New gem format and g2c -> f2c fix

.gitignore

@@ -0,0 +1,46 @@
+# ignore native extensions build output
+mkmf.log
+Makefile
+*.o
+*.so
+
+# ignore editor temp files
+*.swp
+
+# ignore built gem
+*.gem
+
+# ignore generated docs
+doc/
+
+# ignore bundler output
+Gemfile.lock
+
+# ignore files generated from templates
+ext/lapack/rb_lapack_c.c
+ext/lapack/rb_lapack_d.c
+ext/lapack/rb_lapack_s.c
+ext/lapack/rb_lapack_x.c
+ext/lapack/rb_lapack_z.c
+ext/linalg/cdata.c
+ext/linalg/chardata.c
+ext/linalg/cmatrix.c
+ext/linalg/cmatrix.h
+ext/linalg/cmatrixc.c
+ext/linalg/dmatrix.c
+ext/linalg/dmatrix.h
+ext/linalg/dmatrixr.c
+ext/linalg/idata.c
+ext/linalg/ldata.c
+ext/linalg/scomplex.c
+ext/linalg/scomplex.h
+ext/linalg/sdata.c
+ext/linalg/smatrix.c
+ext/linalg/smatrix.h
+ext/linalg/smatrixr.c
+ext/linalg/zdata.c
+ext/linalg/zmatrix.c
+ext/linalg/zmatrix.h
+ext/linalg/zmatrixc.c
+
+

Gemfile

@@ -0,0 +1,5 @@
+source "http://rubygems.org"
+
+# Will automatically pull in this gem and all its
+# dependencies specified in the gemspec
+gem "linalg", :path => File.expand_path("..", __FILE__)

Rakefile

@@ -0,0 +1,11 @@
+require "bundler"
+Bundler.setup
+
+gemspec = eval(File.read("linalg.gemspec"))
+
+task :build => "#{gemspec.full_name}.gem"
+
+file "#{gemspec.full_name}.gem" => gemspec.files + ["linalg.gemspec"] do
+  system "gem build linalg.gemspec"
+  system "gem install linalg-#{Linalg::VERSION}.gem"
+end

ext/lapack/extconf.rb

@@ -117,7 +117,7 @@ def self.read
       cppdefs = {
          "extern" => "",  
 
-         # these are in g2c.h
+         # these are in f2c.h
          "C_f" => "void",
          "Z_f" => "void",
       }
@@ -271,8 +271,7 @@ def write_c
    end
 
    def config
-      unless have_header("g2c.h") and
-            have_library("g2c") and
+      unless have_header("f2c.h") and
             have_library("blas") and
             have_library("lapack")
          puts "A full LAPACK installation was not found."
@@ -286,8 +285,6 @@ def config
          "rb_lapack_z.c",
          "rb_lapack_x.c",
       ]
-
-      $CFLAGS += ' -I.. -include g2c_typedefs.h'
    end
 
    def create

ext/lapack/rb_lapack.h

@@ -7,7 +7,7 @@
 
 #include "ruby.h"
 
-#include <g2c.h>
+#include <f2c.h>
 
 #include "include/BLAS.h"
 #include "include/LAPACK.h"

ext/linalg/dcomplex.h

@@ -11,7 +11,7 @@
 #include <stdlib.h>
 #include <math.h>
 
-#include <g2c.h>
+#include <f2c.h>
 
 #include "ruby.h"
 

ext/linalg/extconf.rb

@@ -13,8 +13,7 @@
 #
 ####################################################
 
-unless have_header("g2c.h") and
-      have_library("g2c") and
+unless have_header("f2c.h") and
       have_library("blas") and
       have_library("lapack")
    puts "A full LAPACK installation was not found."
@@ -32,8 +31,6 @@
 # why doesn't $INCFLAGS work
 $CFLAGS += " -I../lapack/include"
 
-$CFLAGS += ' -I.. -include g2c_typedefs.h'
-
 ####################################################
 #
 # Instantiator

ext/linalg/xdata.h

@@ -10,7 +10,7 @@
 
 #include "ruby.h"
 
-#include <g2c.h>
+#include <f2c.h>
 
 #include "linalg.h"
 #include "dcomplex.h"

ext/linalg/xmatrix.h.tmpl

@@ -12,7 +12,7 @@
 #include <math.h>
 #include <time.h>
 
-#include <g2c.h>
+#include <f2c.h>
 
 #include "BLAS.h"
 #include "LAPACK.h"