Add an explicit LLVM_ENABLE_DIA_SDK option to control building support
for DIA SDK-based debugging. Control its value to match whether DIA SDK
support was found and expose it in LLVMConfig (alike LLVM_ENABLE_ZLIB).
Its value is needed for LLDB to determine whether to run tests requiring
DIA support. Currently it is obtained from llvm/Config/config.h;
however, this file is not available for standalone builds. Following
this change, LLDB will be modified to use the value from LLVMConfig.
Differential Revision: https://reviews.llvm.org/D26255
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This was also explicitly undef in CMake for some unknown reason.
Hopefully this one won't kill all the bots.
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Summary:
We recently introduced a feature that enforce at link-time that the
LLVM headers used by a clients are matching the ABI setting of the
LLVM library linked to.
However for clients that are using only headers from ADT and promise
they won't call into LLVM, this is forcing to link libSupport. This
new flag is intended to provide a way to configure LLVM with this
promise for such client.
Reviewers: bob.wilson, compnerd
Subscribers: mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D27432
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The macro LLVM_ENABLE_ABI_BREAKING_CHECKS is moved to a new header
abi-breaking.h, from llvm-config.h. Only headers that are using the
macro are including this new header.
LLVM will define a symbol, either EnableABIBreakingChecks or
DisableABIBreakingChecks depending on the configuration setting for
LLVM_ABI_BREAKING_CHECKS.
The abi-breaking.h header will add weak references to these symbols in
every clients that includes this header. This should ensure that
a mismatch triggers a link failure (or a load time failure for DSO).
On MSVC, the pragma "detect_mismatch" is used instead.
Differential Revision: https://reviews.llvm.org/D26876
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Summary:
LLVM will define a symbol, either EnableABIBreakingChecks or
DisableABIBreakingChecks depending on the configuration setting for
LLVM_ABI_BREAKING_CHECKS.
The llvm-config.h header will add weak references to these symbols in
every clients that includes this header. This should ensure that
a mismatch triggers a link failure (or a load time failure for DSO).
On MSVC, the pragma "detect_mismatch" is used instead.
Reviewers: rnk, jroelofs
Subscribers: llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D26841
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It got disconnected during the cmake conversion. For Miscompilation.cpp,
it was purely advisory for the user and the ToolRunner.cpp version was
trying to compensate for libs and bins in the same directory, which
hasn't been the case for a very long time.
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systems. It wasn't even hooked up in cmake, so problems on such systems
would be visible with 3.9 release already.
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LLVM_ENABLE_THREADS. Include llvm-config.h explicitly in headers to make
sure that the definition is available.
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