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(#143756)
When testing LLDB, we want to make sure to use the same Python as the
one we used to build it.
This patch uses the CMake variable `Python3_ROOT_DIR` to add the correct
Python to the `PATH` in LLDB lit tests, in order to ensure of this.
Please see https://github.com/swiftlang/swift/pull/82063 for the
original issue.
This is a continuation of https://github.com/swiftlang/swift/pull/82063.
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See
https://discourse.llvm.org/t/rfc-lets-document-and-enforce-a-minimum-python-version-for-lldb/82731
for discussions.
This matches LLVM's requirement to run tests. For LLDB 20 there will be
a CMake warning telling builders that from LLDB 21 this will be a hard
requirement. From LLDB 21, it will be an error to try to build with
anything <= 3.8.
So there are no code changes in this commit. Once the llvm 20 branch is
created we can remove some < 3.8 support code.
As always, if you disable Python support you will not get any new
warnings or errors from this change.
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SWIG 4 was released in 2019 and has been the de-facto standard for a
while now. All bots are running SWIG 4.0 or later.
This was motivated by #64279 which discovered that 662548c broke the
LLDB build with SWIG 3 on Windows.
Differential revision: https://reviews.llvm.org/D156804
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Use LLDB_ENABLE_SWIG instead of SWIG_EXECUTABLE or SWIG_FOUND as the
canonical CMake variable to determine whether we have SWIG available in
LLDB. This is a follow-up to b3c978e850d3.
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This patch makes SWIG itself an auto-detected dependency. This allows us
to look for SWIG once in a centralized place and makes it easier
downstream to detect whether to use the static bindings.
Differential revision: https://reviews.llvm.org/D138879
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Bump the required SWIG version to 3. If my memory serves me well we last
bumped the required SWIG version to 2 for Python 3. At that time SWIG 3
had already been around for a while so everyone I know was already using
that.
It appears that SWIG 3 is the only version that officially supports
C++11 which we're using in the typemap. SWIG 3 was released in 2014 so I
think it's reasonable to make that the minimum required version.
https://bugs.llvm.org/show_bug.cgi?id=48685
Differential revision: https://reviews.llvm.org/D94244
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Reviewed By: labath
Differential Revision: https://reviews.llvm.org/D89807
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Raise awareness of the fact that some versions of swig and python (and
build types) just don't mix.
One day this will be a reason to require swig>=4.0, but this version is
too hot off the press right now..
Differential Revision: https://reviews.llvm.org/D88967
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This patch is a big sed to rename the following variables:
s/PYTHON_LIBRARIES/Python3_LIBRARIES/g
s/PYTHON_INCLUDE_DIRS/Python3_INCLUDE_DIRS/g
s/PYTHON_EXECUTABLE/Python3_EXECUTABLE/g
s/PYTHON_RPATH/Python3_RPATH/g
I've also renamed the CMake module to better express its purpose and for
consistency with FindLuaAndSwig.
Differential revision: https://reviews.llvm.org/D85976
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