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authorPaul Eggert <eggert@cs.ucla.edu>2015-10-16 14:54:09 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2015-10-16 14:56:11 -0700
commit55ba8c022b493b494bea257e4f523758154e0fdd (patch)
tree3e65647197e08099f62815c99cf2bcffa4444b77
parent1e1a326c0f609f403c625bd9082e1099a4d9a52a (diff)
Make src headers idempotent and standalone
Redo src/*.h so that each include file is idempotent (that is, can be included multiple times with the latter inclusions having no effect) and standalone (that is, can be included by itself, with no include file other than config.h needed as a prerequisite). This is standard practice in GNU programs nowadays. * lwlib/lwlib-widget.h, src/buffer.h, src/category.h, src/character.h: * src/charset.h, src/coding.h, src/commands.h, src/disptab.h: * src/fontset.h, src/gnutls.h, src/indent.h, src/keymap.h, src/macros.h: * src/regex.h [emacs]: * src/syntax.h, src/systty.h, src/termhooks.h: Include lisp.h, for Lisp_Object. * src/buffer.h, src/category.h, src/cm.h, src/commands.h, src/disptab.h: * src/indent.h, src/intervals.h, src/keyboard.h, src/macros.h: * src/process.h, src/puresize.h, src/region-cache.h, src/syntax.h: * src/syssignal.h, src/sysstdio.h, src/systty.h, src/termchar.h: * src/termopts.h, src/tparam.h, src/unexec.h: Protect against multiple inclusion. * src/buffer.h: Include character.h, for STRING_CHAR. * src/emacsgtkfixed.h (struct frame): * src/fontset.h (struct face): * src/region-cache.h (struct buffer): * src/termhooks.h (struct glyph): * src/xsettings.h (struct x_display_info): Add possibly-forward decl. * src/syntax.h: Include buffer.h, for BVAR. * src/sysselect.h: Include lisp.h, for eassume. * src/termchar.h: Include <stdio.h>, for FILE. * src/widget.h: Include <X11/IntrinsicP.h>, for Widget. * src/xsettings.h: Include <X11/Xlib.h>, for XEvent.
-rw-r--r--lwlib/lwlib-widget.h4
-rw-r--r--src/buffer.h8
-rw-r--r--src/category.h6
-rw-r--r--src/character.h1
-rw-r--r--src/charset.h1
-rw-r--r--src/cm.h5
-rw-r--r--src/coding.h2
-rw-r--r--src/commands.h6
-rw-r--r--src/disptab.h7
-rw-r--r--src/emacsgtkfixed.h2
-rw-r--r--src/fontset.h4
-rw-r--r--src/gnutls.h2
-rw-r--r--src/indent.h7
-rw-r--r--src/intervals.h5
-rw-r--r--src/keyboard.h5
-rw-r--r--src/keymap.h2
-rw-r--r--src/macros.h6
-rw-r--r--src/process.h5
-rw-r--r--src/puresize.h7
-rw-r--r--src/regex.h1
-rw-r--r--src/region-cache.h5
-rw-r--r--src/syntax.h8
-rw-r--r--src/sysselect.h2
-rw-r--r--src/syssignal.h5
-rw-r--r--src/sysstdio.h5
-rw-r--r--src/systty.h7
-rw-r--r--src/termchar.h6
-rw-r--r--src/termhooks.h3
-rw-r--r--src/termopts.h4
-rw-r--r--src/tparam.h4
-rw-r--r--src/unexec.h3
-rw-r--r--src/widget.h2
-rw-r--r--src/xsettings.h4
33 files changed, 143 insertions, 1 deletions
diff --git a/lwlib/lwlib-widget.h b/lwlib/lwlib-widget.h
index 92ae7e61a6..6ec6d272c3 100644
--- a/lwlib/lwlib-widget.h
+++ b/lwlib/lwlib-widget.h
@@ -23,6 +23,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef LWLIB_WIDGET_H
#define LWLIB_WIDGET_H
+#include "../src/lisp.h"
+
typedef enum
{
NO_CHANGE = 0,
@@ -96,7 +98,7 @@ typedef struct _widget_value
/* Whether we should free the toolkit data slot when freeing the
widget_value itself. */
bool free_toolkit_data;
-#endif
+#endif
} widget_value;
diff --git a/src/buffer.h b/src/buffer.h
index a0410d454c..f80530a0cd 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -18,9 +18,15 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_BUFFER_H
+#define EMACS_BUFFER_H
+
#include <sys/types.h>
#include <time.h>
+#include "character.h"
+#include "lisp.h"
+
INLINE_HEADER_BEGIN
/* Accessing the parameters of the current buffer. */
@@ -1377,3 +1383,5 @@ lowercasep (int c)
INLINE int upcase (int c) { return uppercasep (c) ? c : upcase1 (c); }
INLINE_HEADER_END
+
+#endif /* EMACS_BUFFER_H */
diff --git a/src/category.h b/src/category.h
index ef784c8cbf..02f9a193ae 100644
--- a/src/category.h
+++ b/src/category.h
@@ -22,6 +22,8 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_CATEGORY_H
+#define EMACS_CATEGORY_H
/* We introduce here three types of object: category, category set,
and category table.
@@ -53,6 +55,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
The second extra slot is a version number of the category table.
But, for the moment, we are not using this slot. */
+#include "lisp.h"
+
INLINE_HEADER_BEGIN
#define CATEGORYP(x) RANGED_INTEGERP (0x20, x, 0x7E)
@@ -116,3 +120,5 @@ CHAR_HAS_CATEGORY (int ch, int category)
extern bool word_boundary_p (int, int);
INLINE_HEADER_END
+
+#endif /* EMACS_CATEGORY_H */
diff --git a/src/character.h b/src/character.h
index 67d4bca4a2..871c1c3de9 100644
--- a/src/character.h
+++ b/src/character.h
@@ -24,6 +24,7 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#define EMACS_CHARACTER_H
#include <verify.h>
+#include "lisp.h"
INLINE_HEADER_BEGIN
diff --git a/src/charset.h b/src/charset.h
index f6575985a4..d2daf2b7e2 100644
--- a/src/charset.h
+++ b/src/charset.h
@@ -28,6 +28,7 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#define EMACS_CHARSET_H
#include <verify.h>
+#include "lisp.h"
INLINE_HEADER_BEGIN
diff --git a/src/cm.h b/src/cm.h
index 829abc083f..1ade6d1782 100644
--- a/src/cm.h
+++ b/src/cm.h
@@ -16,6 +16,9 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_CM_H
+#define EMACS_CM_H
+
/* Holds the minimum and maximum costs for the parameterized capabilities. */
struct parmcap
{
@@ -166,3 +169,5 @@ extern void cmcostinit (struct tty_display_info *);
extern void cmgoto (struct tty_display_info *, int, int);
extern void Wcm_clear (struct tty_display_info *);
extern int Wcm_init (struct tty_display_info *);
+
+#endif /* EMACS_CM_H */
diff --git a/src/coding.h b/src/coding.h
index c73a9cc326..2bf51c4888 100644
--- a/src/coding.h
+++ b/src/coding.h
@@ -26,6 +26,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef EMACS_CODING_H
#define EMACS_CODING_H
+#include "lisp.h"
+
/* Index to arguments of Fdefine_coding_system_internal. */
enum define_coding_system_arg_index
diff --git a/src/commands.h b/src/commands.h
index 19cd2e4989..e9383341cc 100644
--- a/src/commands.h
+++ b/src/commands.h
@@ -16,6 +16,10 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_COMMANDS_H
+#define EMACS_COMMANDS_H
+
+#include "lisp.h"
#define Ctl(c) ((c)&037)
@@ -39,3 +43,5 @@ extern Lisp_Object unread_switch_frame;
/* Nonzero if input is coming from the keyboard. */
#define INTERACTIVE (NILP (Vexecuting_kbd_macro) && !noninteractive)
+
+#endif /* EMACS_COMMANDS_H */
diff --git a/src/disptab.h b/src/disptab.h
index 7afc862312..3a319c4d21 100644
--- a/src/disptab.h
+++ b/src/disptab.h
@@ -18,6 +18,11 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
/* Access the slots of a display-table, according to their purpose. */
+#ifndef EMACS_DISPTAB_H
+#define EMACS_DISPTAB_H
+
+#include "lisp.h"
+
#define DISP_TABLE_P(obj) \
(CHAR_TABLE_P (obj) \
&& EQ (XCHAR_TABLE (obj)->purpose, Qdisplay_table) \
@@ -92,3 +97,5 @@ extern struct Lisp_Char_Table *buffer_display_table (void);
#define SET_GLYPH_FROM_CHAR(glyph, c) \
SET_GLYPH (glyph, c, DEFAULT_FACE_ID)
+
+#endif /* EMACS_DISPTAB_H */
diff --git a/src/emacsgtkfixed.h b/src/emacsgtkfixed.h
index bcf1cd9072..a969a6d265 100644
--- a/src/emacsgtkfixed.h
+++ b/src/emacsgtkfixed.h
@@ -23,6 +23,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <gtk/gtk.h>
+struct frame;
+
G_BEGIN_DECLS
extern GtkWidget *emacs_fixed_new (struct frame *f);
diff --git a/src/fontset.h b/src/fontset.h
index 610394431e..aa69051fc0 100644
--- a/src/fontset.h
+++ b/src/fontset.h
@@ -26,6 +26,10 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef EMACS_FONTSET_H
#define EMACS_FONTSET_H
+#include "lisp.h"
+
+struct face;
+
extern void free_face_fontset (struct frame *, struct face *);
extern int face_for_char (struct frame *, struct face *, int,
ptrdiff_t, Lisp_Object);
diff --git a/src/gnutls.h b/src/gnutls.h
index fd696820ae..9c804b8bd5 100644
--- a/src/gnutls.h
+++ b/src/gnutls.h
@@ -23,6 +23,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
+#include "lisp.h"
+
/* This limits the attempts to handshake per process (connection). */
#define GNUTLS_EMACS_HANDSHAKES_LIMIT 100
diff --git a/src/indent.h b/src/indent.h
index cece9e4f33..037fd74452 100644
--- a/src/indent.h
+++ b/src/indent.h
@@ -16,6 +16,11 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_INDENT_H
+#define EMACS_INDENT_H
+
+#include "lisp.h"
+
struct position
{
ptrdiff_t bufpos;
@@ -51,3 +56,5 @@ bool disptab_matches_widthtab (struct Lisp_Char_Table *disptab,
/* Recompute BUF's width table, using the display table DISPTAB. */
void recompute_width_table (struct buffer *buf,
struct Lisp_Char_Table *disptab);
+
+#endif /* EMACS_INDENT_H */
diff --git a/src/intervals.h b/src/intervals.h
index 30fb4b10b0..5a7829de93 100644
--- a/src/intervals.h
+++ b/src/intervals.h
@@ -16,6 +16,9 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_INTERVALS_H
+#define EMACS_INTERVALS_H
+
#include "dispextern.h"
INLINE_HEADER_BEGIN
@@ -295,3 +298,5 @@ extern void syms_of_textprop (void);
#include "composite.h"
INLINE_HEADER_END
+
+#endif /* EMACS_INTERVALS_H */
diff --git a/src/keyboard.h b/src/keyboard.h
index 0402e0a582..67afc3bc2b 100644
--- a/src/keyboard.h
+++ b/src/keyboard.h
@@ -17,6 +17,9 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_KEYBOARD_H
+#define EMACS_KEYBOARD_H
+
#include "systime.h" /* for struct timespec, Time */
#include "coding.h" /* for ENCODE_UTF_8 and ENCODE_SYSTEM */
#include "termhooks.h"
@@ -483,3 +486,5 @@ extern const char *const lispy_function_keys[];
#endif
INLINE_HEADER_END
+
+#endif /* EMACS_KEYBOARD_H */
diff --git a/src/keymap.h b/src/keymap.h
index 215dd3f289..e7a3b0a243 100644
--- a/src/keymap.h
+++ b/src/keymap.h
@@ -19,6 +19,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef KEYMAP_H
#define KEYMAP_H
+#include "lisp.h"
+
/* The maximum byte size consumed by push_key_description.
All callers should assure that at least this size of memory is
allocated at the place pointed by the second argument.
diff --git a/src/macros.h b/src/macros.h
index eab8041e72..46150ad73a 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -16,6 +16,10 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_MACROS_H
+#define EMACS_MACROS_H
+
+#include "lisp.h"
/* Number of successful iterations so far
for innermost keyboard macro.
@@ -42,3 +46,5 @@ extern void finalize_kbd_macro_chars (void);
/* Store a character into kbd macro being defined */
extern void store_kbd_macro_char (Lisp_Object);
+
+#endif /* EMACS_MACROS_H */
diff --git a/src/process.h b/src/process.h
index 24bad45a24..9ee5a05ebd 100644
--- a/src/process.h
+++ b/src/process.h
@@ -16,6 +16,9 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_PROCESS_H
+#define EMACS_PROCESS_H
+
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
@@ -243,3 +246,5 @@ extern Lisp_Object network_interface_info (Lisp_Object);
extern Lisp_Object remove_slash_colon (Lisp_Object);
INLINE_HEADER_END
+
+#endif /* EMACS_PROCESS_H */
diff --git a/src/puresize.h b/src/puresize.h
index c61b31f2bd..f07562429d 100644
--- a/src/puresize.h
+++ b/src/puresize.h
@@ -16,6 +16,11 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_PURESIZE_H
+#define EMACS_PURESIZE_H
+
+#include "lisp.h"
+
INLINE_HEADER_BEGIN
/* Define PURESIZE, the number of bytes of pure Lisp code to leave space for.
@@ -92,3 +97,5 @@ CHECK_IMPURE (Lisp_Object obj, void *ptr)
}
INLINE_HEADER_END
+
+#endif /* EMACS_PURESIZE_H */
diff --git a/src/regex.h b/src/regex.h
index c89ca46d4b..eaa7729a5f 100644
--- a/src/regex.h
+++ b/src/regex.h
@@ -167,6 +167,7 @@ typedef unsigned long reg_syntax_t;
extern reg_syntax_t re_syntax_options;
#ifdef emacs
+# include "lisp.h"
/* In Emacs, this is the string or buffer in which we
are matching. It is used for looking up syntax properties. */
extern Lisp_Object re_match_object;
diff --git a/src/region-cache.h b/src/region-cache.h
index 1f336cebaf..2814df47c2 100644
--- a/src/region-cache.h
+++ b/src/region-cache.h
@@ -18,6 +18,8 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_REGION_CACHE_H
+#define EMACS_REGION_CACHE_H
/* This code was written by Jim Blandy <jimb@cs.oberlin.edu> to help
GNU Emacs better support the gene editor written for the University
@@ -60,6 +62,7 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
this region has property P" vs. "I don't know if this region has
property P or not." */
+struct buffer;
/* Allocate, initialize and return a new, empty region cache. */
struct region_cache *new_region_cache (void);
@@ -105,3 +108,5 @@ extern int region_cache_forward (struct buffer *buf, struct region_cache *c,
/* Likewise, except before POS rather than after POS. */
extern int region_cache_backward (struct buffer *buf, struct region_cache *c,
ptrdiff_t pos, ptrdiff_t *next);
+
+#endif /* EMACS_REGION_CACHE_H */
diff --git a/src/syntax.h b/src/syntax.h
index 34b652ba9c..06ce0ec55d 100644
--- a/src/syntax.h
+++ b/src/syntax.h
@@ -18,6 +18,12 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_SYNTAX_H
+#define EMACS_SYNTAX_H
+
+#include "buffer.h"
+#include "lisp.h"
+
INLINE_HEADER_BEGIN
extern void update_syntax_table (ptrdiff_t, EMACS_INT, bool, Lisp_Object);
@@ -213,3 +219,5 @@ extern ptrdiff_t scan_words (ptrdiff_t, EMACS_INT);
extern void SETUP_SYNTAX_TABLE_FOR_OBJECT (Lisp_Object, ptrdiff_t, ptrdiff_t);
INLINE_HEADER_END
+
+#endif /* EMACS_SYNTAX_H */
diff --git a/src/sysselect.h b/src/sysselect.h
index 54f90fb396..d6c5d1c714 100644
--- a/src/sysselect.h
+++ b/src/sysselect.h
@@ -23,6 +23,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <sys/select.h>
#endif
+#include "lisp.h"
+
/* The w32 build defines select stuff in w32.h, which is included
where w32 needs it, but not where sysselect.h is included. The w32
definitions in w32.h are incompatible with the below. */
diff --git a/src/syssignal.h b/src/syssignal.h
index 5c14479cca..ec6099408c 100644
--- a/src/syssignal.h
+++ b/src/syssignal.h
@@ -17,6 +17,9 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_SYSSIGNAL_H
+#define EMACS_SYSSIGNAL_H
+
#include <signal.h>
extern void init_signals (bool);
@@ -72,3 +75,5 @@ char const *safe_strsignal (int) ATTRIBUTE_CONST;
#endif
void deliver_process_signal (int, signal_handler_t);
+
+#endif /* EMACS_SYSSIGNAL_H */
diff --git a/src/sysstdio.h b/src/sysstdio.h
index c97c4f883f..166823049d 100644
--- a/src/sysstdio.h
+++ b/src/sysstdio.h
@@ -17,6 +17,9 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_SYSSTDIO_H
+#define EMACS_SYSSTDIO_H
+
#include <fcntl.h>
#include <stdio.h>
@@ -29,3 +32,5 @@ extern FILE *emacs_fopen (char const *, char const *);
# define FOPEN_BINARY ""
# define FOPEN_TEXT ""
#endif
+
+#endif /* EMACS_SYSSTDIO_H */
diff --git a/src/systty.h b/src/systty.h
index 3a461565e5..1022455c58 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -16,6 +16,9 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_SYSTTY_H
+#define EMACS_SYSTTY_H
+
/* Include the proper files. */
#ifndef DOS_NT
@@ -37,6 +40,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <unistd.h>
+#include "lisp.h"
+
/* Try to establish the correct character to disable terminal functions
in a system-independent manner. Note that USG (at least) define
@@ -85,3 +90,5 @@ extern int emacs_set_tty (int, struct emacs_tty *, bool) EXTERNALLY_VISIBLE;
extern void suppress_echo_on_tty (int);
extern int serial_open (Lisp_Object);
extern void serial_configure (struct Lisp_Process *, Lisp_Object);
+
+#endif /* EMACS_SYSTTY_H */
diff --git a/src/termchar.h b/src/termchar.h
index d8066d7b2b..06c042797b 100644
--- a/src/termchar.h
+++ b/src/termchar.h
@@ -16,6 +16,10 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_TERMCHAR_H
+#define EMACS_TERMCHAR_H
+
+#include <stdio.h>
#include "dispextern.h"
/* Each termcap frame points to its own struct tty_output object in
@@ -230,3 +234,5 @@ extern struct tty_display_info *tty_list;
: (emacs_abort (), (struct tty_display_info *) 0))
#define CURTTY() FRAME_TTY (SELECTED_FRAME())
+
+#endif /* EMACS_TERMCHAR_H */
diff --git a/src/termhooks.h b/src/termhooks.h
index 88c62df720..8bde9877c3 100644
--- a/src/termhooks.h
+++ b/src/termhooks.h
@@ -23,8 +23,11 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
/* Miscellanea. */
+#include "lisp.h"
#include "systime.h" /* for Time */
+struct glyph;
+
INLINE_HEADER_BEGIN
enum scroll_bar_part {
diff --git a/src/termopts.h b/src/termopts.h
index c54d392dda..c5cd56316c 100644
--- a/src/termopts.h
+++ b/src/termopts.h
@@ -17,9 +17,13 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_TERMOPTS_H
+#define EMACS_TERMOPTS_H
/* Nonzero means use interrupt-driven input. */
extern bool interrupt_input;
/* Nonzero while interrupts are temporarily deferred during redisplay. */
extern bool interrupts_deferred;
+
+#endif /* EMACS_TERMOPTS_H */
diff --git a/src/tparam.h b/src/tparam.h
index 59fc859c4a..b391e89094 100644
--- a/src/tparam.h
+++ b/src/tparam.h
@@ -17,6 +17,8 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#ifndef EMACS_TPARAM_H
+#define EMACS_TPARAM_H
/* Don't try to include termcap.h. On some systems, configure finds a
non-standard termcap.h that the main build won't find. */
@@ -33,3 +35,5 @@ char *tparam (const char *, char *, int, int, int, int, int);
extern char PC;
extern char *BC;
extern char *UP;
+
+#endif /* EMACS_TPARAM_H */
diff --git a/src/unexec.h b/src/unexec.h
index 343eb6d8db..cdb2e8016e 100644
--- a/src/unexec.h
+++ b/src/unexec.h
@@ -1 +1,4 @@
+#ifndef EMACS_UNEXEC_H
+#define EMACS_UNEXEC_H
void unexec (const char *, const char *);
+#endif /* EMACS_UNEXEC_H */
diff --git a/src/widget.h b/src/widget.h
index a782035d72..e2e19b0d40 100644
--- a/src/widget.h
+++ b/src/widget.h
@@ -21,6 +21,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _EmacsFrame_h
#define _EmacsFrame_h
+#include <X11/IntrinsicP.h>
+
#define XtNminibuffer "minibuffer"
#define XtCMinibuffer "Minibuffer"
#define XtNunsplittable "unsplittable"
diff --git a/src/xsettings.h b/src/xsettings.h
index 7ef94a03a8..71b71d6e92 100644
--- a/src/xsettings.h
+++ b/src/xsettings.h
@@ -20,6 +20,10 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef XSETTINGS_H
#define XSETTINGS_H
+#include <X11/Xlib.h>
+
+struct x_display_info;
+
extern void xsettings_initialize (struct x_display_info *);
extern void xft_settings_event (struct x_display_info *, const XEvent *);
extern const char *xsettings_get_system_font (void);