On 14/10/2016 6:48 PM, Dewayne Geraghty wrote: > After some rudimentary performance testing I note that we get up > around 3% improvement in application performance when we use gcc5 for > our package builds. > > However building ports with gcc results in gcc5 being a dependency. > Examining ldd, we find that rarely does anything require gcc5's > shared libs for their execution. Even simple things like ftp/wget > and devel/ccache depend on gcc5 for building but NOT runtime. As we > aren't allowed to install compilers onto production systems, what is > the best course of action to address? (We could just install gcc5 and > then remove it but then of course, the base pkg wants to remove > everything (600+ packages) that depends on gcc5!) > > So the question is - how should we build our packages or install them > so that gcc5 is not (unnecessarily) installed? > > We've added to our /etc/make.conf USE_GCC= 5 but I wonder if there's > something like a build_depends mechanism? > > > Background: Our FreeBSD 10.3 Stable uses pkg 1.8.3; whereas ports > uses 1.8.7_3, minor point. > > Why gcc5? Well most ports use clang 3.4.1 to compile, some ports do > use gcc 4.8.5; and if we move to FreeBSD11 then we also need to add > llvm3.6 into the build/migrating equation. So to aid our migration > effort we "think" choosing gcc5 now is a good idea; particularly as > /usr/ports/base/gcc uses gcc 5.4.0 (rather than /usr/ports/lang/gcc > which is 4.8.5) > > All production systems use local package repositories (as heimdal is > widely used as are non-default options). > > Kind regards, Dewayne
This (in progress thing) may help: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211154 See dependent Bugzilla issue: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211079 ./koobs _______________________________________________ freebsd-ports@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-ports To unsubscribe, send any mail to "freebsd-ports-unsubscr...@freebsd.org"
