2011/12/1 Iaki Baz Castillo <ibc / aliax.net>:
> BTW I will enable it to test my Ruby C extensions :)

Operation aborted. Neither ruby 1.9.3 compiles if I set:

  #define CALC_EXACT_MALLOC_SIZE 1


~# ./configure --prefix=/usr/local/ --program-suffix=1.9.3
[...]

~# make
[...]
linking miniruby
*** glibc detected *** ./miniruby: free(): invalid pointer:
0x00000000014f4ed8 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x78a96)[0x2ab455ce8a96]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x6c)[0x2ab455cecd7c]
./miniruby[0x4e2619]
./miniruby(rb_reg_match+0x15)[0x4e2b85]
./miniruby[0x566798]
./miniruby[0x56b543]
./miniruby(rb_yield+0x47)[0x571a57]
./miniruby[0x47b0d8]
./miniruby(rb_ensure+0xab)[0x45816b]
./miniruby[0x48388c]
./miniruby[0x571006]
./miniruby[0x56521b]
./miniruby[0x56b543]
./miniruby(rb_iseq_eval_main+0xc0)[0x5725d0]
./miniruby[0x4553ba]
./miniruby(ruby_run_node+0x36)[0x4578b6]
./miniruby[0x415a69]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed)[0x2ab455c9130d]
./miniruby[0x415a99]
======= Memory map: ========
00400000-0061b000 r-xp 00000000 08:01 1454311
  /usr/src/ruby-1.9.3-preview1/miniruby
0081a000-0081b000 r--p 0021a000 08:01 1454311
  /usr/src/ruby-1.9.3-preview1/miniruby
0081b000-0081d000 rw-p 0021b000 08:01 1454311
  /usr/src/ruby-1.9.3-preview1/miniruby
0081d000-0083a000 rw-p 00000000 00:00 0
013b1000-01619000 rw-p 00000000 00:00 0                                  [heap]
2ab45516a000-2ab45518b000 r-xp 00000000 08:01 262950
  /lib/x86_64-linux-gnu/ld-2.13.so
2ab45518b000-2ab45518d000 rw-p 00000000 00:00 0
2ab45538a000-2ab45538b000 r--p 00020000 08:01 262950
  /lib/x86_64-linux-gnu/ld-2.13.so
2ab45538b000-2ab45538d000 rw-p 00021000 08:01 262950
  /lib/x86_64-linux-gnu/ld-2.13.so
2ab45538d000-2ab4553a5000 r-xp 00000000 08:01 262952
  /lib/x86_64-linux-gnu/libpthread-2.13.so
2ab4553a5000-2ab4555a4000 ---p 00018000 08:01 262952
  /lib/x86_64-linux-gnu/libpthread-2.13.so
2ab4555a4000-2ab4555a5000 r--p 00017000 08:01 262952
  /lib/x86_64-linux-gnu/libpthread-2.13.so
2ab4555a5000-2ab4555a6000 rw-p 00018000 08:01 262952
  /lib/x86_64-linux-gnu/libpthread-2.13.so
2ab4555a6000-2ab4555aa000 rw-p 00000000 00:00 0
2ab4555aa000-2ab4555b1000 r-xp 00000000 08:01 261948
  /lib/x86_64-linux-gnu/librt-2.13.so
2ab4555b1000-2ab4557b0000 ---p 00007000 08:01 261948
  /lib/x86_64-linux-gnu/librt-2.13.so
2ab4557b0000-2ab4557b1000 r--p 00006000 08:01 261948
  /lib/x86_64-linux-gnu/librt-2.13.so
2ab4557b1000-2ab4557b2000 rw-p 00007000 08:01 261948
  /lib/x86_64-linux-gnu/librt-2.13.so
2ab4557b2000-2ab4557b3000 rw-p 00000000 00:00 0
2ab4557b3000-2ab4557bc000 r-xp 00000000 08:01 261955
  /lib/x86_64-linux-gnu/libcrypt-2.13.so
2ab4557bc000-2ab4559bc000 ---p 00009000 08:01 261955
  /lib/x86_64-linux-gnu/libcrypt-2.13.so
2ab4559bc000-2ab4559bd000 r--p 00009000 08:01 261955
  /lib/x86_64-linux-gnu/libcrypt-2.13.so
2ab4559bd000-2ab4559be000 rw-p 0000a000 08:01 261955
  /lib/x86_64-linux-gnu/libcrypt-2.13.so
2ab4559be000-2ab4559ec000 rw-p 00000000 00:00 0
2ab4559ec000-2ab455a6f000 r-xp 00000000 08:01 262956
  /lib/x86_64-linux-gnu/libm-2.13.so
2ab455a6f000-2ab455c6e000 ---p 00083000 08:01 262956
  /lib/x86_64-linux-gnu/libm-2.13.so
2ab455c6e000-2ab455c6f000 r--p 00082000 08:01 262956
  /lib/x86_64-linux-gnu/libm-2.13.so
2ab455c6f000-2ab455c70000 rw-p 00083000 08:01 262956
  /lib/x86_64-linux-gnu/libm-2.13.so
2ab455c70000-2ab455e05000 r-xp 00000000 08:01 262034
  /lib/x86_64-linux-gnu/libc-2.13.so
2ab455e05000-2ab456004000 ---p 00195000 08:01 262034
  /lib/x86_64-linux-gnu/libc-2.13.so
2ab456004000-2ab456008000 r--p 00194000 08:01 262034
  /lib/x86_64-linux-gnu/libc-2.13.so
2ab456008000-2ab456009000 rw-p 00198000 08:01 262034
  /lib/x86_64-linux-gnu/libc-2.13.so
2ab456009000-2ab456012000 rw-p 00000000 00:00 0
2ab456012000-2ab456a0d000 r--p 00000000 08:01 1308795
  /usr/lib/locale/locale-archive
2ab456a0d000-2ab456b0e000 rw-p 00000000 00:00 0
2ab456b0e000-2ab456b0f000 ---p 00000000 00:00 0
2ab456b0f000-2ab456b12000 rw-p 00000000 00:00 0
2ab456b12000-2ab456b19000 r--s 00000000 08:01 1319147
  /usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache
2ab456b3e000-2ab456b53000 r-xp 00000000 08:01 261678
  /lib/x86_64-linux-gnu/libgcc_s.so.1
2ab456b53000-2ab456d52000 ---p 00015000 08:01 261678
  /lib/x86_64-linux-gnu/libgcc_s.so.1
2ab456d52000-2ab456d53000 r--p 00014000 08:01 261678
  /lib/x86_64-linux-gnu/libgcc_s.so.1
2ab456d53000-2ab456d54000 rw-p 00015000 08:01 261678
  /lib/x86_64-linux-gnu/libgcc_s.so.1
2ab458000000-2ab458021000 rw-p 00000000 00:00 0
2ab458021000-2ab45c000000 ---p 00000000 00:00 0
7fff5a668000-7fff5a689000 rw-p 00000000 00:00 0                          [stack]
7fff5a707000-7fff5a708000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0
  [vsyscall]
make: *** [.rbconfig.time] Abortado

-- 
Iaki Baz Castillo
<ibc / aliax.net>