updated gnulib

39 files changed, 104 insertions, 81 deletions

diff --git a/build-aux/snippet/warn-on-use.h b/build-aux/snippet/warn-on-use.h
index d4cb94f352..51e69bbd9b 100644
--- a/build-aux/snippet/warn-on-use.h
+++ b/build-aux/snippet/warn-on-use.h
@@ -55,7 +55,7 @@
    rather than issue the nice warning, but the end result of informing
    the developer about their portability problem is still achieved):
    #if HAVE_RAW_DECL_ENVIRON
-   static inline char ***rpl_environ (void) { return &environ; }
+   static char ***rpl_environ (void) { return &environ; }
    _GL_WARN_ON_USE (rpl_environ, "environ is not always properly declared");
    # undef environ
    # define environ (*rpl_environ ())
diff --git a/gl/Makefile.am b/gl/Makefile.am
index 13660abb14..0f03ec7302 100644
--- a/gl/Makefile.am
+++ b/gl/Makefile.am
@@ -793,6 +793,7 @@ EXTRA_libgnu_la_SOURCES += malloc.c
 ## begin gnulib module math
 
 BUILT_SOURCES += math.h
+libgnu_la_SOURCES += math.c
 
 # We need the following in order to create <math.h> when the system
 # doesn't have one that works with the given compiler.
@@ -1691,6 +1692,7 @@ EXTRA_DIST += stdint.in.h
 ## begin gnulib module stdio
 
 BUILT_SOURCES += stdio.h
+libgnu_la_SOURCES += stdio.c
 
 # We need the following in order to create <stdio.h> when the system
 # doesn't have one that works with the given compiler.
@@ -2166,6 +2168,7 @@ EXTRA_DIST += sys_select.in.h
 ## begin gnulib module sys_socket
 
 BUILT_SOURCES += sys/socket.h
+libgnu_la_SOURCES += sys_socket.c
 
 # We need the following in order to create <sys/socket.h> when the system
 # doesn't have one that works with the given compiler.
@@ -2468,6 +2471,7 @@ EXTRA_DIST += u64.h
 ## begin gnulib module unistd
 
 BUILT_SOURCES += unistd.h
+libgnu_la_SOURCES += unistd.c
 
 # We need the following in order to create an empty placeholder for
 # <unistd.h> when the system doesn't have one.
diff --git a/gl/base64.c b/gl/base64.c
index 351c5fd776..b92611f2b0 100644
--- a/gl/base64.c
+++ b/gl/base64.c
@@ -53,7 +53,7 @@
 #include <string.h>
 
 /* C89 compliant way to cast 'char' to 'unsigned char'. */
-static inline unsigned char
+static unsigned char
 to_uchar (char ch)
 {
   return ch;
@@ -314,7 +314,7 @@ base64_decode_ctx_init (struct base64_decode_context *ctx)
    and return CTX->buf.  In either case, advance *IN to point to the byte
    after the last one processed, and set *N_NON_NEWLINE to the number of
    verified non-newline bytes accessible through the returned pointer.  */
-static inline char *
+static char *
 get_4 (struct base64_decode_context *ctx,
        char const *restrict *in, char const *restrict in_end,
        size_t *n_non_newline)
@@ -368,7 +368,7 @@ get_4 (struct base64_decode_context *ctx,
    as many bytes as possible are written to *OUT.  On return, advance
    *OUT to point to the byte after the last one written, and decrement
    *OUTLEN to reflect the number of bytes remaining in *OUT.  */
-static inline bool
+static bool
 decode_4 (char const *restrict in, size_t inlen,
           char *restrict *outp, size_t *outleft)
 {
diff --git a/gl/error.c b/gl/error.c
index dc8c65fa7f..7d2bc71fcc 100644
--- a/gl/error.c
+++ b/gl/error.c
@@ -121,7 +121,7 @@ extern char *program_name;
 
 #if !_LIBC
 /* Return non-zero if FD is open.  */
-static inline int
+static int
 is_open (int fd)
 {
 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
@@ -139,7 +139,7 @@ is_open (int fd)
 }
 #endif
 
-static inline void
+static void
 flush_stdout (void)
 {
 #if !_LIBC
diff --git a/gl/fstat.c b/gl/fstat.c
index 6d5f5c2b6f..0418cc63b1 100644
--- a/gl/fstat.c
+++ b/gl/fstat.c
@@ -31,7 +31,7 @@
 #endif
 #undef __need_system_sys_stat_h
 
-static inline int
+static int
 orig_fstat (int fd, struct stat *buf)
 {
   return fstat (fd, buf);
@@ -51,7 +51,7 @@ orig_fstat (int fd, struct stat *buf)
 #endif
 
 #if HAVE_MSVC_INVALID_PARAMETER_HANDLER
-static inline int
+static int
 fstat_nothrow (int fd, struct stat *buf)
 {
   int result;
diff --git a/gl/getaddrinfo.c b/gl/getaddrinfo.c
index 069f2a95c5..e5de62c310 100644
--- a/gl/getaddrinfo.c
+++ b/gl/getaddrinfo.c
@@ -109,7 +109,7 @@ use_win32_p (void)
 }
 #endif
 
-static inline bool
+static bool
 validate_family (int family)
 {
   /* FIXME: Support more families. */
diff --git a/gl/m4/base64.m4 b/gl/m4/base64.m4
index fa0c1928e8..94ba62de64 100644
--- a/gl/m4/base64.m4
+++ b/gl/m4/base64.m4
@@ -1,4 +1,4 @@
-# base64.m4 serial 3
+# base64.m4 serial 4
 dnl Copyright (C) 2004, 2006, 2009-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -11,6 +11,5 @@ AC_DEFUN([gl_FUNC_BASE64],
 
 # Prerequisites of lib/base64.c.
 AC_DEFUN([gl_PREREQ_BASE64], [
-  AC_REQUIRE([AC_C_INLINE])
   AC_REQUIRE([AC_C_RESTRICT])
 ])
diff --git a/gl/m4/error.m4 b/gl/m4/error.m4
index 5d9c70a475..1190e32c3d 100644
--- a/gl/m4/error.m4
+++ b/gl/m4/error.m4
@@ -23,6 +23,5 @@ AC_DEFUN([gl_ERROR],
 AC_DEFUN([gl_PREREQ_ERROR],
 [
   AC_REQUIRE([AC_FUNC_STRERROR_R])
-  AC_REQUIRE([AC_C_INLINE])
   :
 ])
diff --git a/gl/m4/extern-inline.m4 b/gl/m4/extern-inline.m4
index 600c8d3fa1..0a9fc9a75b 100644
--- a/gl/m4/extern-inline.m4
+++ b/gl/m4/extern-inline.m4
@@ -7,7 +7,6 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_EXTERN_INLINE],
 [
-  AC_REQUIRE([AC_C_INLINE])
   AH_VERBATIM([extern_inline],
 [/* _GL_INLINE is a portable alternative to ISO C99 plain 'inline'.
    _GL_EXTERN_INLINE is a portable alternative to 'extern inline'.
@@ -17,13 +16,19 @@ AC_DEFUN([gl_EXTERN_INLINE],
      when FOO is an inline function in the header; see
      <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113>.
    _GL_INLINE_HEADER_END contains useful stuff to put
-     in the same include file, after uses of _GL_INLINE.  */
-#if (__GNUC__ \
-     ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
-     : 199901L <= __STDC_VERSION__)
+     in the same include file, after uses of _GL_INLINE.
+
+   Suppress the use of extern inline on Apple's platforms,
+   as Libc-825.25 (2012-09-19) is incompatible with it; see
+   <http://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html>.
+   Perhaps Apple will fix this some day.  */
+#if ((__GNUC__ \
+      ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
+      : 199901L <= __STDC_VERSION__) \
+     && !defined __APPLE__)
 # define _GL_INLINE inline
 # define _GL_EXTERN_INLINE extern inline
-#elif 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
+#elif 2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __APPLE__
 # if __GNUC_GNU_INLINE__
    /* __gnu_inline__ suppresses a GCC 4.2 diagnostic.  */
 #  define _GL_INLINE extern inline __attribute__ ((__gnu_inline__))
@@ -32,8 +37,8 @@ AC_DEFUN([gl_EXTERN_INLINE],
 # endif
 # define _GL_EXTERN_INLINE extern
 #else
-# define _GL_INLINE static inline
-# define _GL_EXTERN_INLINE static inline
+# define _GL_INLINE static _GL_UNUSED
+# define _GL_EXTERN_INLINE static _GL_UNUSED
 #endif
 
 #if 4 < __GNUC__ + (6 <= __GNUC_MINOR__)
diff --git a/gl/m4/fstat.m4 b/gl/m4/fstat.m4
index 3ab3297b2c..a73baa278a 100644
--- a/gl/m4/fstat.m4
+++ b/gl/m4/fstat.m4
@@ -1,4 +1,4 @@
-# fstat.m4 serial 3
+# fstat.m4 serial 4
 dnl Copyright (C) 2011-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -33,7 +33,4 @@ AC_DEFUN([gl_FUNC_FSTAT],
 ])
 
 # Prerequisites of lib/fstat.c.
-AC_DEFUN([gl_PREREQ_FSTAT],
-[
-  AC_REQUIRE([AC_C_INLINE])
-])
+AC_DEFUN([gl_PREREQ_FSTAT], [:])
diff --git a/gl/m4/ftruncate.m4 b/gl/m4/ftruncate.m4
index 969eb0412d..9f6c69063d 100644
--- a/gl/m4/ftruncate.m4
+++ b/gl/m4/ftruncate.m4
@@ -1,4 +1,4 @@
-# serial 19
+# serial 20
 
 # See if we need to emulate a missing ftruncate function using chsize.
 
@@ -36,6 +36,5 @@ AC_DEFUN([gl_FUNC_FTRUNCATE],
 # Prerequisites of lib/ftruncate.c.
 AC_DEFUN([gl_PREREQ_FTRUNCATE],
 [
-  AC_REQUIRE([AC_C_INLINE])
   AC_CHECK_FUNCS([chsize])
 ])
diff --git a/gl/m4/getaddrinfo.m4 b/gl/m4/getaddrinfo.m4
index 9cd3e675ec..8c4e46261c 100644
--- a/gl/m4/getaddrinfo.m4
+++ b/gl/m4/getaddrinfo.m4
@@ -1,4 +1,4 @@
-# getaddrinfo.m4 serial 29
+# getaddrinfo.m4 serial 30
 dnl Copyright (C) 2004-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -134,7 +134,6 @@ AC_DEFUN([gl_PREREQ_GETADDRINFO], [
   AC_REQUIRE([AC_C_RESTRICT])
   AC_REQUIRE([gl_SOCKET_FAMILIES])
   AC_REQUIRE([gl_HEADER_SYS_SOCKET])
-  AC_REQUIRE([AC_C_INLINE])
   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
   dnl Including sys/socket.h is wrong for Windows, but Windows does not
diff --git a/gl/m4/gnulib-comp.m4 b/gl/m4/gnulib-comp.m4
index d3703caa09..1f20600c04 100644
--- a/gl/m4/gnulib-comp.m4
+++ b/gl/m4/gnulib-comp.m4
@@ -1285,6 +1285,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/listen.c
   lib/lseek.c
   lib/malloc.c
+  lib/math.c
   lib/math.in.h
   lib/memchr.c
   lib/memchr.valgrind
@@ -1338,6 +1339,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/stddef.in.h
   lib/stdint.in.h
   lib/stdio-impl.h
+  lib/stdio.c
   lib/stdio.in.h
   lib/stdlib.in.h
   lib/str-two-way.h
@@ -1357,6 +1359,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/strtok_r.c
   lib/strverscmp.c
   lib/sys_select.in.h
+  lib/sys_socket.c
   lib/sys_socket.in.h
   lib/sys_stat.in.h
   lib/sys_time.in.h
@@ -1369,6 +1372,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/timespec.h
   lib/u64.c
   lib/u64.h
+  lib/unistd.c
   lib/unistd.in.h
   lib/unistr.in.h
   lib/unistr/u8-mbtoucr.c
diff --git a/gl/m4/lock.m4 b/gl/m4/lock.m4
index 19c6d459f1..83da6ccf62 100644
--- a/gl/m4/lock.m4
+++ b/gl/m4/lock.m4
@@ -1,4 +1,4 @@
-# lock.m4 serial 12 (gettext-0.18.2)
+# lock.m4 serial 13 (gettext-0.18.2)
 dnl Copyright (C) 2005-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -35,7 +35,5 @@ return !x;
   gl_PREREQ_LOCK
 ])
 
-# Prerequisites of lib/lock.c.
-AC_DEFUN([gl_PREREQ_LOCK], [
-  AC_REQUIRE([AC_C_INLINE])
-])
+# Prerequisites of lib/glthread/lock.c.
+AC_DEFUN([gl_PREREQ_LOCK], [:])
diff --git a/gl/m4/lstat.m4 b/gl/m4/lstat.m4
index b7335bda1b..01b4eb953d 100644
--- a/gl/m4/lstat.m4
+++ b/gl/m4/lstat.m4
@@ -1,4 +1,4 @@
-# serial 25
+# serial 26
 
 # Copyright (C) 1997-2001, 2003-2012 Free Software Foundation, Inc.
 #
@@ -27,11 +27,7 @@ AC_DEFUN([gl_FUNC_LSTAT],
 ])
 
 # Prerequisites of lib/lstat.c.
-AC_DEFUN([gl_PREREQ_LSTAT],
-[
-  AC_REQUIRE([AC_C_INLINE])
-  :
-])
+AC_DEFUN([gl_PREREQ_LSTAT], [:])
 
 AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK],
 [
diff --git a/gl/m4/math_h.m4 b/gl/m4/math_h.m4
index 90d248aecc..338e80dd15 100644
--- a/gl/m4/math_h.m4
+++ b/gl/m4/math_h.m4
@@ -1,4 +1,4 @@
-# math_h.m4 serial 113
+# math_h.m4 serial 114
 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -8,7 +8,6 @@ AC_DEFUN([gl_MATH_H],
 [
   AC_REQUIRE([gl_MATH_H_DEFAULTS])
   gl_CHECK_NEXT_HEADERS([math.h])
-  AC_REQUIRE([AC_C_INLINE])
 
   AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works],
     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]],
diff --git a/gl/m4/open.m4 b/gl/m4/open.m4
index c85971dc1a..2577a22809 100644
--- a/gl/m4/open.m4
+++ b/gl/m4/open.m4
@@ -1,4 +1,4 @@
-# open.m4 serial 13
+# open.m4 serial 14
 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -86,7 +86,6 @@ changequote([,])dnl
 # Prerequisites of lib/open.c.
 AC_DEFUN([gl_PREREQ_OPEN],
 [
-  AC_REQUIRE([AC_C_INLINE])
   AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T])
   :
 ])
diff --git a/gl/m4/stat.m4 b/gl/m4/stat.m4
index a8b79f5bcb..0fd117e05e 100644
--- a/gl/m4/stat.m4
+++ b/gl/m4/stat.m4
@@ -1,4 +1,4 @@
-# serial 10
+# serial 11
 
 # Copyright (C) 2009-2012 Free Software Foundation, Inc.
 #
@@ -68,8 +68,4 @@ AC_DEFUN([gl_FUNC_STAT],
 ])
 
 # Prerequisites of lib/stat.c.
-AC_DEFUN([gl_PREREQ_STAT],
-[
-  AC_REQUIRE([AC_C_INLINE])
-  :
-])
+AC_DEFUN([gl_PREREQ_STAT], [:])
diff --git a/gl/m4/stdio_h.m4 b/gl/m4/stdio_h.m4
index 5298dd6d9d..3bd6580366 100644
--- a/gl/m4/stdio_h.m4
+++ b/gl/m4/stdio_h.m4
@@ -1,4 +1,4 @@
-# stdio_h.m4 serial 42
+# stdio_h.m4 serial 43
 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,7 +7,6 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_STDIO_H],
 [
   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
-  AC_REQUIRE([AC_C_INLINE])
   gl_NEXT_HEADERS([stdio.h])
 
   dnl No need to create extra modules for these functions. Everyone who uses
diff --git a/gl/m4/sys_socket_h.m4 b/gl/m4/sys_socket_h.m4
index 8d4e7e1ebb..acfae41328 100644
--- a/gl/m4/sys_socket_h.m4
+++ b/gl/m4/sys_socket_h.m4
@@ -1,4 +1,4 @@
-# sys_socket_h.m4 serial 22
+# sys_socket_h.m4 serial 23
 dnl Copyright (C) 2005-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -10,7 +10,6 @@ AC_DEFUN([gl_HEADER_SYS_SOCKET],
 [
   AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])
   AC_REQUIRE([AC_CANONICAL_HOST])
-  AC_REQUIRE([AC_C_INLINE])
 
   dnl On OSF/1, the functions recv(), send(), recvfrom(), sendto() have
   dnl old-style declarations (with return type 'int' instead of 'ssize_t')
diff --git a/gl/m4/sys_stat_h.m4 b/gl/m4/sys_stat_h.m4
index f45dee1dc4..8af3353ea5 100644
--- a/gl/m4/sys_stat_h.m4
+++ b/gl/m4/sys_stat_h.m4
@@ -1,4 +1,4 @@
-# sys_stat_h.m4 serial 27   -*- Autoconf -*-
+# sys_stat_h.m4 serial 28   -*- Autoconf -*-
 dnl Copyright (C) 2006-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -11,9 +11,6 @@ AC_DEFUN([gl_HEADER_SYS_STAT_H],
 [
   AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
 
-  dnl For the mkdir substitute.
-  AC_REQUIRE([AC_C_INLINE])
-
   dnl Check for broken stat macros.
   AC_REQUIRE([AC_HEADER_STAT])
 
diff --git a/gl/m4/unistd_h.m4 b/gl/m4/unistd_h.m4
index 7e7651b9d2..f68fbff8ce 100644
--- a/gl/m4/unistd_h.m4
+++ b/gl/m4/unistd_h.m4
@@ -1,4 +1,4 @@
-# unistd_h.m4 serial 65
+# unistd_h.m4 serial 66
 dnl Copyright (C) 2006-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -11,7 +11,6 @@ AC_DEFUN([gl_UNISTD_H],
   dnl Use AC_REQUIRE here, so that the default behavior below is expanded
   dnl once only, before all statements that occur in other macros.
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
-  AC_REQUIRE([AC_C_INLINE])
 
   gl_CHECK_NEXT_HEADERS([unistd.h])
   if test $ac_cv_header_unistd_h = yes; then
diff --git a/gl/m4/vasnprintf.m4 b/gl/m4/vasnprintf.m4
index 0ce11da13b..00308c4f54 100644
--- a/gl/m4/vasnprintf.m4
+++ b/gl/m4/vasnprintf.m4
@@ -1,4 +1,4 @@
-# vasnprintf.m4 serial 35
+# vasnprintf.m4 serial 36
 dnl Copyright (C) 2002-2004, 2006-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -55,7 +55,6 @@ AC_DEFUN([gl_PREREQ_PRINTF_PARSE],
 # Prerequisites of lib/vasnprintf.c.
 AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF],
 [
-  AC_REQUIRE([AC_C_INLINE])
   AC_REQUIRE([AC_FUNC_ALLOCA])
   AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
   AC_REQUIRE([gt_TYPE_WCHAR_T])
diff --git a/gl/math.c b/gl/math.c
new file mode 100644
index 0000000000..ddb2ded530
--- /dev/null
+++ b/gl/math.c
@@ -0,0 +1,3 @@
+#include <config.h>
+#define _GL_MATH_INLINE _GL_EXTERN_INLINE
+#include "math.h"
diff --git a/gl/math.in.h b/gl/math.in.h
index 0625777acc..252e205340 100644
--- a/gl/math.in.h
+++ b/gl/math.in.h
@@ -28,6 +28,10 @@
 #ifndef _@GUARD_PREFIX@_MATH_H
 #define _@GUARD_PREFIX@_MATH_H
 
+_GL_INLINE_HEADER_BEGIN
+#ifndef _GL_MATH_INLINE
+# define _GL_MATH_INLINE _GL_INLINE
+#endif
 
 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 
@@ -78,17 +82,17 @@ func (long double l)                                                \
    classification macros with an argument of real-floating (that is,
    one of float, double, or long double).  */
 #define _GL_WARN_REAL_FLOATING_DECL(func) \
-static inline int                                                   \
+_GL_MATH_INLINE int                                                 \
 rpl_ ## func ## f (float f)                                         \
 {                                                                   \
   return func (f);                                                  \
 }                                                                   \
-static inline int                                                   \
+_GL_MATH_INLINE int                                                 \
 rpl_ ## func ## d (double d)                                        \
 {                                                                   \
   return func (d);                                                  \
 }                                                                   \
-static inline int                                                   \
+_GL_MATH_INLINE int                                                 \
 rpl_ ## func ## l (long double l)                                   \
 {                                                                   \
   return func (l);                                                  \
@@ -124,7 +128,7 @@ static void (*_gl_math_fix_itold) (long double *, int) = _Qp_itoq;
   /* The Compaq (ex-DEC) C 6.4 compiler and the Microsoft MSVC 9 compiler
      choke on the expression 0.0 / 0.0.  */
 #  if defined __DECC || defined _MSC_VER
-static float
+_GL_MATH_INLINE float
 _NaN ()
 {
   static float zero = 0.0f;
@@ -2265,6 +2269,7 @@ _GL_WARN_REAL_FLOATING_DECL (signbit);
 # endif
 #endif
 
+_GL_INLINE_HEADER_END
 
 #endif /* _@GUARD_PREFIX@_MATH_H */
 #endif /* _@GUARD_PREFIX@_MATH_H */
diff --git a/gl/stdio.c b/gl/stdio.c
new file mode 100644
index 0000000000..e6ed82996b
--- /dev/null
+++ b/gl/stdio.c
@@ -0,0 +1,3 @@
+#include <config.h>
+#define _GL_STDIO_INLINE _GL_EXTERN_INLINE
+#include "stdio.h"
diff --git a/gl/stdio.in.h b/gl/stdio.in.h
index b1b543dee7..f3b52d28f6 100644
--- a/gl/stdio.in.h
+++ b/gl/stdio.in.h
@@ -46,6 +46,11 @@
 #ifndef _@GUARD_PREFIX@_STDIO_H
 #define _@GUARD_PREFIX@_STDIO_H
 
+_GL_INLINE_HEADER_BEGIN
+#ifndef _GL_STDIO_INLINE
+# define _GL_STDIO_INLINE _GL_INLINE
+#endif
+
 /* Get va_list.  Needed on many systems, including glibc 2.8.  */
 #include <stdarg.h>
 
@@ -581,7 +586,7 @@ _GL_CXXALIAS_SYS (fwrite, size_t,
    This affects only function declaration attributes, so it's not
    needed for C++.  */
 #  if !defined __cplusplus && 0 < __USE_FORTIFY_LEVEL
-static inline size_t _GL_ARG_NONNULL ((1, 4))
+_GL_STDIO_INLINE size_t _GL_ARG_NONNULL ((1, 4))
 rpl_fwrite (const void *ptr, size_t s, size_t n, FILE *stream)
 {
   size_t r = fwrite (ptr, s, n, stream);
@@ -1333,6 +1338,7 @@ _GL_WARN_ON_USE (vsprintf, "vsprintf is not always POSIX compliant - "
                       "POSIX compliance");
 #endif
 
+_GL_INLINE_HEADER_END
 
 #endif /* _@GUARD_PREFIX@_STDIO_H */
 #endif /* _@GUARD_PREFIX@_STDIO_H */
diff --git a/gl/sys_socket.c b/gl/sys_socket.c
new file mode 100644
index 0000000000..3f017f8fc6
--- /dev/null
+++ b/gl/sys_socket.c
@@ -0,0 +1,3 @@
+#include <config.h>
+#define _GL_SYS_SOCKET_INLINE _GL_EXTERN_INLINE
+#include "sys/socket.h"
diff --git a/gl/sys_socket.in.h b/gl/sys_socket.in.h
index f2eda0c3b3..bbf533df15 100644
--- a/gl/sys_socket.in.h
+++ b/gl/sys_socket.in.h
@@ -63,6 +63,11 @@
 #ifndef _@GUARD_PREFIX@_SYS_SOCKET_H
 #define _@GUARD_PREFIX@_SYS_SOCKET_H
 
+_GL_INLINE_HEADER_BEGIN
+#ifndef _GL_SYS_SOCKET_INLINE
+# define _GL_SYS_SOCKET_INLINE _GL_INLINE
+#endif
+
 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 
 /* The definition of _GL_ARG_NONNULL is copied here.  */
@@ -201,7 +206,7 @@ struct msghdr {
 
 /* Re-define FD_ISSET to avoid a WSA call while we are not using
    network sockets.  */
-static inline int
+_GL_SYS_SOCKET_INLINE int
 rpl_fd_isset (SOCKET fd, fd_set * set)
 {
   u_int i;
@@ -677,6 +682,8 @@ _GL_WARN_ON_USE (accept4, "accept4 is unportable - "
 # endif
 #endif
 
+_GL_INLINE_HEADER_END
+
 #endif /* _@GUARD_PREFIX@_SYS_SOCKET_H */
 #endif /* _@GUARD_PREFIX@_SYS_SOCKET_H */
 #endif
diff --git a/gl/sys_stat.in.h b/gl/sys_stat.in.h
index 2efc1e92e0..ac05ddb5ce 100644
--- a/gl/sys_stat.in.h
+++ b/gl/sys_stat.in.h
@@ -497,7 +497,7 @@ _GL_CXXALIAS_RPL (mkdir, int, (char const *name, mode_t mode));
 # if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
 
 #  if !GNULIB_defined_rpl_mkdir
-static inline int
+static int
 rpl_mkdir (char const *name, mode_t mode)
 {
   return _mkdir (name);
diff --git a/gl/tests/ftruncate.c b/gl/tests/ftruncate.c
index e243adda60..b7b525caad 100644
--- a/gl/tests/ftruncate.c
+++ b/gl/tests/ftruncate.c
@@ -157,7 +157,7 @@ ftruncate (int fd, off_t length)
 
 #  if HAVE_MSVC_INVALID_PARAMETER_HANDLER
 #   include "msvc-inval.h"
-static inline int
+static int
 chsize_nothrow (int fd, long length)
 {
   int result;
diff --git a/gl/tests/glthread/lock.c b/gl/tests/glthread/lock.c
index 9a391ea6c9..bc0df297a1 100644
--- a/gl/tests/glthread/lock.c
+++ b/gl/tests/glthread/lock.c
@@ -682,7 +682,7 @@ glthread_lock_destroy_func (gl_lock_t *lock)
 /* In this file, the waitqueues are implemented as circular arrays.  */
 #define gl_waitqueue_t gl_carray_waitqueue_t
 
-static inline void
+static void
 gl_waitqueue_init (gl_waitqueue_t *wq)
 {
   wq->array = NULL;
@@ -743,7 +743,7 @@ gl_waitqueue_add (gl_waitqueue_t *wq)
 }
 
 /* Notifies the first thread from a wait queue and dequeues it.  */
-static inline void
+static void
 gl_waitqueue_notify_first (gl_waitqueue_t *wq)
 {
   SetEvent (wq->array[wq->offset + 0]);
@@ -754,7 +754,7 @@ gl_waitqueue_notify_first (gl_waitqueue_t *wq)
 }
 
 /* Notifies all threads from a wait queue and dequeues them all.  */
-static inline void
+static void
 gl_waitqueue_notify_all (gl_waitqueue_t *wq)
 {
   unsigned int i;
diff --git a/gl/tests/lstat.c b/gl/tests/lstat.c
index db119a10d3..97fe6bb2d5 100644
--- a/gl/tests/lstat.c
+++ b/gl/tests/lstat.c
@@ -35,7 +35,7 @@ typedef int dummy;
 # include <sys/stat.h>
 # undef __need_system_sys_stat_h
 
-static inline int
+static int
 orig_lstat (const char *filename, struct stat *buf)
 {
   return lstat (filename, buf);
diff --git a/gl/tests/open.c b/gl/tests/open.c
index 27801b916c..bdfc8db5cf 100644
--- a/gl/tests/open.c
+++ b/gl/tests/open.c
@@ -27,7 +27,7 @@
 #include <sys/types.h>
 #undef __need_system_fcntl_h
 
-static inline int
+static int
 orig_open (const char *filename, int flags, mode_t mode)
 {
   return open (filename, flags, mode);
diff --git a/gl/tests/stat.c b/gl/tests/stat.c
index 7599540890..c0bcb88320 100644
--- a/gl/tests/stat.c
+++ b/gl/tests/stat.c
@@ -42,7 +42,7 @@
 # endif
 #endif
 
-static inline int
+static int
 orig_stat (const char *filename, struct stat *buf)
 {
   return stat (filename, buf);
diff --git a/gl/unistd.c b/gl/unistd.c
new file mode 100644
index 0000000000..6c6a8e268c
--- /dev/null
+++ b/gl/unistd.c
@@ -0,0 +1,3 @@
+#include <config.h>
+#define _GL_UNISTD_INLINE _GL_EXTERN_INLINE
+#include "unistd.h"
diff --git a/gl/unistd.in.h b/gl/unistd.in.h
index e904e512ee..6171f77ac7 100644
--- a/gl/unistd.in.h
+++ b/gl/unistd.in.h
@@ -127,6 +127,11 @@
 # include <getopt.h>
 #endif
 
+_GL_INLINE_HEADER_BEGIN
+#ifndef _GL_UNISTD_INLINE
+# define _GL_UNISTD_INLINE _GL_INLINE
+#endif
+
 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 
 /* The definition of _GL_ARG_NONNULL is copied here.  */
@@ -404,7 +409,7 @@ extern char **environ;
 # endif
 #elif defined GNULIB_POSIXCHECK
 # if HAVE_RAW_DECL_ENVIRON
-static inline char ***
+_GL_UNISTD_INLINE char ***
 rpl_environ (void)
 {
   return &environ;
@@ -862,7 +867,7 @@ _GL_CXXALIAS_RPL (getpagesize, int, (void));
 #     define getpagesize() _gl_getpagesize ()
 #    else
 #     if !GNULIB_defined_getpagesize_function
-static inline int
+_GL_UNISTD_INLINE int
 getpagesize ()
 {
   return _gl_getpagesize ();
@@ -1530,6 +1535,7 @@ _GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count));
 _GL_CXXALIASWARN (write);
 #endif
 
+_GL_INLINE_HEADER_END
 
 #endif /* _@GUARD_PREFIX@_UNISTD_H */
 #endif /* _@GUARD_PREFIX@_UNISTD_H */
diff --git a/gl/vasnprintf.c b/gl/vasnprintf.c
index 0261661d4e..e6fc52338a 100644
--- a/gl/vasnprintf.c
+++ b/gl/vasnprintf.c
@@ -1530,7 +1530,7 @@ is_borderline (const char *digits, size_t precision)
 
 /* Returns the number of TCHAR_T units needed as temporary space for the result
    of sprintf or SNPRINTF of a single conversion directive.  */
-static inline size_t
+static size_t
 MAX_ROOM_NEEDED (const arguments *ap, size_t arg_index, FCHAR_T conversion,
                  arg_type type, int flags, size_t width, int has_precision,
                  size_t precision, int pad_ourselves)
diff --git a/maint.mk b/maint.mk
index cd365e774b..93c2508ecc 100644
--- a/maint.mk
+++ b/maint.mk
@@ -155,7 +155,7 @@ export LC_ALL = C
 ## Sanity checks.  ##
 ## --------------- ##
 
-_cfg_mk := $(shell test -f $(srcdir)/cfg.mk && echo '$(srcdir)/cfg.mk')
+_cfg_mk := $(wildcard $(srcdir)/cfg.mk)
 
 # Collect the names of rules starting with 'sc_'.
 syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \
@@ -1315,7 +1315,7 @@ announcement_mail_Cc_ ?= $(announcement_mail_Cc_$(release-type))
 announcement_mail_headers_ ?= $(announcement_mail_headers_$(release-type))
 announcement: NEWS ChangeLog $(rel-files)
 # Not $(AM_V_GEN) since the output of this command serves as
-# annoucement message: it would start with " GEN announcement".
+# announcement message: it would start with " GEN announcement".
 	$(AM_V_at)$(srcdir)/$(_build-aux)/announce-gen			\
 	    --mail-headers='$(announcement_mail_headers_)'		\
 	    --release-type=$(release-type)				\