add extconf.rb for #70, x86_64_linux and xi686_linux

* i686 was never a whiner but consistent small minds are at work.
* yes x86_64 and i686 are identical.

make/x86_64_linux/tasks.rb

@@ -112,7 +112,8 @@ class MakeLinux
   class << self
     def copy_ext xdir, libdir
       Dir.chdir(xdir) do
-        unless system "ruby", "extconf.rb" and system "make"
+        extcnf = (File.exists? "#{TGT_ARCH}-extconf.rb") ? "#{TGT_ARCH}-extconf.rb" : 'extconf.rb'
+        unless system "ruby", "#{extcnf}" and system "make"
           raise "Extension build failed"
         end
       end

make/xi686_linux/tasks.rb

@@ -114,7 +114,8 @@ class MakeLinux
   class << self
     def copy_ext xdir, libdir
       Dir.chdir(xdir) do
-        unless system "ruby", "extconf.rb" and system "make"
+        extcnf = (File.exists? "#{TGT_ARCH}-extconf.rb") ? "#{TGT_ARCH}-extconf.rb" : 'extconf.rb'
+        unless system "ruby", "#{extcnf}" and system "make"
           raise "Extension build failed"
         end
       end

req/chipmunk/ext/chipmunk/x86_64_linux-extconf.rb

@@ -0,0 +1,8 @@
+
+require 'mkmf'
+
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-variable -Wno-implicit-function-declaration -Wno-unused-function'
+$CFLAGS += ' -Wno-implicit-function-declaration -Wno-return-type -Wno-pointer-to-int-cast'
+$CFLAGS += ' -Wno-format'
+create_makefile('chipmunk')

req/chipmunk/ext/chipmunk/xi686_linux-extconf.rb

@@ -0,0 +1,8 @@
+
+require 'mkmf'
+
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-variable -Wno-implicit-function-declaration -Wno-unused-function'
+$CFLAGS += ' -Wno-implicit-function-declaration -Wno-return-type -Wno-pointer-to-int-cast'
+$CFLAGS += ' -Wno-format'
+create_makefile('chipmunk')

req/ftsearch/ext/ftsearchrt/x86_64_linux-extconf.rb

@@ -0,0 +1,8 @@
+
+require 'mkmf'
+
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-variable -Wno-implicit-function-declaration -Wno-unused-function'
+$CFLAGS += ' -Wno-implicit-function-declaration -Wno-return-type -Wno-pointer-to-int-cast'
+$CFLAGS += ' -Wno-format -Wno-unused-but-set-variable'
+create_makefile('ftsearchrt')

req/ftsearch/ext/ftsearchrt/xi686_linux-extconf.rb

@@ -0,0 +1,8 @@
+
+require 'mkmf'
+
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-variable -Wno-implicit-function-declaration -Wno-unused-function'
+$CFLAGS += ' -Wno-implicit-function-declaration -Wno-return-type -Wno-pointer-to-int-cast'
+$CFLAGS += ' -Wno-format -Wno-unused-but-set-variable'
+create_makefile('ftsearchrt')

req/hpricot/ext/fast_xs/x86_64_linux-extconf.rb

@@ -0,0 +1,10 @@
+require 'mkmf'
+
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-variable -Wno-implicit-function-declaration -Wno-unused-function'
+$CFLAGS += ' -Wno-implicit-function-declaration -Wno-return-type -Wno-pointer-to-int-cast'
+$CFLAGS += ' -Wno-format'
+#have_header('stdio.h') or exit
+dir_config('fast_xs')
+create_makefile('fast_xs')
+#abort "in fast_xs CC = #{CONFIG['CC']}"

req/hpricot/ext/fast_xs/xi686_linux-extconf.rb

@@ -0,0 +1,10 @@
+require 'mkmf'
+
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-variable -Wno-implicit-function-declaration -Wno-unused-function'
+$CFLAGS += ' -Wno-implicit-function-declaration -Wno-return-type -Wno-pointer-to-int-cast'
+$CFLAGS += ' -Wno-format'
+#have_header('stdio.h') or exit
+dir_config('fast_xs')
+create_makefile('fast_xs')
+#abort "in fast_xs CC = #{CONFIG['CC']}"

req/hpricot/ext/hpricot_scan/x86_64_linux-extconf.rb

@@ -0,0 +1,10 @@
+require 'mkmf'
+
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-variable -Wno-implicit-function-declaration -Wno-unused-function'
+$CFLAGS += ' -Wno-implicit-function-declaration -Wno-return-type -Wno-pointer-to-int-cast'
+$CFLAGS += ' -Wno-format -Wno-uninitialized -Wno-extra'
+
+dir_config("hpricot_scan")
+#have_library("c", "main")
+create_makefile("hpricot_scan")

req/hpricot/ext/hpricot_scan/xi686_linux-extconf.rb

@@ -0,0 +1,10 @@
+require 'mkmf'
+
+$CFLAGS += ' -Wno-declaration-after-statement -std=gnu99 -ffast-math'
+$CFLAGS += ' -Wno-unused-variable -Wno-implicit-function-declaration -Wno-unused-function'
+$CFLAGS += ' -Wno-implicit-function-declaration -Wno-return-type -Wno-pointer-to-int-cast'
+$CFLAGS += ' -Wno-format -Wno-uninitialized -Wno-extra'
+
+dir_config("hpricot_scan")
+#have_library("c", "main")
+create_makefile("hpricot_scan")

req/sqlite3/ext/sqlite3/x86_64_linux-extconf.rb

@@ -0,0 +1,52 @@
+
+puts "Loading sqlite3 mkmf"
+require 'mkmf'
+
+
+# :stopdoc:
+#RbConfig::CONFIG['CC'] = ENV['CC'] if ENV['CC'] # for compiling tests.
+#RbConfig::MAKEFILE_CONFIG['CC'] = ENV['CC'] if ENV['CC']
+
+# --with-sqlite3-{dir,include,lib}
+dir_config("sqlite3")
+
+# prioritize local builds
+#if enable_config("local", false)
+#  $LDFLAGS = ENV.fetch("LDFLAGS", "")
+#end
+
+def asplode missing
+  if RUBY_PLATFORM =~ /mingw|mswin/
+    abort "#{missing} is missing. Install SQLite3 from " +
+          "http://www.sqlite.org/ first."
+  else
+    abort <<-error
+#{missing} is missing. Try 'port install sqlite3 +universal',
+'yum install sqlite-devel' or 'apt-get install libsqlite3-dev'
+and check your shared library search path (the
+location where your sqlite3 shared library is located).
+    error
+  end
+end
+
+asplode('sqlite3.h')  unless find_header  'sqlite3.h'
+asplode('sqlite3') unless find_library 'sqlite3', 'sqlite3_libversion_number'
+
+# Functions defined in 1.9 but not 1.8
+have_func('rb_proc_arity')
+
+# Functions defined in 2.1 but not 2.0
+have_func('rb_integer_pack')
+
+# These functions may not be defined
+have_func('sqlite3_initialize')
+have_func('sqlite3_backup_init')
+have_func('sqlite3_column_database_name')
+have_func('sqlite3_enable_load_extension')
+have_func('sqlite3_load_extension')
+have_func('sqlite3_open_v2')
+have_func('sqlite3_prepare_v2')
+have_type('sqlite3_int64', 'sqlite3.h')
+have_type('sqlite3_uint64', 'sqlite3.h')
+
+create_makefile('sqlite3/sqlite3_native')

req/sqlite3/ext/sqlite3/xi686_linux-extconf.rb

@@ -0,0 +1,50 @@
+"Loading sqlite3 mkmf for i686"
+require 'mkmf'
+
+# :stopdoc:
+#RbConfig::CONFIG['CC'] = ENV['CC'] if ENV['CC'] # for compiling tests.
+#RbConfig::MAKEFILE_CONFIG['CC'] = ENV['CC'] if ENV['CC']
+
+# --with-sqlite3-{dir,include,lib}
+dir_config("sqlite3")
+
+# prioritize local builds
+#if enable_config("local", false)
+#  $LDFLAGS = ENV.fetch("LDFLAGS", "")
+#end
+
+def asplode missing
+  if RUBY_PLATFORM =~ /mingw|mswin/
+    abort "#{missing} is missing. Install SQLite3 from " +
+          "http://www.sqlite.org/ first."
+  else
+    abort <<-error
+#{missing} is missing. Try 'port install sqlite3 +universal',
+'yum install sqlite-devel' or 'apt-get install libsqlite3-dev'
+and check your shared library search path (the
+location where your sqlite3 shared library is located).
+    error
+  end
+end
+
+asplode('sqlite3.h')  unless find_header  'sqlite3.h'
+asplode('sqlite3') unless find_library 'sqlite3', 'sqlite3_libversion_number'
+
+# Functions defined in 1.9 but not 1.8
+have_func('rb_proc_arity')
+
+# Functions defined in 2.1 but not 2.0
+have_func('rb_integer_pack')
+
+# These functions may not be defined
+have_func('sqlite3_initialize')
+have_func('sqlite3_backup_init')
+have_func('sqlite3_column_database_name')
+have_func('sqlite3_enable_load_extension')
+have_func('sqlite3_load_extension')
+have_func('sqlite3_open_v2')
+have_func('sqlite3_prepare_v2')
+have_type('sqlite3_int64', 'sqlite3.h')
+have_type('sqlite3_uint64', 'sqlite3.h')
+
+create_makefile('sqlite3/sqlite3_native')