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From: vittorio <vdemart1@tin.it>
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Subject: Compilation error libpcre.so.0: ELF file OS ABI invalid
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Context: Intel Core Duo, FreeBSD 6.2-p7, latest portsnap, gcc-4.2.2.
Updating the statistical program R, some packages fail to compile (I use 
tarballs) because this cryptic error pops up

* Installing *source* package 'MCMCpack' ...
checking for C++ compiler default output file name... a.out
checking whether the C++ compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C++ compiler... grep: error while 
loading shared libraries: /usr/local/lib/libpcre.so.0: ELF file OS ABI 
invalid
yes
checking whether c++ accepts -g... grep: error while loading shared 
libraries: /usr/local/lib/libpcre.so.0: ELF file OS ABI invalid
yes

It seems that during the compilation a-linux-connected-lib is being looked 
for, doesn't it? 

Anyway, what should I do?

Ciao
Vittorio