suite-sparse 4.0.2

Closes Homebrew/homebrew#14038.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/suite-sparse.rb

@@ -2,38 +2,29 @@ require 'formula'
 
 class SuiteSparse < Formula
   homepage 'http://www.cise.ufl.edu/research/sparse/SuiteSparse'
-  url 'http://www.cise.ufl.edu/research/sparse/SuiteSparse/SuiteSparse-3.7.0.tar.gz'
-  md5 'ecb1d1cc1101cf31f077bab46678e791'
+  url 'http://www.cise.ufl.edu/research/sparse/SuiteSparse/SuiteSparse-4.0.2.tar.gz'
+  sha1 '46b24a28eef4b040ea5a02d2c43e82e28b7d6195'
+
+  option "with-metis", "Compile in metis libraries"
 
-  depends_on "metis"
   depends_on "tbb"
+  depends_on "metis" if build.include? 'with-metis'
 
   def install
     # SuiteSparse doesn't like to build in parallel
     ENV.j1
 
-    # So, SuiteSparse was written by a scientific researcher.  This
-    # tends to result in makefile-based build systems that are completely
-    # ignorant of the existence of things such as CPPFLAGS and LDFLAGS.
-    # SuiteSparse Does The Right Thing™ when homebrew is in /usr/local
-    # but if it is not, we have to piggyback some stuff in on CFLAGS.
-    unless HOMEBREW_PREFIX.to_s == '/usr/local'
-      ENV['CFLAGS'] += " -isystem #{HOMEBREW_PREFIX}/include -L#{HOMEBREW_PREFIX}/lib"
-    end
-
-    # Some of the suite-sparse libraries use Metis
-    metis = Formula.factory("metis")
-
-    inreplace 'UFconfig/UFconfig.mk' do |s|
-      # Libraries
+    inreplace 'SuiteSparse_config/SuiteSparse_config.mk' do |s|
       s.change_make_var! "BLAS", "-Wl,-framework -Wl,Accelerate"
       s.change_make_var! "LAPACK", "$(BLAS)"
-      s.remove_make_var! "METIS_PATH"
-      s.change_make_var! "METIS", metis.lib + 'libmetis.a'
       s.change_make_var! "SPQR_CONFIG", "-DHAVE_TBB"
       s.change_make_var! "TBB", "-ltbb"
 
-      # Installation
+      if build.include? 'with-metis'
+        s.remove_make_var! "METIS_PATH"
+        s.change_make_var! "METIS", Formula.factory("metis").lib + "libmetis.a"
+      end
+
       s.change_make_var! "INSTALL_LIB", lib
       s.change_make_var! "INSTALL_INCLUDE", include
     end
@@ -45,4 +36,3 @@ class SuiteSparse < Formula
     system "make install"
   end
 end
-