From cc7986a3e57a05129b99cf02036f53c472c643b1 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Thu, 31 Oct 2013 01:09:24 +0100 Subject: Some additions to the README file --- README | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'README') diff --git a/README b/README index cf5fbdb1..8fdbf082 100644 --- a/README +++ b/README @@ -69,6 +69,7 @@ will install all prerequisites for building yosys: $ sudo apt-get install libqt4-dev $ sudo apt-get install mercurial $ sudo apt-get install iverilog + $ sudo apt-get install graphviz To configure the build system to use a specific set of compiler and build configuration, use one of @@ -89,6 +90,9 @@ To build Yosys simply type 'make' in this directory. $ make test $ sudo make install +If you encounter any problems during build, make sure to check the section +"Workarounds for known build problems" at the end of this README file. + To also build and install ABC (recommended) use the following commands: $ make abc @@ -258,6 +262,21 @@ Verilog Attributes and non-standard features __YOSYS_ENABLE_DEFATTR__ must be set in order for this feature to be active. +Workarounds for known build problems +==================================== + +You might get an error message like this one during build when building with +a recent version of gcc: + + /usr/include/minisat/utils/Options.h:285:29: error: + unable to find string literal operator ‘operator"" PRIi64’ + +This is a bug in the minisat header. It can be fixed by adding spaces before +and after each occurance of PRIi64 in the header file: + + sudo sed -i 's/PRIi64/ & /' /usr/include/minisat/utils/Options.h + + TODOs / Open Bugs ================= -- cgit v1.2.3