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root: conflicts +ipo (#34842)

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ROOT does not build successfully with `+ipo`, with symptoms as in https://github.com/root-project/root/issues/10777, and discussed most recently in https://github.com/root-project/root/issues/11135. As indicated there, LTO is not a supported build configuration. As of 6.26.10 there is no estimate for a fix since upstream is still broken.
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Wouter Deconinck 2023-01-10 10:09:10 -06:00 committed by GitHub
parent 9d00e7d15d
commit d0bd8f74cf
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var/spack/repos/builtin/packages/root/package.py
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@ -319,6 +319,10 @@ class Root(CMakePackage):
# ROOT <6.14 is incompatible with Python >=3.7, which is the minimum supported by spack
conflicts("+python", when="@:6.13", msg="Spack wants python >=3.7, too new for ROOT <6.14")
# ROOT does not support LTO builds
# See https://github.com/root-project/root/issues/11135
conflicts("+ipo", msg="LTO is not a supported configuration for building ROOT")
@classmethod
def filter_detected_exes(cls, prefix, exes_in_prefix):
result = []