Gecko [ www.smkibnusinagenteng.sch.id ]

Name	Size	Permission
7za	49 B	-rwxr-xr-x
[	51.8 KB	-rwxr-xr-x
aclocal	35.52 KB	-rwxr-xr-x
aclocal-1.16	35.52 KB	-rwxr-xr-x
addr2line	27.75 KB	-rwxr-xr-x
ar	55.98 KB	-rwxr-xr-x
arch	31.66 KB	-rwxr-xr-x
arpaname	15.11 KB	-rwxr-xr-x
as	710.32 KB	-rwxr-xr-x
aspell	151.12 KB	-rwxr-xr-x
autoconf	14.42 KB	-rwxr-xr-x
autoheader	8.33 KB	-rwxr-xr-x
autom4te	31.43 KB	-rwxr-xr-x
automake	251.93 KB	-rwxr-xr-x
automake-1.16	251.93 KB	-rwxr-xr-x
autoreconf	20.57 KB	-rwxr-xr-x
autoscan	16.72 KB	-rwxr-xr-x
autoupdate	33.08 KB	-rwxr-xr-x
awk	698.17 KB	-rwxr-xr-x
b2sum	51.79 KB	-rwxr-xr-x
base32	35.69 KB	-rwxr-xr-x
base64	35.7 KB	-rwxr-xr-x
basename	35.67 KB	-rwxr-xr-x
basenc	48.02 KB	-rwxr-xr-x
bash	1.32 MB	-rwxr-xr-x
bashbug-64	6.91 KB	-rwxr-xr-x
bison	494.76 KB	-rwxr-xr-x
bunzip2	39.62 KB	-rwxr-xr-x
bzcat	39.62 KB	-rwxr-xr-x
bzcmp	2.09 KB	-rwxr-xr-x
bzdiff	2.09 KB	-rwxr-xr-x
bzgrep	2.01 KB	-rwxr-xr-x
bzip2	39.62 KB	-rwxr-xr-x
bzip2recover	15.4 KB	-rwxr-xr-x
bzless	1.23 KB	-rwxr-xr-x
bzmore	1.23 KB	-rwxr-xr-x
c++	1.05 MB	-rwxr-xr-x
c++filt	27.19 KB	-rwxr-xr-x
cagefs_enter.proxied	1.27 KB	-rwxr-xr-x
cal	52.01 KB	-rwxr-xr-x
captoinfo	87.79 KB	-rwxr-xr-x
cat	35.66 KB	-rwxr-xr-x
catchsegv	3.21 KB	-rwxr-xr-x
ccmake	6.96 MB	-rwxr-xr-x
chcon	60.24 KB	-rwxr-xr-x
chgrp	56.19 KB	-rwxr-xr-x
chmod	56.16 KB	-rwxr-xr-x
chown	60.19 KB	-rwxr-xr-x
chrt	27.48 KB	-rwxr-xr-x
cksum	35.57 KB	-rwxr-xr-x
cldetect	10.34 KB	-rwxr-xr-x
clear	15.15 KB	-rwxr-xr-x
cloudlinux-awp-user	1.78 KB	-rwxr-xr-x
clwpos-user	1.78 KB	-rwxr-xr-x
cmake	7.45 MB	-rwxr-xr-x
cmp	40.13 KB	-rwxr-xr-x
col	23.41 KB	-rwxr-xr-x
colcrt	15.38 KB	-rwxr-xr-x
colrm	15.36 KB	-rwxr-xr-x
column	35.52 KB	-rwxr-xr-x
comm	35.75 KB	-rwxr-xr-x
cp	149.24 KB	-rwxr-xr-x
cpack	7.35 MB	-rwxr-xr-x
cpp	1.05 MB	-rwxr-xr-x
csplit	108.88 KB	-rwxr-xr-x
ctest	8.31 MB	-rwxr-xr-x
curl	248.48 KB	-rwxr-xr-x
cut	47.8 KB	-rwxr-xr-x
cyrusbdb2current	1.58 MB	-rwxr-xr-x
date	104.05 KB	-rwxr-xr-x
dbiprof	6.06 KB	-rwxr-xr-x
delv	45.38 KB	-rwxr-xr-x
df	84.73 KB	-rwxr-xr-x
diff	194.7 KB	-rwxr-xr-x
diff3	52.3 KB	-rwxr-xr-x
dig	136.59 KB	-rwxr-xr-x
dir	137.65 KB	-rwxr-xr-x
dircolors	39.8 KB	-rwxr-xr-x
dirname	31.48 KB	-rwxr-xr-x
dltest	15.68 KB	-rwxr-xr-x
dnstap-read	23.19 KB	-rwxr-xr-x
du	149.44 KB	-rwxr-xr-x
echo	35.48 KB	-rwxr-xr-x
ed	52.51 KB	-rwxr-xr-x
egrep	32 B	-rwxr-xr-x
enchant	23.73 KB	-rwxr-xr-x
enchant-lsmod	15.8 KB	-rwxr-xr-x
env	44.23 KB	-rwxr-xr-x
eps2eps	643 B	-rwxr-xr-x
eqn	189.52 KB	-rwxr-xr-x
ex	1.38 MB	-rwxr-xr-x
expand	39.73 KB	-rwxr-xr-x
expr	108.6 KB	-rwxr-xr-x
factor	72.05 KB	-rwxr-xr-x
false	27.47 KB	-rwxr-xr-x
fc-cache	139 B	-rwxr-xr-x
fc-cache-64	23.17 KB	-rwxr-xr-x
fc-cat	19.16 KB	-rwxr-xr-x
fc-conflist	15.13 KB	-rwxr-xr-x
fc-list	15.13 KB	-rwxr-xr-x
fc-match	15.13 KB	-rwxr-xr-x
fc-pattern	15.14 KB	-rwxr-xr-x
fc-query	15.13 KB	-rwxr-xr-x
fc-scan	15.14 KB	-rwxr-xr-x
fc-validate	15.14 KB	-rwxr-xr-x
fgrep	32 B	-rwxr-xr-x
file	27.74 KB	-rwxr-xr-x
find	284.95 KB	-rwxr-xr-x
flex	412.64 KB	-rwxr-xr-x
flex++	412.64 KB	-rwxr-xr-x
flock	23.56 KB	-rwxr-xr-x
fmt	39.77 KB	-rwxr-xr-x
fold	39.71 KB	-rwxr-xr-x
free	23.36 KB	-rwxr-xr-x
funzip	31.25 KB	-rwxr-xr-x
g++	1.05 MB	-rwxr-xr-x
gawk	698.17 KB	-rwxr-xr-x
gcc-ar	27.67 KB	-rwxr-xr-x
gcc-nm	27.64 KB	-rwxr-xr-x
gcc-ranlib	27.67 KB	-rwxr-xr-x
gcov-dump	291.77 KB	-rwxr-xr-x
gcov-tool	320.46 KB	-rwxr-xr-x
gem	542 B	-rwxr-xr-x
gencat	27.45 KB	-rwxr-xr-x
geoiplookup	15.86 KB	-rwxr-xr-x
geoiplookup6	15.81 KB	-rwxr-xr-x
geqn	189.52 KB	-rwxr-xr-x
getconf	35.23 KB	-rwxr-xr-x
getent	35.86 KB	-rwxr-xr-x
getopt	23.45 KB	-rwxr-xr-x
ghostscript	15.13 KB	-rwxr-xr-x
gifdiff	55.9 KB	-rwxr-xr-x
gifsicle	194.05 KB	-rwxr-xr-x
git	4.06 MB	-rwxr-xr-x
git-receive-pack	4.06 MB	-rwxr-xr-x
git-shell	770.68 KB	-rwxr-xr-x
git-upload-archive	4.06 MB	-rwxr-xr-x
git-upload-pack	4.06 MB	-rwxr-xr-x
gm	15.67 KB	-rwxr-xr-x
gmake	249.8 KB	-rwxr-xr-x
gneqn	916 B	-rwxr-xr-x
gnroff	3.21 KB	-rwxr-xr-x
gpg	1.07 MB	-rwxr-xr-x
gpg-agent	342.27 KB	-rwxr-xr-x
gpg-error	36.1 KB	-rwxr-xr-x
gpgsplit	27.5 KB	-rwxr-xr-x
gpgv	295.43 KB	-rwxr-xr-x
gpic	201.72 KB	-rwxr-xr-x
gprof	101.48 KB	-rwxr-xr-x
grep	154.49 KB	-rwxr-xr-x
groff	96.77 KB	-rwxr-xr-x
grops	167.26 KB	-rwxr-xr-x
grotty	122.2 KB	-rwxr-xr-x
groups	35.66 KB	-rwxr-xr-x
gs	15.13 KB	-rwxr-xr-x
gsnd	281 B	-rwxr-xr-x
gtar	518.16 KB	-rwxr-xr-x
gtbl	130.86 KB	-rwxr-xr-x
gtroff	732.07 KB	-rwxr-xr-x
gunzip	2.29 KB	-rwxr-xr-x
gzexe	6.3 KB	-rwxr-xr-x
gzip	89.63 KB	-rwxr-xr-x
hdu	18.09 KB	-rwxr-xr-x
head	43.8 KB	-rwxr-xr-x
hexdump	51.59 KB	-rwxr-xr-x
host	108.57 KB	-rwxr-xr-x
hostid	31.66 KB	-rwxr-xr-x
hostname	23.84 KB	-rwxr-xr-x
hunspell	102.67 KB	-rwxr-xr-x
iconv	64.09 KB	-rwxr-xr-x
id	39.71 KB	-rwxr-xr-x
idn	35.8 KB	-rwxr-xr-x
ifnames	4.03 KB	-rwxr-xr-x
infocmp	63.68 KB	-rwxr-xr-x
infotocap	87.79 KB	-rwxr-xr-x
install	149.29 KB	-rwxr-xr-x
ionice	15.4 KB	-rwxr-xr-x
ipcrm	19.41 KB	-rwxr-xr-x
ipcs	39.52 KB	-rwxr-xr-x
isosize	15.34 KB	-rwxr-xr-x
ispell	992 B	-rwxr-xr-x
isql	40.01 KB	-rwxr-xr-x
iusql	31.95 KB	-rwxr-xr-x
join	51.9 KB	-rwxr-xr-x
jpegoptim	48.83 KB	-rwxr-xr-x
kill	31.47 KB	-rwxr-xr-x
ld	1.71 MB	-rwxr-xr-x
ld.bfd	1.71 MB	-rwxr-xr-x
ldd	5.32 KB	-rwxr-xr-x
less	197.7 KB	-rwxr-xr-x
lessecho	15.17 KB	-rwxr-xr-x
lesskey	24.61 KB	-rwxr-xr-x
lesspipe.sh	3.5 KB	-rwxr-xr-x
lex	412.64 KB	-rwxr-xr-x
link	31.66 KB	-rwxr-xr-x
ln	60.16 KB	-rwxr-xr-x
locale	59.08 KB	-rwxr-xr-x
localedef	314.06 KB	-rwxr-xr-x
logger	36.16 KB	-rwxr-xr-x
login	43.62 KB	-rwxr-xr-x
logname	31.66 KB	-rwxr-xr-x
look	19.36 KB	-rwxr-xr-x
ls	137.64 KB	-rwxr-xr-x
lto-dump	26.59 MB	-rwxr-xr-x
m4	240.4 KB	-rwxr-xr-x
make	249.8 KB	-rwxr-xr-x
make-dummy-cert	614 B	-rwxr-xr-x
mariadb	5.12 MB	-rwxr-xr-x
mariadb-access	109.48 KB	-rwxr-xr-x
mariadb-admin	4.89 MB	-rwxr-xr-x
mariadb-binlog	5.16 MB	-rwxr-xr-x
mariadb-check	4.89 MB	-rwxr-xr-x
mariadb-conv	4.6 MB	-rwxr-xr-x
mariadb-convert-table-format	4.28 KB	-rwxr-xr-x
mariadb-dump	4.99 MB	-rwxr-xr-x
mariadb-dumpslow	8.19 KB	-rwxr-xr-x
mariadb-embedded	24.72 MB	-rwxr-xr-x
mariadb-find-rows	3.35 KB	-rwxr-xr-x
mariadb-hotcopy	34.67 KB	-rwxr-xr-x
mariadb-import	5 MB	-rwxr-xr-x
mariadb-plugin	4.58 MB	-rwxr-xr-x
mariadb-secure-installation	13.66 KB	-rwxr-xr-x
mariadb-setpermission	17.7 KB	-rwxr-xr-x
mariadb-show	4.88 MB	-rwxr-xr-x
mariadb-slap	4.89 MB	-rwxr-xr-x
mariadb-tzinfo-to-sql	4.57 MB	-rwxr-xr-x
mariadb-waitpid	4.56 MB	-rwxr-xr-x
mc	1.22 MB	-rwxr-xr-x
mcdiff	1.22 MB	-rwxr-xr-x
mcedit	1.22 MB	-rwxr-xr-x
mcookie	27.5 KB	-rwxr-xr-x
mcview	1.22 MB	-rwxr-xr-x
md5sum	39.64 KB	-rwxr-xr-x
mesg	15.33 KB	-rwxr-xr-x
mkdir	68.31 KB	-rwxr-xr-x
mkfifo	39.83 KB	-rwxr-xr-x
mknod	43.88 KB	-rwxr-xr-x
mktemp	39.8 KB	-rwxr-xr-x
more	43.63 KB	-rwxr-xr-x
msql2mysql	1.42 KB	-rwxr-xr-x
mv	141.17 KB	-rwxr-xr-x
my_print_defaults	4.56 MB	-rwxr-xr-x
mysql	5.12 MB	-rwxr-xr-x
mysql_config	4.47 KB	-rwxr-xr-x
mysql_find_rows	3.35 KB	-rwxr-xr-x
mysql_waitpid	4.56 MB	-rwxr-xr-x
mysqlaccess	109.48 KB	-rwxr-xr-x
mysqladmin	4.89 MB	-rwxr-xr-x
mysqlbinlog	5.16 MB	-rwxr-xr-x
mysqlcheck	4.89 MB	-rwxr-xr-x
mysqldump	4.99 MB	-rwxr-xr-x
mysqlimport	5 MB	-rwxr-xr-x
mysqlshow	4.88 MB	-rwxr-xr-x
mytop	72.03 KB	-rwxr-xr-x
namei	23.41 KB	-rwxr-xr-x
nano	346.2 KB	-rwxr-xr-x
neqn	916 B	-rwxr-xr-x
nice	35.67 KB	-rwxr-xr-x
nl	100.71 KB	-rwxr-xr-x
nm	44.73 KB	-rwxr-xr-x
nohup	35.58 KB	-rwxr-xr-x
nproc	35.69 KB	-rwxr-xr-x
nroff	3.21 KB	-rwxr-xr-x
nslookup	112.52 KB	-rwxr-xr-x
nsupdate	71.8 KB	-rwxr-xr-x
numfmt	55.83 KB	-rwxr-xr-x
objcopy	185.37 KB	-rwxr-xr-x
objdump	413.11 KB	-rwxr-xr-x
od	64.06 KB	-rwxr-xr-x
odbc_config	15.7 KB	-rwxr-xr-x
odbcinst	23.9 KB	-rwxr-xr-x
openssl	1.07 MB	-rwxr-xr-x
optipng	92.02 KB	-rwxr-xr-x
pango-list	19.11 KB	-rwxr-xr-x
pango-segmentation	19.13 KB	-rwxr-xr-x
pango-view	60.17 KB	-rwxr-xr-x
passwd	1.26 KB	-rwxr-xr-x
paste	35.58 KB	-rwxr-xr-x
patch	195.02 KB	-rwxr-xr-x
pathchk	35.66 KB	-rwxr-xr-x
pdf2dsc	701 B	-rwxr-xr-x
pdf2ps	913 B	-rwxr-xr-x
perldoc	118 B	-rwxr-xr-x
pgrep	31.42 KB	-rwxr-xr-x
php	10.11 MB	-rwxr-xr-x
php-cgi	10.1 MB	-rwxr-xr-x
phpize	4.97 KB	-rwxr-xr-x
pic	201.72 KB	-rwxr-xr-x
piconv	8.08 KB	-rwxr-xr-x
ping	89.33 KB	-rwxr-xr-x
pinky	35.61 KB	-rwxr-xr-x
pkg-config	335 B	-rwxr-xr-x
pkill	31.42 KB	-rwxr-xr-x
pmap	35.39 KB	-rwxr-xr-x
pod2man	14.68 KB	-rwxr-xr-x
pod2text	10.55 KB	-rwxr-xr-x
pod2usage	4.01 KB	-rwxr-xr-x
post-grohtml	199.76 KB	-rwxr-xr-x
pr	72.28 KB	-rwxr-xr-x
pre-grohtml	92.92 KB	-rwxr-xr-x
precat	5.53 KB	-rwxr-xr-x
preunzip	5.53 KB	-rwxr-xr-x
prezip	5.53 KB	-rwxr-xr-x
prezip-bin	15.69 KB	-rwxr-xr-x
printenv	31.47 KB	-rwxr-xr-x
printf	51.77 KB	-rwxr-xr-x
ps	141.15 KB	-rwxr-xr-x
ps2ascii	635 B	-rwxr-xr-x
ps2epsi	1.24 KB	-rwxr-xr-x
ps2pdf	276 B	-rwxr-xr-x
ps2pdf12	219 B	-rwxr-xr-x
ps2pdf13	219 B	-rwxr-xr-x
ps2pdf14	219 B	-rwxr-xr-x
ps2pdfwr	1.06 KB	-rwxr-xr-x
ps2ps	651 B	-rwxr-xr-x
ps2ps2	673 B	-rwxr-xr-x
ptx	129.03 KB	-rwxr-xr-x
pwd	35.7 KB	-rwxr-xr-x
pwdx	15.28 KB	-rwxr-xr-x
pydoc	78 B	-rwxr-xr-x
pydoc3	78 B	-rwxr-xr-x
pydoc3.9	78 B	-rwxr-xr-x
python	15.09 KB	-rwxr-xr-x
python3	15.09 KB	-rwxr-xr-x
python3.9	15.09 KB	-rwxr-xr-x
ranlib	56 KB	-rwxr-xr-x
readelf	667.29 KB	-rwxr-xr-x
readlink	39.69 KB	-rwxr-xr-x
realpath	39.77 KB	-rwxr-xr-x
recode	31.93 KB	-rwxr-xr-x
red	92 B	-rwxr-xr-x
rename	23.41 KB	-rwxr-xr-x
renew-dummy-cert	729 B	-rwxr-xr-x
renice	15.36 KB	-rwxr-xr-x
replace	4.54 MB	-rwxr-xr-x
reset	27.34 KB	-rwxr-xr-x
restic	28.4 MB	-rwx------
rev	15.35 KB	-rwxr-xr-x
rm	60.21 KB	-rwxr-xr-x
rmdir	43.61 KB	-rwxr-xr-x
rnano	346.2 KB	-rwxr-xr-x
rsync	559.16 KB	-rwxr-xr-x
rsync-ssl	5.01 KB	-rwxr-xr-x
ruby	15.27 KB	-rwxr-xr-x
run-with-aspell	89 B	-rwxr-xr-x
runcon	35.65 KB	-rwxr-xr-x
rvi	1.38 MB	-rwxr-xr-x
rview	1.38 MB	-rwxr-xr-x
rvim	3.84 MB	-rwxr-xr-x
scalar	819.34 KB	-rwxr-xr-x
scl	39.55 KB	-rwxr-xr-x
scl_enabled	262 B	-rwxr-xr-x
scl_source	1.88 KB	-rwxr-xr-x
scp	132.93 KB	-rwxr-xr-x
script	51.75 KB	-rwxr-xr-x
sdiff	44.2 KB	-rwxr-xr-x
sed	114.01 KB	-rwxr-xr-x
selectorctl	7.63 KB	-rwxr-xr-x
seq	47.79 KB	-rwxr-xr-x
setsid	15.34 KB	-rwxr-xr-x
setterm	35.52 KB	-rwxr-xr-x
sftp	140.93 KB	-rwxr-xr-x
sh	1.32 MB	-rwxr-xr-x
sha1sum	39.64 KB	-rwxr-xr-x
sha224sum	39.64 KB	-rwxr-xr-x
sha256sum	39.64 KB	-rwxr-xr-x
sha384sum	39.64 KB	-rwxr-xr-x
sha512sum	39.64 KB	-rwxr-xr-x
shred	51.88 KB	-rwxr-xr-x
shuf	48.01 KB	-rwxr-xr-x
size	31.61 KB	-rwxr-xr-x
skill	31.4 KB	-rwxr-xr-x
slabtop	23.42 KB	-rwxr-xr-x
sleep	35.65 KB	-rwxr-xr-x
slencheck	15.71 KB	-rwxr-xr-x
snice	31.4 KB	-rwxr-xr-x
sort	113.09 KB	-rwxr-xr-x
spell	125 B	-rwxr-xr-x
split	52.31 KB	-rwxr-xr-x
sprof	35.45 KB	-rwxr-xr-x
sqlite3	1.54 MB	-rwxr-xr-x
ssh	843.39 KB	-rwxr-xr-x
ssh-add	164.73 KB	-rwxr-xr-x
ssh-agent	280.88 KB	-rwxr-xr-x
ssh-copy-id	12.38 KB	-rwxr-xr-x
ssh-keygen	454.85 KB	-rwxr-xr-x
ssh-keyscan	197.29 KB	-rwxr-xr-x
stat	80.06 KB	-rwxr-xr-x
stdbuf	43.74 KB	-rwxr-xr-x
strace	2.08 MB	-rwxr-xr-x
strings	31.74 KB	-rwxr-xr-x
strip	185.37 KB	-rwxr-xr-x
stty	75.83 KB	-rwxr-xr-x
sum	35.59 KB	-rwxr-xr-x
svn	445.38 KB	-rwxr-xr-x
svnadmin	135.74 KB	-rwxr-xr-x
svndumpfilter	43.48 KB	-rwxr-xr-x
svnfsfs	43.37 KB	-rwxr-xr-x
svnlook	91.56 KB	-rwxr-xr-x
svnrdump	55.57 KB	-rwxr-xr-x
svnserve	112.25 KB	-rwxr-xr-x
svnsync	67.74 KB	-rwxr-xr-x
svnversion	15.13 KB	-rwxr-xr-x
sync	35.54 KB	-rwxr-xr-x
tabs	19.16 KB	-rwxr-xr-x
tac	104.6 KB	-rwxr-xr-x
tail	68.09 KB	-rwxr-xr-x
tar	518.16 KB	-rwxr-xr-x
taskset	23.41 KB	-rwxr-xr-x
tbl	130.86 KB	-rwxr-xr-x
tclsh	15.69 KB	-rwxr-xr-x
tclsh8.6	15.69 KB	-rwxr-xr-x
tee	35.69 KB	-rwxr-xr-x
test	43.79 KB	-rwxr-xr-x
tic	87.79 KB	-rwxr-xr-x
timeout	40.17 KB	-rwxr-xr-x
tload	19.34 KB	-rwxr-xr-x
tmpwatch	36.03 KB	-rwxr-xr-x
toe	23.23 KB	-rwxr-xr-x
top	132.27 KB	-rwxr-xr-x
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Code Editor : aclocal

#!/usr/bin/perl -w
# aclocal - create aclocal.m4 by scanning configure.ac      -*- perl -*-
# Generated from bin/aclocal.in; do not edit by hand.
# Copyright (C) 1996-2020 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

# Written by Tom Tromey <tromey@redhat.com>, and
# Alexandre Duret-Lutz <adl@gnu.org>.

BEGIN
{
  unshift (@INC, '/usr/share/automake-1.16')
    unless $ENV{AUTOMAKE_UNINSTALLED};
}

use strict;

use Automake::Config;
use Automake::General;
use Automake::Configure_ac;
use Automake::Channels;
use Automake::ChannelDefs;
use Automake::XFile;
use Automake::FileUtils;
use File::Basename;
use File::Path ();

# Some globals.

# Support AC_CONFIG_MACRO_DIRS also with older autoconf.
# FIXME: To be removed in Automake 2.0, once we can assume autoconf
#        2.70 or later.
# FIXME: keep in sync with 'internal/ac-config-macro-dirs.m4'.
my $ac_config_macro_dirs_fallback =
  'm4_ifndef([AC_CONFIG_MACRO_DIRS], [' .
    'm4_defun([_AM_CONFIG_MACRO_DIRS], [])' .
    'm4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])' .
  '])';

# We do not operate in threaded mode.
$perl_threads = 0;

# Include paths for searching macros.  We search macros in this order:
# user-supplied directories first, then the directory containing the
# automake macros, and finally the system-wide directories for
# third-party macros.
# @user_includes can be augmented with -I or AC_CONFIG_MACRO_DIRS.
# @automake_includes can be reset with the '--automake-acdir' option.
# @system_includes can be augmented with the 'dirlist' file or the
# ACLOCAL_PATH environment variable, and reset with the '--system-acdir'
# option.
my @user_includes = ();
my @automake_includes = ('/usr/share/aclocal-' . $APIVERSION);
my @system_includes = ('/usr/share/aclocal');

# Whether we should copy M4 file in $user_includes[0].
my $install = 0;

# --diff
my @diff_command;

# --dry-run
my $dry_run = 0;

# configure.ac or configure.in.
my $configure_ac;

# Output file name.
my $output_file = 'aclocal.m4';

# Option --force.
my $force_output = 0;

# Modification time of the youngest dependency.
my $greatest_mtime = 0;

# Which macros have been seen.
my %macro_seen = ();

# Remember the order into which we scanned the files.
# It's important to output the contents of aclocal.m4 in the opposite order.
# (Definitions in first files we have scanned should override those from
# later files.  So they must appear last in the output.)
my @file_order = ();

# Map macro names to file names.
my %map = ();

# Ditto, but records the last definition of each macro as returned by --trace.
my %map_traced_defs = ();

# Map basenames to macro names.
my %invmap = ();

# Map file names to file contents.
my %file_contents = ();

# Map file names to file types.
my %file_type = ();
use constant FT_USER => 1;
use constant FT_AUTOMAKE => 2;
use constant FT_SYSTEM => 3;

# Map file names to included files (transitively closed).
my %file_includes = ();

# Files which have already been added.
my %file_added = ();

# Files that have already been scanned.
my %scanned_configure_dep = ();

# Serial numbers, for files that have one.
# The key is the basename of the file,
# the value is the serial number represented as a list.
my %serial = ();

# Matches a macro definition.
#   AC_DEFUN([macroname], ...)
# or
#   AC_DEFUN(macroname, ...)
# When macroname is '['-quoted , we accept any character in the name,
# except ']'.  Otherwise macroname stops on the first ']', ',', ')',
# or '\n' encountered.
my $ac_defun_rx =
  "(?:AU_ALIAS|A[CU]_DEFUN|AC_DEFUN_ONCE)\\((?:\\[([^]]+)\\]|([^],)\n]+))";

# Matches an AC_REQUIRE line.
my $ac_require_rx = "AC_REQUIRE\$(?:\\[([^]]+)\\]|([^],)\n]+))\$";

# Matches an m4_include line.
my $m4_include_rx = "(m4_|m4_s|s)include\$(?:\\[([^]]+)\\]|([^],)\n]+))\$";

# Match a serial number.
my $serial_line_rx = '^#\s*serial\s+(\S*)';
my $serial_number_rx = '^\d+(?:\.\d+)*$';

# Autoconf version.  This variable is set by 'trace_used_macros'.
my $ac_version;

# User directory containing extra m4 files for macros definition,
# as extracted from calls to the macro AC_CONFIG_MACRO_DIRS.
# This variable is updated by 'trace_used_macros'.
my @ac_config_macro_dirs;

# If set, names a temporary file that must be erased on abnormal exit.
my $erase_me;

# Constants for the $ERR_LEVEL parameter of the 'scan_m4_dirs' function.
use constant SCAN_M4_DIRS_SILENT => 0;
use constant SCAN_M4_DIRS_WARN => 1;
use constant SCAN_M4_DIRS_ERROR => 2;

################################################################

# Prototypes for all subroutines.

sub add_file ($);
sub add_macro ($);
sub check_acinclude ();
sub install_file ($$);
sub list_compare (\@\@);
sub parse_ACLOCAL_PATH ();
sub parse_arguments ();
sub reset_maps ();
sub scan_configure ();
sub scan_configure_dep ($);
sub scan_file ($$$);
sub scan_m4_dirs ($$@);
sub scan_m4_files ();
sub strip_redundant_includes (%);
sub trace_used_macros ();
sub unlink_tmp (;$);
sub usage ($);
sub version ();
sub write_aclocal ($@);
sub xmkdir_p ($);

################################################################

# Erase temporary file ERASE_ME.  Handle signals.
sub unlink_tmp (;$)
{
  my ($sig) = @_;

if ($sig)
    {
      verb "caught SIG$sig, bailing out";
    }
  if (defined $erase_me && -e $erase_me && !unlink ($erase_me))
    {
      fatal "could not remove '$erase_me': $!";
    }
  undef $erase_me;

# reraise default handler.
  if ($sig)
    {
      $SIG{$sig} = 'DEFAULT';
      kill $sig => $$;
    }
}

$SIG{'INT'} = $SIG{'TERM'} = $SIG{'QUIT'} = $SIG{'HUP'} = 'unlink_tmp';
END { unlink_tmp }

sub xmkdir_p ($)
{
  my $dir = shift;
  local $@ = undef;
  return
    if -d $dir or eval { File::Path::mkpath $dir };
  chomp $@;
  $@ =~ s/\s+at\s.*\bline\s\d+.*$//;
  fatal "could not create directory '$dir': $@";
}

# Check macros in acinclude.m4.  If one is not used, warn.
sub check_acinclude ()
{
  foreach my $key (keys %map)
    {
      # FIXME: should print line number of acinclude.m4.
      msg ('syntax', "macro '$key' defined in acinclude.m4 but never used")
	if $map{$key} eq 'acinclude.m4' && ! exists $macro_seen{$key};
    }
}

sub reset_maps ()
{
  $greatest_mtime = 0;
  %macro_seen = ();
  @file_order = ();
  %map = ();
  %map_traced_defs = ();
  %file_contents = ();
  %file_type = ();
  %file_includes = ();
  %file_added = ();
  %scanned_configure_dep = ();
  %invmap = ();
  %serial = ();
  undef &search;
}

# install_file ($SRC, $DESTDIR)
sub install_file ($$)
{
  my ($src, $destdir) = @_;
  my $dest = $destdir . "/" . basename ($src);
  my $diff_dest;

verb "installing $src to $dest";

if ($force_output
      || !exists $file_contents{$dest}
      || $file_contents{$src} ne $file_contents{$dest})
    {
      if (-e $dest)
	{
	  msg 'note', "overwriting '$dest' with '$src'";
	  $diff_dest = $dest;
	}
      else
	{
	  msg 'note', "installing '$dest' from '$src'";
	}

if (@diff_command)
	{
	  if (! defined $diff_dest)
	    {
	      # $dest does not exist.  We create an empty one just to
	      # run diff, and we erase it afterward.  Using the real
	      # the destination file (rather than a temporary file) is
	      # good when diff is run with options that display the
	      # file name.
	      #
	      # If creating $dest fails, fall back to /dev/null.  At
	      # least one diff implementation (Tru64's) cannot deal
	      # with /dev/null.  However working around this is not
	      # worth the trouble since nobody run aclocal on a
	      # read-only tree anyway.
	      $erase_me = $dest;
	      my $f = new IO::File "> $dest";
	      if (! defined $f)
		{
		  undef $erase_me;
		  $diff_dest = '/dev/null';
		}
	      else
		{
		  $diff_dest = $dest;
		  $f->close;
		}
	    }
	  my @cmd = (@diff_command, $diff_dest, $src);
	  $! = 0;
	  verb "running: @cmd";
	  my $res = system (@cmd);
	  Automake::FileUtils::handle_exec_errors "@cmd", 1
	    if $res;
	  unlink_tmp;
	}
      elsif (!$dry_run)
	{
          xmkdir_p ($destdir);
	  xsystem ('cp', $src, $dest);
	}
    }
}

# Compare two lists of numbers.
sub list_compare (\@\@)
{
  my @l = @{$_[0]};
  my @r = @{$_[1]};
  while (1)
    {
      if (0 == @l)
	{
	  return (0 == @r) ? 0 : -1;
	}
      elsif (0 == @r)
	{
	  return 1;
	}
      elsif ($l[0] < $r[0])
	{
	  return -1;
	}
      elsif ($l[0] > $r[0])
	{
	  return 1;
	}
      shift @l;
      shift @r;
    }
}

################################################################

# scan_m4_dirs($TYPE, $ERR_LEVEL, @DIRS)
# -----------------------------------------------
# Scan all M4 files installed in @DIRS for new macro definitions.
# Register each file as of type $TYPE (one of the FT_* constants).
# If a directory in @DIRS cannot be read:
#  - fail hard                if $ERR_LEVEL == SCAN_M4_DIRS_ERROR
#  - just print a warning     if $ERR_LEVEL == SCAN_M4_DIRS_WA
#  - continue silently        if $ERR_LEVEL == SCAN_M4_DIRS_SILENT
sub scan_m4_dirs ($$@)
{
  my ($type, $err_level, @dirlist) = @_;

foreach my $m4dir (@dirlist)
    {
      if (! opendir (DIR, $m4dir))
	{
	  # TODO: maybe avoid complaining only if errno == ENONENT?
          my $message = "couldn't open directory '$m4dir': $!";

if ($err_level == SCAN_M4_DIRS_ERROR)
            {
              fatal $message;
            }
          elsif ($err_level == SCAN_M4_DIRS_WARN)
            {
              msg ('unsupported', $message);
              next;
            }
          elsif ($err_level == SCAN_M4_DIRS_SILENT)
            {
              next; # Silently ignore.
            }
          else
            {
               prog_error "invalid \$err_level value '$err_level'";
            }
	}

# We reverse the directory contents so that foo2.m4 gets
      # used in preference to foo1.m4.
      foreach my $file (reverse sort grep (! /^\./, readdir (DIR)))
	{
	  # Only examine .m4 files.
	  next unless $file =~ /\.m4$/;

# Skip some files when running out of srcdir.
	  next if $file eq 'aclocal.m4';

my $fullfile = File::Spec->canonpath ("$m4dir/$file");
	  scan_file ($type, $fullfile, 'aclocal');
	}
      closedir (DIR);
    }
}

# Scan all the installed m4 files and construct a map.
sub scan_m4_files ()
{
  # First, scan configure.ac.  It may contain macro definitions,
  # or may include other files that define macros.
  scan_file (FT_USER, $configure_ac, 'aclocal');

# Then, scan acinclude.m4 if it exists.
  if (-f 'acinclude.m4')
    {
      scan_file (FT_USER, 'acinclude.m4', 'aclocal');
    }

# Finally, scan all files in our search paths.

if (@user_includes)
    {
      # Don't explore the same directory multiple times.  This is here not
      # only for speedup purposes.  We need this when the user has e.g.
      # specified 'ACLOCAL_AMFLAGS = -I m4' and has also set
      # AC_CONFIG_MACRO_DIR[S]([m4]) in configure.ac.  This makes the 'm4'
      # directory to occur twice here and fail on the second call to
      # scan_m4_dirs([m4]) when the 'm4' directory doesn't exist.
      # TODO: Shouldn't there be rather a check in scan_m4_dirs for
      #       @user_includes[0]?
      @user_includes = uniq @user_includes;

# Don't complain if the first user directory doesn't exist, in case
      # we need to create it later (can happen if '--install' was given).
      scan_m4_dirs (FT_USER,
                    $install ? SCAN_M4_DIRS_SILENT : SCAN_M4_DIRS_WARN,
                    $user_includes[0]);
      scan_m4_dirs (FT_USER,
                    SCAN_M4_DIRS_ERROR,
		    @user_includes[1..$#user_includes]);
    }
  scan_m4_dirs (FT_AUTOMAKE, SCAN_M4_DIRS_ERROR, @automake_includes);
  scan_m4_dirs (FT_SYSTEM, SCAN_M4_DIRS_ERROR, @system_includes);

# Construct a new function that does the searching.  We use a
  # function (instead of just evaluating $search in the loop) so that
  # "die" is correctly and easily propagated if run.
  my $search = "sub search {\nmy \$found = 0;\n";
  foreach my $key (reverse sort keys %map)
    {
      $search .= ('if (/\b\Q' . $key . '\E(?!\w)/) { add_macro ("' . $key
		  . '"); $found = 1; }' . "\n");
    }
  $search .= "return \$found;\n};\n";
  eval $search;
  prog_error "$@\n search is $search" if $@;
}

################################################################

# Add a macro to the output.
sub add_macro ($)
{
  my ($macro) = @_;

# Ignore unknown required macros.  Either they are not really
  # needed (e.g., a conditional AC_REQUIRE), in which case aclocal
  # should be quiet, or they are needed and Autoconf itself will
  # complain when we trace for macro usage later.
  return unless defined $map{$macro};

verb "saw macro $macro";
  $macro_seen{$macro} = 1;
  add_file ($map{$macro});
}

# scan_configure_dep ($file)
# --------------------------
# Scan a configure dependency (configure.ac, or separate m4 files)
# for uses of known macros and AC_REQUIREs of possibly unknown macros.
# Recursively scan m4_included files.
sub scan_configure_dep ($)
{
  my ($file) = @_;
  # Do not scan a file twice.
  return ()
    if exists $scanned_configure_dep{$file};
  $scanned_configure_dep{$file} = 1;

my $mtime = mtime $file;
  $greatest_mtime = $mtime if $greatest_mtime < $mtime;

my $contents = exists $file_contents{$file} ?
    $file_contents{$file} : contents $file;

my $line = 0;
  my @rlist = ();
  my @ilist = ();
  foreach (split ("\n", $contents))
    {
      ++$line;
      # Remove comments from current line.
      s/\bdnl\b.*$//;
      s/\#.*$//;
      # Avoid running all the following regexes on white lines.
      next if /^\s*$/;

while (/$m4_include_rx/go)
	{
	  my $ifile = $2 || $3;
	  # Skip missing 'sinclude'd files.
	  next if $1 ne 'm4_' && ! -f $ifile;
	  push @ilist, $ifile;
	}

while (/$ac_require_rx/go)
	{
	  push (@rlist, $1 || $2);
	}

# The search function is constructed dynamically by
      # scan_m4_files.  The last parenthetical match makes sure we
      # don't match things that look like macro assignments or
      # AC_SUBSTs.
      if (! &search && /(^|\s+)(AM_[A-Z0-9_]+)($|[^\]\)=A-Z0-9_])/)
	{
	  # Macro not found, but AM_ prefix found.
	  # Make this just a warning, because we do not know whether
	  # the macro is actually used (it could be called conditionally).
	  msg ('unsupported', "$file:$line",
	       "macro '$2' not found in library");
	}
    }

add_macro ($_) foreach (@rlist);
  scan_configure_dep ($_) foreach @ilist;
}

# add_file ($FILE)
# ----------------
# Add $FILE to output.
sub add_file ($)
{
  my ($file) = @_;

# Only add a file once.
  return if ($file_added{$file});
  $file_added{$file} = 1;

scan_configure_dep $file;
}

# Point to the documentation for underquoted AC_DEFUN only once.
my $underquoted_manual_once = 0;

# scan_file ($TYPE, $FILE, $WHERE)
# --------------------------------
# Scan a single M4 file ($FILE), and all files it includes.
# Return the list of included files.
# $TYPE is one of FT_USER, FT_AUTOMAKE, or FT_SYSTEM, depending
# on where the file comes from.
# $WHERE is the location to use in the diagnostic if the file
# does not exist.
sub scan_file ($$$)
{
  my ($type, $file, $where) = @_;
  my $basename = basename $file;

# Do not scan the same file twice.
  return @{$file_includes{$file}} if exists $file_includes{$file};
  # Prevent potential infinite recursion (if two files include each other).
  return () if exists $file_contents{$file};

unshift @file_order, $file;

$file_type{$file} = $type;

fatal "$where: file '$file' does not exist" if ! -e $file;

my $fh = new Automake::XFile $file;
  my $contents = '';
  my @inc_files = ();
  my %inc_lines = ();

my $defun_seen = 0;
  my $serial_seen = 0;
  my $serial_older = 0;

while ($_ = $fh->getline)
    {
      # Ignore '##' lines.
      next if /^##/;

$contents .= $_;
      my $line = $_;

if ($line =~ /$serial_line_rx/go)
	{
	  my $number = $1;
	  if ($number !~ /$serial_number_rx/go)
	    {
	      msg ('syntax', "$file:$.",
		   "ill-formed serial number '$number', "
		   . "expecting a version string with only digits and dots");
	    }
	  elsif ($defun_seen)
	    {
	      # aclocal removes all definitions from M4 file with the
	      # same basename if a greater serial number is found.
	      # Encountering a serial after some macros will undefine
	      # these macros...
	      msg ('syntax', "$file:$.",
		   'the serial number must appear before any macro definition');
	    }
	  # We really care about serials only for non-automake macros
	  # and when --install is used.  But the above diagnostics are
	  # made regardless of this, because not using --install is
	  # not a reason not the fix macro files.
	  elsif ($install && $type != FT_AUTOMAKE)
	    {
	      $serial_seen = 1;
	      my @new = split (/\./, $number);

verb "$file:$.: serial $number";

if (!exists $serial{$basename}
		  || list_compare (@new, @{$serial{$basename}}) > 0)
		{
		  # Delete any definition we knew from the old macro.
		  foreach my $def (@{$invmap{$basename}})
		    {
		      verb "$file:$.: ignoring previous definition of $def";
		      delete $map{$def};
		    }
		  $invmap{$basename} = [];
		  $serial{$basename} = \@new;
		}
	      else
		{
		  $serial_older = 1;
		}
	    }
	}

# Remove comments from current line.
      # Do not do it earlier, because the serial line is a comment.
      $line =~ s/\bdnl\b.*$//;
      $line =~ s/\#.*$//;

while ($line =~ /$ac_defun_rx/go)
	{
	  $defun_seen = 1;
	  if (! defined $1)
	    {
	      msg ('syntax', "$file:$.", "underquoted definition of $2"
		   . "\n  run info Automake 'Extending aclocal'\n"
		   . "  or see https://www.gnu.org/software/automake/manual/"
		   . "automake.html#Extending-aclocal")
		unless $underquoted_manual_once;
	      $underquoted_manual_once = 1;
	    }

# If this macro does not have a serial and we have already
	  # seen a macro with the same basename earlier, we should
	  # ignore the macro (don't exit immediately so we can still
	  # diagnose later #serial numbers and underquoted macros).
	  $serial_older ||= ($type != FT_AUTOMAKE
			     && !$serial_seen && exists $serial{$basename});

my $macro = $1 || $2;
	  if (!$serial_older && !defined $map{$macro})
	    {
	      verb "found macro $macro in $file: $.";
	      $map{$macro} = $file;
	      push @{$invmap{$basename}}, $macro;
	    }
	  else
	    {
	      # Note: we used to give an error here if we saw a
	      # duplicated macro.  However, this turns out to be
	      # extremely unpopular.  It causes actual problems which
	      # are hard to work around, especially when you must
	      # mix-and-match tool versions.
	      verb "ignoring macro $macro in $file: $.";
	    }
	}

while ($line =~ /$m4_include_rx/go)
	{
	  my $ifile = $2 || $3;
	  # Skip missing 'sinclude'd files.
	  next if $1 ne 'm4_' && ! -f $ifile;
	  push (@inc_files, $ifile);
	  $inc_lines{$ifile} = $.;
	}
    }

# Ignore any file that has an old serial (or no serial if we know
  # another one with a serial).
  return ()
    if ($serial_older ||
	($type != FT_AUTOMAKE && !$serial_seen && exists $serial{$basename}));

$file_contents{$file} = $contents;

# For some reason I don't understand, it does not work
  # to do "map { scan_file ($_, ...) } @inc_files" below.
  # With Perl 5.8.2 it undefines @inc_files.
  my @copy = @inc_files;
  my @all_inc_files = (@inc_files,
		       map { scan_file ($type, $_,
					"$file:$inc_lines{$_}") } @copy);
  $file_includes{$file} = \@all_inc_files;
  return @all_inc_files;
}

# strip_redundant_includes (%FILES)
# ---------------------------------
# Each key in %FILES is a file that must be present in the output.
# However some of these files might already include other files in %FILES,
# so there is no point in including them another time.
# This removes items of %FILES which are already included by another file.
sub strip_redundant_includes (%)
{
  my %files = @_;

# Always include acinclude.m4, even if it does not appear to be used.
  $files{'acinclude.m4'} = 1 if -f 'acinclude.m4';
  # File included by $configure_ac are redundant.
  $files{$configure_ac} = 1;

# Files at the end of @file_order should override those at the beginning,
  # so it is important to preserve these trailing files.  We can remove
  # a file A if it is going to be output before a file B that includes
  # file A, not the converse.
  foreach my $file (reverse @file_order)
    {
      next unless exists $files{$file};
      foreach my $ifile (@{$file_includes{$file}})
	{
	  next unless exists $files{$ifile};
	  delete $files{$ifile};
	  verb "$ifile is already included by $file";
	}
    }

# configure.ac is implicitly included.
  delete $files{$configure_ac};

return %files;
}

sub trace_used_macros ()
{
  my %files = map { $map{$_} => 1 } keys %macro_seen;
  %files = strip_redundant_includes %files;

# When AC_CONFIG_MACRO_DIRS is used, avoid possible spurious warnings
  # from autom4te about macros being "m4_require'd but not m4_defun'd";
  # for more background, see:
  # https://lists.gnu.org/archive/html/autoconf-patches/2012-11/msg00004.html
  # as well as autoconf commit 'v2.69-44-g1ed0548', "warn: allow aclocal
  # to silence m4_require warnings".
  my $early_m4_code .= "m4_define([m4_require_silent_probe], [-])";

my $traces = ($ENV{AUTOM4TE} || 'autom4te');
  $traces .= " --language Autoconf-without-aclocal-m4 ";
  $traces = "echo '$early_m4_code' | $traces - ";

# Support AC_CONFIG_MACRO_DIRS also with older autoconf.
  # Note that we can't use '$ac_config_macro_dirs_fallback' here, because
  # a bug in option parsing code of autom4te 2.68 and earlier will cause
  # it to read standard input last, even if the "-" argument is specified
  # early.
  # FIXME: To be removed in Automake 2.0, once we can assume autoconf
  #        2.70 or later.
  $traces .= "$automake_includes[0]/internal/ac-config-macro-dirs.m4 ";

# All candidate files.
  $traces .= join (' ',
		   (map { "'$_'" }
		    (grep { exists $files{$_} } @file_order))) . " ";

# All candidate macros.
  $traces .= join (' ',
		   (map { "--trace='$_:\$f::\$n::\${::}%'" }
		    ('AC_DEFUN',
		     'AC_DEFUN_ONCE',
		     'AU_DEFUN',
		     '_AM_AUTOCONF_VERSION',
		     'AC_CONFIG_MACRO_DIR_TRACE',
                     # FIXME: Tracing the next two macros is a hack for
                     # compatibility with older autoconf.  Remove this in
                     # Automake 2.0, when we can assume Autoconf 2.70 or
                     # later.
		     'AC_CONFIG_MACRO_DIR',
		     '_AM_CONFIG_MACRO_DIRS')),
		   # Do not trace $1 for all other macros as we do
		   # not need it and it might contains harmful
		   # characters (like newlines).
		   (map { "--trace='$_:\$f::\$n'" } (keys %macro_seen)));

verb "running $traces $configure_ac";

my $tracefh = new Automake::XFile ("$traces $configure_ac |");

@ac_config_macro_dirs = ();

my %traced = ();

while ($_ = $tracefh->getline)
    {
      chomp;
      my ($file, $macro, $arg1) = split (/::/);

$traced{$macro} = 1 if exists $macro_seen{$macro};

if ($macro eq 'AC_DEFUN' || $macro eq 'AC_DEFUN_ONCE'
            || $macro eq 'AU_DEFUN')
        {
          $map_traced_defs{$arg1} = $file;
        }
      elsif ($macro eq '_AM_AUTOCONF_VERSION')
        {
          $ac_version = $arg1;
        }
      elsif ($macro eq 'AC_CONFIG_MACRO_DIR_TRACE')
        {
          push @ac_config_macro_dirs, $arg1;
        }
      # FIXME: We still need to trace AC_CONFIG_MACRO_DIR
      # for compatibility with older autoconf.  Remove this
      # once we can assume Autoconf 2.70 or later.
      elsif ($macro eq 'AC_CONFIG_MACRO_DIR')
        {
          @ac_config_macro_dirs = ($arg1);
        }
      # FIXME:This is an hack for compatibility with older autoconf.
      # Remove this once we can assume Autoconf 2.70 or later.
      elsif ($macro eq '_AM_CONFIG_MACRO_DIRS')
        {
           # Empty leading/trailing fields might be produced by split,
           # hence the grep is really needed.
           push @ac_config_macro_dirs, grep (/./, (split /\s+/, $arg1));
        }
    }

# FIXME: in Autoconf >= 2.70, AC_CONFIG_MACRO_DIR calls
  # AC_CONFIG_MACRO_DIR_TRACE behind the scenes, which could
  # leave unwanted duplicates in @ac_config_macro_dirs.
  # Remove this in Automake 2.0, when we'll stop tracing
  # AC_CONFIG_MACRO_DIR explicitly.
  @ac_config_macro_dirs = uniq @ac_config_macro_dirs;

$tracefh->close;

return %traced;
}

sub scan_configure ()
{
  # Make sure we include acinclude.m4 if it exists.
  if (-f 'acinclude.m4')
    {
      add_file ('acinclude.m4');
    }
  scan_configure_dep ($configure_ac);
}

################################################################

# Write output.
# Return 0 iff some files were installed locally.
sub write_aclocal ($@)
{
  my ($output_file, @macros) = @_;
  my $output = '';

my %files = ();
  # Get the list of files containing definitions for the macros used.
  # (Filter out unused macro definitions with $map_traced_defs.  This
  # can happen when an Autoconf macro is conditionally defined:
  # aclocal sees the potential definition, but this definition is
  # actually never processed and the Autoconf implementation is used
  # instead.)
  for my $m (@macros)
    {
      $files{$map{$m}} = 1
	if (exists $map_traced_defs{$m}
	    && $map{$m} eq $map_traced_defs{$m});
    }
  # Do not explicitly include a file that is already indirectly included.
  %files = strip_redundant_includes %files;

my $installed = 0;

for my $file (grep { exists $files{$_} } @file_order)
    {
      # Check the time stamp of this file, and of all files it includes.
      for my $ifile ($file, @{$file_includes{$file}})
	{
	  my $mtime = mtime $ifile;
	  $greatest_mtime = $mtime if $greatest_mtime < $mtime;
	}

# If the file to add looks like outside the project, copy it
      # to the output.  The regex catches filenames starting with
      # things like '/', '\', or 'c:\'.
      if ($file_type{$file} != FT_USER
	  || $file =~ m,^(?:\w:)?[\\/],)
	{
	  if (!$install || $file_type{$file} != FT_SYSTEM)
	    {
	      # Copy the file into aclocal.m4.
	      $output .= $file_contents{$file} . "\n";
	    }
	  else
	    {
	      # Install the file (and any file it includes).
	      my $dest;
	      for my $ifile (@{$file_includes{$file}}, $file)
		{
		  install_file ($ifile, $user_includes[0]);
		}
	      $installed = 1;
	    }
	}
      else
	{
	  # Otherwise, simply include the file.
	  $output .= "m4_include([$file])\n";
	}
    }

if ($installed)
    {
      verb "running aclocal anew, because some files were installed locally";
      return 0;
    }

# Nothing to output?!
  # FIXME: Shouldn't we diagnose this?
  return 1 if ! length ($output);

if ($ac_version)
    {
      # Do not use "$output_file" here for the same reason we do not
      # use it in the header below.  autom4te will output the name of
      # the file in the diagnostic anyway.
      $output = "m4_ifndef([AC_AUTOCONF_VERSION],
  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
m4_if(m4_defn([AC_AUTOCONF_VERSION]), [$ac_version],,
[m4_warning([this file was generated for autoconf $ac_version.
You have another version of autoconf.  It may work, but is not guaranteed to.
If you have problems, you may need to regenerate the build system entirely.
To do so, use the procedure documented by the package, typically 'autoreconf'.])])

$output";
    }

# We used to print "# $output_file generated automatically etc."  But
  # this creates spurious differences when using autoreconf.  Autoreconf
  # creates aclocal.m4t and then rename it to aclocal.m4, but the
  # rebuild rules generated by Automake create aclocal.m4 directly --
  # this would gives two ways to get the same file, with a different
  # name in the header.
  $output = "# generated automatically by aclocal $VERSION -*- Autoconf -*-

# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.

$ac_config_macro_dirs_fallback
$output";

# We try not to update $output_file unless necessary, because
  # doing so invalidate Autom4te's cache and therefore slows down
  # tools called after aclocal.
  #
  # We need to overwrite $output_file in the following situations.
  #   * The --force option is in use.
  #   * One of the dependencies is younger.
  #     (Not updating $output_file in this situation would cause
  #     make to call aclocal in loop.)
  #   * The contents of the current file are different from what
  #     we have computed.
  if (!$force_output
      && $greatest_mtime < mtime ($output_file)
      && $output eq contents ($output_file))
    {
      verb "$output_file unchanged";
      return 1;
    }

verb "writing $output_file";

if (!$dry_run)
    {
      if (-e $output_file && !unlink $output_file)
        {
	  fatal "could not remove '$output_file': $!";
	}
      my $out = new Automake::XFile "> $output_file";
      print $out $output;
    }
  return 1;
}

################################################################

# Print usage and exit.
sub usage ($)
{
  my ($status) = @_;

print <<'EOF';
Usage: aclocal [OPTION]...

Generate 'aclocal.m4' by scanning 'configure.ac' or 'configure.in'

Options:
      --automake-acdir=DIR  directory holding automake-provided m4 files
      --system-acdir=DIR    directory holding third-party system-wide files
      --diff[=COMMAND]      run COMMAND [diff -u] on M4 files that would be
                            changed (implies --install and --dry-run)
      --dry-run             pretend to, but do not actually update any file
      --force               always update output file
      --help                print this help, then exit
  -I DIR                    add directory to search list for .m4 files
      --install             copy third-party files to the first -I directory
      --output=FILE         put output in FILE (default aclocal.m4)
      --print-ac-dir        print name of directory holding system-wide
                              third-party m4 files, then exit
      --verbose             don't be silent
      --version             print version number, then exit
  -W, --warnings=CATEGORY   report the warnings falling in CATEGORY

Warning categories include:
  syntax        dubious syntactic constructs (default)
  unsupported   unknown macros (default)
  all           all the warnings (default)
  no-CATEGORY   turn off warnings in CATEGORY
  none          turn off all the warnings
  error         treat warnings as errors

Report bugs to <bug-automake@gnu.org>.
GNU Automake home page: <http://www.gnu.org/software/automake/>.
General help using GNU software: <https://www.gnu.org/gethelp/>.
EOF
  exit $status;
}

# Print version and exit.
sub version ()
{
  print <<EOF;
aclocal (GNU $PACKAGE) $VERSION
Copyright (C) $RELEASE_YEAR Free Software Foundation, Inc.
License GPLv2+: GNU GPL version 2 or later <https://gnu.org/licenses/gpl-2.0.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Tom Tromey <tromey\@redhat.com>
       and Alexandre Duret-Lutz <adl\@gnu.org>.
EOF
  exit 0;
}

# Parse command line.
sub parse_arguments ()
{
  my $print_and_exit = 0;
  my $diff_command;

my %cli_options =
    (
     'help'		=> sub { usage(0); },
     'version'		=> \&version,
     'system-acdir=s'	=> sub { shift; @system_includes = @_; },
     'automake-acdir=s'	=> sub { shift; @automake_includes = @_; },
     'diff:s'		=> \$diff_command,
     'dry-run'		=> \$dry_run,
     'force'		=> \$force_output,
     'I=s'		=> \@user_includes,
     'install'          => \$install,
     'output=s'		=> \$output_file,
     'print-ac-dir'     => \$print_and_exit,
     'verbose'		=> sub { setup_channel 'verb', silent => 0; },
     'W|warnings=s'     => \&parse_warnings,
     );

use Automake::Getopt ();
  Automake::Getopt::parse_options %cli_options;

if (@ARGV > 0)
    {
      fatal ("non-option arguments are not accepted: '$ARGV[0]'.\n"
             . "Try '$0 --help' for more information.");
    }

if ($print_and_exit)
    {
      print "@system_includes\n";
      exit 0;
    }

if (defined $diff_command)
    {
      $diff_command = 'diff -u' if $diff_command eq '';
      @diff_command = split (' ', $diff_command);
      $install = 1;
      $dry_run = 1;
    }

# Finally, adds any directory listed in the 'dirlist' file.
  if (@system_includes && open (DIRLIST, "$system_includes[0]/dirlist"))
    {
      while (<DIRLIST>)
        {
          # Ignore '#' lines.
          next if /^#/;
          # strip off newlines and end-of-line comments
          s/\s*\#.*$//;
          chomp;
          foreach my $dir (glob)
            {
              push (@system_includes, $dir) if -d $dir;
            }
        }
      close (DIRLIST);
    }
}

# Add any directory listed in the 'ACLOCAL_PATH' environment variable
# to the list of system include directories.
sub parse_ACLOCAL_PATH ()
{
  return if not defined $ENV{"ACLOCAL_PATH"};
  # Directories in ACLOCAL_PATH should take precedence over system
  # directories, so we use unshift.  However, directories that
  # come first in ACLOCAL_PATH take precedence over directories
  # coming later, which is why the result of split is reversed.
  foreach my $dir (reverse split /:/, $ENV{"ACLOCAL_PATH"})
    {
      unshift (@system_includes, $dir) if $dir ne '' && -d $dir;
    }
}

################################################################

# Don't refer to installation directories from the build environment
if (exists $ENV{"AUTOMAKE_UNINSTALLED"})
  {
    @automake_includes = ();
    @system_includes = ();
  }

@automake_includes = ($ENV{"ACLOCAL_AUTOMAKE_DIR"})
  if (exists $ENV{"ACLOCAL_AUTOMAKE_DIR"});

parse_WARNINGS;		    # Parse the WARNINGS environment variable.
parse_arguments;
parse_ACLOCAL_PATH;
$configure_ac = require_configure_ac;

# We may have to rerun aclocal if some file have been installed, but
# it should not happen more than once.  The reason we must run again
# is that once the file has been moved from /usr/share/aclocal/ to the
# local m4/ directory it appears at a new place in the search path,
# hence it should be output at a different position in aclocal.m4.  If
# we did not rerun aclocal, the next run of aclocal would produce a
# different aclocal.m4.
my $loop = 0;
my $rerun_due_to_macrodir = 0;
while (1)
  {
    ++$loop;
    prog_error "too many loops" if $loop > 2 + $rerun_due_to_macrodir;

reset_maps;
    scan_m4_files;
    scan_configure;
    last if $exit_code;
    my %macro_traced = trace_used_macros;

if (!$rerun_due_to_macrodir && @ac_config_macro_dirs)
      {
        # The directory specified in calls to the AC_CONFIG_MACRO_DIRS
        # m4 macro (if any) must go after the user includes specified
        # explicitly with the '-I' option.
        push @user_includes, @ac_config_macro_dirs;
        # We might have to scan some new directory of .m4 files.
        $rerun_due_to_macrodir++;
        next;
      }

if ($install && !@user_includes)
      {
        fatal "installation of third-party macros impossible without " .
              "-I options nor AC_CONFIG_MACRO_DIR{,S} m4 macro(s)";
      }

last if write_aclocal ($output_file, keys %macro_traced);
    last if $dry_run;
  }
check_acinclude;

exit $exit_code;

${this.title}

Code Editor : aclocal