Bug 807214 – dev-cpp/eigen fails to build tests (error: ‘namespace mp = boost::boost::multiprecision;’ conflicts with a previous declaration)

• Status: CONFIRMED
• Product: Gentoo Linux

[Description Matt Turner 2021-08-08 20:53:05 UTC]

dev-cpp/eigen fails to build tests

[Comment 1 Matt Turner 2021-08-08 20:54:57 UTC]

Created attachment 731629 [details]
build.log.gz

build.log.gz

[Comment 2 Matt Turner 2021-08-08 20:56:57 UTC]

Comment on attachment 731629 [details]
build.log.gz

/var/tmp/portage/dev-cpp/eigen-3.3.9/work/eigen-3.3.9/test/boostmultiprec.cpp:71:37: error: ‘namespace mp = boost::boost::multiprecision;’ conflicts with a previous declaration
   71 | namespace mp = boost::multiprecision;
      |                                     ^

Reproduced on alpha and amd64 with both versions of eigen in tree (3.3.7-r1 and 3.3.9).