Index: devel/google-sparsehash/Makefile
===================================================================
--- devel/google-sparsehash/Makefile
+++ devel/google-sparsehash/Makefile
@@ -15,7 +15,7 @@
 COMMENT=	Extremely memory-efficient hash_map implementation
 
 GNU_CONFIGURE=	yes
-USE_GCC=	4.8+
+USES=		compiler:c++11-lang
 
 OPTIONS_DEFINE=	DOCS
 
Index: devel/google-sparsehash/files/patch-src-sparsehash-internal-sparsehashtable.h
===================================================================
--- /dev/null
+++ devel/google-sparsehash/files/patch-src-sparsehash-internal-sparsehashtable.h
@@ -0,0 +1,29 @@
+--- src/sparsehash/internal/sparsehashtable.h.orig	2012-02-23 00:49:42.000000000 +0400
++++ src/sparsehash/internal/sparsehashtable.h	2014-09-01 16:43:55.000000000 +0400
+@@ -165,7 +165,7 @@ struct sparse_hashtable_iterator {
+  public:
+   typedef sparse_hashtable_iterator<V,K,HF,ExK,SetK,EqK,A>       iterator;
+   typedef sparse_hashtable_const_iterator<V,K,HF,ExK,SetK,EqK,A> const_iterator;
+-  typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,A>::nonempty_iterator
++typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,value_alloc_type>::nonempty_iterator
+       st_iterator;
+ 
+   typedef std::forward_iterator_tag iterator_category;  // very little defined!
+@@ -217,7 +217,7 @@ struct sparse_hashtable_const_iterator {
+  public:
+   typedef sparse_hashtable_iterator<V,K,HF,ExK,SetK,EqK,A>       iterator;
+   typedef sparse_hashtable_const_iterator<V,K,HF,ExK,SetK,EqK,A> const_iterator;
+-  typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,A>::const_nonempty_iterator
++typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,value_alloc_type>::const_nonempty_iterator
+       st_iterator;
+ 
+   typedef std::forward_iterator_tag iterator_category;  // very little defined!
+@@ -271,7 +271,7 @@ struct sparse_hashtable_destructive_iter
+ 
+  public:
+   typedef sparse_hashtable_destructive_iterator<V,K,HF,ExK,SetK,EqK,A> iterator;
+-  typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,A>::destructive_iterator
++typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,value_alloc_type>::destructive_iterator
+       st_iterator;
+ 
+   typedef std::forward_iterator_tag iterator_category;  // very little defined!
@@ -0,0 +1,29 @@
+--- src/sparsehash/internal/sparsehashtable.h.orig	2012-02-23 00:49:42.000000000 +0400
++++ src/sparsehash/internal/sparsehashtable.h	2014-09-01 16:43:55.000000000 +0400
+@@ -165,7 +165,7 @@ struct sparse_hashtable_iterator {
+  public:
+   typedef sparse_hashtable_iterator<V,K,HF,ExK,SetK,EqK,A>       iterator;
+   typedef sparse_hashtable_const_iterator<V,K,HF,ExK,SetK,EqK,A> const_iterator;
+-  typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,A>::nonempty_iterator
++typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,value_alloc_type>::nonempty_iterator
+       st_iterator;
+ 
+   typedef std::forward_iterator_tag iterator_category;  // very little defined!
+@@ -217,7 +217,7 @@ struct sparse_hashtable_const_iterator {
+  public:
+   typedef sparse_hashtable_iterator<V,K,HF,ExK,SetK,EqK,A>       iterator;
+   typedef sparse_hashtable_const_iterator<V,K,HF,ExK,SetK,EqK,A> const_iterator;
+-  typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,A>::const_nonempty_iterator
++typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,value_alloc_type>::const_nonempty_iterator
+       st_iterator;
+ 
+   typedef std::forward_iterator_tag iterator_category;  // very little defined!
+@@ -271,7 +271,7 @@ struct sparse_hashtable_destructive_iter
+ 
+  public:
+   typedef sparse_hashtable_destructive_iterator<V,K,HF,ExK,SetK,EqK,A> iterator;
+-  typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,A>::destructive_iterator
++typedef typename sparsetable<V,DEFAULT_GROUP_SIZE,value_alloc_type>::destructive_iterator
+       st_iterator;
+ 
+   typedef std::forward_iterator_tag iterator_category;  // very little defined!