build: slightly speed up the compilation of the tiny version

Don't include header files when they won't actually be needed.

(Also, remove a superfluous #ifdef.)

src/browser.c

@@ -21,13 +21,13 @@
 
 #include "proto.h"
 
+#ifdef ENABLE_BROWSER
+
 #include <errno.h>
 #include <stdint.h>
 #include <string.h>
 #include <unistd.h>
 
-#ifdef ENABLE_BROWSER
-
 static char **filelist = NULL;
 		/* The list of files to display in the file browser. */
 static size_t filelist_len = 0;

src/color.c

@@ -21,14 +21,14 @@
 
 #include "proto.h"
 
+#ifdef ENABLE_COLOR
+
 #include <errno.h>
 #ifdef HAVE_MAGIC_H
 #include <magic.h>
 #endif
 #include <string.h>
 
-#ifdef ENABLE_COLOR
-
 /* For early versions of ncurses-6.0, use an additional A_PROTECT attribute
  * for all colors, in order to work around an ncurses miscoloring bug. */
 #if defined(NCURSES_VERSION_MAJOR) && (NCURSES_VERSION_MAJOR == 6) && \

src/help.c

@@ -22,11 +22,11 @@
 
 #include "proto.h"
 
+#ifdef ENABLE_HELP
+
 #include <errno.h>
 #include <string.h>
 
-#ifdef ENABLE_HELP
-
 static char *help_text = NULL;
 		/* The text displayed in the help window. */
 

src/history.c

@@ -21,11 +21,11 @@
 
 #include "proto.h"
 
+#ifdef ENABLE_HISTORIES
+
 #include <errno.h>
 #include <string.h>
 
-#ifdef ENABLE_HISTORIES
-
 #ifndef SEARCH_HISTORY
 #define SEARCH_HISTORY "search_history"
 #endif

src/rcfile.c

@@ -23,14 +23,14 @@
 
 #include "proto.h"
 
+#ifdef ENABLE_NANORC
+
 #include <ctype.h>
 #include <errno.h>
 #include <glob.h>
 #include <string.h>
 #include <unistd.h>
 
-#ifdef ENABLE_NANORC
-
 #ifndef RCFILE_NAME
 #define HOME_RC_NAME ".nanorc"
 #define RCFILE_NAME "nanorc"
@@ -501,11 +501,10 @@ void parse_binding(char *ptr, bool dobind)
 	if (newsc->func == do_toggle_void)
 		mask = MMAIN;
 #endif
-#ifdef ENABLE_NANORC
 	/* Handle the special case of a key defined as a string. */
 	if (newsc->func == (functionptrtype)implant)
 		mask = MMOST | MHELP;
-#endif
+
 	/* Now limit the given menu to those where the function exists. */
 	menu = menu & (is_universal(newsc->func) ? MMOST : mask);