On 13.10.2017 12:52, Thomas Huth wrote: > On 13.10.2017 12:28, Daniel P. Berrange wrote: >> The system compiler in OpenBSD is gcc 4.2.1 which is too >> old for our needs. If doing 'pkg_add gcc' you can get a >> much newer version (4.9.4 in OpenBSD 6.1) which works with >> QEMU. This installs binaries with two naming schemes: >> >> $ pkg_info -L gcc | grep bin >> /usr/local/bin/ecpp >> /usr/local/bin/egcc >> /usr/local/bin/egcc-ar >> /usr/local/bin/egcc-nm >> /usr/local/bin/egcc-ranlib >> /usr/local/bin/egcov >> /usr/local/bin/x86_64-unknown-openbsd6.0-egcc >> /usr/local/bin/x86_64-unknown-openbsd6.0-egcc-ar >> /usr/local/bin/x86_64-unknown-openbsd6.0-egcc-nm >> /usr/local/bin/x86_64-unknown-openbsd6.0-egcc-ranlib >> /usr/local/bin/x86_64-unknown-openbsd6.0-gcc-4.9.3 >> >> We pick the short name this it won't change across OpenBSD >> releases. >> >> This means users don't need to manually pass custom --cc >> and --cxx args to configure to avoid immediate failure. >> >> Signed-off-by: Daniel P. Berrange <berra...@redhat.com> >> --- >> configure | 18 ++++++++++++++++-- >> 1 file changed, 16 insertions(+), 2 deletions(-) >> >> diff --git a/configure b/configure >> index 06f18ea9af..fcb7523933 100755 >> --- a/configure >> +++ b/configure >> @@ -255,7 +255,21 @@ cross_prefix="" >> audio_drv_list="" >> block_drv_rw_whitelist="" >> block_drv_ro_whitelist="" >> -host_cc="cc" >> + >> +case `uname -s` in >> + OpenBSD) >> + # Default system cc in OpenBSD is unsufficient > > s/unsufficient/insufficient/ > >> + # we need the 'gcc' pkg added, whch provides > > s/whch/which/ > >> + # these modified binary names >> + host_cc="egcc" >> + host_cxx="eg++" >> + ;; >> + *) >> + host_cc="cc" >> + host_cxx="c++" >> + ;; >> +esac > > Do we really need such work-arounds in our configure script? GCC 4.2 is > really veeeery old nowadays, so if the OpenBSD folks refuse to update > the default in their distro, IMHO they should be punished by having to > select the C compiler manually everywhere. > > Thomas >
OpenBSD switched to Clang/LLVM and they insist to support older releases. We can silently ignore their GCC 4.2.1 (the latest one GPLv2 release).
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