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# Some options are totally broken on some architectures. We disable 53# them. If you need to enable them on an experimental basis, you 54# must change this code. 55# Note: These only apply to the list of modules we build by default 56# and sometimes what is in the opt_*.h files by default. 57# Kernel config files are unaffected, though some targets can be 58# affected by KERNEL_SYMBOLS, FORMAT_EXTENSIONS, CTF and SSP. 59 60# Things that don't work based on the CPU 61.if ${MACHINE_CPUARCH} == "arm" 62BROKEN_OPTIONS+= CDDL ZFS 63.endif 64 65.if ${MACHINE_CPUARCH} == "mips" 66BROKEN_OPTIONS+= CDDL ZFS 67.endif 68 69.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} == "powerpc" 70BROKEN_OPTIONS+= ZFS 71.endif 72 73# Things that don't work because the kernel doesn't have the support 74# for them. 75.if ${MACHINE} != "i386" 76BROKEN_OPTIONS+= EISA 77.endif 78 79.if ${MACHINE} != "i386" && ${MACHINE} != "amd64" 80BROKEN_OPTIONS+= OFED 81.endif 82 83# expanded inline from bsd.mkopt.mk to avoid share/mk dependency 84 85# Those that default to yes 86.for var in ${__DEFAULT_YES_OPTIONS} 87.if !defined(MK_${var}) 88.if defined(WITHOUT_${var}) # WITHOUT always wins 89MK_${var}:= no 90.else 91MK_${var}:= yes 92.endif 93.else 94.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 95.error "Illegal value for MK_${var}: ${MK_${var}}" 96.endif 97.endif # !defined(MK_${var}) 98.endfor 99.undef __DEFAULT_YES_OPTIONS 100 101# Those that default to no 102.for var in ${__DEFAULT_NO_OPTIONS} 103.if !defined(MK_${var}) 104.if defined(WITH_${var}) && !defined(WITHOUT_${var}) # WITHOUT always wins 105MK_${var}:= yes 106.else 107MK_${var}:= no 108.endif 109.else 110.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 111.error "Illegal value for MK_${var}: ${MK_${var}}" 112.endif 113.endif # !defined(MK_${var}) 114.endfor 115.undef __DEFAULT_NO_OPTIONS 116 117# 118# MK_* options which are always no, usually because they are 119# unsupported/badly broken on this architecture. 120# 121.for var in ${BROKEN_OPTIONS} 122MK_${var}:= no 123.endfor 124.undef BROKEN_OPTIONS 125#end of bsd.mkopt.mk expanded inline. 126 127# 128# MK_*_SUPPORT options which default to "yes" unless their corresponding 129# MK_* variable is set to "no". 130# 131.for var in \ 132 INET \ 133 INET6 134.if defined(WITHOUT_${var}_SUPPORT) || ${MK_${var}} == "no" 135MK_${var}_SUPPORT:= no 136.else 137.if defined(KERNBUILDDIR) # See if there's an opt_foo.h 138OPT_${var}!= cat ${KERNBUILDDIR}/opt_${var:tl}.h; echo 139.if ${OPT_${var}} == "" # nothing -> no 140MK_${var}_SUPPORT:= no 141.else 142MK_${var}_SUPPORT:= yes 143.endif 144.else # otherwise, yes 145MK_${var}_SUPPORT:= yes 146.endif 147.endif 148.endfor 149