ref: 485b334608910bbf6930a4f52ca946ba092fad04
parent: 1a444750d6c331f8b96a8df986fbb239dd20d293
author: Amavect <amavect@gmail.com>
date: Sat Aug 28 09:15:02 EDT 2021
cmd/mkfile: major cleanup Target generation is revised, split into $YTARG and $TARG. $PROGS is inlined to the cmd target. %.cpus is added to allow chaining: mk all.cpus $POWERLESS is added, since dtracy doesn't build yet on ppc. $DIRS regexp is simplified, simplifing $NOMK. $cpuobjtype is replaced with cp's recipe for copying itself on $cputype. $APEDIRS is removed. The none target is renamed to usage, since it prints out usage. The ape target is removed. The dirs target is replaced by all.dirs %.directories is replaced by %.dirs The all target serializes directories after cmds to match the install target recipe. All regexp rules are replaced with nonregexp versions for clarity. The &:n: rule is removed. Just build the $O.$cmd file. .y files now build .c files, not .tab.c files, and remove (bc|units|mpc|pc).c:R: All safeinstall rules are removed. The cleanfiles rule is renamed to cleancmds and simplified. %.clean is removed. Just use mk cleancmds. The install rule serializes cp and yacc before building anything else, avoiding races. The installall recipe is simplified with the install.cpus prereq. %.installall is removed. Just use mk $cmd.install.cpus The $O.cj, %.update, and compilers rules are removed.
--- a/sys/src/cmd/mkfile
+++ b/sys/src/cmd/mkfile
@@ -1,74 +1,50 @@
</$objtype/mkfile
-TARG=`{ls *.[cy] | sed '/\.tab\.c$/d;s/..$//'}+YTARG=`{ls | sed -n '/\.y$/s/\.y$//p'}+TARG=$YTARG `{ls | sed -n '/^cp\.c$/d; /^yacc\.c$/d; /\.c$/s/\.c$//p'}HFILES=/$objtype/include/u.h /sys/include/libc.h /sys/include/bio.h
+
BIN=/$objtype/bin
-PROGS=${TARG:%=$O.%}LDFLAGS=
YFLAGS=-d
-NOTSYS=sml|dup|.+\..+
-PCONLY=|vmx
-NOMK=$NOTSYS`{~ $objtype (386 amd64) || echo $PCONLY}+PCONLY=vmx
+POWERLESS=dtracy # until someone fixes the build for power
+NOMK=`{~ $objtype (386 amd64) || echo $PCONLY} `{~ $objtype power && echo $POWERLESS}+DIRS=`{echo */mkfile | sed 's,/mkfile *,\n,g' | grep -v '-e^'^('' $NOMK)^'$'}-cpuobjtype=`{sed -n 's/^O=//p' /$cputype/mkfile}-DIRS=`{echo */mkfile | sed 's,/mkfile *,\n,g' | grep -v '^('$NOMK')$'}-APEDIRS=bzip2 compress cvs eqn grap gs links-ape lp pic postscript spin \
- tex troff
+usage:VQ:
+ echo 'usage: mk all, all.cpus, cmds, $O.$cmd'
+ echo ' install, install.cpus, $cmd.install, $cmd.install.cpus'
+ echo ' clean, nuke'
-none:VQ:
- echo usage: mk cmds, dirs, all, install, installall, '$O'.cmd, cmd.install, or cmd.installall
+%.c %.tab.h:D: %.y
+ yacc $YFLAGS -o $stem.c -s $stem $stem.y
-cmds:V: $PROGS
+%.$O: $HFILES
-ape:V: $APE
- for(i in $APEDIRS) @{- cd $i
- echo mk $i
- mk $MKFLAGS all
- }
+%.$O: %.c
+ $CC $CFLAGS $stem.c
-dirs:V:
- for(i in cc $DIRS) @{- cd $i
- echo mk $i
- mk $MKFLAGS all
- }
+$O.%: %.$O
+ $LD $LDFLAGS -o $target $stem.$O
-all:V: $PROGS dirs
+$BIN/%: $O.%
+ cp $O.$stem $target
-^([$OS])\.(.*):R: \2.\1
- $stem1^l $LDFLAGS -o $target $stem2.$stem1
+$BIN/cp: $O.cp
+ `{if(~ $objtype $cputype) echo ./$O.cp; if not echo cp} $prereq $target-.*\.[$OS]:R: $HFILES
+$BIN/init: $O.init # hack, install location is not target
+ cp $O.init /$objtype/init
-(.*)\.([$OS])'$':R: \1.c
- $stem2^c $CFLAGS $stem1.c
+%.acid: %.c $HFILES
+ $CC $CFLAGS -a $stem.c >$target
-&:n: $O.&
- mv $O.$stem $stem
+%.cpus:V:
+ for(objtype in $CPUS) mk $MKFLAGS $stem
-%.tab.h %.tab.c:D: %.y
- $YACC $YFLAGS -s $stem $prereq
-
-%.install:V: $BIN/%
-
-$cpuobjtype._cp: /bin/cp
- cp $prereq $target
-
-%.safeinstall: $O.% $cpuobjtype._cp
- test -e $BIN/$stem && mv $BIN/$stem $BIN/_$stem
- ./$cpuobjtype._cp $O.$stem $BIN/$stem
-
-%.safeinstallall:
- for(objtype in $CPUS)
- mk $stem.safeinstall
- mk $stem.clean
-
-$BIN/%: $O.% $cpuobjtype._cp
- ./$cpuobjtype._cp $O.$stem $BIN/$stem
-
-%.directories:V:
+%.dirs:V:
for(i in $DIRS) @{cd $i
echo mk $i
@@ -75,63 +51,24 @@
mk $MKFLAGS $stem
}
-clean:V: cleanfiles clean.directories
+cmds:V: $O.cp $O.yacc ${TARG:%=$O.%}-nuke:V: cleanfiles nuke.directories
+all:V: cmds
+ mk $MKFLAGS all.dirs
-directories:V: install.directories
+%.install:V: $BIN/%
-cleanfiles:V:
- rm -f [$OS].out *.[$OS] y.tab.? y.debug y.output [$OS].$TARG [$OS].units.tab $TARG bc.c bc.tab.h units.tab.h units.c mpc.c mpc.tab.h [$OS]._cp
-
-%.clean:V:
- rm -f [$OS].$stem $stem.[$OS]
-
-install:V:
- test -e $cpuobjtype._cp || cp /bin/cp $cpuobjtype._cp
+install:V: cp.install
+ mk $MKFLAGS yacc.install
mk $MKFLAGS $TARG.install
- mk $MKFLAGS directories
+ mk $MKFLAGS install.dirs
-installall:V:
- for(objtype in $CPUS)
- mk $MKFLAGS install
+installall:V: install.cpus
-%.installall: %.c
- test -e $cpuobjtype._cp || cp /bin/cp $cpuobjtype._cp
- for (objtype in $CPUS) {- rfork e
- mk $stem.install &
- }
- wait
- rm -f $stem.[$OS] y.tab.? $stem.tab.? y.debug y.output [$OS].$stem bc.c bc.tab.h units.c mpc.c
+cleancmds:V:
+ rm -f *.[$OS] [$OS].* y.tab.? y.debug y.output $YTARG.c *.tab.h
-%.acid: %.$O $HFILES
- $CC $CFLAGS -a $stem.c >$target
+clean:V: cleancmds clean.dirs
-(bc|units|mpc|pc).c:R: \1.tab.c
- mv $stem1.tab.c $stem1.c
-
-$BIN/init: $O.init
- cp $prereq /$objtype/init
-
-$O.cj: cj.$O
- $LD $LDFLAGS -o $O.cj cj.$O /$objtype/lib/libjpg.a
-
-%.update:V:
- update $stem.c /386/bin/$stem
-
-compilers:V:
- for(i in ?c)
- if(! ~ $i cc rc) @{- cd $i
- mk clean
- objtype=$cputype mk install
- mk clean
- }
- for(i in ?c)
- if(! ~ $i cc rc) @{- cd $i
- mk clean
- mk installall
- mk clean
- }
+nuke:V: cleancmds nuke.dirs
+ rm -f *.acid