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 NAND \ 49 OFED 50 51# Some options are totally broken on some architectures. We disable 52# them. If you need to enable them on an experimental basis, you 53# must change this code. 54# Note: These only apply to the list of modules we build by default 55# and sometimes what is in the opt_*.h files by default. 56# Kernel config files are unaffected, though some targets can be 57# affected by KERNEL_SYMBOLS, FORMAT_EXTENSIONS, CTF and SSP. 58 59# Things that don't work based on the CPU 60.if ${MACHINE_CPUARCH} == "arm" 61BROKEN_OPTIONS+= CDDL ZFS 62.endif 63 64.if ${MACHINE_CPUARCH} == "mips" 65BROKEN_OPTIONS+= CDDL ZFS 66.endif 67 68.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} == "powerpc" 69BROKEN_OPTIONS+= ZFS 70.endif 71 72# Things that don't work because the kernel doesn't have the support 73# for them. 74.if ${MACHINE} != "i386" 75BROKEN_OPTIONS+= EISA 76.endif 77 78.if ${MACHINE} != "i386" && ${MACHINE} != "amd64" 79BROKEN_OPTIONS+= OFED 80.endif 81 82# expanded inline from bsd.mkopt.mk to avoid share/mk dependency 83 84# Those that default to yes 85.for var in ${__DEFAULT_YES_OPTIONS} 86.if !defined(MK_${var}) 87.if defined(WITHOUT_${var}) # WITHOUT always wins 88MK_${var}:= no 89.else 90MK_${var}:= yes 91.endif 92.else 93.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 94.error "Illegal value for MK_${var}: ${MK_${var}}" 95.endif 96.endif # !defined(MK_${var}) 97.endfor 98.undef __DEFAULT_YES_OPTIONS 99 100# Those that default to no 101.for var in ${__DEFAULT_NO_OPTIONS} 102.if !defined(MK_${var}) 103.if defined(WITH_${var}) && !defined(WITHOUT_${var}) # WITHOUT always wins 104MK_${var}:= yes 105.else 106MK_${var}:= no 107.endif 108.else 109.if ${MK_${var}} != "yes" && ${MK_${var}} != "no" 110.error "Illegal value for MK_${var}: ${MK_${var}}" 111.endif 112.endif # !defined(MK_${var}) 113.endfor 114.undef __DEFAULT_NO_OPTIONS 115 116# 117# MK_* options which are always no, usually because they are 118# unsupported/badly broken on this architecture. 119# 120.for var in ${BROKEN_OPTIONS} 121MK_${var}:= no 122.endfor 123.undef BROKEN_OPTIONS 124#end of bsd.mkopt.mk expanded inline. 125 126# 127# MK_*_SUPPORT options which default to "yes" unless their corresponding 128# MK_* variable is set to "no". 129# 130.for var in \ 131 INET \ 132 INET6 133.if defined(WITHOUT_${var}_SUPPORT) || ${MK_${var}} == "no" 134MK_${var}_SUPPORT:= no 135.else 136.if defined(KERNBUILDDIR) # See if there's an opt_foo.h 137OPT_${var}!= cat ${KERNBUILDDIR}/opt_${var:tl}.h; echo 138.if ${OPT_${var}} == "" # nothing -> no 139MK_${var}_SUPPORT:= no 140.else 141MK_${var}_SUPPORT:= yes 142.endif 143.else # otherwise, yes 144MK_${var}_SUPPORT:= yes 145.endif 146.endif 147.endfor 148