Commit ab9a738c authored by albert's avatar albert

Recursive Make Considered Harmful

parent a2283133
# procps Makefile
# Albert Cahalan, 2002
#
# Recursive make is considered harmful:
# http://google.com/search?q=%22recursive+make+considered+harmful%22
#
# For now this Makefile uses explicit dependencies. The project
# hasn't grown big enough to need something complicated, and the
# dependency tracking files are an ugly annoyance.
#
# This file includes */module.mk files which add on to variables:
# FOO += bar/baz
VERSION := 3
SUBVERSION := 0
MINORVERSION := 1
LIBVERSION := 3.0.1
############ vars
# so you can disable them or choose alternates
ldconfig := ldconfig
ln-f := ln -f
ln-sf := ln -sf
install := install --owner 0 --group 0
usr/bin := $(DESTDIR)/usr/bin/
bin := $(DESTDIR)/bin/
sbin := $(DESTDIR)/sbin/
usr/proc/bin := $(DESTDIR)/usr/bin/
man1 := $(DESTDIR)/usr/share/man/man1/
man5 := $(DESTDIR)/usr/share/man/man5/
man8 := $(DESTDIR)/usr/share/man/man8/
etc/X11/applnk/Utilities := $(DESTDIR)/etc/X11/applnk/Utilities/
usr/X11R6/bin := $(DESTDIR)/usr/X11R6/bin/
lib := $(DESTDIR)/lib/
usr/lib := $(DESTDIR)/usr/lib/
usr/include := $(DESTDIR)/usr/include/
BINFILES := $(usr/bin)uptime $(usr/bin)tload $(usr/bin)free $(usr/bin)w \
$(usr/bin)top $(usr/bin)vmstat $(usr/bin)watch $(usr/bin)skill \
$(usr/bin)snice $(bin)kill $(sbin)sysctl \
$(usr/proc/bin)pgrep $(usr/proc/bin)pkill
SCRFILES := $(etc/X11/applnk/Utilities)top.desktop $(usr/X11R6/bin)XConsole
MANFILES := $(man1)uptime.1 $(man1)tload.1 $(man1)free.1 $(man1)w.1 \
$(man1)top.1 $(man1)watch.1 $(man1)skill.1 $(man1)kill.1 \
$(man1)snice.1 $(man1)pgrep.1 $(man1)pkill.1 \
$(man5)sysctl.conf.5 $(man8)vmstat.8 $(man8)sysctl.8
CURSES := -I/usr/include/ncurses -lncurses
LDFLAGS := -Wl,-warn-common
CFLAGS := -D_GNU_SOURCE -O2 -g3 -fno-common -ffast-math -I proc \
-Wcast-align -Wconversion -Wredundant-decls \
-Wbad-function-cast -Wcast-qual -Wwrite-strings -Waggregate-return \
# -Wpadded -Wunreachable-code -Wdisabled-optimization \
-W -Wall -Wstrict-prototypes -Wshadow -Wmissing-prototypes
############ misc.
# free.c pmap.c sysctl.c uptime.c vmstat.c watch.c pgrep.c skill.c tload.c top.c w.c
# utmp.c oldtop.c tmp-junk.c minimal.c
.SUFFIXES:
.SUFFIXES: .a .o .c .s .h
.PHONY: all clean do_all install # ps
ALL := $(notdir $(BINFILES))
CLEAN := $(notdir $(BINFILES))
DIRS :=
INSTALL := $(BINFILES) $(MANFILES) $(SCRFILES)
# want this rule first, use := on ALL, and ALL not filled in yet
all: do_all
-include */module.mk
do_all: $(ALL)
junk := DEADJOE *~ *.o core gmon.out
# Remove $(junk) from all $(DIRS)
CLEAN += $(junk) $(foreach dir,$(DIRS),$(addprefix $(dir), $(junk)))
# Unfortunately the program and directory name are the same.
# So ps is a .PHONY that depends on ps/ps.
#ps: ps/ps
# @echo MAKEFILE WANTS TO MAKE PS
#
#SRC :=
#OBJ := $(patsubst %.c,%.o, $(filter %.c,$(SRC)))
#
#ifneq ($(MAKECMDGOALS),clean)
#-include $(OBJ:.o=.d)
#endif
#
#%.d: %.c
# depend.sh $(CFLAGS) $< > $@
clean:
rm -f $(CLEAN)
###### install
$(BINFILES) : $(@F)
$(install) --mode a=rx --strip $< $@
$(SCRFILES) : $(@F)
$(install) --mode a=rx $< $@
$(MANFILES) : $(@F)
$(install) --mode a=r $< $@
install: $(INSTALL)
cd $(usr/bin) && ($(ln-f) skill snice; $(ln-f) skill kill; $(ln-f) pgrep pkill)
############ prog.c --> prog.o
%.o : %.c
$(CC) $(CFLAGS) -c -o $@ $^
w.o: w.c
$(CC) $(CFLAGS) $(W_SHOWFROM) -c $<
############ prog.o --> prog
w uptime tload free vmstat utmp pgrep skill: % : %.o $(LIBPROC)
$(CC) $(LDFLAGS) -o $@ $^
top: % : %.o $(LIBPROC)
$(CC) $(LDFLAGS) -o $@ $^ $(CURSES)
watch: % : %.o
$(CC) $(LDFLAGS) -o $@ $^ $(CURSES)
############ progX --> progY
snice kill: skill
$(ln-f) skill $@
pkill: pgrep
$(ln-f) pgrep pkill
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