[filesystem] 'mbstate_t' : is not a member of 'std'

[faridz@…]

The ​stdcxx is the another implementation of the STL (initially based on RogueWave STL).

The following errors are encountered when running boost regression tests on msvc with stdcxx-4.2.0.

path.cpp
..\libs\filesystem\src\path.cpp(40) : error C2039: 'mbstate_t' : is not a member of 'std'
..\libs\filesystem\src\path.cpp(40) : error C2065: 'mbstate_t' : undeclared identifier
..\libs\filesystem\src\path.cpp(43) : error C2039: 'mbstate_t' : is not a member of 'std'
..\libs\filesystem\src\path.cpp(45) : error C2039: 'mbstate_t' : is not a member of 'std'
..\libs\filesystem\src\path.cpp(46) : error C3206: 'std::use_facet' : invalid template argument for '_Facet', missing template argument list on class template 'std::codecvt'
        D:\stdcxx\4.2.x\include\loc/_locale.h(82) : see declaration of 'std::use_facet'
..\libs\filesystem\src\path.cpp(46) : fatal error C1903: unable to recover fromprevious error(s); stopping compilation

The proposed patch:

Index: libs/filesystem/src/path.cpp
===================================================================
--- libs/filesystem/src/path.cpp	(revision 42908)
+++ libs/filesystem/src/path.cpp	(working copy)
@@ -24,6 +24,8 @@
 #include <boost/cerrno.hpp>
 #include <boost/system/error_code.hpp>
 
+#include <cwchar>      // fot std::mbstate_t
+
 namespace
 {
   // std::locale construction can throw (if LC_MESSAGES is wrong, for example),

[faridz@…]

An another errors:

fstream_test.cpp
d:\boost\boost\libs\filesystem\test\lpath.hpp(22) : error C2146: syntax error : missing ';' before identifier 'off_type'
d:\boost\boost\libs\filesystem\test\lpath.hpp(22) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
d:\boost\boost\libs\filesystem\test\lpath.hpp(22) : error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

The proposed patch:

Index: libs/filesystem/test/lpath.hpp
===================================================================
--- libs/filesystem/test/lpath.hpp	(revision 42908)
+++ libs/filesystem/test/lpath.hpp	(working copy)
@@ -10,6 +10,7 @@
 
 #include <boost/filesystem/path.hpp>
 #include <string>
+#include <ios>         // for std::streamoff
 
 namespace std
 {

[faridz@…]

The error in wide_test.cpp:

wide_test.cpp
..\libs\filesystem\test\wide_test.cpp(109) : error C2039: 'mbstate_t' : is not a member of 'std'
..\libs\filesystem\test\wide_test.cpp(136) : error C2039: 'hex' : is not a member of 'std'
..\libs\filesystem\test\wide_test.cpp(136) : error C2065: 'hex' : undeclared identifier
..\libs\filesystem\test\wide_test.cpp(137) : error C2039: 'dec' : is not a member of 'std'
..\libs\filesystem\test\wide_test.cpp(137) : error C2065: 'dec' : undeclared identifier

The proposed patch:

Index: libs/filesystem/test/wide_test.cpp
===================================================================
--- libs/filesystem/test/wide_test.cpp	(revision 42908)
+++ libs/filesystem/test/wide_test.cpp	(working copy)
@@ -30,7 +30,7 @@
 namespace fs = boost::filesystem;
 
 #include <iostream>
-#include <iomanip>
+#include <ios>    // for std::hex, std::dec
 #include <string>
 #include <cerrno>

[faridz@…]

Ping.

[faridz@…]

Possibly this can be done in 1.35.1 release?

[Beman Dawes]

Fixed. Please reopen if the changes don't solve the problem.

Thanks,

--Beman