1# $FreeBSD$ 2 3# Options set in the build system that affect the kernel somehow. 4 5# 6# Define MK_* variables (which are either "yes" or "no") for users 7# to set via WITH_*/WITHOUT_* in /etc/src.conf and override in the 8# make(1) environment. 9# These should be tested with `== "no"' or `!= "no"' in makefiles. 10# The NO_* variables should only be set by makefiles for variables 11# that haven't been converted over. 12# 13 14# Note: bsd.own.mk must be included before the rest of kern.opts.mk to make 15# building on 10.x and earlier work. This should be removed when that's no 16# longer supported since it confounds the defaults (since it uses the host's 17# notion of defaults rather than what's default in current when building 18# within sys/modules). 19.include <bsd.own.mk> 20 21# These options are used by the kernel build process (kern.mk and kmod.mk) 22# They have to be listed here so we can build modules outside of the 23# src tree. 24 25__DEFAULT_YES_OPTIONS = \ 26 AUTOFS \ 27 BHYVE \ 28 BLUETOOTH \ 29 CCD \ 30 CDDL \ 31 CRYPT \ 32 CUSE \ 33 FORMAT_EXTENSIONS \ 34 INET \ 35 INET6 \ 36 IPFILTER \ 37 ISCSI \ 38 KERNEL_SYMBOLS \ 39 NETGRAPH \ 40 PF \ 41 SOURCELESS_HOST \ 42 SOURCELESS_UCODE \ 43 USB_GADGET_EXAMPLES \ 44 ZFS 45 46__DEFAULT_NO_OPTIONS = \ 47 EISA \ 48 FAST_DEPEND \ 49 NAND \ 50 OFED 51 52# Enable FAST_DEPEND by default for the meta build. 53.if !empty(.MAKE.MODE:Unormal:Mmeta) 54__DEFAULT_YES_OPTIONS+= FAST_DEPEND 55__DEFAULT_NO_OPTIONS:= ${__DEFAULT_NO_OPTIONS:NFAST_DEPEND} 56.endif 57 58# Some options are totally broken on some architectures. We disable 59# them. If you need to enable them on an experimental basis, you 60# must change this code. 61# Note: These only apply to the list of modules we build by default 62# and sometimes what is in the opt_*.h files by default. 63# Kernel config files are unaffected, though some targets can be 64# affected by KERNEL_SYMBOLS, FORMAT_EXTENSIONS, CTF and SSP. 65 66# Things that don't work based on the CPU 67.if ${MACHINE_CPUARCH} == "arm" 68BROKEN_OPTIONS+= ZFS 69. if ${MACHINE_ARCH:Marmv6*} == "" 70BROKEN_OPTIONS+= CDDL 71. endif 72.endif 73 74.if ${MACHINE_CPUARCH} == "mips" 75BROKEN_OPTIONS+= CDDL ZFS 76.endif 77 78.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} == "powerpc" 79BROKEN_OPTIONS+= ZFS 80.endif 81 82# Things that don't work because the kernel doesn't have the support 83# for them. 84.if ${MACHINE} != "i386" 85BROKEN_OPTIONS+= EISA 86.endif 87 88.if ${MACHINE} != "i386" && ${MACHINE} != "amd64" 89BROKEN_OPTIONS+= OFED 90.endif 91 92# expanded inline from bsd.mkopt.mk to avoid share/mk dependency 93 94# Those that default to yes 95.for var in ${__DEFAULT_YES_OPTIONS} 96.if !defined(MK_${var}) 97.if defined(WITHOUT_${var}) # WITHOUT always wins 98MK_${var}:= no 99.else 100MK_${var}:= yes 101.endif 102.else 103.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 104.error "Illegal value for MK_${var}: ${MK_${var}}" 105.endif 106.endif # !defined(MK_${var}) 107.endfor 108.undef __DEFAULT_YES_OPTIONS 109 110# Those that default to no 111.for var in ${__DEFAULT_NO_OPTIONS} 112.if !defined(MK_${var}) 113.if defined(WITH_${var}) && !defined(WITHOUT_${var}) # WITHOUT always wins 114MK_${var}:= yes 115.else 116MK_${var}:= no 117.endif 118.else 119.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 120.error "Illegal value for MK_${var}: ${MK_${var}}" 121.endif 122.endif # !defined(MK_${var}) 123.endfor 124.undef __DEFAULT_NO_OPTIONS 125 126# 127# MK_* options which are always no, usually because they are 128# unsupported/badly broken on this architecture. 129# 130.for var in ${BROKEN_OPTIONS} 131MK_${var}:= no 132.endfor 133.undef BROKEN_OPTIONS 134#end of bsd.mkopt.mk expanded inline. 135 136# 137# MK_*_SUPPORT options which default to "yes" unless their corresponding 138# MK_* variable is set to "no". 139# 140.for var in \ 141 INET \ 142 INET6 143.if defined(WITHOUT_${var}_SUPPORT) || ${MK_${var}} == "no" 144MK_${var}_SUPPORT:= no 145.else 146.if defined(KERNBUILDDIR) # See if there's an opt_foo.h 147OPT_${var}!= cat ${KERNBUILDDIR}/opt_${var:tl}.h; echo 148.if ${OPT_${var}} == "" # nothing -> no 149MK_${var}_SUPPORT:= no 150.else 151MK_${var}_SUPPORT:= yes 152.endif 153.else # otherwise, yes 154MK_${var}_SUPPORT:= yes 155.endif 156.endif 157.endfor 158