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Collaborative Computational Project Number 14

for Single Crystal and Powder Diffraction

CCP14

Compiling Gnu Flex

The CCP14 Homepage is at http://www.ccp14.ac.uk

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[Why compile Flex | Where to get Flex | Extracting tar.Z files | Compiling and Installing GNU Flex]


Why use Gnu Flex

Flex is a lex replacement. Though before this will compile, it will require YACC, or GNU Bison to be present.

The present versions are quite easy to compile.

The version of GNU Flex used at the time of writing was Flex 2.5.4a (18th November 1999) This was compiled on an SGI O2 running IRIX 6.5.6 and an HP Workstation running HPUX 10.


Where to get GNU Flex

The main GNU website is at http://www.gnu.org. There are a variety of mirrors around the place including a CCP14 auto-mirror at http://gnu.ccp14.ac.uk

Download page is at http://www.gnu.org/order/ftp.html. There are a variety of mirrors around the place including a CCP14 auto-mirror at http://gnu.ccp14.ac.uk/order/ftp.html

You need:

If you use a later version than the above, check the INSTALLATION instructions as they may have differed to what is given below.

Some of the Eurocentric FTP sites you can download the source code:


Extracting the Distribution Files

To extract the distribution files: This creates a flex-2.5.4a subdirectory where the files are ready to configure and compile.


Compiling and Installing Gnu Flex


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