[ChangeLog]

Use 'inline', not 'INLINE'.
* configure.in, autogen/config.in (INLINE): Remove.
[lib-src/ChangeLog]
Use 'inline', not 'INLINE'.
* etags.c (hash): Now inline unconditionally.
* make-docfile.c (put_char): inline, not INLINE.
[nt/ChangeLog]
Use 'inline', not 'INLINE'.
* config.nt (INLINE): Remove.
[src/ChangeLog]
Use 'inline', not 'INLINE'.
* alloc.c, fontset.c (INLINE): Remove.
* alloc.c, bidi.c, charset.c, coding.c, dispnew.c, fns.c, image.c:
* intervals.c, keyboard.c, process.c, syntax.c, textprop.c, w32term.c:
* xdisp.c, xfaces.c, xterm.c: Replace all uses of INLINE with inline.
* gmalloc.c (register_heapinfo): Use inline unconditionally.
* lisp.h (LISP_MAKE_RVALUE): Use inline, not __inline__.

28 files changed, 142 insertions, 166 deletions

diff --git a/ChangeLog b/ChangeLog
index 4e6512e3070..ab31d008d53 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-05-28  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Use 'inline', not 'INLINE'.
+	* configure.in, autogen/config.in (INLINE): Remove.
+
 2011-05-27  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* doc/misc/texinfo.tex, lib/getopt.c, lib/intprops.h: Merge from gnulib.
diff --git a/autogen/config.in b/autogen/config.in
index 860c509cd3e..74d6d442de0 100644
--- a/autogen/config.in
+++ b/autogen/config.in
@@ -1278,16 +1278,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Turned on June 1996 supposing nobody will mind it.  */
 #define AMPERSAND_FULL_NAME
 
-/* If using GNU, then support inline function declarations.  */
-/* Don't try to switch on inline handling as detected by AC_C_INLINE
-   generally, because even if non-gcc compilers accept `inline', they
-   may reject `extern inline'.  */
-#if defined (__GNUC__)
-#define INLINE __inline__
-#else
-#define INLINE
-#endif
-
 /* `subprocesses' should be defined if you want to
    have code for asynchronous subprocesses
    (as used in M-x compile and M-x shell).
@@ -1438,4 +1428,3 @@ Local Variables:
 mode: c
 End:
 */
-
diff --git a/configure.in b/configure.in
index c30f5b456e9..06880ea154b 100644
--- a/configure.in
+++ b/configure.in
@@ -1286,9 +1286,6 @@ dnl and void *.
 AC_C_PROTOTYPES
 AC_C_VOLATILE
 AC_C_CONST
-dnl This isn't useful because we can't turn on use of `inline' unless
-dnl the compiler groks `extern inline'.
-dnl AC_C_INLINE
 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
   [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[void * foo;]])],
                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
@@ -3449,16 +3446,6 @@ AH_BOTTOM([
 /* Turned on June 1996 supposing nobody will mind it.  */
 #define AMPERSAND_FULL_NAME
 
-/* If using GNU, then support inline function declarations.  */
-/* Don't try to switch on inline handling as detected by AC_C_INLINE
-   generally, because even if non-gcc compilers accept `inline', they
-   may reject `extern inline'.  */
-#if defined (__GNUC__)
-#define INLINE __inline__
-#else
-#define INLINE
-#endif
-
 /* `subprocesses' should be defined if you want to
    have code for asynchronous subprocesses
    (as used in M-x compile and M-x shell).
diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog
index de7f969fd56..9b3024ad2c1 100644
--- a/lib-src/ChangeLog
+++ b/lib-src/ChangeLog
@@ -1,3 +1,9 @@
+2011-05-28  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Use 'inline', not 'INLINE'.
+	* etags.c (hash): Now inline unconditionally.
+	* make-docfile.c (put_char): inline, not INLINE.
+
 2011-05-25  Glenn Morris  <rgm@gnu.org>
 
 	* Makefile.in (.c.o): Remove (every .o file has an explicit rule).
diff --git a/lib-src/etags.c b/lib-src/etags.c
index 097f6842c07..693c999047f 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -2360,14 +2360,7 @@ and replace lines between %< and %> with its output, then:
 struct C_stab_entry { const char *name; int c_ext; enum sym_type type; };
 /* maximum key range = 33, duplicates = 0 */
 
-#ifdef __GNUC__
-__inline
-#else
-#ifdef __cplusplus
-inline
-#endif
-#endif
-static unsigned int
+static inline unsigned int
 hash (register const char *str, register unsigned int len)
 {
   static unsigned char asso_values[] =
diff --git a/lib-src/make-docfile.c b/lib-src/make-docfile.c
index 9b804684a12..ba54202954b 100644
--- a/lib-src/make-docfile.c
+++ b/lib-src/make-docfile.c
@@ -291,7 +291,7 @@ struct rcsoc_state
 /* Output CH to the file or buffer in STATE.  Any pending newlines or
    spaces are output first.  */
 
-static INLINE void
+static inline void
 put_char (int ch, struct rcsoc_state *state)
 {
   int out_ch;
diff --git a/nt/ChangeLog b/nt/ChangeLog
index c0a6eaf1505..d3bb4257d71 100644
--- a/nt/ChangeLog
+++ b/nt/ChangeLog
@@ -1,3 +1,8 @@
+2011-05-28  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Use 'inline', not 'INLINE'.
+	* config.nt (INLINE): Remove.
+
 2011-05-17  Eli Zaretskii  <eliz@gnu.org>
 
 	* README.W32: Add information about GnuTLS libraries.
diff --git a/nt/config.nt b/nt/config.nt
index c071bafc7dc..2ba76df4446 100644
--- a/nt/config.nt
+++ b/nt/config.nt
@@ -362,14 +362,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* End of gnulib-related stuff.  */
 
-/* If using GNU, then support inline function declarations. */
-#ifdef __GNUC__
-#define INLINE __inline__
-#define inline __inline__
-#else
-#define INLINE
-#endif
-
 #if __GNUC__ >= 3  /* On GCC 3.0 we might get a warning.  */
 #define NO_INLINE __attribute__((noinline))
 #else
diff --git a/src/ChangeLog b/src/ChangeLog
index 4309917198a..b70876013f9 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,13 @@
+2011-05-28  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Use 'inline', not 'INLINE'.
+	* alloc.c, fontset.c (INLINE): Remove.
+	* alloc.c, bidi.c, charset.c, coding.c, dispnew.c, fns.c, image.c:
+	* intervals.c, keyboard.c, process.c, syntax.c, textprop.c, w32term.c:
+	* xdisp.c, xfaces.c, xterm.c: Replace all uses of INLINE with inline.
+	* gmalloc.c (register_heapinfo): Use inline unconditionally.
+	* lisp.h (LISP_MAKE_RVALUE): Use inline, not __inline__.
+
 2011-05-28  William Xu  <william.xwl@gmail.com>
 
 	* nsterm.m (ns_term_shutdown): Synchronize user defaults before
diff --git a/src/alloc.c b/src/alloc.c
index 3f7bed571c7..f62ae125408 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -22,10 +22,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <limits.h>		/* For CHAR_BIT.  */
 #include <setjmp.h>
 
-#ifdef ALLOC_DEBUG
-#undef INLINE
-#endif
-
 #include <signal.h>
 
 #ifdef HAVE_GTK_AND_PTHREAD
@@ -408,7 +404,7 @@ static void mem_rotate_left (struct mem_node *);
 static void mem_rotate_right (struct mem_node *);
 static void mem_delete (struct mem_node *);
 static void mem_delete_fixup (struct mem_node *);
-static INLINE struct mem_node *mem_find (void *);
+static inline struct mem_node *mem_find (void *);
 
 
 #if GC_MARK_STACK == GC_MARK_STACK_CHECK_GCPROS
@@ -3376,7 +3372,7 @@ mem_init (void)
 /* Value is a pointer to the mem_node containing START.  Value is
    MEM_NIL if there is no node in the tree containing START.  */
 
-static INLINE struct mem_node *
+static inline struct mem_node *
 mem_find (void *start)
 {
   struct mem_node *p;
@@ -3752,7 +3748,7 @@ mem_delete_fixup (struct mem_node *x)
 /* Value is non-zero if P is a pointer to a live Lisp string on
    the heap.  M is a pointer to the mem_block for P.  */
 
-static INLINE int
+static inline int
 live_string_p (struct mem_node *m, void *p)
 {
   if (m->type == MEM_TYPE_STRING)
@@ -3775,7 +3771,7 @@ live_string_p (struct mem_node *m, void *p)
 /* Value is non-zero if P is a pointer to a live Lisp cons on
    the heap.  M is a pointer to the mem_block for P.  */
 
-static INLINE int
+static inline int
 live_cons_p (struct mem_node *m, void *p)
 {
   if (m->type == MEM_TYPE_CONS)
@@ -3801,7 +3797,7 @@ live_cons_p (struct mem_node *m, void *p)
 /* Value is non-zero if P is a pointer to a live Lisp symbol on
    the heap.  M is a pointer to the mem_block for P.  */
 
-static INLINE int
+static inline int
 live_symbol_p (struct mem_node *m, void *p)
 {
   if (m->type == MEM_TYPE_SYMBOL)
@@ -3827,7 +3823,7 @@ live_symbol_p (struct mem_node *m, void *p)
 /* Value is non-zero if P is a pointer to a live Lisp float on
    the heap.  M is a pointer to the mem_block for P.  */
 
-static INLINE int
+static inline int
 live_float_p (struct mem_node *m, void *p)
 {
   if (m->type == MEM_TYPE_FLOAT)
@@ -3851,7 +3847,7 @@ live_float_p (struct mem_node *m, void *p)
 /* Value is non-zero if P is a pointer to a live Lisp Misc on
    the heap.  M is a pointer to the mem_block for P.  */
 
-static INLINE int
+static inline int
 live_misc_p (struct mem_node *m, void *p)
 {
   if (m->type == MEM_TYPE_MISC)
@@ -3877,7 +3873,7 @@ live_misc_p (struct mem_node *m, void *p)
 /* Value is non-zero if P is a pointer to a live vector-like object.
    M is a pointer to the mem_block for P.  */
 
-static INLINE int
+static inline int
 live_vector_p (struct mem_node *m, void *p)
 {
   return (p == m->start && m->type == MEM_TYPE_VECTORLIKE);
@@ -3887,7 +3883,7 @@ live_vector_p (struct mem_node *m, void *p)
 /* Value is non-zero if P is a pointer to a live buffer.  M is a
    pointer to the mem_block for P.  */
 
-static INLINE int
+static inline int
 live_buffer_p (struct mem_node *m, void *p)
 {
   /* P must point to the start of the block, and the buffer
@@ -3953,7 +3949,7 @@ DEFUN ("gc-status", Fgc_status, Sgc_status, 0, 0, "",
 
 /* Mark OBJ if we can prove it's a Lisp_Object.  */
 
-static INLINE void
+static inline void
 mark_maybe_object (Lisp_Object obj)
 {
   void *po;
@@ -4022,7 +4018,7 @@ mark_maybe_object (Lisp_Object obj)
 /* If P points to Lisp data, mark that as live if it isn't already
    marked.  */
 
-static INLINE void
+static inline void
 mark_maybe_pointer (void *p)
 {
   struct mem_node *m;
diff --git a/src/bidi.c b/src/bidi.c
index 88c45e24a14..b05fd21e5b6 100644
--- a/src/bidi.c
+++ b/src/bidi.c
@@ -137,7 +137,7 @@ bidi_initialize (void)
 
 /* Return the bidi type of a character CH, subject to the current
    directional OVERRIDE.  */
-static INLINE bidi_type_t
+static inline bidi_type_t
 bidi_get_type (int ch, bidi_dir_t override)
 {
   bidi_type_t default_type;
@@ -188,7 +188,7 @@ bidi_check_type (bidi_type_t type)
 }
 
 /* Given a bidi TYPE of a character, return its category.  */
-static INLINE bidi_category_t
+static inline bidi_category_t
 bidi_get_category (bidi_type_t type)
 {
   switch (type)
@@ -252,7 +252,7 @@ bidi_mirror_char (int c)
 
 /* Copy the bidi iterator from FROM to TO.  To save cycles, this only
    copies the part of the level stack that is actually in use.  */
-static INLINE void
+static inline void
 bidi_copy_it (struct bidi_it *to, struct bidi_it *from)
 {
   int i;
@@ -275,14 +275,14 @@ static size_t elsz = sizeof (struct bidi_it);
 static int bidi_cache_idx;	/* next unused cache slot */
 static int bidi_cache_last_idx;	/* slot of last cache hit */
 
-static INLINE void
+static inline void
 bidi_cache_reset (void)
 {
   bidi_cache_idx = 0;
   bidi_cache_last_idx = -1;
 }
 
-static INLINE void
+static inline void
 bidi_cache_shrink (void)
 {
   if (bidi_cache_size > BIDI_CACHE_CHUNK)
@@ -294,7 +294,7 @@ bidi_cache_shrink (void)
   bidi_cache_reset ();
 }
 
-static INLINE void
+static inline void
 bidi_cache_fetch_state (int idx, struct bidi_it *bidi_it)
 {
   int current_scan_dir = bidi_it->scan_dir;
@@ -311,7 +311,7 @@ bidi_cache_fetch_state (int idx, struct bidi_it *bidi_it)
    level less or equal to LEVEL.  if LEVEL is -1, disregard the
    resolved levels in cached states.  DIR, if non-zero, means search
    in that direction from the last cache hit.  */
-static INLINE int
+static inline int
 bidi_cache_search (EMACS_INT charpos, int level, int dir)
 {
   int i, i_start;
@@ -402,7 +402,7 @@ bidi_cache_find_level_change (int level, int dir, int before)
   return -1;
 }
 
-static INLINE void
+static inline void
 bidi_cache_iterator_state (struct bidi_it *bidi_it, int resolved)
 {
   int idx;
@@ -460,7 +460,7 @@ bidi_cache_iterator_state (struct bidi_it *bidi_it, int resolved)
     bidi_cache_idx = idx + 1;
 }
 
-static INLINE bidi_type_t
+static inline bidi_type_t
 bidi_cache_find (EMACS_INT charpos, int level, struct bidi_it *bidi_it)
 {
   int i = bidi_cache_search (charpos, level, bidi_it->scan_dir);
@@ -480,7 +480,7 @@ bidi_cache_find (EMACS_INT charpos, int level, struct bidi_it *bidi_it)
   return UNKNOWN_BT;
 }
 
-static INLINE int
+static inline int
 bidi_peek_at_next_level (struct bidi_it *bidi_it)
 {
   if (bidi_cache_idx == 0 || bidi_cache_last_idx == -1)
@@ -519,7 +519,7 @@ bidi_at_paragraph_end (EMACS_INT charpos, EMACS_INT bytepos)
    embedding levels on either side of the run boundary.  Also, update
    the saved info about previously seen characters, since that info is
    generally valid for a single level run.  */
-static INLINE void
+static inline void
 bidi_set_sor_type (struct bidi_it *bidi_it, int level_before, int level_after)
 {
   int higher_level = level_before > level_after ? level_before : level_after;
@@ -729,7 +729,7 @@ bidi_paragraph_init (bidi_dir_t dir, struct bidi_it *bidi_it, int no_default_p)
 
 /* Do whatever UAX#9 clause X8 says should be done at paragraph's
    end.  */
-static INLINE void
+static inline void
 bidi_set_paragraph_end (struct bidi_it *bidi_it)
 {
   bidi_it->invalid_levels = 0;
@@ -772,7 +772,7 @@ bidi_init_it (EMACS_INT charpos, EMACS_INT bytepos, struct bidi_it *bidi_it)
 
 /* Push the current embedding level and override status; reset the
    current level to LEVEL and the current override status to OVERRIDE.  */
-static INLINE void
+static inline void
 bidi_push_embedding_level (struct bidi_it *bidi_it,
 			   int level, bidi_dir_t override)
 {
@@ -785,7 +785,7 @@ bidi_push_embedding_level (struct bidi_it *bidi_it,
 
 /* Pop the embedding level and directional override status from the
    stack, and return the new level.  */
-static INLINE int
+static inline int
 bidi_pop_embedding_level (struct bidi_it *bidi_it)
 {
   /* UAX#9 says to ignore invalid PDFs.  */
@@ -795,7 +795,7 @@ bidi_pop_embedding_level (struct bidi_it *bidi_it)
 }
 
 /* Record in SAVED_INFO the information about the current character.  */
-static INLINE void
+static inline void
 bidi_remember_char (struct bidi_saved_info *saved_info,
 		    struct bidi_it *bidi_it)
 {
@@ -811,7 +811,7 @@ bidi_remember_char (struct bidi_saved_info *saved_info,
 
 /* Resolve the type of a neutral character according to the type of
    surrounding strong text and the current embedding level.  */
-static INLINE bidi_type_t
+static inline bidi_type_t
 bidi_resolve_neutral_1 (bidi_type_t prev_type, bidi_type_t next_type, int lev)
 {
   /* N1: European and Arabic numbers are treated as though they were R.  */
@@ -828,7 +828,7 @@ bidi_resolve_neutral_1 (bidi_type_t prev_type, bidi_type_t next_type, int lev)
     return STRONG_R;
 }
 
-static INLINE int
+static inline int
 bidi_explicit_dir_char (int c)
 {
   /* FIXME: this should be replaced with a lookup table with suitable
diff --git a/src/charset.c b/src/charset.c
index 55fd57031ac..b1b4993d277 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -418,7 +418,7 @@ load_charset_map (struct charset *charset, struct charset_map_entries *entries,
 /* Read a hexadecimal number (preceded by "0x") from the file FP while
    paying attention to comment character '#'.  */
 
-static INLINE unsigned
+static inline unsigned
 read_hex (FILE *fp, int *eof)
 {
   int c;
diff --git a/src/coding.c b/src/coding.c
index 71253df6469..e257790bbef 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -864,21 +864,21 @@ static void decode_eol (struct coding_system *);
 static Lisp_Object get_translation_table (Lisp_Object, int, int *);
 static Lisp_Object get_translation (Lisp_Object, int *, int *);
 static int produce_chars (struct coding_system *, Lisp_Object, int);
-static INLINE void produce_charset (struct coding_system *, int *,
+static inline void produce_charset (struct coding_system *, int *,
                                     EMACS_INT);
 static void produce_annotation (struct coding_system *, EMACS_INT);
 static int decode_coding (struct coding_system *);
-static INLINE int *handle_composition_annotation (EMACS_INT, EMACS_INT,
+static inline int *handle_composition_annotation (EMACS_INT, EMACS_INT,
                                                   struct coding_system *,
                                                   int *, EMACS_INT *);
-static INLINE int *handle_charset_annotation (EMACS_INT, EMACS_INT,
+static inline int *handle_charset_annotation (EMACS_INT, EMACS_INT,
                                               struct coding_system *,
                                               int *, EMACS_INT *);
 static void consume_chars (struct coding_system *, Lisp_Object, int);
 static int encode_coding (struct coding_system *);
 static Lisp_Object make_conversion_work_buffer (int);
 static Lisp_Object code_conversion_restore (Lisp_Object);
-static INLINE int char_encodable_p (int, Lisp_Object);
+static inline int char_encodable_p (int, Lisp_Object);
 static Lisp_Object make_subsidiaries (Lisp_Object);
 
 static void
@@ -6829,7 +6829,7 @@ produce_chars (struct coding_system *coding, Lisp_Object translation_table,
      [ -LENGTH ANNOTATION_MASK NCHARS NBYTES METHOD [ COMPONENTS... ] ]
  */
 
-static INLINE void
+static inline void
 produce_composition (struct coding_system *coding, int *charbuf, EMACS_INT pos)
 {
   int len;
@@ -6873,7 +6873,7 @@ produce_composition (struct coding_system *coding, int *charbuf, EMACS_INT pos)
      [ -LENGTH ANNOTATION_MASK NCHARS CHARSET-ID ]
  */
 
-static INLINE void
+static inline void
 produce_charset (struct coding_system *coding, int *charbuf, EMACS_INT pos)
 {
   EMACS_INT from = pos - charbuf[2];
@@ -7101,7 +7101,7 @@ decode_coding (struct coding_system *coding)
    position of a composition after POS (if any) or to LIMIT, and
    return BUF.  */
 
-static INLINE int *
+static inline int *
 handle_composition_annotation (EMACS_INT pos, EMACS_INT limit,
 			       struct coding_system *coding, int *buf,
 			       EMACS_INT *stop)
@@ -7184,7 +7184,7 @@ handle_composition_annotation (EMACS_INT pos, EMACS_INT limit,
    If the property value is nil, set *STOP to the position where the
    property value is non-nil (limiting by LIMIT), and return BUF.  */
 
-static INLINE int *
+static inline int *
 handle_charset_annotation (EMACS_INT pos, EMACS_INT limit,
 			   struct coding_system *coding, int *buf,
 			   EMACS_INT *stop)
@@ -8435,7 +8435,7 @@ highest priority.  */)
 }
 
 
-static INLINE int
+static inline int
 char_encodable_p (int c, Lisp_Object attrs)
 {
   Lisp_Object tail;
diff --git a/src/dispnew.c b/src/dispnew.c
index 7ae6c61d0c7..cd20bd6e9aa 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -1101,7 +1101,7 @@ swap_glyphs_in_rows (a, b)
 
 /* Exchange pointers to glyph memory between glyph rows A and B.  */
 
-static INLINE void
+static inline void
 swap_glyph_pointers (struct glyph_row *a, struct glyph_row *b)
 {
   int i;
@@ -1117,7 +1117,7 @@ swap_glyph_pointers (struct glyph_row *a, struct glyph_row *b)
 /* Copy glyph row structure FROM to glyph row structure TO, except
    that glyph pointers in the structures are left unchanged.  */
 
-static INLINE void
+static inline void
 copy_row_except_pointers (struct glyph_row *to, struct glyph_row *from)
 {
   struct glyph *pointers[1 + LAST_AREA];
@@ -1138,7 +1138,7 @@ copy_row_except_pointers (struct glyph_row *to, struct glyph_row *from)
    exchanged between TO and FROM.  Pointers must be exchanged to avoid
    a memory leak.  */
 
-static INLINE void
+static inline void
 assign_row (struct glyph_row *to, struct glyph_row *from)
 {
   swap_glyph_pointers (to, from);
@@ -1304,7 +1304,7 @@ line_draw_cost (struct glyph_matrix *matrix, int vpos)
    and B have equal contents.  MOUSE_FACE_P non-zero means compare the
    mouse_face_p flags of A and B, too.  */
 
-static INLINE int
+static inline int
 row_equal_p (struct glyph_row *a, struct glyph_row *b, int mouse_face_p)
 {
   if (a == b)
@@ -2729,7 +2729,7 @@ fill_up_frame_row_with_spaces (struct glyph_row *row, int upto)
    function must be called before updates to make explicit that we are
    working on frame matrices or not.  */
 
-static INLINE void
+static inline void
 set_frame_matrix_frame (struct frame *f)
 {
   frame_matrix_frame = f;
@@ -2744,7 +2744,7 @@ set_frame_matrix_frame (struct frame *f)
    done in frame matrices, and that we have to perform analogous
    operations in window matrices of frame_matrix_frame.  */
 
-static INLINE void
+static inline void
 make_current (struct glyph_matrix *desired_matrix, struct glyph_matrix *current_matrix, int row)
 {
   struct glyph_row *current_row = MATRIX_ROW (current_matrix, row);
@@ -4246,7 +4246,7 @@ static struct run **runs;
 
 /* Add glyph row ROW to the scrolling hash table.  */
 
-static INLINE struct row_entry *
+static inline struct row_entry *
 add_row_entry (struct glyph_row *row)
 {
   struct row_entry *entry;
diff --git a/src/fns.c b/src/fns.c
index f5377d05c40..089f088b63d 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -3704,7 +3704,7 @@ copy_hash_table (struct Lisp_Hash_Table *h1)
 /* Resize hash table H if it's too full.  If H cannot be resized
    because it's already too large, throw an error.  */
 
-static INLINE void
+static inline void
 maybe_resize_hash_table (struct Lisp_Hash_Table *h)
 {
   if (NILP (h->next_free))
diff --git a/src/fontset.c b/src/fontset.c
index a40a3dd5f9c..46637b53b3e 100644
--- a/src/fontset.c
+++ b/src/fontset.c
@@ -58,8 +58,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #undef xassert
 #ifdef FONTSET_DEBUG
 #define xassert(X)	do {if (!(X)) abort ();} while (0)
-#undef INLINE
-#define INLINE
 #else   /* not FONTSET_DEBUG */
 #define xassert(X)	(void) 0
 #endif	/* not FONTSET_DEBUG */
diff --git a/src/gmalloc.c b/src/gmalloc.c
index 5237432872d..a023d2d78e5 100644
--- a/src/gmalloc.c
+++ b/src/gmalloc.c
@@ -552,12 +552,8 @@ get_contiguous_space (size, position)
 /* This is called when `_heapinfo' and `heapsize' have just
    been set to describe a new info table.  Set up the table
    to describe itself and account for it in the statistics.  */
-static void register_heapinfo PP ((void));
-#ifdef __GNUC__
-__inline__
-#endif
-static void
-register_heapinfo ()
+static inline void
+register_heapinfo (void)
 {
   __malloc_size_t block, blocks;
 
@@ -2170,4 +2166,3 @@ mprobe (__ptr_t ptr)
 }
 
 #endif /* GC_MCHECK */
-
diff --git a/src/image.c b/src/image.c
index 2562d79a782..d3702a180c6 100644
--- a/src/image.c
+++ b/src/image.c
@@ -623,7 +623,7 @@ define_image_type (struct image_type *type, int loaded)
 /* Look up image type SYMBOL, and return a pointer to its image_type
    structure.  Value is null if SYMBOL is not a known image type.  */
 
-static INLINE struct image_type *
+static inline struct image_type *
 lookup_image_type (Lisp_Object symbol)
 {
   struct image_type *type;
diff --git a/src/intervals.c b/src/intervals.c
index e72bc146d16..f9e9c864e13 100644
--- a/src/intervals.c
+++ b/src/intervals.c
@@ -313,7 +313,7 @@ root_interval (interval)
      c		  c
 */
 
-static INLINE INTERVAL
+static inline INTERVAL
 rotate_right (INTERVAL interval)
 {
   INTERVAL i;
@@ -360,7 +360,7 @@ rotate_right (INTERVAL interval)
     c               c
 */
 
-static INLINE INTERVAL
+static inline INTERVAL
 rotate_left (INTERVAL interval)
 {
   INTERVAL i;
@@ -438,7 +438,7 @@ balance_an_interval (INTERVAL i)
 /* Balance INTERVAL, potentially stuffing it back into its parent
    Lisp Object.  */
 
-static INLINE INTERVAL
+static inline INTERVAL
 balance_possible_root_interval (register INTERVAL interval)
 {
   Lisp_Object parent;
@@ -1427,7 +1427,7 @@ adjust_intervals_for_deletion (struct buffer *buffer,
    at position START.  Addition or deletion is indicated by the sign
    of LENGTH.  */
 
-INLINE void
+inline void
 offset_intervals (struct buffer *buffer, EMACS_INT start, EMACS_INT length)
 {
   if (NULL_INTERVAL_P (BUF_INTERVALS (buffer)) || length == 0)
@@ -1883,7 +1883,7 @@ lookup_char_property (Lisp_Object plist, register Lisp_Object prop, int textprop
 /* Set point in BUFFER "temporarily" to CHARPOS, which corresponds to
    byte position BYTEPOS.  */
 
-INLINE void
+inline void
 temp_set_point_both (struct buffer *buffer,
 		     EMACS_INT charpos, EMACS_INT bytepos)
 {
@@ -1903,7 +1903,7 @@ temp_set_point_both (struct buffer *buffer,
 
 /* Set point "temporarily", without checking any text properties.  */
 
-INLINE void
+inline void
 temp_set_point (struct buffer *buffer, EMACS_INT charpos)
 {
   temp_set_point_both (buffer, charpos,
@@ -2392,7 +2392,7 @@ copy_intervals (INTERVAL tree, EMACS_INT start, EMACS_INT length)
 
 /* Give STRING the properties of BUFFER from POSITION to LENGTH.  */
 
-INLINE void
+inline void
 copy_intervals_to_string (Lisp_Object string, struct buffer *buffer,
 			  EMACS_INT position, EMACS_INT length)
 {
diff --git a/src/keyboard.c b/src/keyboard.c
index c471a91ebfb..7bc406aab31 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -3742,7 +3742,7 @@ kbd_buffer_events_waiting (int discard)
 
 /* Clear input event EVENT.  */
 
-static INLINE void
+static inline void
 clear_event (struct input_event *event)
 {
   event->kind = NO_EVENT;
diff --git a/src/lisp.h b/src/lisp.h
index 6618a754145..32d6b44d76a 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -317,7 +317,7 @@ Lisp_Object;
 #endif /* WORDS_BIGENDIAN */
 
 #ifdef __GNUC__
-static __inline__ Lisp_Object
+static inline Lisp_Object
 LISP_MAKE_RVALUE (Lisp_Object o)
 {
     return o;
diff --git a/src/process.c b/src/process.c
index 8a94b3e6047..51deb1c933f 100644
--- a/src/process.c
+++ b/src/process.c
@@ -4162,7 +4162,7 @@ wait_reading_process_output_1 (void)
    impossible to step through wait_reading_process_output.  */
 
 #ifndef select
-static INLINE int
+static inline int
 select_wrapper (int n, fd_set *rfd, fd_set *wfd, fd_set *xfd, struct timeval *tmo)
 {
   return select (n, rfd, wfd, xfd, tmo);
diff --git a/src/syntax.c b/src/syntax.c
index cff6d50f510..82103cfa3d4 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -367,7 +367,7 @@ char_quoted (EMACS_INT charpos, EMACS_INT bytepos)
 /* Return the bytepos one character before BYTEPOS.
    We assume that BYTEPOS is not at the start of the buffer.  */
 
-static INLINE EMACS_INT
+static inline EMACS_INT
 dec_bytepos (EMACS_INT bytepos)
 {
   if (NILP (BVAR (current_buffer, enable_multibyte_characters)))
diff --git a/src/textprop.c b/src/textprop.c
index 566b2962a63..350892cdad6 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -248,7 +248,7 @@ interval_has_all_properties (Lisp_Object plist, INTERVAL i)
 /* Return nonzero if the plist of interval I has any of the
    properties of PLIST, regardless of their values.  */
 
-static INLINE int
+static inline int
 interval_has_some_properties (Lisp_Object plist, INTERVAL i)
 {
   register Lisp_Object tail1, tail2, sym;
@@ -270,7 +270,7 @@ interval_has_some_properties (Lisp_Object plist, INTERVAL i)
 /* Return nonzero if the plist of interval I has any of the
    property names in LIST, regardless of their values.  */
 
-static INLINE int
+static inline int
 interval_has_some_properties_list (Lisp_Object list, INTERVAL i)
 {
   register Lisp_Object tail1, tail2, sym;
@@ -499,7 +499,7 @@ remove_properties (Lisp_Object plist, Lisp_Object list, INTERVAL i, Lisp_Object
 /* Remove all properties from interval I.  Return non-zero
    if this changes the interval.  */
 
-static INLINE int
+static inline int
 erase_properties (INTERVAL i)
 {
   if (NILP (i->plist))
diff --git a/src/w32term.c b/src/w32term.c
index d22aee6dc76..b7c0d61b633 100644
--- a/src/w32term.c
+++ b/src/w32term.c
@@ -1002,7 +1002,7 @@ x_set_mouse_face_gc (struct glyph_string *s)
    Faces to use in the mode line have already been computed when the
    matrix was built, so there isn't much to do, here.  */
 
-static INLINE void
+static inline void
 x_set_mode_line_face_gc (struct glyph_string *s)
 {
   s->gc = s->face->gc;
@@ -1013,7 +1013,7 @@ x_set_mode_line_face_gc (struct glyph_string *s)
    S->stippled_p to a non-zero value if the face of S has a stipple
    pattern.  */
 
-static INLINE void
+static inline void
 x_set_glyph_string_gc (struct glyph_string *s)
 {
   PREPARE_FACE_FOR_DISPLAY (s->f, s->face);
@@ -1058,7 +1058,7 @@ x_set_glyph_string_gc (struct glyph_string *s)
 /* Set clipping for output of glyph string S.  S may be part of a mode
    line or menu if we don't have X toolkit support.  */
 
-static INLINE void
+static inline void
 x_set_glyph_string_clipping (struct glyph_string *s)
 {
   RECT *r = s->clip;
@@ -1128,7 +1128,7 @@ w32_compute_glyph_string_overhangs (struct glyph_string *s)
 
 /* Fill rectangle X, Y, W, H with background color of glyph string S.  */
 
-static INLINE void
+static inline void
 x_clear_glyph_string_rect (struct glyph_string *s,
 			   int x, int y, int w, int h)
 {
diff --git a/src/xdisp.c b/src/xdisp.c
index c1ed3d9cdae..d67cc63be79 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -926,7 +926,7 @@ static int coords_in_mouse_face_p (struct window *, int, int);
 
    This is the height of W minus the height of a mode line, if any.  */
 
-INLINE int
+inline int
 window_text_bottom_y (struct window *w)
 {
   int height = WINDOW_TOTAL_HEIGHT (w);
@@ -940,7 +940,7 @@ window_text_bottom_y (struct window *w)
    means return the total width of W, not including fringes to
    the left and right of the window.  */
 
-INLINE int
+inline int
 window_box_width (struct window *w, int area)
 {
   int cols = XFASTINT (w->total_cols);
@@ -979,7 +979,7 @@ window_box_width (struct window *w, int area)
 /* Return the pixel height of the display area of window W, not
    including mode lines of W, if any.  */
 
-INLINE int
+inline int
 window_box_height (struct window *w)
 {
   struct frame *f = XFRAME (w->frame);
@@ -1026,7 +1026,7 @@ window_box_height (struct window *w)
    area AREA of window W.  AREA < 0 means return the left edge of the
    whole window, to the right of the left fringe of W.  */
 
-INLINE int
+inline int
 window_box_left_offset (struct window *w, int area)
 {
   int x;
@@ -1058,7 +1058,7 @@ window_box_left_offset (struct window *w, int area)
    area AREA of window W.  AREA < 0 means return the right edge of the
    whole window, to the left of the right fringe of W.  */
 
-INLINE int
+inline int
 window_box_right_offset (struct window *w, int area)
 {
   return window_box_left_offset (w, area) + window_box_width (w, area);
@@ -1068,7 +1068,7 @@ window_box_right_offset (struct window *w, int area)
    area AREA of window W.  AREA < 0 means return the left edge of the
    whole window, to the right of the left fringe of W.  */
 
-INLINE int
+inline int
 window_box_left (struct window *w, int area)
 {
   struct frame *f = XFRAME (w->frame);
@@ -1088,7 +1088,7 @@ window_box_left (struct window *w, int area)
    area AREA of window W.  AREA < 0 means return the right edge of the
    whole window, to the left of the right fringe of W.  */
 
-INLINE int
+inline int
 window_box_right (struct window *w, int area)
 {
   return window_box_left (w, area) + window_box_width (w, area);
@@ -1101,7 +1101,7 @@ window_box_right (struct window *w, int area)
    coordinates of the upper-left corner of the box.  Return in
    *BOX_WIDTH, and *BOX_HEIGHT the pixel width and height of the box.  */
 
-INLINE void
+inline void
 window_box (struct window *w, int area, int *box_x, int *box_y,
 	    int *box_width, int *box_height)
 {
@@ -1128,7 +1128,7 @@ window_box (struct window *w, int area, int *box_x, int *box_y,
    *BOTTOM_RIGHT_Y the coordinates of the bottom-right corner of the
    box.  */
 
-static INLINE void
+static inline void
 window_box_edges (struct window *w, int area, int *top_left_x, int *top_left_y,
 		   int *bottom_right_x, int *bottom_right_y)
 {
@@ -1328,7 +1328,7 @@ pos_visible_p (struct window *w, EMACS_INT charpos, int *x, int *y,
    returns an invalid character.  If we find one, we return a `?', but
    with the length of the invalid character.  */
 
-static INLINE int
+static inline int
 string_char_and_length (const unsigned char *str, int *len)
 {
   int c;
@@ -1376,7 +1376,7 @@ string_pos_nchars_ahead (struct text_pos pos, Lisp_Object string, EMACS_INT ncha
 /* Value is the text position, i.e. character and byte position,
    for character position CHARPOS in STRING.  */
 
-static INLINE struct text_pos
+static inline struct text_pos
 string_pos (EMACS_INT charpos, Lisp_Object string)
 {
   struct text_pos pos;
@@ -11061,7 +11061,7 @@ debug_method_add (w, fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9)
    buffer position, END is given as a distance from Z.  Used in
    redisplay_internal for display optimization.  */
 
-static INLINE int
+static inline int
 text_outside_line_unchanged_p (struct window *w,
 			       EMACS_INT start, EMACS_INT end)
 {
@@ -11322,7 +11322,7 @@ check_point_in_composition (struct buffer *prev_buf, EMACS_INT prev_pt,
 /* Reconsider the setting of B->clip_changed which is displayed
    in window W.  */
 
-static INLINE void
+static inline void
 reconsider_clip_changes (struct window *w, struct buffer *b)
 {
   if (b->clip_changed
@@ -12883,7 +12883,7 @@ set_cursor_from_row (struct window *w, struct glyph_row *row,
 
    We assume that the window's buffer is really current.  */
 
-static INLINE struct text_pos
+static inline struct text_pos
 run_window_scroll_functions (Lisp_Object window, struct text_pos startp)
 {
   struct window *w = XWINDOW (window);
@@ -20417,7 +20417,7 @@ init_glyph_string (struct glyph_string *s,
 /* Append the list of glyph strings with head H and tail T to the list
    with head *HEAD and tail *TAIL.  Set *HEAD and *TAIL to the result.  */
 
-static INLINE void
+static inline void
 append_glyph_string_lists (struct glyph_string **head, struct glyph_string **tail,
 			   struct glyph_string *h, struct glyph_string *t)
 {
@@ -20437,7 +20437,7 @@ append_glyph_string_lists (struct glyph_string **head, struct glyph_string **tai
    list with head *HEAD and tail *TAIL.  Set *HEAD and *TAIL to the
    result.  */
 
-static INLINE void
+static inline void
 prepend_glyph_string_lists (struct glyph_string **head, struct glyph_string **tail,
 			    struct glyph_string *h, struct glyph_string *t)
 {
@@ -20456,7 +20456,7 @@ prepend_glyph_string_lists (struct glyph_string **head, struct glyph_string **ta
 /* Append glyph string S to the list with head *HEAD and tail *TAIL.
    Set *HEAD and *TAIL to the resulting list.  */
 
-static INLINE void
+static inline void
 append_glyph_string (struct glyph_string **head, struct glyph_string **tail,
 		     struct glyph_string *s)
 {
@@ -20471,7 +20471,7 @@ append_glyph_string (struct glyph_string **head, struct glyph_string **tail,
    Value is a pointer to a realized face that is ready for display if
    DISPLAY_P is non-zero.  */
 
-static INLINE struct face *
+static inline struct face *
 get_char_face_and_encoding (struct frame *f, int c, int face_id,
 			    XChar2b *char2b, int display_p)
 {
@@ -20504,7 +20504,7 @@ get_char_face_and_encoding (struct frame *f, int c, int face_id,
    The encoding of GLYPH->u.ch is returned in *CHAR2B.  Value is
    a pointer to a realized face that is ready for display.  */
 
-static INLINE struct face *
+static inline struct face *
 get_glyph_face_and_encoding (struct frame *f, struct glyph *glyph,
 			     XChar2b *char2b, int *two_byte_p)
 {
@@ -20541,7 +20541,7 @@ get_glyph_face_and_encoding (struct frame *f, struct glyph *glyph,
 /* Get glyph code of character C in FONT in the two-byte form CHAR2B.
    Retunr 1 if FONT has a glyph for C, otherwise return 0.  */
 
-static INLINE int
+static inline int
 get_char_glyph_code (int c, struct font *font, XChar2b *char2b)
 {
   unsigned code;
@@ -21005,7 +21005,7 @@ right_overwriting (struct glyph_string *s)
    first glyph following S.  LAST_X is the right-most x-position + 1
    in the drawing area.  */
 
-static INLINE void
+static inline void
 set_glyph_string_background_width (struct glyph_string *s, int start, int last_x)
 {
   /* If the face of this glyph string has to be drawn to the end of
@@ -21567,7 +21567,7 @@ draw_glyphs (struct window *w, int x, struct glyph_row *row,
 /* Store one glyph for IT->char_to_display in IT->glyph_row.
    Called from x_produce_glyphs when IT->glyph_row is non-null.  */
 
-static INLINE void
+static inline void
 append_glyph (struct it *it)
 {
   struct glyph *glyph;
@@ -21641,7 +21641,7 @@ append_glyph (struct it *it)
    IT->glyph_row.  Called from x_produce_glyphs when IT->glyph_row is
    non-null.  */
 
-static INLINE void
+static inline void
 append_composite_glyph (struct it *it)
 {
   struct glyph *glyph;
@@ -21710,7 +21710,7 @@ append_composite_glyph (struct it *it)
 /* Change IT->ascent and IT->height according to the setting of
    IT->voffset.  */
 
-static INLINE void
+static inline void
 take_vertical_position_into_account (struct it *it)
 {
   if (it->voffset)
diff --git a/src/xfaces.c b/src/xfaces.c
index a26289e8a88..b14710245b1 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -646,7 +646,7 @@ x_free_dpy_colors (Display *dpy, Screen *screen, Colormap cmap, long unsigned in
 /* Create and return a GC for use on frame F.  GC values and mask
    are given by XGCV and MASK.  */
 
-static INLINE GC
+static inline GC
 x_create_gc (struct frame *f, long unsigned int mask, XGCValues *xgcv)
 {
   GC gc;
@@ -660,7 +660,7 @@ x_create_gc (struct frame *f, long unsigned int mask, XGCValues *xgcv)
 
 /* Free GC which was used on frame F.  */
 
-static INLINE void
+static inline void
 x_free_gc (struct frame *f, GC gc)
 {
   eassert (interrupt_input_blocked);
@@ -673,7 +673,7 @@ x_free_gc (struct frame *f, GC gc)
 #ifdef WINDOWSNT
 /* W32 emulation of GCs */
 
-static INLINE GC
+static inline GC
 x_create_gc (struct frame *f, unsigned long mask, XGCValues *xgcv)
 {
   GC gc;
@@ -687,7 +687,7 @@ x_create_gc (struct frame *f, unsigned long mask, XGCValues *xgcv)
 
 /* Free GC which was used on frame F.  */
 
-static INLINE void
+static inline void
 x_free_gc (struct frame *f, GC gc)
 {
   IF_DEBUG (xassert (--ngcs >= 0));
@@ -699,7 +699,7 @@ x_free_gc (struct frame *f, GC gc)
 #ifdef HAVE_NS
 /* NS emulation of GCs */
 
-static INLINE GC
+static inline GC
 x_create_gc (struct frame *f,
              unsigned long mask,
              XGCValues *xgcv)
@@ -710,7 +710,7 @@ x_create_gc (struct frame *f,
   return gc;
 }
 
-static INLINE void
+static inline void
 x_free_gc (struct frame *f, GC gc)
 {
   xfree (gc);
@@ -746,7 +746,7 @@ xstrcasecmp (const char *s1, const char *s2)
    CHECK_LIVE_FRAME.  This is here because it's a frequent pattern in
    Lisp function definitions.  */
 
-static INLINE struct frame *
+static inline struct frame *
 frame_or_selected_frame (Lisp_Object frame, int nparam)
 {
   if (NILP (frame))
@@ -1976,7 +1976,7 @@ struct named_merge_point
    FACE_NAME and NAMED_MERGE_POINT_KIND, as the head of the linked list
    pointed to by NAMED_MERGE_POINTS, and return 1.  */
 
-static INLINE int
+static inline int
 push_named_merge_point (struct named_merge_point *new_named_merge_point,
 			Lisp_Object face_name,
 			enum named_merge_point_kind named_merge_point_kind,
@@ -2078,7 +2078,7 @@ resolve_face_name (Lisp_Object face_name, int signal_p)
    face text properties; Ediff uses that).  If SIGNAL_P is non-zero,
    signal an error if FACE_NAME is not a valid face name.  If SIGNAL_P
    is zero, value is nil if FACE_NAME is not a valid face name.  */
-static INLINE Lisp_Object
+static inline Lisp_Object
 lface_from_face_name_no_resolve (struct frame *f, Lisp_Object face_name, int signal_p)
 {
   Lisp_Object lface;
@@ -2106,7 +2106,7 @@ lface_from_face_name_no_resolve (struct frame *f, Lisp_Object face_name, int sig
    non-zero, signal an error if FACE_NAME is not a valid face name.
    If SIGNAL_P is zero, value is nil if FACE_NAME is not a valid face
    name.  */
-static INLINE Lisp_Object
+static inline Lisp_Object
 lface_from_face_name (struct frame *f, Lisp_Object face_name, int signal_p)
 {
   face_name = resolve_face_name (face_name, signal_p);
@@ -2120,7 +2120,7 @@ lface_from_face_name (struct frame *f, Lisp_Object face_name, int signal_p)
    is non-zero, signal an error if FACE_NAME does not name a face.
    Otherwise, value is zero if FACE_NAME is not a face.  */
 
-static INLINE int
+static inline int
 get_lface_attributes_no_remap (struct frame *f, Lisp_Object face_name, Lisp_Object *attrs, int signal_p)
 {
   Lisp_Object lface;
@@ -2141,7 +2141,7 @@ get_lface_attributes_no_remap (struct frame *f, Lisp_Object face_name, Lisp_Obje
    non-zero, signal an error if FACE_NAME does not name a face.
    Otherwise, value is zero if FACE_NAME is not a face.  */
 
-static INLINE int
+static inline int
 get_lface_attributes (struct frame *f, Lisp_Object face_name, Lisp_Object *attrs, int signal_p, struct named_merge_point *named_merge_points)
 {
   Lisp_Object face_remapping;
@@ -2307,7 +2307,7 @@ merge_face_heights (Lisp_Object from, Lisp_Object to, Lisp_Object invalid)
    loops in face inheritance/remapping; it should be 0 when called from
    other places.  */
 
-static INLINE void
+static inline void
 merge_face_vectors (struct frame *f, Lisp_Object *from, Lisp_Object *to, struct named_merge_point *named_merge_points)
 {
   int i;
@@ -3903,7 +3903,7 @@ return the font name used for CHARACTER.  */)
    all attributes are `equal'.  Tries to be fast because this function
    is called quite often.  */
 
-static INLINE int
+static inline int
 face_attr_equal_p (Lisp_Object v1, Lisp_Object v2)
 {
   /* Type can differ, e.g. when one attribute is unspecified, i.e. nil,
@@ -3936,7 +3936,7 @@ face_attr_equal_p (Lisp_Object v1, Lisp_Object v2)
    all attributes are `equal'.  Tries to be fast because this function
    is called quite often.  */
 
-static INLINE int
+static inline int
 lface_equal_p (Lisp_Object *v1, Lisp_Object *v2)
 {
   int i, equal_p = 1;
@@ -4021,7 +4021,7 @@ For internal use only.  */)
 /* Return a hash code for Lisp string STRING with case ignored.  Used
    below in computing a hash value for a Lisp face.  */
 
-static INLINE unsigned
+static inline unsigned
 hash_string_case_insensitive (Lisp_Object string)
 {
   const unsigned char *s;
@@ -4035,7 +4035,7 @@ hash_string_case_insensitive (Lisp_Object string)
 
 /* Return a hash code for face attribute vector V.  */
 
-static INLINE unsigned
+static inline unsigned
 lface_hash (Lisp_Object *v)
 {
   return (hash_string_case_insensitive (v[LFACE_FAMILY_INDEX])
@@ -4054,7 +4054,7 @@ lface_hash (Lisp_Object *v)
    family, point size, weight, width, slant, and font.  Both
    LFACE1 and LFACE2 must be fully-specified.  */
 
-static INLINE int
+static inline int
 lface_same_font_attributes_p (Lisp_Object *lface1, Lisp_Object *lface2)
 {
   xassert (lface_fully_specified_p (lface1)
@@ -4460,7 +4460,7 @@ uncache_face (struct face_cache *c, struct face *face)
    Value is the ID of the face found.  If no suitable face is found,
    realize a new one.  */
 
-static INLINE int
+static inline int
 lookup_face (struct frame *f, Lisp_Object *attr)
 {
   struct face_cache *cache = FRAME_FACE_CACHE (f);
diff --git a/src/xterm.c b/src/xterm.c
index 3b8112d972b..0923bbb717a 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -1010,7 +1010,7 @@ x_set_mouse_face_gc (struct glyph_string *s)
    Faces to use in the mode line have already been computed when the
    matrix was built, so there isn't much to do, here.  */
 
-static INLINE void
+static inline void
 x_set_mode_line_face_gc (struct glyph_string *s)
 {
   s->gc = s->face->gc;
@@ -1021,7 +1021,7 @@ x_set_mode_line_face_gc (struct glyph_string *s)
    S->stippled_p to a non-zero value if the face of S has a stipple
    pattern.  */
 
-static INLINE void
+static inline void
 x_set_glyph_string_gc (struct glyph_string *s)
 {
   PREPARE_FACE_FOR_DISPLAY (s->f, s->face);
@@ -1066,7 +1066,7 @@ x_set_glyph_string_gc (struct glyph_string *s)
 /* Set clipping for output of glyph string S.  S may be part of a mode
    line or menu if we don't have X toolkit support.  */
 
-static INLINE void
+static inline void
 x_set_glyph_string_clipping (struct glyph_string *s)
 {
   XRectangle *r = s->clip;
@@ -1139,7 +1139,7 @@ x_compute_glyph_string_overhangs (struct glyph_string *s)
 
 /* Fill rectangle X, Y, W, H with background color of glyph string S.  */
 
-static INLINE void
+static inline void
 x_clear_glyph_string_rect (struct glyph_string *s, int x, int y, int w, int h)
 {
   XGCValues xgcv;