Remove parallel algorithms

Author: chris-durand

include/algorithm

@@ -64,23 +64,4 @@
 # include <bits/ranges_algo.h>
 #endif
 
-#if __cplusplus > 201402L
-// Parallel STL algorithms
-# if _PSTL_EXECUTION_POLICIES_DEFINED
-// If <execution> has already been included, pull in implementations
-#  include <pstl/glue_algorithm_impl.h>
-#  else
-// Otherwise just pull in forward declarations
-#    include <pstl/glue_algorithm_defs.h>
-#    define _PSTL_ALGORITHM_FORWARD_DECLARED 1
-#  endif
-
-// Feature test macro for parallel algorithms
-# define __cpp_lib_parallel_algorithm 201603L
-#endif // C++17
-
-#ifdef _GLIBCXX_PARALLEL
-# include <parallel/algorithm>
-#endif
-
 #endif /* _GLIBCXX_ALGORITHM */

include/bits/algorithmfwd.h

@@ -959,9 +959,5 @@ _GLIBCXX_END_NAMESPACE_ALGO
 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace std
 
-#ifdef _GLIBCXX_PARALLEL
-# include <parallel/algorithmfwd.h>
-#endif
-
 #endif
 

include/bits/stl_algobase.h

@@ -2060,11 +2060,4 @@ _GLIBCXX_END_NAMESPACE_ALGO
 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace std
 
-// NB: This file is included within many other C++ includes, as a way
-// of getting the base algorithms. So, make sure that parallel bits
-// come in too if requested.
-#ifdef _GLIBCXX_PARALLEL
-# include <parallel/algobase.h>
-#endif
-
 #endif

include/execution

@@ -412,18 +412,4 @@ _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace
 #endif // C++11
 
-#if __cplusplus > 201402L
-// Parallel STL algorithms
-# if _PSTL_EXECUTION_POLICIES_DEFINED
-// If <execution> has already been included, pull in implementations
-#  include <pstl/glue_memory_impl.h>
-# else
-// Otherwise just pull in forward declarations
-#  include <pstl/glue_memory_defs.h>
-# endif
-
-// Feature test macro for parallel algorithms
-# define __cpp_lib_parallel_algorithm 201603L
-#endif // C++17
-
 #endif /* _GLIBCXX_MEMORY */

include/memory

@@ -62,10 +62,6 @@
 #include <bits/stl_numeric.h>
 #include <ext/numeric_traits.h>
 
-#ifdef _GLIBCXX_PARALLEL
-# include <parallel/numeric>
-#endif
-
 /**
  * @defgroup numerics Numerics
  *
@@ -698,18 +694,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace std
 
-// Parallel STL algorithms
-# if _PSTL_EXECUTION_POLICIES_DEFINED
-// If <execution> has already been included, pull in implementations
-#  include <pstl/glue_numeric_impl.h>
-# else
-// Otherwise just pull in forward declarations
-#  include <pstl/glue_numeric_defs.h>
-#  define _PSTL_NUMERIC_FORWARD_DECLARED 1
-# endif
-
-// Feature test macro for parallel algorithms
-# define __cpp_lib_parallel_algorithm 201603L
 #endif // C++17
 
 #endif /* _GLIBCXX_NUMERIC */