compat headers

Author: anarthal

include/boost/charconv/chars_format.hpp

@@ -5,6 +5,17 @@
 #ifndef BOOST_CHARCONV_CHARS_FORMAT_HPP
 #define BOOST_CHARCONV_CHARS_FORMAT_HPP
 
+#if defined(BOOST_USE_MODULES) && !defined(BOOST_CHARCONV_INTERFACE_UNIT)
+
+#ifndef BOOST_IN_MODULE_PURVIEW
+import boost.charconv;
+#ifndef BOOST_CHARCONV_CONSTEXPR
+#define BOOST_CHARCONV_CONSTEXPR constexpr
+#endif 
+#endif
+
+#else
+
 #include <boost/charconv/config.hpp>
 
 namespace boost { namespace charconv {
@@ -21,4 +32,6 @@ BOOST_CHARCONV_MODULE_EXPORT enum class chars_format : unsigned
 
 }} // Namespaces
 
+#endif // defined(BOOST_USE_MODULES) && !defined(BOOST_CHARCONV_INTERFACE_UNIT)
+
 #endif // BOOST_CHARCONV_CHARS_FORMAT_HPP

include/boost/charconv/from_chars.hpp

@@ -6,6 +6,17 @@
 #ifndef BOOST_CHARCONV_FROM_CHARS_HPP_INCLUDED
 #define BOOST_CHARCONV_FROM_CHARS_HPP_INCLUDED
 
+#if defined(BOOST_USE_MODULES) && !defined(BOOST_CHARCONV_INTERFACE_UNIT)
+
+#ifndef BOOST_IN_MODULE_PURVIEW
+import boost.charconv;
+#ifndef BOOST_CHARCONV_CONSTEXPR
+#define BOOST_CHARCONV_CONSTEXPR constexpr
+#endif 
+#endif
+
+#else
+
 #include <boost/charconv/detail/config.hpp>
 #include <boost/charconv/detail/from_chars_result.hpp>
 #include <boost/charconv/detail/from_chars_integer_impl.hpp>
@@ -252,4 +263,6 @@ BOOST_CHARCONV_MODULE_EXPORT BOOST_CHARCONV_DECL from_chars_result from_chars(bo
 } // namespace charconv
 } // namespace boost
 
+#endif // defined(BOOST_USE_MODULES) && !defined(BOOST_CHARCONV_INTERFACE_UNIT)
+
 #endif // #ifndef BOOST_CHARCONV_FROM_CHARS_HPP_INCLUDED

include/boost/charconv/limits.hpp

@@ -5,6 +5,17 @@
 #ifndef BOOST_CHARCONV_LIMITS_HPP
 #define BOOST_CHARCONV_LIMITS_HPP
 
+#if defined(BOOST_USE_MODULES) && !defined(BOOST_CHARCONV_INTERFACE_UNIT)
+
+#ifndef BOOST_IN_MODULE_PURVIEW
+import boost.charconv;
+#ifndef BOOST_CHARCONV_CONSTEXPR
+#define BOOST_CHARCONV_CONSTEXPR constexpr
+#endif 
+#endif
+
+#else
+
 #include <boost/charconv/detail/config.hpp>
 #include <boost/config/std/limits.hpp>
 #include <boost/config/std/type_traits.hpp>
@@ -94,4 +105,6 @@ template<typename T> BOOST_ATTRIBUTE_UNUSED constexpr int limits<T>::max_chars;
 
 }} // namespace boost::charconv
 
+#endif // defined(BOOST_USE_MODULES) && !defined(BOOST_CHARCONV_INTERFACE_UNIT)
+
 #endif // BOOST_CHARCONV_LIMITS_HPP

include/boost/charconv/to_chars.hpp

@@ -7,6 +7,17 @@
 #ifndef BOOST_CHARCONV_TO_CHARS_HPP_INCLUDED
 #define BOOST_CHARCONV_TO_CHARS_HPP_INCLUDED
 
+#if defined(BOOST_USE_MODULES) && !defined(BOOST_CHARCONV_INTERFACE_UNIT)
+
+#ifndef BOOST_IN_MODULE_PURVIEW
+import boost.charconv;
+#ifndef BOOST_CHARCONV_CONSTEXPR
+#define BOOST_CHARCONV_CONSTEXPR constexpr
+#endif 
+#endif
+
+#else
+
 #include <boost/charconv/detail/to_chars_integer_impl.hpp>
 #include <boost/charconv/detail/to_chars_result.hpp>
 #include <boost/charconv/config.hpp>
@@ -144,4 +155,6 @@ BOOST_CHARCONV_MODULE_EXPORT BOOST_CHARCONV_DECL to_chars_result to_chars(char*
 } // namespace charconv
 } // namespace boost
 
+#endif // defined(BOOST_USE_MODULES) && !defined(BOOST_CHARCONV_INTERFACE_UNIT)
+
 #endif // #ifndef BOOST_CHARCONV_TO_CHARS_HPP_INCLUDED