On 6/1/21 5:51 PM, Ron Olson wrote:
Hey all, I’m trying to build my package for EPEL and got a strange error
clang-11: error: argument unused during compilation:
'-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1'
[-Werror,-Wunused-command-line-argument]
clang-11: error: argument unused during compilation:
'-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1'
[-Werror,-Wunused-command-line-argument]
https://kojipkgs.fedoraproject.org//work/tasks/653/69120653/build.log
The relevant section of the spec file is:
%build
export CXX=clang++
export CC=clang
%cmake -G Ninja .
%cmake_build
Is this a bug, or something I’m doing wrong? If it is a bug I’d be happy to
file a ticket in Bugzilla, but I’m not sure which project to file it under.
Some of the default Fedora flags aren't supported by clang, so if you build in
clang you need to use the clang equivalents of those flags. In rawhide,
you can enable the correct flags by setting the macro:
%global toolchain clang
I'm not sure if this macro is supported in EPEL, though, so you may need
to manually update the flags yourself.
-Tom
Ron
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