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llvm-project/polly/lib/External/README.txt

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Import isl(+imath) as an external library into Polly With this patch Polly is always GPL-free (no dependency on GMP any more). As a result, building and distributing Polly will be easier. Furthermore, there is no need to tightly coordinate isl and Polly releases anymore. We import isl b3e0fa7a05d as well as imath 4d707e5ef2. These are the git versions Polly currently was tested with when using utils/checkout_isl.sh. The imported libraries are both MIT-style licensed. We build isl and imath with -fvisibility=hidden to avoid clashes in case other projects (such as gcc) use conflicting versions of isl. The use of imath can temporarily reduce compile-time performance of Polly. We will work on performance tuning in tree. Patches to isl should be contributed first to the main isl repository and can then later be reimported to Polly. This patch is also a prerequisite for the upcoming isl C++ interface. llvm-svn: 228193
2015-02-05 04:55:43 +08:00
The libraries in this directory are mirrored from external projects.
Patches to them should first be contributed upstream and then return to Polly
as normal (re)imports of these updated libraries.
We currently have the following external libraries.
# isl
License: MIT-STYLE
Details: isl/LICENSE
# imath
License: MIT-STYLE
Details: isl/imath/LICENSE
Remove versions from README and add update instructions llvm-svn: 241246
2015-07-02 15:59:16 +08:00
To update these libraries run 'autoreconf -i && ./configure && make dist' in
the isl git directory and move the resulting files into lib/External/isl.
Add script to update isl The script will checkout the most recent master from http://repo.or.cz/isl.git into /tmp, create a distribution tarball, and extract it as replacement of lib/External/isl. After that it can be committed to the Polly repository. llvm-svn: 254497
2015-12-02 17:34:46 +08:00
Alternatively, run the update-isl.sh script.