This document provides a list of the software packages that LLVM depends on in order to be built successfully from CVS sources. The requirements for building from a distribution are fewer. Items only needed for building from a distribution are noted with an asterisk (*).

The table below shows the required software packages. Package is the usual name for a given software package that LLVM depends on. Version is a list of "known to work" versions of the package. Usage describes how LLVM uses the package.

Additionally, your compilation host is expected to have the usual plethora of Unix utilities. Specifically:

• ar - archive library builder
• bzip2* - bzip2 command for distribution generation
• bunzip2* - bunzip2 command for distribution checking
• chmod - change permissions on a file
• cat - output concatentation utility
• cp - copy files
• date - print the current date/time
• echo - print to standard output
• egrep - extended regular expression search utility
• etags - C/C++ tag file creator for vim/emacs
• find - find files/dirs in a file system
• grep - regular expression search utility
• gzip* - gzip command for distribution generation
• gunzip* - gunzip command for distribution checking
• install - install directories/files
• mkdir - create a directory
• mv - move (rename) files
• ranlib - symbol table builder for archive libraries
• sed - stream editor for transforming output
• sh - Bourne shell for make build scripts
• tar - tape archive for distribution generation
• test - test things in file system
• unzip* - unzip command for distribution checking
• zip* - zip command for distribution generation