- Add config option for DEFAULT_DEPMOD_FILE and DEFAULT_DEPMOD_FILE.

No obj-code changes.

modutils/Config.in

@@ -136,7 +136,7 @@ config FEATURE_MODPROBE_BLACKLIST
 	  buffer drivers etc.
 
 comment "Options common to multiple modutils"
-	depends on INSMOD || RMMOD || MODPROBE || LSMOD
+	depends on INSMOD || RMMOD || MODPROBE || LSMOD || DEPMOD
 
 config FEATURE_CHECK_TAINTED_MODULE
 	# Simulate indentation
@@ -168,6 +168,23 @@ config FEATURE_2_6_MODULES
 	help
 	  Support module loading for newer 2.6.x Linux kernels.
 
+config DEFAULT_MODULES_DIR
+	# Simulate indentation
+	string "default directory containing modules"
+	default "/lib/modules"
+	depends on INSMOD || RMMOD || MODPROBE || DEPMOD
+	help
+	  Directory that contains kernel modules.
+	  Defaults to "/lib/modules"
+
+config DEFAULT_DEPMOD_FILE
+	# Simulate indentation
+	string "default name of modules.dep"
+	default "modules.dep"
+	depends on INSMOD || RMMOD || MODPROBE || DEPMOD
+	help
+	  Filename that contains kernel modules dependencies.
+	  Defaults to "modules.dep"
 
 config FEATURE_QUERY_MODULE_INTERFACE
 	bool

modutils/depmod.c

@@ -11,12 +11,6 @@
 #include <libbb.h>
 #include <sys/utsname.h> /* uname() */
 
-#ifndef DEFAULT_MODULES_DIR
-#define DEFAULT_MODULES_DIR "/lib/modules"
-#endif
-#ifndef DEFAULT_DEPMOD_FILE
-#define DEFAULT_DEPMOD_FILE "modules.dep"
-#endif
 /*
  * Theory of operation:
  * - iterate over all modules and record their full path
@@ -138,7 +132,7 @@ int depmod_main(int ATTRIBUTE_UNUSED argc, char **argv)
 	/* if no modules are given on the command-line, -a is on per default */
 	option_mask32 |= *argv == NULL;
 
-	moddir = concat_path_file(DEFAULT_MODULES_DIR, chp);
+	moddir = concat_path_file(CONFIG_DEFAULT_MODULES_DIR, chp);
 //	if (ENABLE_FEATURE_CLEAN_UP)
 //		free(chp);
 	if (option_mask32 & ARG_b) {
@@ -149,7 +143,7 @@ int depmod_main(int ATTRIBUTE_UNUSED argc, char **argv)
 	}
 
 	if (!(option_mask32 & ARG_n)) { /* --dry-run */
-		chp = concat_path_file(moddir, DEFAULT_DEPMOD_FILE);
+		chp = concat_path_file(moddir, CONFIG_DEFAULT_DEPMOD_FILE);
 		filedes = xfopen(chp, "w");
 		if (ENABLE_FEATURE_CLEAN_UP)
 			free(chp);

modutils/insmod.c

@@ -673,8 +673,6 @@ static int obj_gpl_license(struct obj_file *f, const char **license);
 #define SPFX	""
 #endif
 
-
-#define _PATH_MODULES	"/lib/modules"
 enum { STRVERSIONLEN = 64 };
 
 /*======================================================================*/
@@ -3999,7 +3997,7 @@ int insmod_main(int argc, char **argv)
 			char *module_dir;
 			char *tmdn;
 
-			tmdn = concat_path_file(_PATH_MODULES, myuname.release);
+			tmdn = concat_path_file(CONFIG_DEFAULT_MODULES_DIR, myuname.release);
 			/* Jump through hoops in case /lib/modules/`uname -r`
 			 * is a symlink.  We do not want recursive_action to
 			 * follow symlinks, but we do want to follow the
@@ -4021,9 +4019,9 @@ int insmod_main(int argc, char **argv)
 
 			free(m_filename);
 			m_filename = NULL;
-			module_dir = xmalloc_readlink(_PATH_MODULES);
+			module_dir = xmalloc_readlink(CONFIG_DEFAULT_MODULES_DIR);
 			if (!module_dir)
-				module_dir = xstrdup(_PATH_MODULES);
+				module_dir = xstrdup(CONFIG_DEFAULT_MODULES_DIR);
 			/* No module found under /lib/modules/`uname -r`, this
 			 * time cast the net a bit wider.  Search /lib/modules/ */
 			r = recursive_action(module_dir, ACTION_RECURSE,

modutils/modprobe.c

@@ -364,15 +364,15 @@ static struct dep_t *build_dep(void)
 		k_version = un.release[2] - '0';
 	}
 
-	filename = xasprintf("/lib/modules/%s/modules.dep", un.release);
+	filename = xasprintf(CONFIG_DEFAULT_MODULES_DIR"/%s/"CONFIG_DEFAULT_DEPMOD_FILE, un.release);
 	fd = open(filename, O_RDONLY);
 	if (ENABLE_FEATURE_CLEAN_UP)
 		free(filename);
 	if (fd < 0) {
 		/* Ok, that didn't work.  Fall back to looking in /lib/modules */
-		fd = open("/lib/modules/modules.dep", O_RDONLY);
+		fd = open(CONFIG_DEFAULT_MODULES_DIR"/"CONFIG_DEFAULT_DEPMOD_FILE, O_RDONLY);
 		if (fd < 0) {
-			bb_error_msg_and_die("cannot parse modules.dep");
+			bb_error_msg_and_die("cannot parse " CONFIG_DEFAULT_DEPMOD_FILE);
 		}
 	}
 
@@ -522,11 +522,11 @@ static struct dep_t *build_dep(void)
 	/* Only 2.6 has a modules.alias file */
 	if (ENABLE_FEATURE_2_6_MODULES) {
 		/* Parse kernel-declared module aliases */
-		filename = xasprintf("/lib/modules/%s/modules.alias", un.release);
+		filename = xasprintf(CONFIG_DEFAULT_MODULES_DIR"/%s/modules.alias", un.release);
 		fd = open(filename, O_RDONLY);
 		if (fd < 0) {
 			/* Ok, that didn't work.  Fall back to looking in /lib/modules */
-			fd = open("/lib/modules/modules.alias", O_RDONLY);
+			fd = open(CONFIG_DEFAULT_MODULES_DIR"/modules.alias", O_RDONLY);
 		}
 		if (ENABLE_FEATURE_CLEAN_UP)
 			free(filename);
@@ -537,11 +537,11 @@ static struct dep_t *build_dep(void)
 		}
 
 		/* Parse kernel-declared symbol aliases */
-		filename = xasprintf("/lib/modules/%s/modules.symbols", un.release);
+		filename = xasprintf(CONFIG_DEFAULT_MODULES_DIR"/%s/modules.symbols", un.release);
 		fd = open(filename, O_RDONLY);
 		if (fd < 0) {
 			/* Ok, that didn't work.  Fall back to looking in /lib/modules */
-			fd = open("/lib/modules/modules.symbols", O_RDONLY);
+			fd = open(CONFIG_DEFAULT_MODULES_DIR"/modules.symbols", O_RDONLY);
 		}
 		if (ENABLE_FEATURE_CLEAN_UP)
 			free(filename);
@@ -895,7 +895,7 @@ int modprobe_main(int argc, char **argv)
 	depend = build_dep();
 
 	if (!depend)
-		bb_error_msg_and_die("cannot parse modules.dep");
+		bb_error_msg_and_die("cannot parse "CONFIG_DEFAULT_DEPMOD_FILE);
 
 	if (remove_opt) {
 		do {