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Test various header files to ensure they can be included by themselves.

Browse source 
A number of header files in sys/* have, going back to 7th Edition Unix
in 1979, reqiured other files (like sys/types.h) to compile. Likewise
the 4BSD networking code has had prerequisites. However, going back to
around the turn of the 21st century, other systems have made them be
independently include-able (wide-spread header include protection
post-dates 7th edition Unix by maybe 3 or so years judging from USENET
source postings). Start down the path of making them all independently
include-able by creating this test that fails buildworld when they are
not.

The file 'badfiles.inc' contains a list of the currently broken files
that cannot be included w/o any prerequisites. As files are fixed, 'make
badfiles.inc' should be re-run to remove them from the list. Note: All
files that start with an underscore are considered internal and not
tested.

Please note: once a file is removed from badfiles.inc, it must pass on
all architectures. Buildworld through at least the _includes target is
needed to ensure its working (though a buildkernel should also be done
on all architectures as well).

Sponsored by:		Netflix
Reviewed by:		brooks, markj
Differential Revision:	https://reviews.freebsd.org/D32498
This commit is contained in:
Warner Losh 2021-12-14 16:55:20 -07:00
parent 56e4bee1da
commit dd55767b86
5 changed files with 409 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
Makefile
View file

@ -164,7 +164,8 @@ TGTS= all all-man buildenv buildenvvars buildkernel buildworld \
stage-packages stage-packages-kernel stage-packages-world \
create-packages-world create-packages-kernel create-packages \
update-packages packages installconfig real-packages real-update-packages \
sign-packages package-pkg print-dir test-system-compiler test-system-linker
sign-packages package-pkg print-dir test-system-compiler test-system-linker \
test-includes
# These targets require a TARGET and TARGET_ARCH be defined.
XTGTS= native-xtools native-xtools-install xdev xdev-build xdev-install \
@ -188,8 +189,8 @@ TGTS+= ${BITGTS}
META_TGT_WHITELIST+= \
_* build32 buildfiles buildincludes buildkernel buildsoft \
buildworld everything kernel-toolchain kernel-toolchains kernel \
kernels libraries native-xtools showconfig test-system-compiler \
test-system-linker tinderbox toolchain \
kernels libraries native-xtools showconfig test-includes \
test-system-compiler test-system-linker tinderbox toolchain \
toolchains universe universe-toolchain world worlds xdev xdev-build
.ORDER: buildworld installworld

6
Makefile.inc1
View file

@ -1128,6 +1128,7 @@ _includes:
.if !empty(SUBDIR_OVERRIDE) && make(buildworld)
${_+_}cd ${.CURDIR}; ${WMAKE} MK_INCLUDES=yes SHARED=symlinks includes
.endif
${_+_}cd ${.CURDIR}; ${WMAKE} test-includes
_libraries:
@echo
@echo "--------------------------------------------------------------"
@ -1503,6 +1504,11 @@ makeman: .PHONY
${_+_}cd ${.CURDIR}/tools/build/options; sh makeman > \
${.CURDIR}/share/man/man5/src.conf.5
# Ensure no regressions in self-includeability of sys/*.h and net*/*.h
test-includes: .PHONY
${_+_}cd ${.CURDIR}/tools/build/test-includes; \
${WMAKEENV} ${MAKE} ${WORLD_FLAGS} DESTDIR=${WORLDTMP} test-includes
# We can't assume here that ${TMPPATH} will include ${PATH} or /usr/libexec
# because we may be building with a STRICTTMPPATH, so we explicitly include
# /usr/libexec here for flua. ${TMPPATH} still usefully includes anything else

4
UPDATING
View file

@ -27,6 +27,10 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 14.x IS SLOW:
world, or to merely disable the most expensive debugging functionality
at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
20211214:
A number of the kernel include files are able to be included by
themselves. A test has been added to buildworld to enforce this.
20211209:
Remove mips as a recognized target. This starts the decommissioning of
mips support in FreeBSD. mips related items will be removed wholesale in

52
tools/build/test-includes/Makefile Normal file
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@ -0,0 +1,52 @@
#
# A number of header files in sys/* have, going back to 7th Edition Unix in
# 1979, reqiured other files (like sys/types.h) to compile. Likewise the 4BSD
# networking code has had prerequisites. However, going back to around the turn
# of the century, other systems have made them be independently includable
# (wide-spread header include protection post-dates 7th edition Unix by maybe 4
# or 5 years judging from netnews sources). Start down the path of making them
# all independently includable by creating this test that fails buildworld when
# they are not.
#
# The _foo.h files are excluded as they are internal-only headers and/or have
# special requirements. Since the purpose of this is to allow autoconfig
# programs to detect FreeBSD has different headers, omitting internal
# headers cuts down on the noise w/o causing problems for the goal.
#
PROG= test-includes
SRCS= test-includes.c
INTERNALPROG= This is a compile-only test
MAN=
HDRS!= (cd ${SRCTOP}/sys; ls sys/[^_]*.h net*/[^_]*.h)
# Some files have to be clean for extra defines too...
CFLAGS.event.c= -D_WANT_KEVENT32 -D_WANT_FREEBSD11_KEVENT
.include "badfiles.inc"
.for h in ${HDRS}
.if !${BADHDRS:M${h}}
SRCS+= ${h:R}.c
CLEANFILES+=${h:R}.c
${h:R}.c:
echo "#include <$h>" > ${.TARGET}
.endif
.endfor
#
# Target to make the current known bad list. In general, this list should only
# ever shrink and never grow.
#
.PHONY: badfiles.inc
badfiles.inc:
@(cd ${SRCTOP}/sys; \
echo "# DO NOT EDIT-- this file is automatically @""generated."; \
echo "BADHDRS= \\"; \
for i in sys/*.h net*/*.h; do \
echo "#include <$$i>" | \
${CC} ${CFLAGS} -xc - -c -o /dev/null 2> /dev/null || \
echo " $$i \\"; \
done; \
echo) > ${.CURDIR}/badfiles.inc
.include <bsd.prog.mk>

343
tools/build/test-includes/badfiles.inc Normal file
View file

@ -0,0 +1,343 @@
# DO NOT EDIT-- this file is automatically @generated.
BADHDRS= \
sys/aac_ioctl.h \
sys/agpio.h \
sys/atomic_common.h \
sys/atomic_san.h \
sys/bio.h \
sys/bitstring.h \
sys/blist.h \
sys/buf.h \
sys/buf_ring.h \
sys/bus.h \
sys/bus_dma.h \
sys/bus_dma_internal.h \
sys/bus_san.h \
sys/busdma_bufalloc.h \
sys/callout.h \
sys/caprights.h \
sys/cdrio.h \
sys/cfictl.h \
sys/conf.h \
sys/cons.h \
sys/copyright.h \
sys/counter.h \
sys/coverage.h \
sys/cpu.h \
sys/cpuctl.h \
sys/cpuset.h \
sys/devmap.h \
sys/disk_zone.h \
sys/domain.h \
sys/domainset.h \
sys/dtrace_bsd.h \
sys/dvdio.h \
sys/efi.h \
sys/efiio.h \
sys/elf32.h \
sys/elf64.h \
sys/elf_common.h \
sys/elf_generic.h \
sys/epoch.h \
sys/eui64.h \
sys/eventhandler.h \
sys/eventvar.h \
sys/exec.h \
sys/extattr.h \
sys/fail.h \
sys/filedesc.h \
sys/firmware.h \
sys/fnv_hash.h \
sys/font.h \
sys/gmon.h \
sys/gpio.h \
sys/gtaskqueue.h \
sys/hhook.h \
sys/iconv.h \
sys/imgact.h \
sys/imgact_aout.h \
sys/imgact_elf.h \
sys/interrupt.h \
sys/intr.h \
sys/ioctl_compat.h \
sys/iov.h \
sys/iov_schema.h \
sys/ipmi.h \
sys/jail.h \
sys/kdb.h \
sys/kernel.h \
sys/khelp.h \
sys/kobj.h \
sys/ksem.h \
sys/ktls.h \
sys/ktrace.h \
sys/libkern.h \
sys/link_aout.h \
sys/linker.h \
sys/linker_set.h \
sys/lock.h \
sys/lock_profile.h \
sys/lockf.h \
sys/lockmgr.h \
sys/loginclass.h \
sys/mac.h \
sys/mbuf.h \
sys/md4.h \
sys/md5.h \
sys/mdioctl.h \
sys/memdesc.h \
sys/memrange.h \
sys/module.h \
sys/module_khelp.h \
sys/mpt_ioctl.h \
sys/msgbuf.h \
sys/mutex.h \
sys/namei.h \
sys/osd.h \
sys/pciio.h \
sys/pctrie.h \
sys/physmem.h \
sys/pipe.h \
sys/pmc.h \
sys/pmckern.h \
sys/pmclog.h \
sys/posix4.h \
sys/power.h \
sys/priority.h \
sys/prng.h \
sys/proc.h \
sys/qmath.h \
sys/racct.h \
sys/refcount.h \
sys/resourcevar.h \
sys/rman.h \
sys/rmlock.h \
sys/rtprio.h \
sys/runq.h \
sys/rwlock.h \
sys/sbuf.h \
sys/sema.h \
sys/sf_buf.h \
sys/sglist.h \
sys/sigio.h \
sys/signalvar.h \
sys/smr.h \
sys/smr_types.h \
sys/socketvar.h \
sys/sockopt.h \
sys/stack.h \
sys/stats.h \
sys/sx.h \
sys/syscallsubr.h \
sys/syslimits.h \
sys/systm.h \
sys/taskqueue.h \
sys/terminal.h \
sys/termios.h \
sys/tiio.h \
sys/timeb.h \
sys/timeet.h \
sys/timeffc.h \
sys/timepps.h \
sys/timetc.h \
sys/ttydevsw.h \
sys/ttydisc.h \
sys/ttyhook.h \
sys/ttyqueue.h \
sys/umtx.h \
sys/unpcb.h \
sys/user.h \
sys/vdso.h \
sys/vmmeter.h \
sys/vnode.h \
net/bpf.h \
net/bpf_buffer.h \
net/bpf_jitter.h \
net/bpf_zerocopy.h \
net/bpfdesc.h \
net/bridgestp.h \
net/debugnet_int.h \
net/ethernet.h \
net/firewire.h \
net/if_arp.h \
net/if_bridgevar.h \
net/if_dl.h \
net/if_enc.h \
net/if_lagg.h \
net/if_llatbl.h \
net/if_llc.h \
net/if_media.h \
net/if_mib.h \
net/if_pflog.h \
net/if_pfsync.h \
net/if_sppp.h \
net/if_stf.h \
net/if_tap.h \
net/if_tun.h \
net/if_var.h \
net/if_vlan_var.h \
net/iflib.h \
net/iflib_private.h \
net/ifq.h \
net/mp_ring.h \
net/mppc.h \
net/netisr.h \
net/netisr_internal.h \
net/netmap.h \
net/netmap_legacy.h \
net/paravirt.h \
net/pfil.h \
net/pfkeyv2.h \
net/pfvar.h \
net/radix.h \
net/raw_cb.h \
net/rndis.h \
net/route.h \
net/rss_config.h \
net/slcompress.h \
net/toeplitz.h \
net80211/ieee80211.h \
net80211/ieee80211_action.h \
net80211/ieee80211_adhoc.h \
net80211/ieee80211_ageq.h \
net80211/ieee80211_alq.h \
net80211/ieee80211_amrr.h \
net80211/ieee80211_crypto.h \
net80211/ieee80211_dfs.h \
net80211/ieee80211_freebsd.h \
net80211/ieee80211_hostap.h \
net80211/ieee80211_ht.h \
net80211/ieee80211_input.h \
net80211/ieee80211_ioctl.h \
net80211/ieee80211_mesh.h \
net80211/ieee80211_monitor.h \
net80211/ieee80211_node.h \
net80211/ieee80211_power.h \
net80211/ieee80211_proto.h \
net80211/ieee80211_radiotap.h \
net80211/ieee80211_ratectl.h \
net80211/ieee80211_rssadapt.h \
net80211/ieee80211_scan.h \
net80211/ieee80211_scan_sw.h \
net80211/ieee80211_sta.h \
net80211/ieee80211_superg.h \
net80211/ieee80211_tdma.h \
net80211/ieee80211_var.h \
net80211/ieee80211_vht.h \
net80211/ieee80211_wds.h \
netgraph/netgraph.h \
netgraph/ng_async.h \
netgraph/ng_bpf.h \
netgraph/ng_bridge.h \
netgraph/ng_car.h \
netgraph/ng_checksum.h \
netgraph/ng_cisco.h \
netgraph/ng_deflate.h \
netgraph/ng_etf.h \
netgraph/ng_hole.h \
netgraph/ng_ksocket.h \
netgraph/ng_l2tp.h \
netgraph/ng_lmi.h \
netgraph/ng_macfilter.h \
netgraph/ng_message.h \
netgraph/ng_mppc.h \
netgraph/ng_nat.h \
netgraph/ng_one2many.h \
netgraph/ng_parse.h \
netgraph/ng_patch.h \
netgraph/ng_pipe.h \
netgraph/ng_ppp.h \
netgraph/ng_pppoe.h \
netgraph/ng_pptpgre.h \
netgraph/ng_pred1.h \
netgraph/ng_sample.h \
netgraph/ng_socket.h \
netgraph/ng_socketvar.h \
netgraph/ng_source.h \
netgraph/ng_tag.h \
netgraph/ng_tcpmss.h \
netgraph/ng_tee.h \
netgraph/ng_vjc.h \
netgraph/ng_vlan.h \
netgraph/ng_vlan_rotate.h \
netgraph/qos.h \
netinet/dccp.h \
netinet/icmp6.h \
netinet/icmp_var.h \
netinet/if_ether.h \
netinet/igmp.h \
netinet/igmp_var.h \
netinet/in_fib.h \
netinet/in_kdtrace.h \
netinet/in_pcb.h \
netinet/in_pcb_var.h \
netinet/in_rss.h \
netinet/in_systm.h \
netinet/in_var.h \
netinet/ip.h \
netinet/ip6.h \
netinet/ip_carp.h \
netinet/ip_dummynet.h \
netinet/ip_fw.h \
netinet/ip_icmp.h \
netinet/ip_mroute.h \
netinet/ip_options.h \
netinet/ip_var.h \
netinet/pim_var.h \
netinet/sctp_auth.h \
netinet/sctp_bsd_addr.h \
netinet/sctp_kdtrace.h \
netinet/sctp_os.h \
netinet/sctp_os_bsd.h \
netinet/sctp_pcb.h \
netinet/sctp_structs.h \
netinet/sctp_sysctl.h \
netinet/tcp_debug.h \
netinet/tcp_hpts.h \
netinet/tcp_log_buf.h \
netinet/tcp_lro.h \
netinet/tcp_offload.h \
netinet/tcp_pcap.h \
netinet/tcp_ratelimit.h \
netinet/tcp_var.h \
netinet/tcpip.h \
netinet/toecore.h \
netinet/udp.h \
netinet/udp_var.h \
netinet/udplite.h \
netinet6/icmp6.h \
netinet6/in6.h \
netinet6/in6_fib.h \
netinet6/in6_rss.h \
netinet6/in6_var.h \
netinet6/ip6.h \
netinet6/ip6_mroute.h \
netinet6/ip6_var.h \
netinet6/ip6protosw.h \
netinet6/ip_fw_nat64.h \
netinet6/ip_fw_nptv6.h \
netinet6/mld6.h \
netinet6/mld6_var.h \
netinet6/nd6.h \
netinet6/pim6.h \
netinet6/pim6_var.h \
netinet6/raw_ip6.h \
netinet6/send.h \
netipsec/ah.h \
netipsec/ah_var.h \
netipsec/esp.h \
netipsec/esp_var.h \
netipsec/ipcomp.h \
netipsec/ipcomp_var.h \
netipsec/ipsec.h \
netipsec/ipsec6.h \
netipsec/key_debug.h \
netipsec/keysock.h \
netipsec/xform.h \
netsmb/netbios.h \
netsmb/smb.h \
netsmb/smb_conn.h \
netsmb/smb_rq.h \
netsmb/smb_subr.h \
netsmb/smb_tran.h \