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[libc++] Enable compiler-rt when performing a bootstrapping build #167065

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[libc++] Enable compiler-rt when performing a bootstrapping build #167065

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14 changes: 8 additions & 6 deletions libcxx/docs/VendorDocumentation.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -81,12 +81,14 @@ CMake invocation at ``<monorepo>/llvm``:
.. code-block:: bash
$ mkdir build
$ cmake -G Ninja -S llvm -B build -DLLVM_ENABLE_PROJECTS="clang" \ # Configure
-DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" \
-DLLVM_RUNTIME_TARGETS="<target-triple>"
$ ninja -C build runtimes # Build
$ ninja -C build check-runtimes # Test
$ ninja -C build install-runtimes # Install
$ cmake -G Ninja -S llvm -B build \
-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-DLLVM_ENABLE_PROJECTS="clang" \ # Configure
-DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind;compiler-rt" \
-DLLVM_RUNTIME_TARGETS="<target-triple>"
$ ninja -C build runtimes # Build
$ ninja -C build check-runtimes # Test
$ ninja -C build install-runtimes # Install
.. note::
- This type of build is also commonly called a "Runtimes build", but we would like to move
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3 changes: 2 additions & 1 deletion libcxx/utils/ci/run-buildbot
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Expand Up @@ -391,11 +391,12 @@ bootstrapping-build)
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX="${INSTALL_DIR}" \
-DLLVM_ENABLE_PROJECTS="clang;lldb" \
-DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" \
-DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind;compiler-rt" \
-DLLVM_RUNTIME_TARGETS="$(${CXX} --print-target-triple)" \
-DLLVM_HOST_TRIPLE="$(${CXX} --print-target-triple)" \
-DLLVM_TARGETS_TO_BUILD="host" \
-DRUNTIMES_BUILD_ALLOW_DARWIN=ON \
-DCOMPILER_RT_INCLUDE_TESTS=OFF \
-DLLVM_ENABLE_ASSERTIONS=ON \
-DLLVM_LIT_ARGS="-sv --xunit-xml-output test-results.xml --timeout=1500 --time-tests"

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