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It seems nss-util-devel has an include file that is missing another include file. I haven't been able to find out which package is supposed to deliver planera.h.
The file is part of nspr-devel: $ rpm -qf /usr/include/nspr4/plarena.h nspr-devel-4.12.0-1.fc24.x86_64 Doesn't nss-util-devel pull it automatically? $ rpm -q --requires nss-util-devel /bin/sh /usr/bin/pkg-config nspr-devel >= 4.12.0 nss-util = 3.26.0-1.0.fc24 pkgconfig pkgconfig(nspr) >= 4.12.0 rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1 rpmlib(PayloadIsXz) <= 5.2-1 $ pkg-config --cflags nss-util -I/usr/include/nss3 -I/usr/include/nspr4
it does: root@thinkpad:/tmp# dnf install nss-util-devel Last metadata expiration check: 3:00:34 ago on Mon Sep 19 12:11:07 2016. Dependencies resolved. ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: nspr-devel x86_64 4.12.0-1.fc24 fedora 119 k nss-util-devel x86_64 3.26.0-1.0.fc24 updates 76 k Transaction Summary ================================================================================ Install 2 Packages Total download size: 195 k Installed size: 710 k Is this ok [y/N]: so it seems I must have done something with --nodeps or something. thanks.