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 FAST_DEPEND \ 34 FORMAT_EXTENSIONS \ 35 INET \ 36 INET6 \ 37 IPFILTER \ 38 ISCSI \ 39 KERNEL_SYMBOLS \ 40 NETGRAPH \ 41 PF \ 42 SOURCELESS_HOST \ 43 SOURCELESS_UCODE \ 44 USB_GADGET_EXAMPLES \ 45 ZFS 46 47__DEFAULT_NO_OPTIONS = \ 48 EISA \ 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" 68. if ${MACHINE_ARCH:Marmv6*} == "" 69BROKEN_OPTIONS+= CDDL ZFS 70. endif 71.endif 72 73.if ${MACHINE_CPUARCH} == "mips" 74BROKEN_OPTIONS+= CDDL ZFS 75.endif 76 77.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} == "powerpc" 78BROKEN_OPTIONS+= ZFS 79.endif 80 81# Things that don't work because the kernel doesn't have the support 82# for them. 83.if ${MACHINE} != "i386" 84BROKEN_OPTIONS+= EISA 85.endif 86 87.if ${MACHINE} != "i386" && ${MACHINE} != "amd64" 88BROKEN_OPTIONS+= OFED 89.endif 90 91# expanded inline from bsd.mkopt.mk to avoid share/mk dependency 92 93# Those that default to yes 94.for var in ${__DEFAULT_YES_OPTIONS} 95.if !defined(MK_${var}) 96.if defined(WITHOUT_${var}) # WITHOUT always wins 97MK_${var}:= no 98.else 99MK_${var}:= yes 100.endif 101.else 102.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 103.error "Illegal value for MK_${var}: ${MK_${var}}" 104.endif 105.endif # !defined(MK_${var}) 106.endfor 107.undef __DEFAULT_YES_OPTIONS 108 109# Those that default to no 110.for var in ${__DEFAULT_NO_OPTIONS} 111.if !defined(MK_${var}) 112.if defined(WITH_${var}) && !defined(WITHOUT_${var}) # WITHOUT always wins 113MK_${var}:= yes 114.else 115MK_${var}:= no 116.endif 117.else 118.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 119.error "Illegal value for MK_${var}: ${MK_${var}}" 120.endif 121.endif # !defined(MK_${var}) 122.endfor 123.undef __DEFAULT_NO_OPTIONS 124 125# 126# MK_* options which are always no, usually because they are 127# unsupported/badly broken on this architecture. 128# 129.for var in ${BROKEN_OPTIONS} 130MK_${var}:= no 131.endfor 132.undef BROKEN_OPTIONS 133#end of bsd.mkopt.mk expanded inline. 134 135# 136# MK_*_SUPPORT options which default to "yes" unless their corresponding 137# MK_* variable is set to "no". 138# 139.for var in \ 140 INET \ 141 INET6 142.if defined(WITHOUT_${var}_SUPPORT) || ${MK_${var}} == "no" 143MK_${var}_SUPPORT:= no 144.else 145.if defined(KERNBUILDDIR) # See if there's an opt_foo.h 146.if !defined(OPT_${var}) 147OPT_${var}!= cat ${KERNBUILDDIR}/opt_${var:tl}.h; echo 148.export OPT_${var} 149.endif 150.if ${OPT_${var}} == "" # nothing -> no 151MK_${var}_SUPPORT:= no 152.else 153MK_${var}_SUPPORT:= yes 154.endif 155.else # otherwise, yes 156MK_${var}_SUPPORT:= yes 157.endif 158.endif 159.endfor 160