Date: Thu, 26 Nov 2015 19:31:55 +0100 From: Mark Martinec <Mark.Martinec+freebsd@ijs.si> To: freebsd-stable@FreeBSD.org Subject: A recent 10.2-STABLE no longer builds on a no-exec /usr/src file system Message-ID: <636a770981c5655f3cc45f2c6aee6474@mailbox.ijs.si>
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Up to about a week ago building world on FreeBSD 10.2-STABLE went just fine. Today after svn update the build fails: # make buildworld [...] CC='cc ' mkdep -f .depend.getprotoent_test -a -I/usr/src/lib/libc/tests/net -I/usr/src/lib/libnetbsd -I/usr/src/contrib/netbsd-tests -std=gnu99 /usr/src/contrib/netbsd-tests/lib/libc/net/t_getprotoent.c echo getprotoent_test: /usr/obj/usr/src/tmp/usr/lib/libc.a /usr/obj/usr/src/tmp/usr/lib/private/libatf-c.a >> .depend.getprotoent_test (cd /usr/src/lib/libc/tests/net && make -f /usr/src/lib/libc/tests/net/Makefile _RECURSING_PROGS= SUBDIR= PROG=ether_aton_test DEPENDFILE=.depend.ether_aton_test .MAKE.DEPENDFILE=.depend.ether_aton_test depend) /usr/src/contrib/netbsd-tests/lib/libc/net/gen_ether_subr /usr/src/sys/net/if_ethersubr.c aton_ether_subr.c make[7]: exec(/usr/src/contrib/netbsd-tests/lib/libc/net/gen_ether_subr) failed (Permission denied) *** Error code 1 Stop. make[7]: stopped in /usr/src/lib/libc/tests/net *** Error code 1 It turns out that our file system /usr/src had an "exec" flag turned off, so now running a command: /usr/src/contrib/netbsd-tests/lib/libc/net/gen_ether_subr fails with "Permission denied". It would be valuable if building a system on an exec-protected src file system would continue to be possible. Not sure if the /usr/src/contrib/netbsd-tests/lib/libc/net/gen_ether_subr is the only such new command breaking the build. Anyway, a simple workaround is to run shell from a command line instead of as a shebang, i.e.: # /bin/sh /usr/src/contrib/netbsd-tests/lib/libc/net/gen_ether_subr instead of: # /usr/src/contrib/netbsd-tests/lib/libc/net/gen_ether_subr Mark
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