Remove build system support for lint.

Differential Revision: https://reviews.freebsd.org/D13124

13 files changed, 13 insertions, 90 deletions

diff --git a/Makefile b/Makefile
index 7674e608b6bd..f4515e5d3678 100644
--- a/Makefile
+++ b/Makefile
@@ -129,7 +129,7 @@ TGTS=	all all-man buildenv buildenvvars buildkernel buildworld \
 	everything hier hierarchy install installcheck installkernel \
 	installkernel.debug packagekernel packageworld \
 	reinstallkernel reinstallkernel.debug \
-	installworld kernel-toolchain libraries lint maninstall \
+	installworld kernel-toolchain libraries maninstall \
 	obj objlink showconfig tags toolchain update \
 	_worldtmp _legacy _bootstrap-tools _cleanobj _obj \
 	_build-tools _build-metadata _cross-tools _includes _libraries \
diff --git a/share/mk/bsd.README b/share/mk/bsd.README
index 4b9bf92a3538..9e593e0990d8 100644
--- a/share/mk/bsd.README
+++ b/share/mk/bsd.README
@@ -250,8 +250,6 @@ It has seven targets:
 		beforeinstall and afterinstall may also be used to cause
 		actions immediately before and after the install target
 		is executed.
-	lint:
-		run lint on the source files
 	tags:
 		create a tags file for the source files.
 
@@ -488,18 +486,17 @@ ${MOD}_oid.h	A header which programmatically describes the MIB root and
 
 The include file <bsd.subdir.mk> contains the default targets for building
 subdirectories.  It has the same seven targets as <bsd.prog.mk>: all, clean,
-cleandir, depend, install, lint, and tags.  For all of the directories
-listed in the variable SUBDIRS, the specified directory will be visited
-and the target made.  There is also a default target which allows the
-command "make subdir" where subdir is any directory listed in the variable
-SUBDIRS.
+cleandir, depend, install, and tags.  For all of the directories listed in the
+variable SUBDIRS, the specified directory will be visited and the target made.
+There is also a default target which allows the command "make subdir" where
+subdir is any directory listed in the variable SUBDIRS.
 
 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 
-The include file <bsd.lib.mk> has support for building libraries.  It has
-the same seven targets as <bsd.prog.mk>: all, clean, cleandir, depend,
-install, lint, and tags.  It has a limited number of suffixes, consistent
-with the current needs of the BSD tree.
+The include file <bsd.lib.mk> has support for building libraries.  It has the
+same seven targets as <bsd.prog.mk>: all, clean, cleandir, depend, install, and
+tags.  It has a limited number of suffixes, consistent with the current needs of
+the BSD tree.
 
 It sets/uses the following variables:
 
@@ -530,8 +527,6 @@ LIB_CXX		The name of the library to build. It also causes
 		will be built.  NO_PIC can be set to only build a static
 		library.
 
-LINTLIBDIR	Target directory for lint libraries.
-
 MAN		The manual pages to be installed. See bsd.man.mk for more
 		details.
 
@@ -588,8 +583,6 @@ It has seven targets:
                 targets beforeinstall and afterinstall may also be used
                 to cause actions immediately before and after the
                 install target is executed.
-	lint:
-		run lint on the source files.
 	tags:
 		create a tags file for the source files.
 
diff --git a/share/mk/bsd.lib.mk b/share/mk/bsd.lib.mk
index d3e4d7839cff..7e76d9c78ede 100644
--- a/share/mk/bsd.lib.mk
+++ b/share/mk/bsd.lib.mk
@@ -285,18 +285,6 @@ lib${LIB_PRIVATE}${LIB}_pic.a: ${SOBJS}
 	${RANLIB} ${RANLIBFLAGS} ${.TARGET}
 .endif
 
-.if defined(WANT_LINT) && !defined(NO_LINT) && defined(LIB) && !empty(LIB)
-LINTLIB=	llib-l${LIB}.ln
-_LIBS+=		${LINTLIB}
-LINTOBJS+=	${SRCS:M*.c:.c=.ln}
-CLEANFILES+=	${LINTOBJS}
-
-${LINTLIB}: ${LINTOBJS}
-	@${ECHO} building lint library ${.TARGET}
-	@rm -f ${.TARGET}
-	${LINT} ${LINTLIBFLAGS} ${CFLAGS:M-[DIU]*} ${.ALLSRC}
-.endif
-
 .endif # !defined(INTERNALLIB)
 
 .if defined(_SKIP_BUILD)
@@ -403,10 +391,6 @@ _libinstall:
 	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},development} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
 	    ${_INSTALLFLAGS} lib${LIB}_pic.a ${DESTDIR}${_LIBDIR}/
 .endif
-.if defined(WANT_LINT) && !defined(NO_LINT) && defined(LIB) && !empty(LIB)
-	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},development} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
-	    ${_INSTALLFLAGS} ${LINTLIB} ${DESTDIR}${LINTLIBDIR}/
-.endif
 .endif # !defined(INTERNALLIB)
 
 .if !defined(LIBRARIES_ONLY)
@@ -425,11 +409,6 @@ realinstall: maninstall
 
 .endif
 
-.if !target(lint)
-lint: ${SRCS:M*.c}
-	${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.ALLSRC}
-.endif
-
 .if ${MK_MAN} != "no" && !defined(LIBRARIES_ONLY)
 .include <bsd.man.mk>
 .endif
diff --git a/share/mk/bsd.own.mk b/share/mk/bsd.own.mk
index cb94b8f96e7d..07bad561acc7 100644
--- a/share/mk/bsd.own.mk
+++ b/share/mk/bsd.own.mk
@@ -32,8 +32,6 @@
 #
 # LIBEXECDIR	Base path for system daemons and utilities. [/usr/libexec]
 #
-# LINTLIBDIR	Base path for lint libraries. [/usr/libdata/lint]
-#
 # SHLIBDIR	Base path for shared libraries. [${LIBDIR}]
 #
 # LIBOWN	Library owner. [${BINOWN}]
@@ -162,7 +160,6 @@ LIBDIR?=	${LIBDIR_BASE}
 LIBCOMPATDIR?=	/usr/lib/compat
 LIBDATADIR?=	/usr/libdata
 LIBEXECDIR?=	/usr/libexec
-LINTLIBDIR?=	/usr/libdata/lint
 SHLIBDIR?=	${LIBDIR}
 LIBOWN?=	${BINOWN}
 LIBGRP?=	${BINGRP}
diff --git a/share/mk/bsd.prog.mk b/share/mk/bsd.prog.mk
index a3129a8cdca9..c88742aff1e7 100644
--- a/share/mk/bsd.prog.mk
+++ b/share/mk/bsd.prog.mk
@@ -294,13 +294,6 @@ realinstall: maninstall
 
 .endif	# !target(install)
 
-.if !target(lint)
-lint: ${SRCS:M*.c}
-.if defined(PROG)
-	${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.ALLSRC}
-.endif
-.endif
-
 .if ${MK_MAN} != "no"
 .include <bsd.man.mk>
 .endif
diff --git a/share/mk/bsd.subdir.mk b/share/mk/bsd.subdir.mk
index 1730895705f8..486043a63bb7 100644
--- a/share/mk/bsd.subdir.mk
+++ b/share/mk/bsd.subdir.mk
@@ -46,7 +46,7 @@ SUBDIR_TARGETS+= \
 		all all-man analyze buildconfig buildfiles buildincludes \
 		checkdpadd clean cleandepend cleandir cleanilinks \
 		cleanobj depend distribute files includes installconfig \
-		installfiles installincludes print-dir realinstall lint \
+		installfiles installincludes print-dir realinstall \
 		maninstall manlint ${_obj} objlink tags \
 
 # Described above.
diff --git a/share/mk/bsd.suffixes.mk b/share/mk/bsd.suffixes.mk
index 9ca583b0b952..27810f65811e 100644
--- a/share/mk/bsd.suffixes.mk
+++ b/share/mk/bsd.suffixes.mk
@@ -4,14 +4,6 @@
 	cp -f ${.IMPSRC} ${.TARGET}
 	chmod a+x ${.TARGET}
 
-.c.ln:
-	${LINT} ${LINTOBJFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC} || \
-	    touch ${.TARGET}
-
-.cc.ln .C.ln .cpp.ln .cxx.ln:
-	${LINT} ${LINTOBJFLAGS} ${CXXFLAGS:M-[DIU]*} ${.IMPSRC} || \
-	    touch ${.TARGET}
-
 .c:
 	${CC} ${CFLAGS} ${LDFLAGS} ${.IMPSRC} ${LDLIBS} -o ${.TARGET}
 	${CTFCONVERT_CMD}
diff --git a/share/mk/sys.mk b/share/mk/sys.mk
index eace8fe306ec..c32a9fc671f1 100644
--- a/share/mk/sys.mk
+++ b/share/mk/sys.mk
@@ -142,7 +142,7 @@ NO_META_IGNORE_HOST_HEADERS=	1
 .if defined(%POSIX)
 .SUFFIXES:	.o .c .y .l .a .sh .f
 .else
-.SUFFIXES:	.out .a .ln .o .bco .llo .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
+.SUFFIXES:	.out .a .o .bco .llo .c .cc .cpp .cxx .C .m .F .f .e .r .y .l .S .asm .s .cl .p .h .sh
 .endif
 
 AR		?=	ar
@@ -245,13 +245,6 @@ LD		?=	ld
 LDFLAGS		?=
 _LDFLAGS	=	${LDFLAGS:S/-Wl,//g:N-mabi=*:N-fuse-ld=*}
 
-LINT		?=	lint
-LINTFLAGS	?=	-cghapbx
-LINTKERNFLAGS	?=	${LINTFLAGS}
-LINTOBJFLAGS	?=	-cghapbxu -i
-LINTOBJKERNFLAGS?=	${LINTOBJFLAGS}
-LINTLIBFLAGS	?=	-cghapbxu -C ${LIB}
-
 MAKE		?=	make
 
 .if !defined(%POSIX)
diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk
index 204b8203d6e4..7e56c6b74cab 100644
--- a/sys/conf/kern.mk
+++ b/sys/conf/kern.mk
@@ -228,7 +228,7 @@ PHONY_NOTMAIN = afterdepend afterinstall all beforedepend beforeinstall \
 		beforelinking build build-tools buildfiles buildincludes \
 		checkdpadd clean cleandepend cleandir cleanobj configure \
 		depend distclean distribute exe \
-		html includes install installfiles installincludes lint \
+		html includes install installfiles installincludes \
 		obj objlink objs objwarn \
 		realinstall regress \
 		tags whereobj
diff --git a/sys/conf/kern.post.mk b/sys/conf/kern.post.mk
index 9a6905b73e8a..d605e5460696 100644
--- a/sys/conf/kern.post.mk
+++ b/sys/conf/kern.post.mk
@@ -153,7 +153,6 @@ ${FULLKERNEL}: ${SYSTEM_DEP} vers.o
 
 OBJS_DEPEND_GUESS+=	assym.s vnode_if.h ${BEFORE_DEPEND:M*.h} \
 			${MFILES:T:S/.m$/.h/}
-LNFILES=	${CFILES:T:S/.c$/.ln/}
 
 .for mfile in ${MFILES}
 # XXX the low quality .m.o rules gnerated by config are normally used
@@ -167,15 +166,11 @@ ${mfile:T:S/.m$/.h/}: ${mfile}
 kernel-clean:
 	rm -f *.o *.so *.pico *.ko *.s eddep errs \
 	    ${FULLKERNEL} ${KERNEL_KO} ${KERNEL_KO}.debug \
-	    linterrs tags vers.c \
+	    tags vers.c \
 	    vnode_if.c vnode_if.h vnode_if_newproto.h vnode_if_typedef.h \
 	    ${MFILES:T:S/.m$/.c/} ${MFILES:T:S/.m$/.h/} \
 	    ${CLEAN}
 
-lint: ${LNFILES}
-	${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC} 2>&1 | \
-	    tee -a linterrs
-
 # This is a hack.  BFD "optimizes" away dynamic mode if there are no
 # dynamic references.  We could probably do a '-Bforcedynamic' mode like
 # in the a.out ld.  For now, this works.
@@ -365,9 +360,6 @@ config.o env.o hints.o vers.o vnode_if.o:
 	${NORMAL_C}
 	${NORMAL_CTFCONVERT}
 
-config.ln env.ln hints.ln vers.ln vnode_if.ln:
-	${NORMAL_LINT}
-
 .if ${MK_REPRODUCIBLE_BUILD} != "no"
 REPRO_FLAG="-r"
 .endif
diff --git a/sys/conf/kern.pre.mk b/sys/conf/kern.pre.mk
index 473ab573c47b..28528b095300 100644
--- a/sys/conf/kern.pre.mk
+++ b/sys/conf/kern.pre.mk
@@ -46,7 +46,6 @@ M=		${MACHINE}
 
 AWK?=		awk
 CP?=		cp
-LINT?=		lint
 NM?=		nm
 OBJCOPY?=	objcopy
 SIZE?=		size
@@ -121,9 +120,6 @@ CFLAGS+=	${CONF_CFLAGS}
 LDFLAGS+=	-Wl,--build-id=sha1
 .endif
 
-# Optional linting. This can be overridden in /etc/make.conf.
-LINTFLAGS=	${LINTOBJKERNFLAGS}
-
 NORMAL_C= ${CC} -c ${CFLAGS} ${WERROR} ${PROF} ${.IMPSRC}
 NORMAL_S= ${CC:N${CCACHE_BIN}} -c ${ASM_CFLAGS} ${WERROR} ${.IMPSRC}
 PROFILE_C= ${CC} -c ${CFLAGS} ${WERROR} ${.IMPSRC}
@@ -176,8 +172,6 @@ NORMAL_CTFCONVERT=
 NORMAL_CTFCONVERT=	@:
 .endif
 
-NORMAL_LINT=	${LINT} ${LINTFLAGS} ${CFLAGS:M-[DIU]*} ${.IMPSRC}
-
 # Linux Kernel Programming Interface C-flags
 LINUXKPI_INCLUDES=	-I$S/compat/linuxkpi/common/include
 LINUXKPI_C=		${NORMAL_C} ${LINUXKPI_INCLUDES}
diff --git a/sys/conf/kmod.mk b/sys/conf/kmod.mk
index 6c391e2b1d14..0e35aa26ac83 100644
--- a/sys/conf/kmod.mk
+++ b/sys/conf/kmod.mk
@@ -469,9 +469,6 @@ genassym.o: ${SRCS:Mopt_*.h}
 	    ${SYSDIR}/${MACHINE}/${MACHINE}/genassym.c
 .endif
 
-lint: ${SRCS}
-	${LINT} ${LINTKERNFLAGS} ${CFLAGS:M-[DILU]*} ${.ALLSRC:M*.c}
-
 .if defined(KERNBUILDDIR)
 ${OBJS}: opt_global.h
 .endif
diff --git a/usr.sbin/config/mkmakefile.c b/usr.sbin/config/mkmakefile.c
index 1b93b5a85ef6..4f7148b005bb 100644
--- a/usr.sbin/config/mkmakefile.c
+++ b/usr.sbin/config/mkmakefile.c
@@ -690,18 +690,11 @@ do_rules(FILE *f)
 				continue;
 			}
 			if (ftp->f_depends) {
-				fprintf(f, "%s%sln: $S/%s%c %s\n",
-					ftp->f_objprefix, tail(np), np, och,
-					ftp->f_depends);
-				fprintf(f, "\t${NORMAL_LINT}\n\n");
 				fprintf(f, "%s%so: $S/%s%c %s\n",
 					ftp->f_objprefix, tail(np), np, och,
 					ftp->f_depends);
 			}
 			else {
-				fprintf(f, "%s%sln: $S/%s%c\n",
-					ftp->f_objprefix, tail(np), np, och);
-				fprintf(f, "\t${NORMAL_LINT}\n\n");
 				fprintf(f, "%s%so: $S/%s%c\n",
 					ftp->f_objprefix, tail(np), np, och);
 			}