Update from Gnulib

This incorporates:
2019-11-24 Fix errors in C++ mode on mingw
2019-11-24 time_r: Fix for mingw (regression from 2019-11-16)
2019-11-24 sys_time: Fix errors in C++ mode on mingw
2019-11-22 intprops: INT_MULTIPLY_WRAPV speedup for GCC 8.4+
2019-11-21 Disable many _GL_CXXALIASWARN on non-glibc
2019-11-21 Fix various errors in _GL_CXXALIAS_SYS invocations
2019-11-19 intprops: INT_MULTIPLY_WRAPV speedup for GCC 9.3+
2019-11-18 stdint: Define [u]intptr_t correctly on 64-bit native Windows
2019-11-18 stdint: Fix value of WINT_MAX when we override wint_t
2019-11-18 stdint: Avoid "conflicting types" error on mingw 5.22
2019-11-16 time_r: Fix for mingw
2019-11-06 regex: now back in sync with glibc
* lib/intprops.h, lib/regexec.c, lib/signal.in.h:
* lib/stdint.in.h, lib/stdio.in.h, lib/stdlib.in.h:
* lib/string.in.h, lib/sys_select.in.h, lib/sys_time.in.h:
* lib/time.in.h, lib/unistd.in.h, m4/time_r.m4:
Copy from Gnulib.

1 files changed, 58 insertions, 0 deletions

diff --git a/lib/stdio.in.h b/lib/stdio.in.h
index 4a8aa55528b..7c283ad3917 100644
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -203,7 +203,9 @@ _GL_CXXALIAS_RPL (fclose, int, (FILE *stream));
 # else
 _GL_CXXALIAS_SYS (fclose, int, (FILE *stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fclose);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef fclose
 /* Assume fclose is always declared.  */
@@ -247,7 +249,9 @@ _GL_CXXALIAS_RPL (fflush, int, (FILE *gl_stream));
 # else
 _GL_CXXALIAS_SYS (fflush, int, (FILE *gl_stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fflush);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef fflush
 /* Assume fflush is always declared.  */
@@ -266,7 +270,9 @@ _GL_CXXALIAS_RPL (fgetc, int, (FILE *stream));
 # else
 _GL_CXXALIAS_SYS (fgetc, int, (FILE *stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fgetc);
+# endif
 #endif
 
 #if @GNULIB_FGETS@
@@ -281,7 +287,9 @@ _GL_CXXALIAS_RPL (fgets, char *, (char *s, int n, FILE *stream));
 # else
 _GL_CXXALIAS_SYS (fgets, char *, (char *s, int n, FILE *stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fgets);
+# endif
 #endif
 
 #if @GNULIB_FOPEN@
@@ -296,7 +304,9 @@ _GL_CXXALIAS_RPL (fopen, FILE *, (const char *filename, const char *mode));
 # else
 _GL_CXXALIAS_SYS (fopen, FILE *, (const char *filename, const char *mode));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fopen);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef fopen
 /* Assume fopen is always declared.  */
@@ -324,7 +334,9 @@ _GL_CXXALIAS_RPL (fprintf, int, (FILE *fp, const char *format, ...));
 # else
 _GL_CXXALIAS_SYS (fprintf, int, (FILE *fp, const char *format, ...));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fprintf);
+# endif
 #endif
 #if !@GNULIB_FPRINTF_POSIX@ && defined GNULIB_POSIXCHECK
 # if !GNULIB_overrides_fprintf
@@ -375,7 +387,9 @@ _GL_CXXALIAS_RPL (fputc, int, (int c, FILE *stream));
 # else
 _GL_CXXALIAS_SYS (fputc, int, (int c, FILE *stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fputc);
+# endif
 #endif
 
 #if @GNULIB_FPUTS@
@@ -390,7 +404,9 @@ _GL_CXXALIAS_RPL (fputs, int, (const char *string, FILE *stream));
 # else
 _GL_CXXALIAS_SYS (fputs, int, (const char *string, FILE *stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fputs);
+# endif
 #endif
 
 #if @GNULIB_FREAD@
@@ -405,7 +421,9 @@ _GL_CXXALIAS_RPL (fread, size_t, (void *ptr, size_t s, size_t n, FILE *stream));
 # else
 _GL_CXXALIAS_SYS (fread, size_t, (void *ptr, size_t s, size_t n, FILE *stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fread);
+# endif
 #endif
 
 #if @GNULIB_FREOPEN@
@@ -423,7 +441,9 @@ _GL_CXXALIAS_RPL (freopen, FILE *,
 _GL_CXXALIAS_SYS (freopen, FILE *,
                   (const char *filename, const char *mode, FILE *stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (freopen);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef freopen
 /* Assume freopen is always declared.  */
@@ -445,7 +465,9 @@ _GL_CXXALIAS_RPL (fscanf, int, (FILE *stream, const char *format, ...));
 # else
 _GL_CXXALIAS_SYS (fscanf, int, (FILE *stream, const char *format, ...));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fscanf);
+# endif
 #endif
 
 
@@ -496,7 +518,9 @@ _GL_CXXALIAS_RPL (fseek, int, (FILE *fp, long offset, int whence));
 # else
 _GL_CXXALIAS_SYS (fseek, int, (FILE *fp, long offset, int whence));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fseek);
+# endif
 #endif
 
 #if @GNULIB_FSEEKO@
@@ -559,7 +583,9 @@ _GL_CXXALIAS_RPL (ftell, long, (FILE *fp));
 # else
 _GL_CXXALIAS_SYS (ftell, long, (FILE *fp));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (ftell);
+# endif
 #endif
 
 #if @GNULIB_FTELLO@
@@ -639,7 +665,9 @@ extern size_t __REDIRECT (rpl_fwrite_unlocked,
 #   define fwrite_unlocked rpl_fwrite_unlocked
 #  endif
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (fwrite);
+# endif
 #endif
 
 #if @GNULIB_GETC@
@@ -653,7 +681,9 @@ _GL_CXXALIAS_RPL_1 (getc, rpl_fgetc, int, (FILE *stream));
 # else
 _GL_CXXALIAS_SYS (getc, int, (FILE *stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (getc);
+# endif
 #endif
 
 #if @GNULIB_GETCHAR@
@@ -667,7 +697,9 @@ _GL_CXXALIAS_RPL (getchar, int, (void));
 # else
 _GL_CXXALIAS_SYS (getchar, int, (void));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (getchar);
+# endif
 #endif
 
 #if @GNULIB_GETDELIM@
@@ -832,7 +864,9 @@ _GL_CXXALIAS_RPL (perror, void, (const char *string));
 # else
 _GL_CXXALIAS_SYS (perror, void, (const char *string));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (perror);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef perror
 /* Assume perror is always declared.  */
@@ -903,7 +937,9 @@ _GL_CXXALIAS_RPL (printf, int, (const char *format, ...));
 # else
 _GL_CXXALIAS_SYS (printf, int, (const char *format, ...));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (printf);
+# endif
 #endif
 #if !@GNULIB_PRINTF_POSIX@ && defined GNULIB_POSIXCHECK
 # if !GNULIB_overrides_printf
@@ -926,7 +962,9 @@ _GL_CXXALIAS_RPL_1 (putc, rpl_fputc, int, (int c, FILE *stream));
 # else
 _GL_CXXALIAS_SYS (putc, int, (int c, FILE *stream));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (putc);
+# endif
 #endif
 
 #if @GNULIB_PUTCHAR@
@@ -940,7 +978,9 @@ _GL_CXXALIAS_RPL (putchar, int, (int c));
 # else
 _GL_CXXALIAS_SYS (putchar, int, (int c));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (putchar);
+# endif
 #endif
 
 #if @GNULIB_PUTS@
@@ -954,7 +994,9 @@ _GL_CXXALIAS_RPL (puts, int, (const char *string));
 # else
 _GL_CXXALIAS_SYS (puts, int, (const char *string));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (puts);
+# endif
 #endif
 
 #if @GNULIB_REMOVE@
@@ -968,7 +1010,9 @@ _GL_CXXALIAS_RPL (remove, int, (const char *name));
 # else
 _GL_CXXALIAS_SYS (remove, int, (const char *name));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (remove);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef remove
 /* Assume remove is always declared.  */
@@ -991,7 +1035,9 @@ _GL_CXXALIAS_RPL (rename, int,
 _GL_CXXALIAS_SYS (rename, int,
                   (const char *old_filename, const char *new_filename));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (rename);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef rename
 /* Assume rename is always declared.  */
@@ -1056,7 +1102,9 @@ _GL_CXXALIAS_RPL (scanf, int, (const char *format, ...));
 # else
 _GL_CXXALIAS_SYS (scanf, int, (const char *format, ...));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (scanf);
+# endif
 #endif
 
 #if @GNULIB_SNPRINTF@
@@ -1110,7 +1158,9 @@ _GL_CXXALIAS_RPL (sprintf, int, (char *str, const char *format, ...));
 # else
 _GL_CXXALIAS_SYS (sprintf, int, (char *str, const char *format, ...));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (sprintf);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef sprintf
 /* Assume sprintf is always declared.  */
@@ -1129,7 +1179,9 @@ _GL_CXXALIAS_RPL (tmpfile, FILE *, (void));
 # else
 _GL_CXXALIAS_SYS (tmpfile, FILE *, (void));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (tmpfile);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef tmpfile
 # if HAVE_RAW_DECL_TMPFILE
@@ -1240,7 +1292,9 @@ _GL_CXXALIAS_RPL (vfprintf, int, (FILE *fp, const char *format, va_list args));
 _GL_CXXALIAS_SYS_CAST (vfprintf, int,
                        (FILE *fp, const char *format, va_list args));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (vfprintf);
+# endif
 #endif
 #if !@GNULIB_VFPRINTF_POSIX@ && defined GNULIB_POSIXCHECK
 # if !GNULIB_overrides_vfprintf
@@ -1294,7 +1348,9 @@ _GL_CXXALIAS_RPL (vprintf, int, (const char *format, va_list args));
    and GCC's fixincludes did not change this to __gnuc_va_list.  */
 _GL_CXXALIAS_SYS_CAST (vprintf, int, (const char *format, va_list args));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (vprintf);
+# endif
 #endif
 #if !@GNULIB_VPRINTF_POSIX@ && defined GNULIB_POSIXCHECK
 # if !GNULIB_overrides_vprintf
@@ -1370,7 +1426,9 @@ _GL_CXXALIAS_RPL (vsprintf, int,
 _GL_CXXALIAS_SYS_CAST (vsprintf, int,
                        (char *str, const char *format, va_list args));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (vsprintf);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef vsprintf
 /* Assume vsprintf is always declared.  */