icarus-verilog: document build failures

Also add --devel and use sha1 checksums.

1 files changed, 27 insertions, 1 deletions

diff --git a/Library/Formula/icarus-verilog.rb b/Library/Formula/icarus-verilog.rb
index 83f5095eb..e345ed7b3 100644
--- a/Library/Formula/icarus-verilog.rb
+++ b/Library/Formula/icarus-verilog.rb
@@ -3,10 +3,36 @@ require 'formula'
 class IcarusVerilog < Formula
   homepage 'http://iverilog.icarus.com/'
   url 'ftp://icarus.com/pub/eda/verilog/v0.9/verilog-0.9.5.tar.gz'
-  md5 '3eaeafbb8f0f36765676ab1aaa0fe330'
+  sha1 '3a69cb935ab562882a07a52904f3cba74aed2229'
+
+  devel do
+    url 'ftp://ftp.icarus.com/pub/eda/verilog/snapshots/verilog-20120501.tar.gz'
+    sha1 '313ab0f5dc4d198bd4687daaf2e54749c67558b3'
+  end
+
+  # Yes indeed, this software fails to compile out of the box with both
+  # LLVM and Clang.
+
+  fails_with :llvm do
+    build '2336'
+    cause <<-EOS.undent
+      ld: warning: unexpected dylib (/usr/lib/libSystem.dylib) on link line
+      Assertion failed: (_machoSection != 0), function machoSection, file /SourceCache/ld64/ld64-128.2/src/ld/ld.hpp, line 565.
+    EOS
+  end
+
+  fails_with :clang do
+    build '318'
+    cause <<-EOS.undent
+      ld: warning: unexpected dylib (/usr/lib/libSystem.dylib) on link line
+      Assertion failed: (_machoSection != 0), function machoSection, file /SourceCache/ld64/ld64-128.2/src/ld/ld.hpp, line 565.
+    EOS
+  end
 
   def install
     system "./configure", "--prefix=#{prefix}"
+    system "make"
+    # Separate steps, as install does not depend on compile properly
     system "make install"
   end
 end