cpan[1]> force install Crypt::SSLeay
CPAN: Storable loaded ok (v2.18)
Going to read /root/.cpan/Metadata
  Database was generated on Thu, 08 Oct 2009 08:28:51 GMT
CPAN: YAML loaded ok (v0.70)
Going to read /root/.cpan/build/
......................................................................
+......DONE
Found 17 old builds, restored the state of 17
Running install for module 'Crypt::SSLeay'
Running make for D/DL/DLAND/Crypt-SSLeay-0.57.tar.gz
  Has already been unwrapped into directory /root/.cpan/build/Crypt-SS
+Leay-0.57-pHXWkj

  CPAN.pm: Going to build D/DL/DLAND/Crypt-SSLeay-0.57.tar.gz

rm -f blib/arch/auto/Crypt/SSLeay/SSLeay.so
LD_RUN_PATH="/usr/lib" cc  -shared -O2 -L/usr/local/lib SSLeay.o  -o b
+lib/arch/auto/Crypt/SSLeay/SSLeay.so      \
           -L/usr/lib -lssl -lcrypto    \

/usr/local/lib/libcrypto.a(bn86-elf.o): In function `bn_mul_add_words'
+:
bn-586.s:(.text+0x0): multiple definition of `bn_mul_add_words'
/usr/local/lib/libcrypto.a(bn_asm.o):bn_asm.c:(.text+0x0): first defin
+ed here
/usr/bin/ld: Warning: size of symbol `bn_mul_add_words' changed from 6
+12 in /usr/local/lib/libcrypto.a(bn_asm.o) to 684 in /usr/local/lib/l
+ibcrypto.a(bn86-elf.o)
/usr/local/lib/libcrypto.a(bn86-elf.o): In function `bn_mul_words':
bn-586.s:(.text+0x2b0): multiple definition of `bn_mul_words'
/usr/local/lib/libcrypto.a(bn_asm.o):bn_asm.c:(.text+0x270): first def
+ined here
/usr/bin/ld: Warning: size of symbol `bn_mul_words' changed from 460 i
+n /usr/local/lib/libcrypto.a(bn_asm.o) to 320 in /usr/local/lib/libcr
+ypto.a(bn86-elf.o)
/usr/local/lib/libcrypto.a(bn86-elf.o): In function `bn_sqr_words':
bn-586.s:(.text+0x3f0): multiple definition of `bn_sqr_words'
/usr/local/lib/libcrypto.a(bn_asm.o):bn_asm.c:(.text+0x440): first def
+ined here
/usr/bin/ld: Warning: size of symbol `bn_sqr_words' changed from 167 i
+n /usr/local/lib/libcrypto.a(bn_asm.o) to 225 in /usr/local/lib/libcr
+ypto.a(bn86-elf.o)
/usr/local/lib/libcrypto.a(bn86-elf.o): In function `bn_div_words':
bn-586.s:(.text+0x4e0): multiple definition of `bn_div_words'
/usr/local/lib/libcrypto.a(bn_asm.o):bn_asm.c:(.text+0x4f0): first def
+ined here
/usr/bin/ld: Warning: size of symbol `bn_div_words' changed from 89 in
+ /usr/local/lib/libcrypto.a(bn_asm.o) to 23 in /usr/local/lib/libcryp
+to.a(bn86-elf.o)
/usr/local/lib/libcrypto.a(bn86-elf.o): In function `bn_add_words':
bn-586.s:(.text+0x500): multiple definition of `bn_add_words'
/usr/local/lib/libcrypto.a(bn_asm.o):bn_asm.c:(.text+0x550): first def
+ined here
/usr/bin/ld: Warning: size of symbol `bn_add_words' changed from 371 i
+n /usr/local/lib/libcrypto.a(bn_asm.o) to 428 in /usr/local/lib/libcr
+ypto.a(bn86-elf.o)
/usr/local/lib/libcrypto.a(bn86-elf.o): In function `bn_sub_words':
bn-586.s:(.text+0x6b0): multiple definition of `bn_sub_words'
/usr/local/lib/libcrypto.a(bn_asm.o):bn_asm.c:(.text+0x6d0): first def
+ined here
/usr/bin/ld: Warning: size of symbol `bn_sub_words' changed from 257 i
+n /usr/local/lib/libcrypto.a(bn_asm.o) to 428 in /usr/local/lib/libcr
+ypto.a(bn86-elf.o)
collect2: ld returned 1 exit status
make: *** [blib/arch/auto/Crypt/SSLeay/SSLeay.so] Error 1
  DLAND/Crypt-SSLeay-0.57.tar.gz
  /usr/bin/make -- NOT OK
Running make test
  Can't test without successful make
Running make install
  Make had returned bad status, install seems impossible
Failed during this command:
 DLAND/Crypt-SSLeay-0.57.tar.gz               : make NO
[download]

The above mentioned error happened in the CentoS Linux of specification

Linux version 2.6.18-8.el5 (mockbuild@builder4.centos.org) (gcc versio
+n 4.1.1 20070105 (Red Hat 4.1.1-52)) #1 SMP
[download]

And installed perl version in this machine is of 5.10.0