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Bug 690986

Summary: sci-libs/armadillo[hdf5]: detection of HDF5 broken, ARMA_HDF5_INCLUDE_DIR set to NOTFOUND breaking builds.
Product: Gentoo Linux Reporter: Jan-Matthias Braun <jan_braun>
Component: Current packagesAssignee: Andreas K. Hüttel <dilfridge>
Status: RESOLVED FIXED    
Severity: normal CC: sci
Priority: Normal Keywords: PATCH, PullRequest
Version: unspecified   
Hardware: All   
OS: Linux   
See Also: https://github.com/gentoo/gentoo/pull/14744
Whiteboard:
Package list:
Runtime testing required: ---
Attachments: Fix HDF5 includes by forcing HDF5_INCLUDE_DIRS. Caution: also sets DETECT_HDF5, which is not strictly necessary for the problem at hand.

Description Jan-Matthias Braun 2019-07-29 11:53:17 UTC
Created attachment 584972 [details, diff]
Fix HDF5 includes by forcing HDF5_INCLUDE_DIRS. Caution: also sets DETECT_HDF5, which is not strictly necessary for the problem at hand.

When emerging with hdf5 support, use of armadillo will result in failed compiler calls with:
    fatal error: NOTFOUND/hdf5.h: No such file or directory

It looks like HDF5 detection is broken. (Especially for the C-only component?)
The armadillo ebuild is overwriting the corresponding HDF5 variables, i.e., -DHDF5_FOUND=ON and-DHDF5_LIBRARIES="-lhdf5". But HDF5_INCLUDE_DIRS is not set.
Setting HDF5_INCLUDE_DIRS=/usr/include fixes this.

Caution: The attached patch is also setting DETECT_HDF5, which is probably not necessary, but it seems a possibility to turn detection off completely, when not using HDF5.
Comment 1 Larry the Git Cow gentoo-dev 2020-02-22 20:13:13 UTC
The bug has been closed via the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b2dab37206f6a0b4f10c4386694166441831b784

commit b2dab37206f6a0b4f10c4386694166441831b784
Author:     Andreas K. Huettel <dilfridge@gentoo.org>
AuthorDate: 2020-02-22 20:12:34 +0000
Commit:     David Seifert <soap@gentoo.org>
CommitDate: 2020-02-22 20:12:34 +0000

    sci-libs/armadillo: Version bump; fix HDF5 detection
    
    Patch by Jan-Matthias Braun
    
    Closes: https://bugs.gentoo.org/690986
    Package-Manager: Portage-2.3.84, Repoman-2.3.20
    Signed-off-by: Andreas K. Huettel <dilfridge@gentoo.org>
    Signed-off-by: David Seifert <soap@gentoo.org>

 sci-libs/armadillo/Manifest                 |   1 +
 sci-libs/armadillo/armadillo-9.850.1.ebuild | 148 ++++++++++++++++++++++++++++
 2 files changed, 149 insertions(+)
Comment 2 Jan-Matthias Braun 2020-02-24 09:15:40 UTC
Thanks a lot!