2467327637
81%
master: 81%

Ran 21 Apr 2026 07:59AM UTC

Jobs 1

Files 133

Run time 1min

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Committed 21 Apr 2026 07:01AM UTC coverage: 81.426%. First build

Build # 2467327637

Build Type

push

gitlab-ci

Committed by

lhoward

Commit Message

fix: common/error: include <ostream> for operator<<(ostream&, string&)

src/common/error.cpp defines

    std::ostream &operator<<(std::ostream &os, const Error &err) {
        os << err.String();
        ...
    }

err.String() returns std::string, so this relies on the free
function operator<<(std::ostream&, const std::string&) being a
complete definition at the call site, not just a forward declaration.

error.cpp only includes <common/error.hpp>, which in turn includes
<string> and <system_error>. Under libstdc++ that chain happens to
drag in the full body of the string ostream operator, so the call
gets inlined and the link succeeds. Under libc++, <string> only
provides a forward declaration (marked _LIBCPP_HIDE_FROM_ABI); the
body lives in <ostream>/<__ostream/basic_ostream.h>. Without that
include, the compiler emits an out-of-line call to a hidden-
visibility symbol that never gets defined and the link fails:

  undefined reference to 'std::operator<<[abi:...]<char, ...>(
    basic_ostream<char,...>&, const basic_string<char,...>&)'

Include <ostream> explicitly so the definition is reachable regardless
of which C++ standard library is in use.

Signed-off-by: Luke Howard <lukeh@padl.com>

Coverage Stats

9180 of 11274 relevant lines covered (81.43%)

20196.51 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	2467327637.1	21 Apr 2026 07:59AM UTC	133	81.43

mendersoftware / mender / 2467327637
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master: 81%

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