Looking at current trunk, it looks like something was done about the hardcoded
list of gcc versions:
http://llvm.org/viewvc/llvm-project?view=rev&revision=143874
However, nothing has been done about the hardcoded list of distros and
distro release files. There is still
enum LinuxDistro {
ArchLinux,
DebianLenny,
DebianSqueeze,
DebianWheezy,
Exherbo,
RHEL4,
RHEL5,
RHEL6,
Fedora13,
Fedora14,
Fedora15,
FedoraRawhide,
OpenSuse11_3,
OpenSuse11_4,
OpenSuse12_1,
UbuntuHardy,
UbuntuIntrepid,
UbuntuJaunty,
UbuntuKarmic,
UbuntuLucid,
UbuntuMaverick,
UbuntuNatty,
UbuntuOneiric,
UnknownDistro
};
along with code to parse /etc/lsb-release, /etc/redhat-release,
/etc/debian_version, /etc/SuSE-release, /etc/exherbo-release, and /etc
/arch-release to detect which of these distros is running. This code
automatically breaks every six months when Ubuntu and Fedora both
release another version. (For example, Ubuntu has a new Precise
Pangolin development release, and Fedora released Fedora 16 as stable.
Even Debian squeeze released, so its /etc/debian_version looks like
‘6.0.3’ instead of ‘squeeze/sid’ now and DetectLinuxDistro() misdetects
it.)
Maybe a stopgap solution would be to treat unknown Ubuntu releases as
UbuntuOneiric, unknown Fedora releases as FedoraRawhide, etc. instead of
categorizing all distros from the future as UnknownDistro. But I think
the entire idea of looking at /etc/*-release files to guess the right
linker flags is a violation of abstraction.
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https://bugs.launchpad.net/bugs/792146
Title:
clang can’t link any programs: cannot find crt1.o, crti.o, crtn.o
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