Sync to upstream SVF: LLVM 21.1.0, drop ubuntu-toolchain-r PPA#78
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Match the upstream SVF/build.sh pin (MajorLLVMVer=21) and remove the ppa:ubuntu-toolchain-r/test add-apt-repository step. Launchpad's PPA infrastructure has been intermittently unreachable from CI runners (HTTP 504 / 2-minute timeout from add-apt-repository), and ubuntu-24.04's default gcc-13 is sufficient for the SVF example build. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
LLVM 21 no longer pulls in <llvm/Support/ManagedStatic.h> transitively
through the SVF / SVF-LLVM headers, so svf-example.cpp:186's call to
llvm::llvm_shutdown() fails to compile:
src/svf-example.cpp:186:9: error: 'llvm_shutdown' is not a member of
'llvm'
The function is still part of LLVM 21's public ABI (still declared in
llvm/Support/ManagedStatic.h, line 116) — just no longer transitively
visible. Add the explicit include.
Verified locally:
- npm install svf-lib (v1.0.2555) + LLVM 21.1.0 prebuilt + Z3
- cmake -B build -S ./ && cmake --build build
- The svf-example.cpp.o object compiles and links successfully.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Match the upstream SVF/build.sh pin (MajorLLVMVer=21) and remove the ppa:ubuntu-toolchain-r/test add-apt-repository step. Launchpad's PPA infrastructure has been intermittently unreachable from CI runners (HTTP 504 / 2-minute timeout from add-apt-repository), and ubuntu-24.04's default gcc-13 is sufficient for the SVF example build.