Update README.txt for new compilation dependencies

db4
Slava Pestov 2009-05-05 14:36:15 -05:00
parent cc9ac345fa
commit 44e6ec400b
1 changed files with 3 additions and 2 deletions

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@ -23,8 +23,9 @@ implementation. It is not an introduction to the language itself.
Factor supports various platforms. For an up-to-date list, see
<http://factorcode.org>.
The Factor VM is written in C++ and uses the GNU and TR1 extensions.
As a result, it requires GCC 4.x to compile.
The Factor VM is written in C++ and uses GNU extensions. When compiling
with GCC 3.x, boost::unordered_map must be installed. On GCC 4.x, Factor
uses std::tr1::unordered_map which is shipped as part of GCC.
Run 'make' ('gmake' on *BSD) with no parameters to build the Factor VM.