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      1 # $NetBSD: lint.mk,v 1.5 2022/08/27 21:49:33 rillig Exp $
      2 
      3 ##
      4 ## lint
      5 ##
      6 
      7 .if !target(lint)
      8 .PATH: $S
      9 ALLSFILES?=	${MD_SFILES} ${SFILES}
     10 LINTSTUBS?=	${ALLSFILES:T:R:%=LintStub_%.c}
     11 KERNLINTFLAGS?=	-bceghnxzFS
     12 NORMAL_LN?=	${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} -o $@ -i $<
     13 
     14 _lsrc=		${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES}
     15 LOBJS?=		${_lsrc:T:.c=.ln} ${LIBKERNLN} ${SYSLIBCOMPATLN}
     16 
     17 .for sfile in ${ALLSFILES}
     18 LintStub_${sfile:T:R}.c: ${sfile} assym.h
     19 	${_MKTARGET_COMPILE}
     20 	${CC} -E -C ${AFLAGS} ${CPPFLAGS} ${sfile} | \
     21 	      ${TOOL_AWK} -f $S/kern/genlintstub.awk >${.TARGET}
     22 .endfor
     23 
     24 .for cfile in ${CFILES} ${LINTSTUBS} ${MI_CFILES} ${MD_CFILES}
     25 ${cfile:T:R}.ln: ${cfile}
     26 	${_MKTARGET_COMPILE}
     27 	${NORMAL_LN}
     28 .endfor
     29 
     30 lint: ${LOBJS}
     31 	${LINT} ${KERNLINTFLAGS} ${CPPFLAGS:M-[IDU]*} ${LOBJS}
     32 .endif
     33 
     34 # XXX who uses this?
     35 # Attempt to do a syntax-only compile of the entire kernel as one entity.
     36 # Alas, bugs in the GCC C frontend prevent this from completely effective
     37 # but information can be gleaned from the output.
     38 syntax-only: ${CFILES} ${MD_CFILES}
     39 	${CC} -fsyntax-only -combine ${CFLAGS} ${CPPFLAGS} \
     40 		${CFILES} ${MD_CFILES}
     41