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authorMichal Gorny <mgorny@gentoo.org>2018-08-08 20:45:03 +0000
committerMichal Gorny <mgorny@gentoo.org>2018-08-08 20:45:03 +0000
commitc4ede8f8af27e328c9d4dcbe5f8c9a07b4653d4b (patch)
treee0f0f1cadd8439dc76e5d20d9ce07af3e14cd79a /clang/lib/Frontend/CompilerInvocation.cpp
parent24cb754b70b1e917db54d35007168c57a0bdd08e (diff)
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[cmake] Append LLVM_VERSION_SUFFIX to SOVERSION
Append LLVM_VERSION_SUFFIX to SOVERSION. This makes it possible to use the suffix to differentiate binary-incompatible versions of LLVM built via BUILD_SHARED_LIBS. We are planning to use this to temporarily preserve ABI-incompatible variants of LLVM while switching the system between them, e.g. when rebuilding the system to use libc++. Normally this would mean that once LLVM is rebuilt using libc++ all the reverse dependencies become immediately broken. Using a distinct SOVERSION allows us to preserve the ABI compatibility before all the packages are rebuilt. Differential Revision: https://reviews.llvm.org/D39939 llvm-svn: 339286
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