Import iverilog (Icarus Verilog) 10.1.1 as cad/iverilog

It's a rename of cad/verilog to a better name.

Updated DESCR for new package:

Icarus Verilog is intended to compile ALL of the Verilog HDL as described in
the IEEE-1364 standard. Of course, it's not quite there yet. It does currently
handle a mix of structural and behavioral constructs.

Icarus Verilog is not aimed at being a simulator in the traditional sense, but
a compiler that generates code employed by back-end tools.

No objections to rename from <gdt>

3 files changed, 56 insertions, 0 deletions

diff --git a/cad/iverilog/patches/patch-aa b/cad/iverilog/patches/patch-aa
new file mode 100644
index 00000000000..0c5a42d550d
--- /dev/null
+++ b/cad/iverilog/patches/patch-aa
@@ -0,0 +1,14 @@
+$NetBSD: patch-aa,v 1.1 2016/10/08 23:01:45 kamil Exp $
+
+gcc44 fixes
+
+--- elab_net.cc.orig	2010-09-27 17:42:32.000000000 +0000
++++ elab_net.cc
+@@ -26,6 +26,7 @@
+ 
+ # include  <cstdlib>
+ # include  <cstring>
++# include  <memory>
+ # include  <iostream>
+ # include  "ivl_assert.h"
+ 
diff --git a/cad/iverilog/patches/patch-ad b/cad/iverilog/patches/patch-ad
new file mode 100644
index 00000000000..bbbd15f287a
--- /dev/null
+++ b/cad/iverilog/patches/patch-ad
@@ -0,0 +1,25 @@
+$NetBSD: patch-ad,v 1.1 2016/10/08 23:01:45 kamil Exp $
+
+make sure no one sneaks a -O* in on us via one of these variables
+set in the environment
+
+--- Makefile.in.orig	2013-08-20 04:10:31.000000000 +0900
++++ Makefile.in	2013-12-20 11:35:09.000000000 +0900
+@@ -222,6 +222,17 @@
+ 
+ lexor.o: lexor.cc parse.h
+ 
++# make sure no one sneaks a -O* in on us via one of these variables
++# set in the environment
++CXX_NOOPT=$(CXX:-O%=)
++CPPFLAGS_NOOPT=$(CPPFLAGS:-O%=)
++CXXFLAGS_NOOPT=$(CXXFLAGS:-O%=)
++
++parse.o: parse.cc
++	@[ -d dep ] || mkdir dep
++	$(CXX_NOOPT) $(CPPFLAGS_NOOPT) $(CXXFLAGS_NOOPT) -MD -c $< -o $*.o
++	mv $*.d dep/$*.d
++
+ parse.o: parse.cc
+ 
+ # Build this in two steps to avoid parallel build issues (see pr3462585)
diff --git a/cad/iverilog/patches/patch-cadpli_Makefile b/cad/iverilog/patches/patch-cadpli_Makefile
new file mode 100644
index 00000000000..690208cd46a
--- /dev/null
+++ b/cad/iverilog/patches/patch-cadpli_Makefile
@@ -0,0 +1,17 @@
+$NetBSD: patch-cadpli_Makefile,v 1.1 2016/10/08 23:01:45 kamil Exp $
+
+gcc -std=gnu99 -shared -L/usr/lib -Wl,-R/usr/lib -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -o cadpli.vpl cadpli.o ../libveriuser/libveriuser.o -L../vvp -lvpi
+mkdir: dep: Not a directory
+Makefile:52: recipe for target 'dep' failed
+
+--- cadpli/Makefile.in~	2013-08-20 04:10:31.000000000 +0900
++++ cadpli/Makefile.in	2013-12-20 22:03:29.000000000 +0900
+@@ -51,7 +51,7 @@ check: all
+ dep:
+ 	mkdir dep
+ 
+-%.o: %.c
++%.o: %.c dep
+ 	$(CC) $(CPPFLAGS) $(CFLAGS) @DEPENDENCY_FLAG@ -c $<
+ 	mv $*.d dep
+