wine configure script is failing under script

[KuSh]

Hi,

With wine git master, ./configure is failing on debian testing with :

configure: creating ./config.status
../../src/configure: xrealloc: ../bash/subst.c:5188: cannot allocate
2097152 bytes (5230592 bytes allocated)
configure: error: write failure creating ./config.status

Problematic part of the configure file (see 1) :

cat Make.tmp - <<\_WINE_EOF >\$tmp/makefile && mv -f \$tmp/makefile \$1 && rm -f Make.tmp && return
`cat $wine_rules_file`
_WINE_EOF

$wine_rules_file is a relatively big file and it doesn't seems to like embedding it.

I have a trace with proot -v 9 if wanted ... I've filtered out the part associated with the failing process on 2.

Perhaps using MREMAP_MAYMOVE with mremap(2) could help ?

Nicolas.

[cedric-vincent]

Hello Nicolas,

configure: creating ./config.status ../../src/configure: xrealloc: ../bash/subst.c:5188: cannot allocate 2097152 bytes (5230592 bytes allocated) configure: error: write failure creating ./config.status [...] $wine_rules_file is a relatively big file and it doesn't seems to like embedding it.

This is exactly the Bash bug PRoot heap emulation [1] attempts to workaround. Sadly, in your case, the pre-allocated heap size is not big enough.

Rant: why the heck Bash developers assume the heap has an infinite size? Googling confirms this causes troubles even without an ELF loader.

I let this issue open until I find a reliable solution (maybe using a custom ELF loader). In the mean time, you can try to increase the pre-allocated heap size [2].

[1] https://github.com/cedric-vincent/PRoot/blob/proot-v3.2.2/src/syscall/heap.c [2] https://github.com/cedric-vincent/PRoot/blob/proot-v3.2.2/src/syscall/heap.c#L44

Perhaps using MREMAP_MAYMOVE with mremap(2) could help ?

It is not possible to move the [emulated] heap since the application might have variables that point inside it, and PRoot doesn't redirect memory accesses (it is way too costly).

Cédric.

[cedric-vincent]

Hello Nicolas,

For information, the latest release (v4.0.0) emulates a bigger heap. This should workaround this issue, however I keep it open since it is not an acceptable fix to me.

Regards, Cédric.

[hmage]

Was hit with this when compiling wine 1.7.51 on 64-bit proot 5.1.0 and using debian squeeze i386 as guest:

../configure: xmalloc: ../bash/make_cmd.c:100: cannot allocate 2282628 bytes (13500416 bytes allocated)

Maybe there's still some way to make the heap dynamic? We'll keep hitting the fixed buffer size again and again.