242 lines
7.3 KiB
Makefile
242 lines
7.3 KiB
Makefile
# procps Makefile
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# Albert Cahalan, 2002-2004
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#
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# Recursive make is considered harmful:
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# http://google.com/search?q=%22recursive+make+considered+harmful%22
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#
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# For now this Makefile uses explicit dependencies. The project
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# hasn't grown big enough to need something complicated, and the
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# dependency tracking files are an ugly annoyance.
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#
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# This file includes */module.mk files which add on to variables:
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# FOO += bar/baz
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#
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#
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# Set (or uncomment) SKIP if you wish to avoid something.
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# For example, you may prefer the /bin/kill from util-linux or bsdutils.
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VERSION := 3
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SUBVERSION := 2
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MINORVERSION := 3
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TARVERSION := $(VERSION).$(SUBVERSION).$(MINORVERSION)
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############ vars
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# so you can disable them or choose alternates
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ldconfig := ldconfig
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ln_f := ln -f
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ln_sf := ln -sf
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install := install -D --owner 0 --group 0
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# Lame x86-64 /lib64 and /usr/lib64 abomination:
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lib64 := lib$(shell [ -d /lib64 ] && echo 64)
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usr/bin := $(DESTDIR)/usr/bin/
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bin := $(DESTDIR)/bin/
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sbin := $(DESTDIR)/sbin/
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usr/proc/bin := $(DESTDIR)/usr/bin/
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man1 := $(DESTDIR)/usr/share/man/man1/
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man5 := $(DESTDIR)/usr/share/man/man5/
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man8 := $(DESTDIR)/usr/share/man/man8/
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lib := $(DESTDIR)/$(lib64)/
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usr/lib := $(DESTDIR)/usr/$(lib64)/
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usr/include := $(DESTDIR)/usr/include/
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#SKIP := $(bin)kill $(man1)kill.1
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BINFILES := $(usr/bin)uptime $(usr/bin)tload $(usr/bin)free $(usr/bin)w \
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$(usr/bin)top $(usr/bin)vmstat $(usr/bin)watch $(usr/bin)skill \
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$(usr/bin)snice $(bin)kill $(sbin)sysctl $(usr/bin)pmap \
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$(usr/proc/bin)pgrep $(usr/proc/bin)pkill $(usr/bin)slabtop
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MANFILES := $(man1)uptime.1 $(man1)tload.1 $(man1)free.1 $(man1)w.1 \
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$(man1)top.1 $(man1)watch.1 $(man1)skill.1 $(man1)kill.1 \
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$(man1)snice.1 $(man1)pgrep.1 $(man1)pkill.1 $(man1)pmap.1 \
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$(man5)sysctl.conf.5 $(man8)vmstat.8 $(man8)sysctl.8 \
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$(man1)slabtop.1
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TARFILES := AUTHORS BUGS NEWS README TODO COPYING COPYING.LIB \
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Makefile procps.lsm procps.spec v t README.top CodingStyle \
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sysctl.conf minimal.c $(notdir $(MANFILES)) dummy.c \
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uptime.c tload.c free.c w.c top.c vmstat.c watch.c skill.c \
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sysctl.c pgrep.c top.h pmap.c slabtop.c
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# Stuff (tests, temporary hacks, etc.) left out of the standard tarball
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# plus the top-level Makefile to make it work stand-alone.
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_TARFILES := Makefile
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CURSES := -lncurses
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# Preprocessor flags.
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PKG_CPPFLAGS := -D_GNU_SOURCE -I proc
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CPPFLAGS := -I/usr/include/ncurses
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ALL_CPPFLAGS := $(PKG_CPPFLAGS) $(CPPFLAGS)
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# Left out -Wconversion due to noise in glibc headers.
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# Left out -Wunreachable-code and -Wdisabled-optimization
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# because gcc spews many useless warnings with them.
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#
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# Since none of the PKG_CFLAGS things are truly required
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# to compile procps, they might best be moved to CFLAGS.
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# On the other hand, they aren't normal -O -g things either.
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#
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# Note that -O2 includes -fomit-frame-pointer only if the arch
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# doesn't lose some debugging ability.
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#
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PKG_CFLAGS := -fno-common -ffast-math \
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-W -Wall -Wshadow -Wcast-align -Wredundant-decls \
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-Wbad-function-cast -Wcast-qual -Wwrite-strings -Waggregate-return \
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-Wstrict-prototypes -Wmissing-prototypes
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# Note that some stuff below is conditional on CFLAGS containing
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# an option that starts with "-g". (-g, -g2, -g3, -ggdb, etc.)
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CFLAGS := -O2 -s
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ALL_CFLAGS := $(PKG_CFLAGS) $(CFLAGS)
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PKG_LDFLAGS := -Wl,-warn-common
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LDFLAGS :=
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ALL_LDFLAGS := $(PKG_LDFLAGS) $(LDFLAGS)
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############ Add some extra flags if gcc allows
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ifneq ($(MAKECMDGOALS),clean)
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ifneq ($(MAKECMDGOALS),tar)
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ifneq ($(MAKECMDGOALS),extratar)
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# Unlike the kernel one, this check_gcc goes all the way to
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# producing an executable. There might be a -m64 that works
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# until you go looking for a 64-bit curses library.
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check_gcc = $(shell if $(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) dummy.c $(ALL_LDFLAGS) $(1) -o /dev/null $(CURSES) > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
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ALL_CFLAGS += $(call check_gcc,-Wdeclaration-after-statement,)
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ALL_CFLAGS += $(call check_gcc,-Wpadded,)
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ALL_CFLAGS += $(call check_gcc,-Wstrict-aliasing=2,)
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# Adding -fno-gcse might be good for those files which
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# use computed goto.
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#ALL_CFLAGS += $(call check_gcc,-fno-gcse,)
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# if not debugging, enable things that could confuse gdb
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ifeq (,$(findstring -g,$(filter -g%,$(CFLAGS))))
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ALL_CFLAGS += $(call check_gcc,-fweb,)
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ALL_CFLAGS += $(call check_gcc,-frename-registers,)
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ALL_CFLAGS += $(call check_gcc,-fomit-frame-pointer,)
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endif
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# in case -O3 is enabled, avoid bloat
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ALL_CFLAGS += $(call check_gcc,-fno-inline-functions,)
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# Be 64-bit if at all possible. In a cross-compiling situation, one may
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# do "make m64=-m32 lib64=lib" to produce 32-bit executables. DO NOT
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# attempt to use a 32-bit executable on a 64-bit kernel. Packagers MUST
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# produce separate executables for ppc and ppc64, s390 and s390x,
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# i386 and x86-64, mips and mips64, sparc and sparc64, and so on.
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# Failure to do so will cause data corruption.
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m64 := $(call check_gcc,-m64,$(call check_gcc,-mabi=64,))
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ALL_CFLAGS += $(m64)
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endif
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endif
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endif
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############ misc.
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# free.c pmap.c sysctl.c uptime.c vmstat.c watch.c pgrep.c skill.c tload.c top.c w.c
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# utmp.c oldtop.c tmp-junk.c minimal.c
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.SUFFIXES:
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.SUFFIXES: .a .o .c .s .h
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.PHONY: all clean do_all install tar extratar
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ALL := $(notdir $(BINFILES))
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CLEAN := $(notdir $(BINFILES))
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DIRS :=
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INSTALL := $(BINFILES) $(MANFILES)
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# want this rule first, use := on ALL, and ALL not filled in yet
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all: do_all
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-include */module.mk
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do_all: $(ALL)
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junk := DEADJOE *~ *.o core gmon.out
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# Remove $(junk) from all $(DIRS)
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CLEAN += $(junk) $(foreach dir,$(DIRS),$(addprefix $(dir), $(junk)))
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##########
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# not maintained because it isn't really needed:
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#
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#SRC :=
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#OBJ := $(patsubst %.c,%.o, $(filter %.c,$(SRC)))
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#
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#ifneq ($(MAKECMDGOALS),clean)
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#-include $(OBJ:.o=.d)
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#endif
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#
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#%.d: %.c
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# depend.sh $(ALL_CPPFLAGS) $(ALL_CFLAGS) $< > $@
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############
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# don't want to type "make procps-$(TARVERSION).tar.gz"
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tar: $(TARFILES)
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mkdir procps-$(TARVERSION)
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(tar cf - $(TARFILES)) | (cd procps-$(TARVERSION) && tar xf -)
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tar cf procps-$(TARVERSION).tar procps-$(TARVERSION)
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gzip -9 procps-$(TARVERSION).tar
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extratar: $(_TARFILES)
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mkdir procps-$(TARVERSION)
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(tar cf - $(_TARFILES)) | (cd procps-$(TARVERSION) && tar xf -)
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tar cf extra-$(TARVERSION).tar procps-$(TARVERSION)
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gzip -9 extra-$(TARVERSION).tar
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clean:
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rm -f $(CLEAN)
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###### install
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$(BINFILES) : all
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$(install) --mode a=rx $(notdir $@) $@
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$(MANFILES) : all
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$(install) --mode a=r $(notdir $@) $@
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install: $(filter-out $(SKIP) $(addprefix $(DESTDIR),$(SKIP)),$(INSTALL))
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cd $(usr/bin) && $(ln_f) skill snice
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cd $(usr/proc/bin) && $(ln_f) pgrep pkill
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############ prog.c --> prog.o
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top.o : top.h
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%.o : %.c
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$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) -c -o $@ $<
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w.o: w.c
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$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) $(W_SHOWFROM) -c $<
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############ prog.o --> prog
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pmap w uptime tload free sysctl vmstat utmp pgrep skill: % : %.o $(LIBPROC)
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$(CC) $(ALL_CFLAGS) $^ $(ALL_LDFLAGS) -o $@
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slabtop top: % : %.o $(LIBPROC)
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$(CC) $(ALL_CFLAGS) $^ $(ALL_LDFLAGS) -o $@ $(CURSES)
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watch: % : %.o
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$(CC) $(ALL_CFLAGS) $^ $(ALL_LDFLAGS) -o $@ $(CURSES)
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############ progX --> progY
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snice kill: skill
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ln -f skill $@
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pkill: pgrep
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ln -f pgrep pkill
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