https://bugs.kde.org/show_bug.cgi?id=373175
Bug ID: 373175
Summary: _XOPEN_SOURCE needs to be defined when using
-std=iso9899:1990
Product: extra-cmake-modules
Version: 5.28.0
Platform: Compiled Sources
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Created attachment 102573
--> https://bugs.kde.org/attachment.cgi?id=102573&action=edit
KDECompilerSettings: Ensure POSIX correctness
When building on non-glibc Unix platforms, such as Solaris, NetBSD, and
Linux/musl or Linux/uclibc, multiple components of KF5 fail to build. This is
because -std=iso9899:1990 is specified (for strict C90 compliance) but
_XOPEN_SOURCE is not defined, so none of the POSIX interfaces are exported. I
have seen this reported in at least:
* kscreenlocker
* plasma-workspace
The attached patch resolves this issue on all our build boxes; additionally,
applying it to my glibc builder did not change the already working result.
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