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I was getting this error on my php script:

Fatal error: Call to undefined function xdiff_file_diff()

I realised that I didn't had the xdiff extension installed. When I tried to install it using the install pecl xdiff command, I got this errors (among other lines):

configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP configure: error: Please reinstall the libxdiff distribution

Then I installed re2c and libxdiff:

wget http://www.compdigitec.com/labs/files/re2c_0135_redhat.rpm
wget ftp://ftp.task.gda.pl/vol/vol1/ftp.pld-linux.org/dists/2.0/PLD/i386/PLD/RPMS/libxdiff-0.7-1.i386.rpm
rpm -ivh re2c_0135_redhat.rpm
rpm -ivh libxdiff-0.7-1.i386

But after that I still get the same errors.

PS: I've Googled a LOT and I found a couple of people with this problem but they didn't get an answer either :(

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migrated from stackoverflow.com Dec 15 '10 at 23:36

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1 Answer 1

up vote 1 down vote accepted

This can occur if your are using wrong parameters or installation is file is corrupted.

You can refer to the following URL for more details regarding function xdiff_file_diff():

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