Added inline namespace for all .hpp and .cpp file.

src/include/migraph/dfor.hpp

 #ifndef MIGRAPH_GUARD_MIGRAPHLIB_DFOR_HPP
 #define MIGRAPH_GUARD_MIGRAPHLIB_DFOR_HPP
 
-namespace migraph {
+#include <migraph/config.hpp>
+
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 // Multidimensional for loop
 inline auto dfor()
@@ -20,6 +22,7 @@ auto dfor(T x, Ts... xs)
     };
 }
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/eliminate_allocation.hpp

@@ -3,8 +3,10 @@
 
 #include <string>
 #include <migraph/instruction_ref.hpp>
+#include <migraph/config.hpp>
+
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
-namespace migraph {
 struct program;
 
 struct eliminate_allocation
@@ -14,6 +16,8 @@ struct eliminate_allocation
     std::string name() const { return "eliminate_allocation"; }
     void apply(program& p) const;
 };
+
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/eliminate_contiguous.hpp

@@ -3,8 +3,9 @@
 
 #include <string>
 #include <migraph/instruction_ref.hpp>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 struct program;
 
@@ -14,6 +15,7 @@ struct eliminate_contiguous
     void apply(program& p) const;
 };
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/env.hpp

@@ -3,8 +3,9 @@
 
 #include <vector>
 #include <string>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 // Declare a cached environment variable
 #define MIGRAPH_DECLARE_ENV_VAR(x)                \
@@ -31,6 +32,7 @@ bool disabled(T)
     return result;
 }
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/erase.hpp

@@ -2,8 +2,9 @@
 #define MIGRAPH_GUARD_ERASE_HPP
 
 #include <algorithm>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 /**
  * @brief Erase all elements from a container
@@ -31,6 +32,7 @@ auto erase_if(R&& r, P&& pred)
     return r.erase(std::remove_if(r.begin(), r.end(), pred), r.end());
 }
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/errors.hpp

@@ -4,8 +4,9 @@
 #include <exception>
 #include <stdexcept>
 #include <string>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 /// Represents exceptions that can be thrown by migraphlib
 struct exception : std::runtime_error
@@ -44,6 +45,7 @@ inline std::string make_source_context(const std::string& file, int line)
 #define MIGRAPH_THROW(...) \
     throw migraph::make_exception(migraph::make_source_context(__FILE__, __LINE__), __VA_ARGS__)
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/fallthrough.hpp

 #ifndef MIGRAPH_GUARD_FALLTHROUGH_HPP
 #define MIGRAPH_GUARD_FALLTHROUGH_HPP
 
-namespace migraph {
+#include <migraph/config.hpp>
+
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 #ifdef __clang__
 #define MIGRAPH_FALLTHROUGH [[clang::fallthrough]]
@@ -9,6 +11,7 @@ namespace migraph {
 #define MIGRAPH_FALLTHROUGH
 #endif
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/float_equal.hpp

@@ -9,8 +9,9 @@
 #endif
 
 #include <migraph/requires.hpp>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 template <class... Ts>
 using common_type = typename std::common_type<Ts...>::type;
@@ -40,6 +41,7 @@ struct float_equal_fn
 
 static constexpr float_equal_fn float_equal{};
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/functional.hpp

@@ -2,8 +2,9 @@
 #define MIGRAPH_GUARD_RTGLIB_FUNCTIONAL_HPP
 
 #include <utility>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 struct swallow
 {
@@ -129,6 +130,7 @@ auto fold(F f)
     return [=](auto&&... xs) { return fold_impl(f, std::forward<decltype(xs)>(xs)...); };
 }
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/fwd_conv_batchnorm_rewrite.hpp

@@ -3,8 +3,9 @@
 
 #include <string>
 #include <migraph/instruction_ref.hpp>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 struct program;
 
@@ -14,6 +15,7 @@ struct fwd_conv_batchnorm_rewrite
     void apply(program& p) const;
 };
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/generate.hpp

@@ -4,9 +4,10 @@
 #include <migraph/argument.hpp>
 #include <migraph/literal.hpp>
 #include <migraph/type_traits.hpp>
+#include <migraph/config.hpp>
 #include <random>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 template <class T, MIGRAPH_REQUIRES(is_floating_point<T>{})>
 constexpr T normalize(unsigned long z)
@@ -91,6 +92,7 @@ literal generate_literal(shape s, unsigned long seed = 0);
 
 literal abs(literal l);
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/half.hpp

@@ -9,8 +9,9 @@
 #define MIGRAPH_GUARD_RTGLIB_HALF_HPP
 
 #include <half.hpp>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 using half = half_float::half;
 
@@ -31,6 +32,7 @@ struct deduce<half_float::detail::expr>
 template <class T>
 using deduce = typename detail::deduce<T>::type;
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/instruction.hpp

@@ -6,10 +6,11 @@
 #include <migraph/instruction_ref.hpp>
 #include <migraph/operation.hpp>
 #include <migraph/erase.hpp>
+#include <migraph/config.hpp>
 #include <string>
 #include <utility>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 shape compute_shape(const operation& op, const std::vector<instruction_ref>& args);
 
@@ -88,6 +89,7 @@ struct instruction
     std::vector<instruction_ref> arguments;
     literal lit;
 };
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 namespace std {
@@ -101,6 +103,7 @@ struct hash<migraph::instruction_ref>
         return std::hash<migraph::instruction*>{}(&*x);
     }
 };
+
 } // namespace std
 
 #endif

src/include/migraph/instruction_ref.hpp

@@ -3,12 +3,14 @@
 
 #include <list>
 #include <functional>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 struct instruction;
 using instruction_ref = std::list<instruction>::iterator;
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/iterator_for.hpp

@@ -3,8 +3,9 @@
 
 #include <cassert>
 #include <type_traits>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 template <class T>
 struct iterator_for_range
@@ -37,6 +38,7 @@ iterator_for_range<T> iterator_for(T& x)
     return {&x};
 }
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/literal.hpp

@@ -7,10 +7,11 @@
 #include <migraph/tensor_view.hpp>
 #include <migraph/raw_data.hpp>
 #include <migraph/make_shared_array.hpp>
+#include <migraph/config.hpp>
 
 #include <memory>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 /**
  * @brief Represents a raw literal
@@ -122,6 +123,7 @@ literal transform(literal l1, literal l2, F f)
     return result;
 }
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/make_shared_array.hpp

@@ -2,8 +2,9 @@
 #define MIGRAPH_GUARD_MIGRAPHLIB_MAKE_SHARED_ARRAY_HPP
 
 #include <memory>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 template <typename T>
 std::shared_ptr<T> make_shared_array(size_t size)
@@ -11,6 +12,7 @@ std::shared_ptr<T> make_shared_array(size_t size)
     return std::shared_ptr<T>(new T[size], std::default_delete<T[]>());
 }
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/manage_ptr.hpp

@@ -3,8 +3,9 @@
 
 #include <memory>
 #include <type_traits>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 template <class F, F f> // NOLINT
 struct manage_deleter
@@ -49,6 +50,7 @@ shared<T> share(T p)
     return shared<T>{std::move(p)};
 }
 
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #define MIGRAPH_MANAGE_PTR(T, F) \

src/include/migraph/matcher.hpp

@@ -6,9 +6,10 @@
 #include <migraph/instruction.hpp>
 #include <migraph/program.hpp>
 #include <migraph/iterator_for.hpp>
+#include <migraph/config.hpp>
 #include <unordered_map>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 
 namespace match {
 
@@ -338,7 +339,7 @@ inline auto either_arg(std::size_t i, std::size_t j)
 }
 
 } // namespace match
-
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif

src/include/migraph/memory_coloring.hpp

@@ -3,8 +3,9 @@
 
 #include <string>
 #include <migraph/instruction_ref.hpp>
+#include <migraph/config.hpp>
 
-namespace migraph {
+namespace migraph { inline namespace MIGRAPH_INLINE_NS {
 struct program;
 
 struct memory_coloring
@@ -13,6 +14,8 @@ struct memory_coloring
     std::string name() const { return "memory coloring"; }
     void apply(program& p) const;
 };
+
+} // inline namespace MIGRAPH_INLINE_NS
 } // namespace migraph
 
 #endif