Revert "Use -rpath to support shared objects properly." Doesn't work on Linux.

This reverts commit d35eb27077.

CHANGELOG

@@ -1,6 +1,4 @@
 
-v0.15.3. Switch to -rpath linker flag and use dynamic objects in the build (Matt Ingenthron).
-
 v0.15.2. Don't require memcached itself to build. Fix for AUTO_EJECT_HOSTS in random and modulus pools. Support binary protocol.
 
 v0.15.1. Fix build problem.

ext/extconf.rb

@@ -5,11 +5,7 @@ HERE = File.expand_path(File.dirname(__FILE__))
 BUNDLE = Dir.glob("libmemcached-*.tar.gz").first
 BUNDLE_PATH = BUNDLE.sub(".tar.gz", "")
 
-TARGET = if `uname -sp` == "Darwin i386\n"
-  :darwin
-else
-  :linux
-end
+DARWIN = `uname -sp` == "Darwin i386\n"
 
 if !ENV["EXTERNAL_LIB"]
   $includes = " -I#{HERE}/include"
@@ -17,9 +13,8 @@ if !ENV["EXTERNAL_LIB"]
 
   $CFLAGS = "#{$includes} #{$libraries} #{$CFLAGS}"
   $LDFLAGS = "#{$libraries} #{$LDFLAGS}"
-  $LIBS << " -lmemcached"
-
   $CPPFLAGS = $ARCH_FLAG = $DLDFLAGS = ""
+
   $LIBPATH = ["#{HERE}/lib"]
   $DEFLIBPATH = []
 
@@ -30,27 +25,28 @@ if !ENV["EXTERNAL_LIB"]
       puts "Building libmemcached."
       puts(cmd = "tar xzf #{BUNDLE} 2>&1")
       raise "'#{cmd}' failed" unless system(cmd)
-      
-      env = case TARGET
-        when :solaris then "CFLAGS='-fPIC -R=#{HERE}/lib' LDFLAGS='-fPIC -rpath=#{HERE}/lib'"
-        when :darwin, :linux then "CFLAGS='-fPIC -rpath=#{HERE}/lib' LDFLAGS='-fPIC -rpath=#{HERE}/lib'"
-      end
 
       Dir.chdir(BUNDLE_PATH) do
-        puts(cmd = "env #{env} ./configure --prefix=#{HERE} --without-memcached --disable-utils 2>&1")
+        puts(cmd = "env CFLAGS=-fPIC LDFLAGS=-fPIC ./configure --prefix=#{HERE} --without-memcached --disable-shared --disable-utils 2>&1")
         raise "'#{cmd}' failed" unless system(cmd)
-        puts(cmd = "make 2>&1")
+        puts(cmd = "make || true 2>&1")
         raise "'#{cmd}' failed" unless system(cmd)
-        puts(cmd = "make install 2>&1")
+        puts(cmd = "make install || true 2>&1")
         raise "'#{cmd}' failed" unless system(cmd)
       end
       system("rm -rf #{BUNDLE_PATH}")
     end
-  end  
+  end
+  
+  # Absolutely prevent the linker from picking up any other libmemcached
+  Dir.chdir("#{HERE}/lib") do
+    system("cp -f libmemcached.a libmemcached_gem.a") 
+    system("cp -f libmemcached.la libmemcached_gem.la") 
+  end
+  $LIBS << " -lmemcached_gem"
 end
 
-case TARGET
-when :darwin
+if DARWIN
   $CFLAGS.gsub! /-arch \S+/, ''
   $CFLAGS << " -arch i386"
   $LDFLAGS.gsub! /-arch \S+/, ''