-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Am Mon, 20 Aug 2018 13:48:45 -0600 Warner Losh <i...@bsdimp.com> schrieb:
> On Mon, Aug 20, 2018 at 1:45 PM, O. Hartmann <ohartm...@walstatt.org> wrote: > > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA512 > > > > Am Mon, 20 Aug 2018 10:39:43 +0000 (UTC) > > Alex Richardson <arichard...@freebsd.org> schrieb: > > > > > Author: arichardson > > > Date: Mon Aug 20 10:39:42 2018 > > > New Revision: 338096 > > > URL: https://svnweb.freebsd.org/changeset/base/338096 > > > > > > Log: > > > Avoid depending on system headers from the source tree during bootstrap > > > > > > This can cause surprising errors if the build tools is built against > > > headers that don't match the host system. It is also required in order > > > to allow building on non-FreeBSD systems where the headers in > > > /usr/include/sys are usually completely incompatible with those in the > > > source tree. > > > > > > I added an error to Makefile.boot if this is done and found this was > > > only the case in libnv. With this error in the Makefile ABI breakages > > > such as r336019 should no longer be possible. > > > > > > Reviewed By: bdrewery, kevans > > > Approved By: jhb (mentor) > > > Differential Revision: https://reviews.freebsd.org/D16186 > > > > > > Modified: > > > head/tools/build/mk/Makefile.boot > > > > > > Modified: head/tools/build/mk/Makefile.boot > > > ============================================================ > > ================== > > > --- head/tools/build/mk/Makefile.boot Mon Aug 20 10:39:37 2018 > > (r338095) > > > +++ head/tools/build/mk/Makefile.boot Mon Aug 20 10:39:42 2018 > > (r338096) > > > @@ -7,3 +7,20 @@ LDFLAGS+= -L${WORLDTMP}/legacy/usr/lib > > > > > > # we do not want to capture dependencies referring to the above > > > UPDATE_DEPENDFILE= no > > > + > > > +# When building host tools we should never pull in headers from the > > source sys > > > +# directory to avoid any ABI issues that might cause the built binary > > to crash. > > > +# The only exceptions to this are sys/cddl/compat for dtrace bootstrap > > tools and > > > +# sys/crypto for libmd bootstrap. > > > +.if !empty(CFLAGS:M*${SRCTOP}/sys*:N*${SRCTOP}/sys/cddl/compat*: > > N*${SRCTOP}/sys/crypto*) > > > +.error Do not include $${SRCTOP}/sys when building bootstrap tools. \ > > > + Copy the header to $${WORLDTMP}/legacy in tools/build/Makefile > > instead. \ > > > + Error was caused by Makefile in ${.CURDIR} > > > +.endif > > > + > > > +# ${SRCTOP}/include should also never be used to avoid ABI issues > > > +.if !empty(CFLAGS:M*${SRCTOP}/include*) > > > +.error Do not include $${SRCTOP}/include when building bootstrap tools. > > \ > > > + Copy the header to $${WORLDTMP}/legacy in tools/build/Makefile > > instead. \ > > > + Error was caused by Makefile in ${.CURDIR} > > > +.endif > > > _______________________________________________ > > > svn-src-head@freebsd.org mailing list > > > https://lists.freebsd.org/mailman/listinfo/svn-src-head > > > To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org" > > > > > > This commit seems to break NanoBSD builds! > > > > While r338095 still build my NanoBSD obj tree, >= r338096 fails with: > > > > [...] > > - --- obj_crunchdir_gbde --- > > cd /pool/sources/CURRENT/src/rescue/rescue/../../sbin/gbde && MK_TESTS=no > > UPDATE_DEPENDFILE=no _RECURSING_CRUNCH=1 > > MAKEOBJDIRPREFIX=/pool/nanobsd/amd64/ALERICH_amd64/ > > pool/sources/CURRENT/src/amd64.amd64/rescue/rescue > > make MK_AUTO_OBJ=no DIRPRFX=rescue/rescue/gbde/ -DRESCUE > > CRUNCH_CFLAGS=-DRESCUE > > MK_AUTO_OBJ=no obj make[5]: "/pool/sources/CURRENT/src/ > > tools/build/mk/Makefile.boot" > > line 18: Do not include ${SRCTOP}/sys when building bootstrap tools. Copy > > the header to > > ${WORLDTMP}/legacy in tools/build/Makefile instead. Error was caused by > > Makefile > > in /pool/sources/CURRENT/src/sbin/gbde *** [obj_crunchdir_gbde] Error > > code 1 > > > > > NanoBSD just does a buildworld with a few env vars, but nothing exotic.... > > And in the case of 'obj' target, who cares about the includes... > > Warner So, how to explain r338095 works, r338096 doesn't? - -- O. Hartmann Ich widerspreche der Nutzung oder Übermittlung meiner Daten für Werbezwecke oder für die Markt- oder Meinungsforschung (§ 28 Abs. 4 BDSG). -----BEGIN PGP SIGNATURE----- iLUEARMKAB0WIQQZVZMzAtwC2T/86TrS528fyFhYlAUCW3sd2QAKCRDS528fyFhY lFveAf9Swvp4duDd7nh9MWgX3nEds/hFCO6viAJLGLZqRzJCA8rIbZKIRAh+31OD ZqJ/ZZk9vEPQu2+f0o1YdbWzSQYZAf9x9CbjibmH5ZQ+O+BX0F3mAPdEhCsZu/fa mp4TWV/EqwJeFRrk1T1CqfwS8+vMPk+S9+crW6ODINl/2oA5DFoK =yjaP -----END PGP SIGNATURE----- _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"