kern.opts.mk revision 319171
1265785Simp# $FreeBSD: stable/11/sys/conf/kern.opts.mk 319171 2017-05-30 03:02:07Z ngie $ 2265785Simp 3265785Simp# Options set in the build system that affect the kernel somehow. 4265785Simp 5265785Simp# 6265785Simp# Define MK_* variables (which are either "yes" or "no") for users 7265785Simp# to set via WITH_*/WITHOUT_* in /etc/src.conf and override in the 8265785Simp# make(1) environment. 9265785Simp# These should be tested with `== "no"' or `!= "no"' in makefiles. 10265785Simp# The NO_* variables should only be set by makefiles for variables 11265785Simp# that haven't been converted over. 12265785Simp# 13265785Simp 14269812Simp# Note: bsd.own.mk must be included before the rest of kern.opts.mk to make 15269812Simp# building on 10.x and earlier work. This should be removed when that's no 16269812Simp# longer supported since it confounds the defaults (since it uses the host's 17269812Simp# notion of defaults rather than what's default in current when building 18269812Simp# within sys/modules). 19269812Simp.include <bsd.own.mk> 20269812Simp 21265785Simp# These options are used by the kernel build process (kern.mk and kmod.mk) 22265785Simp# They have to be listed here so we can build modules outside of the 23265785Simp# src tree. 24265785Simp 25265785Simp__DEFAULT_YES_OPTIONS = \ 26277728Sngie AUTOFS \ 27277727Sngie BHYVE \ 28269812Simp BLUETOOTH \ 29277678Sngie CCD \ 30269812Simp CDDL \ 31269812Simp CRYPT \ 32277681Sngie CUSE \ 33265791Simp FORMAT_EXTENSIONS \ 34269540Simp INET \ 35269540Simp INET6 \ 36269812Simp IPFILTER \ 37315514Sae IPSEC_SUPPORT \ 38277675Sngie ISCSI \ 39269812Simp KERNEL_SYMBOLS \ 40269812Simp NETGRAPH \ 41269812Simp PF \ 42269812Simp SOURCELESS_HOST \ 43269812Simp SOURCELESS_UCODE \ 44319171Sngie TESTS \ 45269812Simp USB_GADGET_EXAMPLES \ 46269812Simp ZFS 47265785Simp 48269812Simp__DEFAULT_NO_OPTIONS = \ 49269812Simp EISA \ 50301814Sjtl EXTRA_TCP_STACKS \ 51269812Simp NAND \ 52312730Semaste OFED \ 53312730Semaste REPRODUCIBLE_BUILD 54265785Simp 55279899Simp# Some options are totally broken on some architectures. We disable 56279899Simp# them. If you need to enable them on an experimental basis, you 57279899Simp# must change this code. 58280766Simp# Note: These only apply to the list of modules we build by default 59280766Simp# and sometimes what is in the opt_*.h files by default. 60280766Simp# Kernel config files are unaffected, though some targets can be 61280766Simp# affected by KERNEL_SYMBOLS, FORMAT_EXTENSIONS, CTF and SSP. 62279899Simp 63279899Simp# Things that don't work based on the CPU 64279899Simp.if ${MACHINE_CPUARCH} == "arm" 65291103Sandrew. if ${MACHINE_ARCH:Marmv6*} == "" 66297174SianBROKEN_OPTIONS+= CDDL ZFS 67291103Sandrew. endif 68279899Simp.endif 69279899Simp 70279899Simp.if ${MACHINE_CPUARCH} == "mips" 71279899SimpBROKEN_OPTIONS+= CDDL ZFS 72279899Simp.endif 73279899Simp 74279899Simp.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} == "powerpc" 75279899SimpBROKEN_OPTIONS+= ZFS 76279899Simp.endif 77279899Simp 78279899Simp# Things that don't work because the kernel doesn't have the support 79279899Simp# for them. 80279899Simp.if ${MACHINE} != "i386" 81279899SimpBROKEN_OPTIONS+= EISA 82279899Simp.endif 83279899Simp 84279899Simp.if ${MACHINE} != "i386" && ${MACHINE} != "amd64" 85279899SimpBROKEN_OPTIONS+= OFED 86279899Simp.endif 87279899Simp 88269812Simp# expanded inline from bsd.mkopt.mk to avoid share/mk dependency 89269812Simp 90269812Simp# Those that default to yes 91266349Simp.for var in ${__DEFAULT_YES_OPTIONS} 92266349Simp.if !defined(MK_${var}) 93266349Simp.if defined(WITHOUT_${var}) # WITHOUT always wins 94266349SimpMK_${var}:= no 95265898Simp.else 96266349SimpMK_${var}:= yes 97265898Simp.endif 98278457Simp.else 99278457Simp.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 100278457Simp.error "Illegal value for MK_${var}: ${MK_${var}}" 101266349Simp.endif 102278457Simp.endif # !defined(MK_${var}) 103266349Simp.endfor 104266349Simp.undef __DEFAULT_YES_OPTIONS 105269540Simp 106269812Simp# Those that default to no 107269812Simp.for var in ${__DEFAULT_NO_OPTIONS} 108269812Simp.if !defined(MK_${var}) 109269812Simp.if defined(WITH_${var}) && !defined(WITHOUT_${var}) # WITHOUT always wins 110269812SimpMK_${var}:= yes 111269812Simp.else 112269812SimpMK_${var}:= no 113269812Simp.endif 114278457Simp.else 115278457Simp.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 116278457Simp.error "Illegal value for MK_${var}: ${MK_${var}}" 117269812Simp.endif 118278457Simp.endif # !defined(MK_${var}) 119269812Simp.endfor 120269812Simp.undef __DEFAULT_NO_OPTIONS 121269812Simp 122269540Simp# 123279898Simp# MK_* options which are always no, usually because they are 124279898Simp# unsupported/badly broken on this architecture. 125279898Simp# 126279898Simp.for var in ${BROKEN_OPTIONS} 127279898SimpMK_${var}:= no 128279898Simp.endfor 129279898Simp.undef BROKEN_OPTIONS 130279898Simp#end of bsd.mkopt.mk expanded inline. 131279898Simp 132279898Simp# 133269540Simp# MK_*_SUPPORT options which default to "yes" unless their corresponding 134269540Simp# MK_* variable is set to "no". 135269540Simp# 136269540Simp.for var in \ 137269540Simp INET \ 138269540Simp INET6 139269540Simp.if defined(WITHOUT_${var}_SUPPORT) || ${MK_${var}} == "no" 140269540SimpMK_${var}_SUPPORT:= no 141269540Simp.else 142274529Simp.if defined(KERNBUILDDIR) # See if there's an opt_foo.h 143296770Sbdrewery.if !defined(OPT_${var}) 144274529SimpOPT_${var}!= cat ${KERNBUILDDIR}/opt_${var:tl}.h; echo 145296770Sbdrewery.export OPT_${var} 146296770Sbdrewery.endif 147274529Simp.if ${OPT_${var}} == "" # nothing -> no 148274529SimpMK_${var}_SUPPORT:= no 149274529Simp.else 150269540SimpMK_${var}_SUPPORT:= yes 151269540Simp.endif 152274529Simp.else # otherwise, yes 153274529SimpMK_${var}_SUPPORT:= yes 154274529Simp.endif 155274529Simp.endif 156269540Simp.endfor 157300855Sian 158300855Sian# Some modules only compile successfully if option FDT is set, due to #ifdef FDT 159300855Sian# wrapped around declarations. Module makefiles can optionally compile such 160300855Sian# things using .if !empty(OPT_FDT) 161300855Sian.if !defined(OPT_FDT) && defined(KERNBUILDDIR) 162300855SianOPT_FDT!= sed -n '/FDT/p' ${KERNBUILDDIR}/opt_platform.h 163300855Sian.export OPT_FDT 164300855Sian.endif 165