${LLVM_PROJECTS_TO_BUILD}"|tr ';' '\n'|grep -q "lldb"; then
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        # patch lldb/Source/Host/common/Host.cpp if not done yet
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        # patch lldb/Source/Host/common/Host.cpp if not done yet
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    -D CMAKE_CXX_COMPILER_LAUNCHER="ccache" \
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    -D CMAKE_CXX_COMPILER_LAUNCHER="ccache" \
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    -D LLVM_HOST_TRIPLE="${TARGET_TRIPLE}" \
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    -D LLVM_HOST_TRIPLE="${TARGET_TRIPLE}" \
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    -D LLVM_ENABLE_PROJECTS="${LLVM_PROJECTS_TO_BUILD}" \
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    -D LLVM_ENABLE_PROJECTS="${LLVM_PROJECTS_TO_BUILD}" \
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    -D LLVM_ENABLE_RUNTIMES="${LLVM_RUNTIMES_TO_BUILD}" \
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    -D LLVM_ENABLE_RUNTIMES="${LLVM_RUNTIMES_TO_BUILD}" \
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    -D LLVM_TARGETS_TO_BUILD="AArch64;X86" \
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    -D LLVM_TARGETS_TO_BUILD="AArch64;X86" \
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    -D DEFAULT_SYSROOT="../../../../../${QNXSDK_TARGETPATH}/${BUILD_TARGET_ARCH}" \
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    -D CLANG_DEFAULT_LINKER="lld" \
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    -D CLANG_DEFAULT_CXX_STDLIB="libc++" \
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    -D COMPILER_RT_BUILD_SANITIZERS="OFF" \
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    -D COMPILER_RT_BUILD_SANITIZERS="OFF" \
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    -D COMPILER_RT_BUILD_XRAY="OFF" \
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    -D COMPILER_RT_BUILD_XRAY="OFF" \
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    -D COMPILER_RT_BUILD_MEMPROF="OFF" \
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    -D COMPILER_RT_BUILD_MEMPROF="OFF" \
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    -D COMPILER_RT_BUILD_LIBFUZZER="OFF" \
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    -D COMPILER_RT_BUILD_LIBFUZZER="OFF" \
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    -D COMPILER_RT_BUILD_PROFILE="OFF" \
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    -D COMPILER_RT_BUILD_PROFILE="OFF" \