3 # Part of a unified Makefile for building kernels. This part contains all
4 # of the definitions that need to be before %BEFORE_DEPEND.
7 .include <bsd.compiler.mk>
9 # backwards compat option for older systems.
10 MACHINE_CPUARCH?=${MACHINE_ARCH:C/mips(n32|64)?(el)?/mips/:C/arm(v6)?(eb)?/arm/:C/powerpc64/powerpc/}
12 # Can be overridden by makeoptions or /etc/make.conf
15 KODIR?= /boot/${KERNEL}
16 LDSCRIPT_NAME?= ldscript.$M
17 LDSCRIPT?= $S/conf/${LDSCRIPT_NAME}
32 .if ${MACHINE_CPUARCH} == "powerpc"
33 _MINUS_O= -O # gcc miscompiles some code at -O2
38 .if ${MACHINE_CPUARCH} == "amd64"
39 .if ${COMPILER_TYPE} != "clang"
40 COPTFLAGS?=-O2 -frename-registers -pipe
45 COPTFLAGS?=${_MINUS_O} -pipe
47 .if !empty(COPTFLAGS:M-O[23s]) && empty(COPTFLAGS:M-fno-strict-aliasing)
48 COPTFLAGS+= -fno-strict-aliasing
50 .if !defined(NO_CPU_COPTFLAGS)
51 COPTFLAGS+= ${_CPUCFLAGS}
56 INCLUDES= ${NOSTDINC} ${INCLMAGIC} -I. -I$S
58 # This hack lets us use the OpenBSD altq code without spamming a new
59 # include path into contrib'ed source files.
60 INCLUDES+= -I$S/contrib/altq
62 .if make(depend) || make(kernel-depend)
64 # ... and the same for ipfilter
65 INCLUDES+= -I$S/contrib/ipfilter
67 # ... and the same for ath
68 INCLUDES+= -I$S/dev/ath -I$S/dev/ath/ath_hal -I$S/contrib/dev/ath/ath_hal
70 # ... and the same for the NgATM stuff
71 INCLUDES+= -I$S/contrib/ngatm
73 # ... and the same for twa
74 INCLUDES+= -I$S/dev/twa
76 # ... and the same for cxgb and cxgbe
77 INCLUDES+= -I$S/dev/cxgb -I$S/dev/cxgbe
81 CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
82 CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
83 .if ${COMPILER_TYPE} != "clang"
84 CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
85 .if ${MACHINE_CPUARCH} != "mips"
86 CFLAGS+= --param inline-unit-growth=100
87 CFLAGS+= --param large-function-growth=1000
89 # XXX Actually a gross hack just for Octeon because of the Simple Executive.
90 CFLAGS+= --param inline-unit-growth=10000
91 CFLAGS+= --param large-function-growth=100000
92 CFLAGS+= --param max-inline-insns-single=10000
97 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
98 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
100 .if ${COMPILER_TYPE} == "clang"
101 CLANG_NO_IAS= -no-integrated-as
104 .if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
106 .if ${COMPILER_TYPE} != "clang"
107 CFLAGS+= -falign-functions=16
109 .if ${PROFLEVEL} >= 2
110 CFLAGS+= -DGPROF4 -DGUPROF
112 .if ${COMPILER_TYPE} != "clang"
113 PROF+= -mprofiler-epilogue
119 DEFINED_PROF= ${PROF}
121 # Put configuration-specific C flags last (except for ${PROF}) so that they
122 # can override the others.
123 CFLAGS+= ${CONF_CFLAGS}
125 # Optional linting. This can be overridden in /etc/make.conf.
126 LINTFLAGS= ${LINTOBJKERNFLAGS}
128 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
129 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
130 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
131 NORMAL_C_NOWERROR= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
133 NORMAL_M= ${AWK} -f $S/tools/makeobjops.awk ${.IMPSRC} -c ; \
134 ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.PREFIX}.c
136 NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC}
137 NORMAL_FWO= ${LD} -b binary --no-warn-mismatch -d -warn-common -r \
138 -o ${.TARGET} ${.ALLSRC:M*.fw}
140 # Special flags for managing the compat compiles for ZFS
141 ZFS_CFLAGS= -DFREEBSD_NAMECACHE -DBUILDING_ZFS -nostdinc -I$S/cddl/compat/opensolaris -I$S/cddl/contrib/opensolaris/uts/common/fs/zfs -I$S/cddl/contrib/opensolaris/uts/common/zmod -I$S/cddl/contrib/opensolaris/uts/common -I$S -I$S/cddl/contrib/opensolaris/common/zfs -I$S/cddl/contrib/opensolaris/common ${CFLAGS} -Wno-unknown-pragmas -Wno-missing-prototypes -Wno-undef -Wno-strict-prototypes -Wno-cast-qual -Wno-parentheses -Wno-redundant-decls -Wno-missing-braces -Wno-uninitialized -Wno-unused -Wno-inline -Wno-switch -Wno-pointer-arith -Wno-unknown-pragmas
142 ZFS_CFLAGS+= -include $S/cddl/compat/opensolaris/sys/debug_compat.h
143 ZFS_ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${ZFS_CFLAGS}
144 ZFS_C= ${CC} -c ${ZFS_CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
145 ZFS_S= ${CC} -c ${ZFS_ASM_CFLAGS} ${WERROR} ${.IMPSRC}
147 .if ${MK_CTF} != "no"
148 NORMAL_CTFCONVERT= ${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
149 .elif ${MAKE_VERSION} >= 5201111300
152 NORMAL_CTFCONVERT= @:
155 NORMAL_LINT= ${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
157 # Infiniband C flags. Correct include paths and omit errors that linux
159 OFEDINCLUDES= -I$S/ofed/include/
160 OFEDNOERR= -Wno-cast-qual -Wno-pointer-arith -fms-extensions
161 OFEDCFLAGS= ${CFLAGS:N-I*} ${OFEDINCLUDES} ${CFLAGS:M-I*} ${OFEDNOERR}
162 OFED_C_NOIMP= ${CC} -c -o ${.TARGET} ${OFEDCFLAGS} ${WERROR} ${PROF}
163 OFED_C= ${OFED_C_NOIMP} ${.IMPSRC}
165 GEN_CFILES= $S/$M/$M/genassym.c ${MFILES:T:S/.m$/.c/}
166 SYSTEM_CFILES= config.c env.c hints.c vnode_if.c
167 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
168 SYSTEM_OBJS= locore.o ${MDOBJS} ${OBJS}
169 SYSTEM_OBJS+= ${SYSTEM_CFILES:.c=.o}
170 SYSTEM_OBJS+= hack.So
171 SYSTEM_LD= @${LD} -Bdynamic -T ${LDSCRIPT} ${LDFLAGS} --no-warn-mismatch \
172 -warn-common -export-dynamic -dynamic-linker /red/herring \
173 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
174 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
175 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
176 SYSTEM_DEP+= ${LDSCRIPT}
178 # MKMODULESENV is set here so that port makefiles can augment
181 MKMODULESENV+= MAKEOBJDIRPREFIX=${.OBJDIR}/modules KMODDIR=${KODIR}
182 MKMODULESENV+= MACHINE_CPUARCH=${MACHINE_CPUARCH}
183 .if (${KERN_IDENT} == LINT)
184 MKMODULESENV+= ALL_MODULES=LINT
186 .if defined(MODULES_OVERRIDE)
187 MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}"
189 .if defined(WITHOUT_MODULES)
190 MKMODULESENV+= WITHOUT_MODULES="${WITHOUT_MODULES}"
193 MKMODULESENV+= DEBUG_FLAGS="${DEBUG}"
196 # Are various things configured?
197 DDB_ENABLED!= grep DDB opt_ddb.h || true ; echo
198 DTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true ; echo
199 HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true ; echo