fchmodat, fchownat, fstatat: use extern-inline

* lib/fchmodat.c, lib/openat.h (FCHMODAT_INLINE):
* lib/fchownat.c, lib/openat.h (FCHOWNAT_INLINE):
* lib/fstatat.c, lib/openat.h (FSTATAT_INLINE):
New macros.
* lib/openat.h:
Replace all uses of 'static inline' with them.
Use _GL_INLINE_HEADER_BEGIN, _GL_INLINE_HEADER_END.
* modules/fchmodat, modules/fchownat, modules/fstatat:
* modules/openat-h:
(Depends-on):
Add extern-inline.
(configure.ac): Remove AC_C_INLINE.

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/fstatat.c b/lib/fstatat.c
index 9b701c4d61..ed42fa8345 100644
--- a/lib/fstatat.c
+++ b/lib/fstatat.c
@@ -23,13 +23,15 @@
 #define __need_system_sys_stat_h
 #include <config.h>
 
+#include FSTATAT_INLINE _GL_EXTERN_INLINE
+
 /* Get the original definition of fstatat.  It might be defined as a macro.  */
 #include <sys/types.h>
 #include <sys/stat.h>
 #undef __need_system_sys_stat_h
 
 #if HAVE_FSTATAT
-static inline int
+static int
 orig_fstatat (int fd, char const *filename, struct stat *buf, int flags)
 {
   return fstatat (fd, filename, buf, flags);
@@ -97,7 +99,7 @@ rpl_fstatat (int fd, char const *file, struct stat *st, int flag)
    because the preprocessor sees a use of a macro that requires two
    arguments but is only given one.  Hence, we need an inline
    forwarder to get past the preprocessor.  */
-static inline int
+static int
 stat_func (char const *name, struct stat *st)
 {
   return stat (name, st);