gnulib: update to 776af40e0

[deliverable/binutils-gdb.git] / gnulib / import / c++defs.h

diff --git a/gnulib/import/c++defs.h b/gnulib/import/c++defs.h
index 3e6aaabc9ce62b647d86f4bc6def0893ced22783..39df1bc76bcd3f02ada45247dd26a16d4cc3b8fc 100644 (file)
--- a/gnulib/import/c++defs.h
+++ b/gnulib/import/c++defs.h
@@ -1,5 +1,5 @@
 /* C++ compatible function declaration macros.
-   Copyright (C) 2010-2020 Free Software Foundation, Inc.
+   Copyright (C) 2010-2021 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published
@@ -146,6 +146,16 @@
     _GL_EXTERN_C int _gl_cxxalias_dummy
 #endif
 
+/* _GL_CXXALIAS_MDA (func, rettype, parameters);
+   is to be used when func is a Microsoft deprecated alias, on native Windows.
+   It declares a C++ alias called GNULIB_NAMESPACE::func
+   that redirects to _func, if GNULIB_NAMESPACE is defined.
+   Example:
+     _GL_CXXALIAS_MDA (open, int, (const char *filename, int flags, ...));
+ */
+#define _GL_CXXALIAS_MDA(func,rettype,parameters) \
+  _GL_CXXALIAS_RPL_1 (func, _##func, rettype, parameters)
+
 /* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters);
    is like  _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters);
    except that the C function rpl_func may have a slightly different
@@ -171,6 +181,14 @@
     _GL_EXTERN_C int _gl_cxxalias_dummy
 #endif
 
+/* _GL_CXXALIAS_MDA_CAST (func, rettype, parameters);
+   is like  _GL_CXXALIAS_MDA (func, rettype, parameters);
+   except that the C function func may have a slightly different declaration.
+   A cast is used to silence the "invalid conversion" error that would
+   otherwise occur.  */
+#define _GL_CXXALIAS_MDA_CAST(func,rettype,parameters) \
+  _GL_CXXALIAS_RPL_CAST_1 (func, _##func, rettype, parameters)
+
 /* _GL_CXXALIAS_SYS (func, rettype, parameters);
    declares a C++ alias called GNULIB_NAMESPACE::func
    that redirects to the system provided function func, if GNULIB_NAMESPACE
@@ -268,7 +286,7 @@
    _GL_CXXALIASWARN_2 (func, namespace)
 /* To work around GCC bug <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
    we enable the warning only when not optimizing.  */
-# if !__OPTIMIZE__
+# if !(defined __GNUC__ && !defined __clang__ && __OPTIMIZE__)
 #  define _GL_CXXALIASWARN_2(func,namespace) \
     _GL_WARN_ON_USE (func, \
                      "The symbol ::" #func " refers to the system function. " \
@@ -296,9 +314,9 @@
    _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace)
 /* To work around GCC bug <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>,
    we enable the warning only when not optimizing.  */
-# if !__OPTIMIZE__
+# if !(defined __GNUC__ && !defined __clang__ && __OPTIMIZE__)
 #  define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \
-    _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \
+    _GL_WARN_ON_USE_CXX (func, rettype, rettype, parameters_and_attributes, \
                          "The symbol ::" #func " refers to the system function. " \
                          "Use " #namespace "::" #func " instead.")
 # else