Joe McDonnell created IMPALA-13354:
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Summary: Add mode that builds with Clang
Key: IMPALA-13354
URL: https://issues.apache.org/jira/browse/IMPALA-13354
Project: IMPALA
Issue Type: Task
Components: Infrastructure
Affects Versions: Impala 4.5.0
Reporter: Joe McDonnell
A first possible increment for building the toolchain with Clang would continue
to use libstdc++ from our toolchain GCC. In that world, a patch would need to
do:
# Build clang after building GCC in init-compiler.sh
# Setup CC/CXX to point to clang
# Add --gcc-toolchain to the CFLAGS/CXXFLAGS
# Add variables in init.sh to toggle building with clang and the clang version
(e.g. USE_CLANG and CLANG_VERSION)
# Modify the COMPILER and COMPILER_VERSION so tarballs have distinct names
# Add a way to build modern LLVM from a unified tarball
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