Note also that Perl is using usemymalloc by default.

Are you sure? Quick grep in hints directory shows that usemymalloc is off by default on majority of platforms: 

ilya@juil:~/devel/perl-current/hints$ grep usemymalloc *.sh
aix.sh:case "$usemymalloc" in
aix.sh:'')  usemymalloc='n' ;;
amigaos.sh:usemymalloc='n'
atheos.sh:usemymalloc='n'
beos.sh:usemymalloc='n'
bsdos.sh:usemymalloc='n'
cxux.sh:usemymalloc='n'
darwin.sh:usemymalloc='n';
dcosx.sh:usemymalloc='n'
dec_osf.sh:     case "$usemymalloc" in
dec_osf.sh:             usemymalloc='n'
dgux.sh:case "$usemymalloc" in
dgux.sh:'') usemymalloc='n' ;;
dos_djgpp.sh:usemymalloc='n'
freebsd.sh:     case "$usemymalloc" in
freebsd.sh:         "") usemymalloc='n'
freebsd.sh:     case "$usemymalloc" in
freebsd.sh:         "") usemymalloc='n'
freebsd.sh:     case "$usemymalloc" in
freebsd.sh:         "") usemymalloc='n'
freebsd.sh:     usemymalloc=n
hpux.sh:usemymalloc='y'
hpux.sh:    $define|true|[yY]*) usemymalloc='n' ;;
hpux.sh:                           *) usemymalloc='n' ;;
hpux.sh:usemymalloc='n'
hpux.sh:    $undef|false|[nN]*) usemymalloc='y' ;;
irix_5.sh:usemymalloc='n'
irix_6_0.sh:usemymalloc='n'
irix_6_1.sh:usemymalloc='n'
irix_6.sh:      usemymalloc='undef'
irix_6.sh:        usemymalloc='n'
irix_6.sh:    usemymalloc="$undef"
irix_6.sh:usemymalloc=${usemymalloc:-false}
linux.sh:case "$usemymalloc" in
linux.sh:'') usemymalloc='n' ;;
lynxos.sh:usemymalloc='n'
machten_2.sh:case "$usemymalloc" in
machten_2.sh:'') usemymalloc='y' ;;
machten.sh:usemymalloc=${usemymalloc:-y}
ncr_tower.sh:usemymalloc='y'
next_3_0.sh:usemymalloc='n'
next_3.sh:# setting usemymalloc='n' was the solution back then. Later 
+came
next_3.sh:# from the ccflags and set usemymalloc to 'n'.
next_3.sh:#usemymalloc='y'
next_3.sh:usemymalloc='n'
next_4.sh:usemymalloc='y'
openbsd.sh:test "$usemymalloc" || usemymalloc='n'
os390.sh:case "$usemymalloc" in
os390.sh:'') usemymalloc='n' ;;
posix-bc.sh:case "$usemymalloc" in
posix-bc.sh:'') usemymalloc='n' ;;
powerux.sh:usemymalloc='n'
qnx.sh:  usemymalloc='false'
rhapsody.sh:usemymalloc='n';
sco_2_3_4.sh:usemymalloc='y'
solaris_2.sh:usemymalloc=${usemymalloc:-false}
super-ux.sh:case "$usemymalloc" in
super-ux.sh:    usemymalloc='y'
ti1500.sh:usemymalloc='n'
unicosmk.sh:case "$usemymalloc" in
unicosmk.sh:'') usemymalloc='y'
unicos.sh:case "$usemymalloc" in
unicos.sh:    # usemymalloc='y'
unicos.sh:    usemymalloc='n'
utekv.sh:usemymalloc='y'
uwin.sh:usemymalloc=n
vmesa.sh:usemymalloc='n'
vos.sh:usemymalloc="n"

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--
Ilya Martynov, ilya@iponweb.net
CTO IPonWEB (UK) Ltd
Quality Perl Programming and Unix Support UK managed @ offshore prices - http://www.iponweb.net
Personal website - http://martynov.org

In reply to Re: Re: usemymalloc by IlyaM
in thread usemymalloc by Anonymous Monk

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