kern.opts.mk revision 297174
1265785Simp# $FreeBSD: head/sys/conf/kern.opts.mk 297174 2016-03-21 23:32:13Z ian $ 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 \ 33296772Sbdrewery FAST_DEPEND \ 34265791Simp FORMAT_EXTENSIONS \ 35269540Simp INET \ 36269540Simp INET6 \ 37269812Simp IPFILTER \ 38277675Sngie ISCSI \ 39269812Simp KERNEL_SYMBOLS \ 40269812Simp NETGRAPH \ 41269812Simp PF \ 42269812Simp SOURCELESS_HOST \ 43269812Simp SOURCELESS_UCODE \ 44269812Simp USB_GADGET_EXAMPLES \ 45269812Simp ZFS 46265785Simp 47269812Simp__DEFAULT_NO_OPTIONS = \ 48269812Simp EISA \ 49269812Simp NAND \ 50269812Simp OFED 51265785Simp 52295987Sbdrewery# Enable FAST_DEPEND by default for the meta build. 53295987Sbdrewery.if !empty(.MAKE.MODE:Unormal:Mmeta) 54295987Sbdrewery__DEFAULT_YES_OPTIONS+= FAST_DEPEND 55295987Sbdrewery__DEFAULT_NO_OPTIONS:= ${__DEFAULT_NO_OPTIONS:NFAST_DEPEND} 56295987Sbdrewery.endif 57295987Sbdrewery 58279899Simp# Some options are totally broken on some architectures. We disable 59279899Simp# them. If you need to enable them on an experimental basis, you 60279899Simp# must change this code. 61280766Simp# Note: These only apply to the list of modules we build by default 62280766Simp# and sometimes what is in the opt_*.h files by default. 63280766Simp# Kernel config files are unaffected, though some targets can be 64280766Simp# affected by KERNEL_SYMBOLS, FORMAT_EXTENSIONS, CTF and SSP. 65279899Simp 66279899Simp# Things that don't work based on the CPU 67279899Simp.if ${MACHINE_CPUARCH} == "arm" 68291103Sandrew. if ${MACHINE_ARCH:Marmv6*} == "" 69297174SianBROKEN_OPTIONS+= CDDL ZFS 70291103Sandrew. endif 71279899Simp.endif 72279899Simp 73279899Simp.if ${MACHINE_CPUARCH} == "mips" 74279899SimpBROKEN_OPTIONS+= CDDL ZFS 75279899Simp.endif 76279899Simp 77279899Simp.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} == "powerpc" 78279899SimpBROKEN_OPTIONS+= ZFS 79279899Simp.endif 80279899Simp 81279899Simp# Things that don't work because the kernel doesn't have the support 82279899Simp# for them. 83279899Simp.if ${MACHINE} != "i386" 84279899SimpBROKEN_OPTIONS+= EISA 85279899Simp.endif 86279899Simp 87279899Simp.if ${MACHINE} != "i386" && ${MACHINE} != "amd64" 88279899SimpBROKEN_OPTIONS+= OFED 89279899Simp.endif 90279899Simp 91269812Simp# expanded inline from bsd.mkopt.mk to avoid share/mk dependency 92269812Simp 93269812Simp# Those that default to yes 94266349Simp.for var in ${__DEFAULT_YES_OPTIONS} 95266349Simp.if !defined(MK_${var}) 96266349Simp.if defined(WITHOUT_${var}) # WITHOUT always wins 97266349SimpMK_${var}:= no 98265898Simp.else 99266349SimpMK_${var}:= yes 100265898Simp.endif 101278457Simp.else 102278457Simp.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 103278457Simp.error "Illegal value for MK_${var}: ${MK_${var}}" 104266349Simp.endif 105278457Simp.endif # !defined(MK_${var}) 106266349Simp.endfor 107266349Simp.undef __DEFAULT_YES_OPTIONS 108269540Simp 109269812Simp# Those that default to no 110269812Simp.for var in ${__DEFAULT_NO_OPTIONS} 111269812Simp.if !defined(MK_${var}) 112269812Simp.if defined(WITH_${var}) && !defined(WITHOUT_${var}) # WITHOUT always wins 113269812SimpMK_${var}:= yes 114269812Simp.else 115269812SimpMK_${var}:= no 116269812Simp.endif 117278457Simp.else 118278457Simp.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 119278457Simp.error "Illegal value for MK_${var}: ${MK_${var}}" 120269812Simp.endif 121278457Simp.endif # !defined(MK_${var}) 122269812Simp.endfor 123269812Simp.undef __DEFAULT_NO_OPTIONS 124269812Simp 125269540Simp# 126279898Simp# MK_* options which are always no, usually because they are 127279898Simp# unsupported/badly broken on this architecture. 128279898Simp# 129279898Simp.for var in ${BROKEN_OPTIONS} 130279898SimpMK_${var}:= no 131279898Simp.endfor 132279898Simp.undef BROKEN_OPTIONS 133279898Simp#end of bsd.mkopt.mk expanded inline. 134279898Simp 135279898Simp# 136269540Simp# MK_*_SUPPORT options which default to "yes" unless their corresponding 137269540Simp# MK_* variable is set to "no". 138269540Simp# 139269540Simp.for var in \ 140269540Simp INET \ 141269540Simp INET6 142269540Simp.if defined(WITHOUT_${var}_SUPPORT) || ${MK_${var}} == "no" 143269540SimpMK_${var}_SUPPORT:= no 144269540Simp.else 145274529Simp.if defined(KERNBUILDDIR) # See if there's an opt_foo.h 146296770Sbdrewery.if !defined(OPT_${var}) 147274529SimpOPT_${var}!= cat ${KERNBUILDDIR}/opt_${var:tl}.h; echo 148296770Sbdrewery.export OPT_${var} 149296770Sbdrewery.endif 150274529Simp.if ${OPT_${var}} == "" # nothing -> no 151274529SimpMK_${var}_SUPPORT:= no 152274529Simp.else 153269540SimpMK_${var}_SUPPORT:= yes 154269540Simp.endif 155274529Simp.else # otherwise, yes 156274529SimpMK_${var}_SUPPORT:= yes 157274529Simp.endif 158274529Simp.endif 159269540Simp.endfor 160