[PATCH 2/3] gnu: Add iverilog.

[Danny Milosavljevic]

* gnu/packages/fpga.scm (iverilog): New variable.
---
 gnu/packages/fpga.scm | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/fpga.scm b/gnu/packages/fpga.scm
index 40ea709..39a338e 100644
--- a/gnu/packages/fpga.scm
+++ b/gnu/packages/fpga.scm
@@ -32,6 +32,7 @@
   #:use-module (gnu packages libffi)
   #:use-module (gnu packages zip)
   #:use-module (gnu packages perl)
+  #:use-module (gnu packages ghostscript)
   #:use-module (gnu packages gawk))
 
 ;; To compile as C code (default): make sure that CC=gcc and ABC_NAMESPACE is 
not defined.
@@ -54,7 +55,6 @@
      `(("readline" ,readline)))
     (arguments
      `(#:tests? #f ; 'check target does not exist.
-       ; #:make-flags '("PROG=abc")
        #:phases
         (modify-phases %standard-phases
           (delete 'configure)
@@ -70,3 +70,29 @@
     (description "ABC is a program for sequential logic synthesis and formal 
verification.")
     (license license:expat) #| FIXME license: MIT Modern variant as described
 in <https://fedoraproject.org/wiki/Licensing:MIT> |#))
+
+;; Note: compare geda.
+(define-public iverilog
+  (package
+    (name "iverilog")
+    (version "10.1.1")
+    (source (origin
+              (method url-fetch)
+              (uri
+               (string-append 
"ftp://ftp.icarus.com/pub/eda/verilog/v10/verilog-"; version ".tar.gz"))
+              (sha256
+                (base32
+                   "1nnassxvq30rnn0r2p85rkb2zwxk97p109y13x3vr365wzgpbapx"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("flex" ,flex)
+       ("bison" ,bison)
+       ("ghostscript" ,ghostscript) #| ps2pdf |#))
+    (home-page "http://iverilog.icarus.com/";)
+    (synopsis "FPGA Verilog Simulation and Synthesis Tool")
+    (description "Icarus Verilog is a Verilog simulation and synthesis tool.
+It operates as a compiler, compiling source code written in Verilog 
(IEEE-1364) into some target format.
+For batch simulation, the compiler can generate an intermediate form called 
vvp assembly.
+This intermediate form is executed by the ``vvp'' command.
+For synthesis, the compiler generates netlists in the desired format.")
+    (license license:gpl2)))



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