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, 7 insertions, 3 deletions

diff --git a/lib/string.in.h b/lib/string.in.h
index c57f041c06d..9b8ced24cd8 100644
--- a/lib/string.in.h
+++ b/lib/string.in.h
@@ -149,7 +149,7 @@ _GL_CXXALIAS_SYS_CAST2 (memchr,
 _GL_CXXALIASWARN1 (memchr, void *, (void *__s, int __c, size_t __n));
 _GL_CXXALIASWARN1 (memchr, void const *,
                    (void const *__s, int __c, size_t __n));
-# else
+# elif __GLIBC__ >= 2
 _GL_CXXALIASWARN (memchr);
 # endif
 #elif defined GNULIB_POSIXCHECK
@@ -417,7 +417,9 @@ _GL_CXXALIAS_RPL (strncat, char *, (char *dest, const char *src, size_t n));
 # else
 _GL_CXXALIAS_SYS (strncat, char *, (char *dest, const char *src, size_t n));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (strncat);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef strncat
 # if HAVE_RAW_DECL_STRNCAT
@@ -512,7 +514,7 @@ _GL_CXXALIAS_SYS_CAST2 (strpbrk,
 _GL_CXXALIASWARN1 (strpbrk, char *, (char *__s, char const *__accept));
 _GL_CXXALIASWARN1 (strpbrk, char const *,
                    (char const *__s, char const *__accept));
-# else
+# elif __GLIBC__ >= 2
 _GL_CXXALIASWARN (strpbrk);
 # endif
 # if defined GNULIB_POSIXCHECK
@@ -614,7 +616,7 @@ _GL_CXXALIAS_SYS_CAST2 (strstr,
 _GL_CXXALIASWARN1 (strstr, char *, (char *haystack, const char *needle));
 _GL_CXXALIASWARN1 (strstr, const char *,
                    (const char *haystack, const char *needle));
-# else
+# elif __GLIBC__ >= 2
 _GL_CXXALIASWARN (strstr);
 # endif
 #elif defined GNULIB_POSIXCHECK
@@ -980,7 +982,9 @@ _GL_CXXALIAS_RPL (strerror, char *, (int));
 # else
 _GL_CXXALIAS_SYS (strerror, char *, (int));
 # endif
+# if __GLIBC__ >= 2
 _GL_CXXALIASWARN (strerror);
+# endif
 #elif defined GNULIB_POSIXCHECK
 # undef strerror
 /* Assume strerror is always declared.  */