https://bugs.kde.org/show_bug.cgi?id=365925
Bug ID: 365925
Summary: KIO KPAC fails to build on musl libc: _BSD_SOURCE or
_GNU_SOURCE needs to be defined
Product: frameworks-kio
Version: 5.24.0
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: fa...@kde.org
Reporter: awil...@adelielinux.org
CC: kdelibs-b...@kde.org
The proxy autoconfiguration portion of KIO fails to build against the musl libc
due to _BSD_SOURCE and _GNU_SOURCE both being undefined. This causes the
symbol 'setgroups' to be hidden as it is not specified in POSIX.1-2008. It
also causes NI_MAXHOST and IFF_LOOPBACK to be undefined.
I suggest adding a check for setgroups to ConfigureChecks.cmake in the kpac/
directory and defining _BSD_SOURCE if it is not available, but that is just a
suggestion. I am not sure the desired style in the KIO project.
Reproducible: Always
Steps to Reproduce:
1. Use musl libc.
2. Attempt to build KIO's proxy autoconfiguration support.
Actual Results:
/usr/src/kde-frameworks/kio-5.21.0/work/kio-5.21.0/src/kpac/kpac_dhcp_helper.c:
In function ‘set_gid’:
/usr/src/kde-frameworks/kio-5.21.0/work/kio-5.21.0/src/kpac/kpac_dhcp_helper.c:59:9:
error: implicit declaration of function ‘setgroups’
[-Werror=implicit-function-declaration]
if (setgroups(1, &gid) == -1) {
^
/usr/src/kde-frameworks/kio-5.21.0/work/kio-5.21.0/src/kpac/kpac_dhcp_helper.c:
In function ‘send_request’:
/usr/src/kde-frameworks/kio-5.21.0/work/kio-5.21.0/src/kpac/kpac_dhcp_helper.c:173:19:
error: ‘NI_MAXHOST’ undeclared (first use in this function)
char hostname[NI_MAXHOST];
^
/usr/src/kde-frameworks/kio-5.21.0/work/kio-5.21.0/src/kpac/kpac_dhcp_helper.c:173:19:
note: each undeclared identifier is reported only once for each function it
appears in
/usr/src/kde-frameworks/kio-5.21.0/work/kio-5.21.0/src/kpac/kpac_dhcp_helper.c:186:30:
error: ‘IFF_LOOPBACK’ undeclared (first use in this function)
if (ifa->ifa_flags & IFF_LOOPBACK) {
^
Expected Results:
Successful build.
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