Import man-db_2.8.4.orig.tar.xz

1 files changed, 314 insertions, 56 deletions

diff --git a/config.h.in b/config.h.in
index b2bc4b3b..a7a86fd1 100644
--- a/config.h.in
+++ b/config.h.in
@@ -1,5 +1,113 @@
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 
+/* CPU and C ABI indicator */
+#ifndef __i386__
+#undef __i386__
+#endif
+#ifndef __x86_64_x32__
+#undef __x86_64_x32__
+#endif
+#ifndef __x86_64__
+#undef __x86_64__
+#endif
+#ifndef __alpha__
+#undef __alpha__
+#endif
+#ifndef __arm__
+#undef __arm__
+#endif
+#ifndef __armhf__
+#undef __armhf__
+#endif
+#ifndef __arm64_ilp32__
+#undef __arm64_ilp32__
+#endif
+#ifndef __arm64__
+#undef __arm64__
+#endif
+#ifndef __hppa__
+#undef __hppa__
+#endif
+#ifndef __hppa64__
+#undef __hppa64__
+#endif
+#ifndef __ia64_ilp32__
+#undef __ia64_ilp32__
+#endif
+#ifndef __ia64__
+#undef __ia64__
+#endif
+#ifndef __m68k__
+#undef __m68k__
+#endif
+#ifndef __mips__
+#undef __mips__
+#endif
+#ifndef __mipsn32__
+#undef __mipsn32__
+#endif
+#ifndef __mips64__
+#undef __mips64__
+#endif
+#ifndef __powerpc__
+#undef __powerpc__
+#endif
+#ifndef __powerpc64__
+#undef __powerpc64__
+#endif
+#ifndef __powerpc64_elfv2__
+#undef __powerpc64_elfv2__
+#endif
+#ifndef __riscv32__
+#undef __riscv32__
+#endif
+#ifndef __riscv64__
+#undef __riscv64__
+#endif
+#ifndef __riscv32_ilp32__
+#undef __riscv32_ilp32__
+#endif
+#ifndef __riscv32_ilp32f__
+#undef __riscv32_ilp32f__
+#endif
+#ifndef __riscv32_ilp32d__
+#undef __riscv32_ilp32d__
+#endif
+#ifndef __riscv64_ilp32__
+#undef __riscv64_ilp32__
+#endif
+#ifndef __riscv64_ilp32f__
+#undef __riscv64_ilp32f__
+#endif
+#ifndef __riscv64_ilp32d__
+#undef __riscv64_ilp32d__
+#endif
+#ifndef __riscv64_lp64__
+#undef __riscv64_lp64__
+#endif
+#ifndef __riscv64_lp64f__
+#undef __riscv64_lp64f__
+#endif
+#ifndef __riscv64_lp64d__
+#undef __riscv64_lp64d__
+#endif
+#ifndef __s390__
+#undef __s390__
+#endif
+#ifndef __s390x__
+#undef __s390x__
+#endif
+#ifndef __sh__
+#undef __sh__
+#endif
+#ifndef __sparc__
+#undef __sparc__
+#endif
+#ifndef __sparc64__
+#undef __sparc64__
+#endif
+
+
 /* Define if building universal (internal helper macro) */
 #undef AC_APPLE_UNIVERSAL_BUILD
 
@@ -39,6 +147,9 @@
 /* Define to 1 if using `alloca.c'. */
 #undef C_ALLOCA
 
+/* Define to 1 if the C locale may have encoding errors. */
+#undef C_LOCALE_MAYBE_EILSEQ
+
 /* Define as the bit index in the word where to find bit 0 of the exponent of
    'double'. */
 #undef DBL_EXPBIT0_BIT
@@ -69,6 +180,15 @@
 /* Define this to 1 if F_DUPFD behavior does not match POSIX */
 #undef FCNTL_DUPFD_BUGGY
 
+/* Define to nothing if C supports flexible array members, and to 1 if it does
+   not. That way, with a declaration like 'struct s { int n; double
+   d[FLEXIBLE_ARRAY_MEMBER]; };', the struct hack can be used with pre-C99
+   compilers. When computing the size of such an object, don't use 'sizeof
+   (struct s)' as it overestimates the size. Use 'offsetof (struct s, d)'
+   instead. Don't use 'offsetof (struct s, d[0])', as this doesn't work with
+   MSVC and with C++ compilers. */
+#undef FLEXIBLE_ARRAY_MEMBER
+
 /* Define to 1 if nl_langinfo (YESEXPR) returns a non-empty string. */
 #undef FUNC_NL_LANGINFO_YESEXPR_WORKS
 
@@ -106,6 +226,10 @@
 #undef GNULIB_FDOPENDIR
 
 /* Define to a C preprocessor expression that evaluates to 1 or 0, depending
+   whether the gnulib module fd-safer-flag shall be considered present. */
+#undef GNULIB_FD_SAFER_FLAG
+
+/* Define to a C preprocessor expression that evaluates to 1 or 0, depending
    whether the gnulib module fscanf shall be considered present. */
 #undef GNULIB_FSCANF
 
@@ -122,6 +246,10 @@
 #undef GNULIB_MALLOC_GNU
 
 /* Define to a C preprocessor expression that evaluates to 1 or 0, depending
+   whether the gnulib module msvc-nothrow shall be considered present. */
+#undef GNULIB_MSVC_NOTHROW
+
+/* Define to a C preprocessor expression that evaluates to 1 or 0, depending
    whether the gnulib module nonblocking shall be considered present. */
 #undef GNULIB_NONBLOCKING
 
@@ -129,6 +257,10 @@
    whether the gnulib module openat shall be considered present. */
 #undef GNULIB_OPENAT
 
+/* Define to 1 if printf and friends should be labeled with attribute
+   "__gnu_printf__" instead of "__printf__" */
+#undef GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU
+
 /* Define to 1 to add extern declaration of program_invocation_name to argp.h
    */
 #undef GNULIB_PROGRAM_INVOCATION_NAME
@@ -212,9 +344,6 @@
 /* Define to 1 when the gnulib module getlogin_r should be tested. */
 #undef GNULIB_TEST_GETLOGIN_R
 
-/* Define to 1 when the gnulib module getopt-gnu should be tested. */
-#undef GNULIB_TEST_GETOPT_GNU
-
 /* Define to 1 when the gnulib module gettimeofday should be tested. */
 #undef GNULIB_TEST_GETTIMEOFDAY
 
@@ -305,9 +434,6 @@
 /* Define to 1 when the gnulib module rmdir should be tested. */
 #undef GNULIB_TEST_RMDIR
 
-/* Define to 1 when the gnulib module secure_getenv should be tested. */
-#undef GNULIB_TEST_SECURE_GETENV
-
 /* Define to 1 when the gnulib module select should be tested. */
 #undef GNULIB_TEST_SELECT
 
@@ -350,6 +476,9 @@
 /* Define to 1 when the gnulib module unsetenv should be tested. */
 #undef GNULIB_TEST_UNSETENV
 
+/* Define to 1 when the gnulib module utime should be tested. */
+#undef GNULIB_TEST_UTIME
+
 /* Define to 1 when the gnulib module vasprintf should be tested. */
 #undef GNULIB_TEST_VASPRINTF
 
@@ -414,6 +543,9 @@
 /* Define if you have compress. */
 #undef HAVE_COMPRESS
 
+/* Define to 1 if you have the <crtdefs.h> header file. */
+#undef HAVE_CRTDEFS_H
+
 /* Define if the GNU dcgettext() function is already present or preinstalled.
    */
 #undef HAVE_DCGETTEXT
@@ -486,9 +618,9 @@
    don't. */
 #undef HAVE_DECL_GETDELIM
 
-/* Define to 1 if you have the declaration of `getenv', and to 0 if you don't.
-   */
-#undef HAVE_DECL_GETENV
+/* Define to 1 if you have the declaration of `getdtablesize', and to 0 if you
+   don't. */
+#undef HAVE_DECL_GETDTABLESIZE
 
 /* Define to 1 if you have the declaration of `getline', and to 0 if you
    don't. */
@@ -590,6 +722,10 @@
    don't. */
 #undef HAVE_DECL__SNPRINTF
 
+/* Define to 1 if you have the declaration of `__argv', and to 0 if you don't.
+   */
+#undef HAVE_DECL___ARGV
+
 /* Define to 1 if you have the <dirent.h> header file. */
 #undef HAVE_DIRENT_H
 
@@ -629,6 +765,9 @@
 /* Define to 1 if you have the `flockfile' function. */
 #undef HAVE_FLOCKFILE
 
+/* Define to 1 if you have the 'fpathconf' function. */
+#undef HAVE_FPATHCONF
+
 /* Define to 1 if you have the 'fstatat' function. */
 #undef HAVE_FSTATAT
 
@@ -650,6 +789,10 @@
 /* Define to 1 if you have the 'getcwd' function. */
 #undef HAVE_GETCWD
 
+/* Define to 1 if getcwd works, but with shorter paths than is generally
+   tested with the replacement. */
+#undef HAVE_GETCWD_SHORTER
+
 /* Define to 1 if you have the 'getdelim' function. */
 #undef HAVE_GETDELIM
 
@@ -662,6 +805,9 @@
 /* Define to 1 if you have the 'geteuid' function. */
 #undef HAVE_GETEUID
 
+/* Define to 1 if you have the 'getexecname' function. */
+#undef HAVE_GETEXECNAME
+
 /* Define to 1 if you have the 'getgid' function. */
 #undef HAVE_GETGID
 
@@ -674,9 +820,12 @@
 /* Define to 1 if you have the `getopt_long_only' function. */
 #undef HAVE_GETOPT_LONG_ONLY
 
-/* Define to 1 if you have the `getpagesize' function. */
+/* Define to 1 if the system has the 'getpagesize' function. */
 #undef HAVE_GETPAGESIZE
 
+/* Define to 1 if you have the 'getprogname' function. */
+#undef HAVE_GETPROGNAME
+
 /* Define to 1 if you have the 'getpwnam_r' function. */
 #undef HAVE_GETPWNAM_R
 
@@ -723,9 +872,6 @@
 /* Define to 1 if you have the 'isblank' function. */
 #undef HAVE_ISBLANK
 
-/* Define to 1 if you have the `issetugid' function. */
-#undef HAVE_ISSETUGID
-
 /* Define to 1 if you have the 'iswcntrl' function. */
 #undef HAVE_ISWCNTRL
 
@@ -750,6 +896,9 @@
 /* Define to 1 if you have the `z' library (-lz). */
 #undef HAVE_LIBZ
 
+/* Define to 1 if you have the <limits.h> header file. */
+#undef HAVE_LIMITS_H
+
 /* Define to 1 if you have the <linewrap.h> header file. */
 #undef HAVE_LINEWRAP_H
 
@@ -863,9 +1012,6 @@
    setting errno to ERANGE, ENAMETOOLONG, or ENOENT. */
 #undef HAVE_PARTLY_WORKING_GETCWD
 
-/* Define to 1 if you have the 'pathconf' function. */
-#undef HAVE_PATHCONF
-
 /* Define if you have pic. */
 #undef HAVE_PIC
 
@@ -887,6 +1033,10 @@
 /* Define if the POSIX multithreading library has read/write locks. */
 #undef HAVE_PTHREAD_RWLOCK
 
+/* Define if the 'pthread_rwlock_rdlock' function prefers a writer to a
+   reader. */
+#undef HAVE_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER
+
 /* Define to 1 if you have the `raise' function. */
 #undef HAVE_RAISE
 
@@ -1203,6 +1353,9 @@
 /* Define to 1 if pwrite is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_PWRITE
 
+/* Define to 1 if qsort_r is declared even after undefining macros. */
+#undef HAVE_RAW_DECL_QSORT_R
+
 /* Define to 1 if random is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_RANDOM
 
@@ -1221,6 +1374,9 @@
 /* Define to 1 if readlinkat is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_READLINKAT
 
+/* Define to 1 if reallocarray is declared even after undefining macros. */
+#undef HAVE_RAW_DECL_REALLOCARRAY
+
 /* Define to 1 if realpath is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_REALPATH
 
@@ -1392,6 +1548,9 @@
 /* Define to 1 if towctrans is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_TOWCTRANS
 
+/* Define to 1 if truncate is declared even after undefining macros. */
+#undef HAVE_RAW_DECL_TRUNCATE
+
 /* Define to 1 if ttyname_r is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_TTYNAME_R
 
@@ -1410,6 +1569,9 @@
 /* Define to 1 if usleep is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_USLEEP
 
+/* Define to 1 if utime is declared even after undefining macros. */
+#undef HAVE_RAW_DECL_UTIME
+
 /* Define to 1 if utimensat is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_UTIMENSAT
 
@@ -1452,6 +1614,9 @@
 /* Define to 1 if wcsdup is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_WCSDUP
 
+/* Define to 1 if wcsftime is declared even after undefining macros. */
+#undef HAVE_RAW_DECL_WCSFTIME
+
 /* Define to 1 if wcslen is declared even after undefining macros. */
 #undef HAVE_RAW_DECL_WCSLEN
 
@@ -1551,9 +1716,6 @@
 /* Define to 1 if you have the <search.h> header file. */
 #undef HAVE_SEARCH_H
 
-/* Define to 1 if you have the 'secure_getenv' function. */
-#undef HAVE_SECURE_GETENV
-
 /* Define to 1 if you have the `setdtablesize' function. */
 #undef HAVE_SETDTABLESIZE
 
@@ -1699,10 +1861,6 @@
 /* Define to 1 if `st_birthtim.tv_nsec' is a member of `struct stat'. */
 #undef HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC
 
-/* Define if struct utimbuf is declared -- usually in <utime.h>. Some systems
-   have utime.h but don't declare the struct anywhere. */
-#undef HAVE_STRUCT_UTIMBUF
-
 /* Define to 1 if you have the 'symlink' function. */
 #undef HAVE_SYMLINK
 
@@ -1739,9 +1897,6 @@
 /* Define to 1 if you have the <sys/stat.h> header file. */
 #undef HAVE_SYS_STAT_H
 
-/* Define to 1 if you have the <sys/timeb.h> header file. */
-#undef HAVE_SYS_TIMEB_H
-
 /* Define to 1 if you have the <sys/time.h> header file. */
 #undef HAVE_SYS_TIME_H
 
@@ -1769,12 +1924,18 @@
 /* Define to 1 if the system has the type 'unsigned long long int'. */
 #undef HAVE_UNSIGNED_LONG_LONG_INT
 
+/* Define to 1 if you have the 'utime' function. */
+#undef HAVE_UTIME
+
 /* Define to 1 if you have the 'utimensat' function. */
 #undef HAVE_UTIMENSAT
 
 /* Define to 1 if you have the <utime.h> header file. */
 #undef HAVE_UTIME_H
 
+/* Define if you have a global __progname variable */
+#undef HAVE_VAR___PROGNAME
+
 /* Define to 1 if you have the 'vasnprintf' function. */
 #undef HAVE_VASNPRINTF
 
@@ -1845,14 +2006,21 @@
 /* Define to 1 if the system has the type `_Bool'. */
 #undef HAVE__BOOL
 
-/* Define to 1 if you have the `_ftime' function. */
-#undef HAVE__FTIME
-
 /* Define to 1 if you have the '_set_invalid_parameter_handler' function. */
 #undef HAVE__SET_INVALID_PARAMETER_HANDLER
 
-/* Define to 1 if you have the `__secure_getenv' function. */
-#undef HAVE___SECURE_GETENV
+/* Define to 1 if the compiler supports __builtin_expect,
+   and to 2 if <builtins.h> does.  */
+#undef HAVE___BUILTIN_EXPECT
+#ifndef HAVE___BUILTIN_EXPECT
+# define __builtin_expect(e, c) (e)
+#elif HAVE___BUILTIN_EXPECT == 2
+# include <builtins.h>
+#endif
+    
+
+/* Define to 1 if the compiler supports the keyword '__inline'. */
+#undef HAVE___INLINE
 
 /* Define if nroff is Heirloom nroff. */
 #undef HEIRLOOM_NROFF
@@ -1888,6 +2056,10 @@
 /* Define to a substitute value for mmap()'s MAP_ANONYMOUS flag. */
 #undef MAP_ANONYMOUS
 
+/* Define if the mbrtowc function does not return (size_t) -2 for empty input.
+   */
+#undef MBRTOWC_EMPTY_INPUT_BUG
+
 /* Define if the mbrtowc function has the NULL pwc argument bug. */
 #undef MBRTOWC_NULL_ARG1_BUG
 
@@ -1900,6 +2072,12 @@
 /* Define if the mbrtowc function returns a wrong return value. */
 #undef MBRTOWC_RETVAL_BUG
 
+/* Use GNU style printf and scanf.  */
+#ifndef __USE_MINGW_ANSI_STDIO
+# undef __USE_MINGW_ANSI_STDIO
+#endif
+
+
 /* Define if your groff installation has the Debian multibyte patch. */
 #undef MULTIBYTE_GROFF
 
@@ -1959,20 +2137,19 @@
 #undef RENAME_HARD_LINK_BUG
 
 /* Define if rename does not correctly handle slashes on the destination
-   argument, such as on Solaris 10 or NetBSD 1.6. */
+   argument, such as on Solaris 11 or NetBSD 1.6. */
 #undef RENAME_TRAILING_SLASH_DEST_BUG
 
 /* Define if rename does not correctly handle slashes on the source argument,
    such as on Solaris 9 or cygwin 1.5. */
 #undef RENAME_TRAILING_SLASH_SOURCE_BUG
 
+/* Define to 1 if gnulib's dirfd() replacement is used. */
+#undef REPLACE_DIRFD
+
 /* Define to 1 if gnulib's fchdir() replacement is used. */
 #undef REPLACE_FCHDIR
 
-/* Define to 1 if stat needs help when passed a directory name with a trailing
-   slash */
-#undef REPLACE_FUNC_STAT_DIR
-
 /* Define to 1 if stat needs help when passed a file name with a trailing
    slash */
 #undef REPLACE_FUNC_STAT_FILE
@@ -2061,7 +2238,7 @@
 #ifndef _ALL_SOURCE
 # undef _ALL_SOURCE
 #endif
-/* Enable general extensions on OS X.  */
+/* Enable general extensions on macOS.  */
 #ifndef _DARWIN_C_SOURCE
 # undef _DARWIN_C_SOURCE
 #endif
@@ -2069,10 +2246,46 @@
 #ifndef _GNU_SOURCE
 # undef _GNU_SOURCE
 #endif
+/* Enable NetBSD extensions on NetBSD.  */
+#ifndef _NETBSD_SOURCE
+# undef _NETBSD_SOURCE
+#endif
+/* Enable OpenBSD extensions on NetBSD.  */
+#ifndef _OPENBSD_SOURCE
+# undef _OPENBSD_SOURCE
+#endif
 /* Enable threading extensions on Solaris.  */
 #ifndef _POSIX_PTHREAD_SEMANTICS
 # undef _POSIX_PTHREAD_SEMANTICS
 #endif
+/* Enable extensions specified by ISO/IEC TS 18661-5:2014.  */
+#ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
+# undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-1:2014.  */
+#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
+# undef __STDC_WANT_IEC_60559_BFP_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-2:2015.  */
+#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
+# undef __STDC_WANT_IEC_60559_DFP_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-4:2015.  */
+#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
+# undef __STDC_WANT_IEC_60559_FUNCS_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-3:2015.  */
+#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
+# undef __STDC_WANT_IEC_60559_TYPES_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TR 24731-2:2010.  */
+#ifndef __STDC_WANT_LIB_EXT2__
+# undef __STDC_WANT_LIB_EXT2__
+#endif
+/* Enable extensions specified by ISO/IEC 24747:2009.  */
+#ifndef __STDC_WANT_MATH_SPEC_FUNCS__
+# undef __STDC_WANT_MATH_SPEC_FUNCS__
+#endif
 /* Enable extensions on HP NonStop.  */
 #ifndef _TANDEM_SOURCE
 # undef _TANDEM_SOURCE
@@ -2083,6 +2296,11 @@
 #ifndef _XOPEN_SOURCE
 # undef _XOPEN_SOURCE
 #endif
+/* Enable X/Open compliant socket functions that do not require linking
+   with -lxnet on HP-UX 11.11.  */
+#ifndef _HPUX_ALT_XOPEN_SOCKET_API
+# undef _HPUX_ALT_XOPEN_SOCKET_API
+#endif
 /* Enable general extensions on Solaris.  */
 #ifndef __EXTENSIONS__
 # undef __EXTENSIONS__
@@ -2131,10 +2349,6 @@
 /* Number of bits in a file offset, on hosts where this is settable. */
 #undef _FILE_OFFSET_BITS
 
-/* Define to 1 if Gnulib overrides 'struct stat' on Windows so that struct
-   stat.st_size becomes 64-bit. */
-#undef _GL_WINDOWS_64_BIT_ST_SIZE
-
 /* Define for large files, on AIX-style hosts. */
 #undef _LARGE_FILES
 
@@ -2179,17 +2393,26 @@
 /* Define if you want regoff_t to be at least as wide POSIX requires. */
 #undef _REGEX_LARGE_OFFSETS
 
+/* For standard stat data types on VMS. */
+#undef _USE_STD_STAT
+
 /* Define to rpl_ if the getopt replacement functions and variables should be
    used. */
 #undef __GETOPT_PREFIX
 
+/* Define to 1 if the system <stdint.h> predates C++11. */
+#undef __STDC_CONSTANT_MACROS
+
+/* Define to 1 if the system <stdint.h> predates C++11. */
+#undef __STDC_LIMIT_MACROS
+
 /* Define to empty if `const' does not conform to ANSI C. */
 #undef const
 
 /* Please see the Gnulib manual for how to use these macros.
 
    Suppress extern inline with HP-UX cc, as it appears to be broken; see
-   <http://lists.gnu.org/archive/html/bug-texinfo/2013-02/msg00030.html>.
+   <https://lists.gnu.org/r/bug-texinfo/2013-02/msg00030.html>.
 
    Suppress extern inline with Sun C in standards-conformance mode, as it
    mishandles inline functions that call each other.  E.g., for 'inline void f
@@ -2197,13 +2420,28 @@
    'reference to static identifier "f" in extern inline function'.
    This bug was observed with Sun C 5.12 SunOS_i386 2011/11/16.
 
-   Suppress the use of extern inline on problematic Apple configurations.
-   OS X 10.8 and earlier mishandle it; see, e.g.,
-   <http://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html>.
+   Suppress extern inline (with or without __attribute__ ((__gnu_inline__)))
+   on configurations that mistakenly use 'static inline' to implement
+   functions or macros in standard C headers like <ctype.h>.  For example,
+   if isdigit is mistakenly implemented via a static inline function,
+   a program containing an extern inline function that calls isdigit
+   may not work since the C standard prohibits extern inline functions
+   from calling static functions.  This bug is known to occur on:
+
+     OS X 10.8 and earlier; see:
+     https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html
+
+     DragonFly; see
+     http://muscles.dragonflybsd.org/bulk/bleeding-edge-potential/latest-per-pkg/ah-tty-0.3.12.log
+
+     FreeBSD; see:
+     https://lists.gnu.org/r/bug-gnulib/2014-07/msg00104.html
+
    OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and
-   for clang but remains for g++; see <http://trac.macports.org/ticket/41033>.
-   Perhaps Apple will fix this some day.  */
-#if (defined __APPLE__ \
+   for clang but remains for g++; see <https://trac.macports.org/ticket/41033>.
+   Assume DragonFly and FreeBSD will be similar.  */
+#if (((defined __APPLE__ && defined __MACH__) \
+      || defined __DragonFly__ || defined __FreeBSD__) \
      && (defined __header_inline \
          ? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \
             && ! defined __clang__) \
@@ -2211,19 +2449,20 @@
              && (defined __GNUC__ || defined __cplusplus)) \
             || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \
                 && defined __GNUC__ && ! defined __cplusplus))))
-# define _GL_EXTERN_INLINE_APPLE_BUG
+# define _GL_EXTERN_INLINE_STDHEADER_BUG
 #endif
 #if ((__GNUC__ \
       ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
       : (199901L <= __STDC_VERSION__ \
          && !defined __HP_cc \
+         && !defined __PGI \
          && !(defined __SUNPRO_C && __STDC__))) \
-     && !defined _GL_EXTERN_INLINE_APPLE_BUG)
+     && !defined _GL_EXTERN_INLINE_STDHEADER_BUG)
 # define _GL_INLINE inline
 # define _GL_EXTERN_INLINE extern inline
 # define _GL_EXTERN_INLINE_IN_USE
 #elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \
-       && !defined _GL_EXTERN_INLINE_APPLE_BUG)
+       && !defined _GL_EXTERN_INLINE_STDHEADER_BUG)
 # if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__
    /* __gnu_inline__ suppresses a GCC 4.2 diagnostic.  */
 #  define _GL_INLINE extern inline __attribute__ ((__gnu_inline__))
@@ -2237,17 +2476,19 @@
 # define _GL_EXTERN_INLINE static _GL_UNUSED
 #endif
 
-#if 4 < __GNUC__ + (6 <= __GNUC_MINOR__)
+/* In GCC 4.6 (inclusive) to 5.1 (exclusive),
+   suppress bogus "no previous prototype for 'FOO'"
+   and "no previous declaration for 'FOO'" diagnostics,
+   when FOO is an inline function in the header; see
+   <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113> and
+   <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63877>.  */
+#if __GNUC__ == 4 && 6 <= __GNUC_MINOR__
 # if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__
 #  define _GL_INLINE_HEADER_CONST_PRAGMA
 # else
 #  define _GL_INLINE_HEADER_CONST_PRAGMA \
      _Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"")
 # endif
-  /* Suppress GCC's bogus "no previous prototype for 'FOO'"
-     and "no previous declaration for 'FOO'"  diagnostics,
-     when FOO is an inline function in the header; see
-     <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113>.  */
 # define _GL_INLINE_HEADER_BEGIN \
     _Pragma ("GCC diagnostic push") \
     _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \
@@ -2387,6 +2628,16 @@
    is a misnomer outside of parameter lists.  */
 #define _UNUSED_PARAMETER_ _GL_UNUSED
 
+/* gcc supports the "unused" attribute on possibly unused labels, and
+   g++ has since version 4.5.  Note to support C++ as well as C,
+   _GL_UNUSED_LABEL should be used with a trailing ;  */
+#if !defined __cplusplus || __GNUC__ > 4 \
+    || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+# define _GL_UNUSED_LABEL _GL_UNUSED
+#else
+# define _GL_UNUSED_LABEL
+#endif
+
 /* The __pure__ attribute was added in gcc 2.96.  */
 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
 # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
@@ -2401,6 +2652,13 @@
 # define _GL_ATTRIBUTE_CONST /* empty */
 #endif
 
+/* The __malloc__ attribute was added in gcc 3.  */
+#if 3 <= __GNUC__
+# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
+#else
+# define _GL_ATTRIBUTE_MALLOC /* empty */
+#endif
+
 
 /* Define as a macro for copying va_list variables. */
 #undef va_copy