3 files changed, 21 insertions, 15 deletions
diff --git a/src/base/tl/base.h b/src/base/tl/base.h
index 2fcb14eb..ce77db84 100644
--- a/src/base/tl/base.h
+++ b/src/base/tl/base.h
@@ -5,7 +5,7 @@
 
 #include <base/system.h>
 
-inline void assert(bool statement)
+inline void tl_assert(bool statement)
 {
 	dbg_assert(statement, "assert!");
 }
diff --git a/src/base/tl/range.h b/src/base/tl/range.h
index f05169fa..1d225f49 100644
--- a/src/base/tl/range.h
+++ b/src/base/tl/range.h
@@ -150,11 +150,11 @@ public:
 	}
 
 	bool empty() const { return begin >= end; }
-	void pop_front() { assert(!empty()); begin++; }
-	void pop_back() { assert(!empty()); end--; }
-	T& front() { assert(!empty()); return *begin; }
-	T& back() { assert(!empty()); return *(end-1); }
-	T& index(unsigned i) { assert(i >= 0 && i < (unsigned)(end-begin)); return begin[i]; }
+	void pop_front() { tl_assert(!empty()); begin++; }
+	void pop_back() { tl_assert(!empty()); end--; }
+	T& front() { tl_assert(!empty()); return *begin; }
+	T& back() { tl_assert(!empty()); return *(end-1); }
+	T& index(unsigned i) { tl_assert(i < (unsigned)(end-begin)); return begin[i]; }
 	unsigned size() const { return (unsigned)(end-begin); }
 	plain_range slice(unsigned startindex, unsigned endindex)
 	{
diff --git a/src/base/tl/threading.h b/src/base/tl/threading.h
index dbf788cd..5caf8588 100644
--- a/src/base/tl/threading.h
+++ b/src/base/tl/threading.h
@@ -58,15 +58,21 @@
 	#error missing atomic implementation for this compiler
 #endif
 
-class semaphore
-{
-	SEMAPHORE sem;
-public:
-	semaphore() { semaphore_init(&sem); }
-	~semaphore() { semaphore_destroy(&sem); }
-	void wait() { semaphore_wait(&sem); }
-	void signal() { semaphore_signal(&sem); }
-};
+#if defined(CONF_PLATFORM_MACOSX)
+	/*
+		use semaphore provided by SDL on macosx
+	*/
+#else
+	class semaphore
+	{
+		SEMAPHORE sem;
+	public:
+		semaphore() { semaphore_init(&sem); }
+		~semaphore() { semaphore_destroy(&sem); }
+		void wait() { semaphore_wait(&sem); }
+		void signal() { semaphore_signal(&sem); }
+	};
+#endif
 
 class lock
 {