Updated packages as per PR 1723 comments

packages/bacon.rb

@@ -12,8 +12,6 @@ class Bacon < Package
   binary_sha256 ({
   })
 
-  depends_on 'buildessential'
-
   def self.build
     system 'sed -i "s,/usr/share,\$\(DATADIR\)," Makefile.in'
     system './configure',

packages/bdwgc.rb

@@ -12,6 +12,11 @@ class Bdwgc < Package
   binary_sha256 ({
   })
 
+  depends_on 'autoconf' => :build
+  depends_on 'automake' => :build
+  depends_on 'libtool' => :build
+  depends_on 'pkgconfig' => :build
+
   depends_on 'libatomic_ops'
 
   def self.build

packages/libatomic_ops.rb

@@ -12,9 +12,14 @@ class Libatomic_ops < Package
   binary_sha256 ({
   })
 
+  depends_on 'autoconf' => :build
+  depends_on 'automake' => :build
+  depends_on 'libtool' => :build
+  depends_on 'pkgconfig' => :build
+
   def self.build
     system "./autogen.sh"
-    system "./configure"
+    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
     system "make"
   end