build system overhaul

11 files changed, 87 insertions, 423 deletions

diff --git a/libbb/Config.in b/libbb/Config.in
index c5406cbb9..92ee55cbc 100644
--- a/libbb/Config.in
+++ b/libbb/Config.in
@@ -5,14 +5,14 @@
 
 menu "Busybox Library Tuning"
 
-config CONFIG_PASSWORD_MINLEN
+config PASSWORD_MINLEN
 	int "Minimum password length"
 	default 6
 	range 5 32
 	help
 	  Minimum allowable password length.
 
-config CONFIG_MD5_SIZE_VS_SPEED
+config MD5_SIZE_VS_SPEED
 	int " MD5: Trade Bytes for Speed"
 	default 2
 	range 0 3
diff --git a/libbb/Kbuild b/libbb/Kbuild
new file mode 100644
index 000000000..909f527ba
--- /dev/null
+++ b/libbb/Kbuild
@@ -0,0 +1,61 @@
+# Makefile for busybox
+#
+# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
+#
+# Licensed under the GPL v2, see the file LICENSE in this tarball.
+
+lib-y:= \
+	ask_confirmation.o change_identity.o chomp.o \
+	compare_string_array.o concat_path_file.o copy_file.o copyfd.o \
+	crc32.o create_icmp_socket.o create_icmp6_socket.o \
+	device_open.o dump.o error_msg.o error_msg_and_die.o \
+	find_pid_by_name.o find_root_device.o fgets_str.o full_read.o \
+	full_write.o get_last_path_component.o get_line_from_file.o \
+	herror_msg.o herror_msg_and_die.o \
+	human_readable.o inet_common.o inode_hash.o isdirectory.o \
+	kernel_version.o last_char_is.o login.o \
+	make_directory.o md5.o mode_string.o mtab_file.o \
+	obscure.o parse_mode.o parse_number.o perror_msg.o \
+	perror_msg_and_die.o get_console.o \
+	process_escape_sequence.o procps.o \
+	recursive_action.o remove_file.o \
+	restricted_shell.o run_parts.o run_shell.o safe_read.o safe_write.o \
+	safe_strncpy.o setup_environment.o sha1.o simplify_path.o \
+	trim.o u_signal_names.o vdprintf.o verror_msg.o \
+	vherror_msg.o vperror_msg.o wfopen.o xconnect.o xgetcwd.o \
+	xgethostbyname.o xgethostbyname2.o xreadlink.o xgetlarg.o \
+	fclose_nonstdin.o fflush_stdout_and_exit.o \
+	getopt32.o default_error_retval.o wfopen_input.o speed_table.o \
+	perror_nomsg_and_die.o perror_nomsg.o skip_whitespace.o bb_askpass.o \
+	warn_ignoring_args.o concat_subpath_file.o vfork_daemon_rexec.o \
+	bb_do_delay.o uuencode.o info_msg.o vinfo_msg.o
+
+# conditionally compiled objects:
+lib-$(CONFIG_FEATURE_MOUNT_LOOP) += loop.o
+lib-$(CONFIG_LOSETUP) += loop.o
+lib-$(CONFIG_FEATURE_MTAB_SUPPORT) += mtab.o
+lib-$(CONFIG_PASSWD) += pw_encrypt.o
+lib-$(CONFIG_SULOGIN) += pw_encrypt.o
+lib-$(CONFIG_FEATURE_HTTPD_AUTH_MD5) += pw_encrypt.o
+lib-$(CONFIG_VLOCK) += correct_password.o
+lib-$(CONFIG_SU) += correct_password.o
+lib-$(CONFIG_LOGIN) += correct_password.o
+lib-$(CONFIG_DF) += find_mount_point.o
+lib-$(CONFIG_EJECT) += find_mount_point.o
+
+# We shouldn't build xregcomp.c if we don't need it - this ensures we don't
+# require regex.h to be in the include dir even if we don't need it thereby
+# allowing us to build busybox even if uclibc regex support is disabled.
+
+lib-$(CONFIG_AWK) += xregcomp.o
+lib-$(CONFIG_SED) += xregcomp.o
+lib-$(CONFIG_LESS) += xregcomp.o
+lib-$(CONFIG_DEVFSD) += xregcomp.o
+
+lib-y += messages.o
+lib-y += xfuncs.o
+lib-y += printf.o
+lib-y += xgetularg.o
+lib-y += safe_strtol.o
+lib-y += bb_pwd.o
+lib-y += llist.o
diff --git a/libbb/Makefile b/libbb/Makefile
deleted file mode 100644
index 336398641..000000000
--- a/libbb/Makefile
+++ /dev/null
@@ -1,29 +0,0 @@
-# Makefile for busybox
-#
-# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
-#
-# Licensed under the GPL v2, see the file LICENSE in this tarball.
-
-ifndef top_srcdir
-top_srcdir=..
-endif
-ifndef top_builddir
-top_builddir=..
-endif
-srcdir=$(top_srcdir)/libbb
-LIBBB_DIR:=./
-
-# Ensure "all" is still the default target when make is run by itself in
-# libbb, even if the files we include define rules for targets.
-
-all:
-
-include $(top_srcdir)/Rules.mak
-include $(top_builddir)/.config
-include Makefile.in
-all: $(libraries-y)
--include $(top_builddir)/.depend
-
-clean:
-	rm -f *.o *.a $(AR_TARGET)
-
diff --git a/libbb/Makefile.in b/libbb/Makefile.in
deleted file mode 100644
index ef5c6b97a..000000000
--- a/libbb/Makefile.in
+++ /dev/null
@@ -1,155 +0,0 @@
-# Makefile for busybox
-#
-# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
-#
-# Licensed under the GPL v2, see the file LICENSE in this tarball.
-
-ifndef $(LIBBB_DIR)
-LIBBB_DIR:=$(top_builddir)/libbb
-endif
-srcdir=$(top_srcdir)/libbb
-
-LIBBB-n:=
-LIBBB-y:= \
-	ask_confirmation.c change_identity.c chomp.c \
-	compare_string_array.c concat_path_file.c copy_file.c copyfd.c \
-	crc32.c create_icmp_socket.c create_icmp6_socket.c \
-	device_open.c dump.c error_msg.c error_msg_and_die.c \
-	find_pid_by_name.c find_root_device.c fgets_str.c full_read.c \
-	full_write.c get_last_path_component.c get_line_from_file.c \
-	herror_msg.c herror_msg_and_die.c \
-	human_readable.c inet_common.c inode_hash.c isdirectory.c \
-	kernel_version.c last_char_is.c login.c \
-	make_directory.c md5.c mode_string.c mtab_file.c \
-	obscure.c parse_mode.c parse_number.c perror_msg.c \
-	perror_msg_and_die.c get_console.c process_escape_sequence.c procps.c \
-	recursive_action.c remove_file.c info_msg.c vinfo_msg.c \
-	restricted_shell.c run_parts.c run_shell.c safe_read.c safe_write.c \
-	safe_strncpy.c setup_environment.c sha1.c simplify_path.c \
-	trim.c u_signal_names.c vdprintf.c verror_msg.c \
-	vherror_msg.c vperror_msg.c wfopen.c xconnect.c xgetcwd.c \
-	xgethostbyname.c xgethostbyname2.c xreadlink.c xgetlarg.c \
-	fclose_nonstdin.c fflush_stdout_and_exit.c \
-	getopt32.c default_error_retval.c wfopen_input.c speed_table.c \
-	perror_nomsg_and_die.c perror_nomsg.c skip_whitespace.c bb_askpass.c \
-	warn_ignoring_args.c concat_subpath_file.c vfork_daemon_rexec.c \
-	bb_do_delay.c
-
-# conditionally compiled objects:
-LIBBB-$(CONFIG_FEATURE_MOUNT_LOOP)+= loop.c
-LIBBB-$(CONFIG_LOSETUP)+= loop.c
-LIBBB-$(CONFIG_FEATURE_MTAB_SUPPORT)+= mtab.c
-LIBBB-$(CONFIG_PASSWD)+= pw_encrypt.c
-LIBBB-$(CONFIG_SULOGIN)+= pw_encrypt.c
-LIBBB-$(CONFIG_FEATURE_HTTPD_AUTH_MD5)+= pw_encrypt.c
-LIBBB-$(CONFIG_VLOCK)+= correct_password.c
-LIBBB-$(CONFIG_SU)+= correct_password.c
-LIBBB-$(CONFIG_LOGIN)+= correct_password.c
-LIBBB-$(CONFIG_DF)+= find_mount_point.c
-LIBBB-$(CONFIG_EJECT)+= find_mount_point.c
-LIBBB-$(CONFIG_UUENCODE)+= uuencode.c
-LIBBB-$(CONFIG_WGET)+= uuencode.c
-
-# We shouldn't build xregcomp.c if we don't need it - this ensures we don't
-# require regex.h to be in the include dir even if we don't need it thereby
-# allowing us to build busybox even if uclibc regex support is disabled.
-
-regex-y:=
-regex-$(CONFIG_AWK) += xregcomp.c
-regex-$(CONFIG_SED) += xregcomp.c
-regex-$(CONFIG_LESS) += xregcomp.c
-regex-$(CONFIG_DEVFSD) += xregcomp.c
-regex-$(CONFIG_MDEV) += xregcomp.c
-regex-$(CONFIG_GREP) += xregcomp.c
-
-# Sort has the happy side efect of returning a unique list
-LIBBB-y += $(sort $(regex-y))
-
-LIBBB-y:=$(patsubst %,$(srcdir)/%,$(LIBBB-y))
-
-get-file-subparts = $(addsuffix .o,$(shell sed -n -e "s/^\#ifdef L_//p" ${1}))
-
-# 1:N objects
-LIBBB_MSRC0:=$(srcdir)/messages.c
-LIBBB_MOBJ0:=$(call get-file-subparts, ${LIBBB_MSRC0})
-LIBBB_MOBJ0:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ0))
-$(LIBBB_MOBJ0):$(LIBBB_MSRC0)
-	$(compile.c) -DL_$(notdir $*)
-
-LIBBB_MSRC1:=$(srcdir)/xfuncs.c
-LIBBB_MOBJ1:=$(call get-file-subparts, ${LIBBB_MSRC1})
-LIBBB_MOBJ1:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ1))
-$(LIBBB_MOBJ1):$(LIBBB_MSRC1)
-	$(compile.c) -DL_$(notdir $*)
-
-LIBBB_MSRC2:=$(srcdir)/printf.c
-LIBBB_MOBJ2:=$(call get-file-subparts, ${LIBBB_MSRC2})
-LIBBB_MOBJ2:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ2))
-$(LIBBB_MOBJ2):$(LIBBB_MSRC2)
-	$(compile.c) -DL_$(notdir $*)
-
-LIBBB_MSRC3:=$(srcdir)/xgetularg.c
-LIBBB_MOBJ3:=$(call get-file-subparts, ${LIBBB_MSRC3})
-LIBBB_MOBJ3:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ3))
-$(LIBBB_MOBJ3):$(LIBBB_MSRC3)
-	$(compile.c) -DL_$(notdir $*)
-
-LIBBB_MSRC4:=$(srcdir)/safe_strtol.c
-LIBBB_MOBJ4:=$(call get-file-subparts, ${LIBBB_MSRC4})
-LIBBB_MOBJ4:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ4))
-$(LIBBB_MOBJ4):$(LIBBB_MSRC4)
-	$(compile.c) -DL_$(notdir $*)
-
-LIBBB_MSRC5:=$(srcdir)/bb_pwd.c
-LIBBB_MOBJ5:=$(call get-file-subparts, ${LIBBB_MSRC5})
-LIBBB_MOBJ5:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ5))
-$(LIBBB_MOBJ5):$(LIBBB_MSRC5)
-	$(compile.c) -DL_$(notdir $*)
-
-LIBBB_MSRC6:=$(srcdir)/llist.c
-LIBBB_MOBJ6:=$(call get-file-subparts, ${LIBBB_MSRC6})
-LIBBB_MOBJ6:=$(patsubst %,$(LIBBB_DIR)/%, $(LIBBB_MOBJ6))
-$(LIBBB_MOBJ6):$(LIBBB_MSRC6)
-	$(compile.c) -DL_$(notdir $*)
-
-# We need the names of the object files built from MSRC for the L_ defines
-LIBBB_ALL_MOBJ:=$(LIBBB_MOBJ0) $(LIBBB_MOBJ1) $(LIBBB_MOBJ2) $(LIBBB_MOBJ3) \
-	$(LIBBB_MOBJ4) $(LIBBB_MOBJ5) $(LIBBB_MOBJ6)
-
-LIBBB_ALL_MSRC:=$(LIBBB_MSRC0) $(LIBBB_MSRC1) $(LIBBB_MSRC2) $(LIBBB_MSRC3) \
-	$(LIBBB_MSRC4) $(LIBBB_MSRC5) $(LIBBB_MSRC6)
-
-LIBBB-y:=$(sort $(LIBBB-y) $(LIBBB_ALL_MSRC))
-
-LIBBB_AR:=$(LIBBB_DIR)/libbb.a
-libraries-y+=$(LIBBB_AR)
-
-needcrypt-y:=
-ifneq ($(filter $(srcdir)/pw_encrypt.c,$(LIBBB-y)),)
-needcrypt-y:=y
-else
-ifneq ($(filter $(srcdir)/correct_password.c,$(LIBBB-y)),)
-needcrypt-y:=y
-endif
-endif
-
-ifeq ($(needcrypt-y),y)
-  LIBRARIES := -lcrypt $(filter-out -lcrypt,$(LIBRARIES))
-endif
-
-# all 1:1 objects
-LIBBB_OBJS:=$(patsubst $(srcdir)/%.c,$(LIBBB_DIR)/%.o, $(LIBBB-y))
-$(LIBBB_DIR)/%.o: $(srcdir)/%.c
-	$(compile.c)
-
-LIBBB_SRC-a:=$(wildcard $(srcdir)/*.c)
-LIBRARY_SRC-y+=$(LIBBB-y)
-LIBRARY_SRC-a+=$(LIBBB_SRC-a)
-
-# all defines needed for 1:N objects
-LIBBB_DEFINE-y:=$(patsubst %,-DL_%,$(subst .o,,$(notdir $(LIBBB_ALL_MOBJ))))
-LIBRARY_DEFINE-y+=$(LIBBB_DEFINE-y)
-LIBRARY_DEFINE-a+=$(LIBBB_DEFINE-y)
-
-$(LIBBB_AR): $(LIBBB_OBJS) $(LIBBB_ALL_MOBJ)
-	$(do_ar)
diff --git a/libbb/bb_pwd.c b/libbb/bb_pwd.c
index e4d327340..3a214ca33 100644
--- a/libbb/bb_pwd.c
+++ b/libbb/bb_pwd.c
@@ -7,8 +7,11 @@
  * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
  */
 
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include "libbb.h"
 
-#ifdef L_bb_getgrgid
   /* Hacked by Tito Ragusa (c) 2004 <farmatito@tiscali.it> to make it more
   * flexible :
   *
@@ -26,9 +29,6 @@
   *                   the program exits.
   */
 
-#include "libbb.h"
-#include "grp_.h"
-
 /* gets a groupname given a gid */
 char * bb_getgrgid(char *group, long gid, int bufsize)
 {
@@ -37,15 +37,6 @@ char * bb_getgrgid(char *group, long gid, int bufsize)
 	return bb_getug(group, (mygroup) ?
 			mygroup->gr_name : (char *)mygroup, gid, bufsize, 'g');
 }
-#endif /* L_bb_getgrgid */
-
-#ifdef L_bb_xgetgrnam
-#include <stdio.h>
-#include <string.h>
-#include "libbb.h"
-#include "pwd_.h"
-#include "grp_.h"
-
 
 /* returns a gid given a group name */
 long bb_xgetgrnam(const char *name)
@@ -58,15 +49,6 @@ long bb_xgetgrnam(const char *name)
 
 	return (mygroup->gr_gid);
 }
-#endif /* L_bb_xgetgrnam */
-
-#ifdef L_bb_xgetpwnam
-#include <stdio.h>
-#include <string.h>
-#include "libbb.h"
-#include "pwd_.h"
-#include "grp_.h"
-
 
 /* returns a uid given a username */
 long bb_xgetpwnam(const char *name)
@@ -79,9 +61,7 @@ long bb_xgetpwnam(const char *name)
 
 	return myuser->pw_uid;
 }
-#endif /* L_bb_xgetpwnam */
 
-#ifdef L_bb_getpwuid
  /* Hacked by Tito Ragusa (c) 2004 <farmatito@tiscali.it> to make it more
   * flexible :
   *
@@ -99,9 +79,6 @@ long bb_xgetpwnam(const char *name)
   *                   the program exits.
   */
 
-#include "libbb.h"
-#include "pwd_.h"
-
 /* gets a username given a uid */
 char * bb_getpwuid(char *name, long uid, int bufsize)
 {
@@ -110,9 +87,7 @@ char * bb_getpwuid(char *name, long uid, int bufsize)
 	return  bb_getug(name, (myuser) ?
 			myuser->pw_name : (char *)myuser , uid, bufsize, 'u');
 }
-#endif /* L_bb_getpwuid */
 
-#ifdef L_bb_getug
  /*
   * if bufsize is > 0 char *buffer can not be set to NULL.
   *                   If idname is not NULL it is written on the static
@@ -127,11 +102,6 @@ char * bb_getpwuid(char *name, long uid, int bufsize)
   *                   else an error message is printed and the program exits.
   */
 
-#include <stdio.h>
-#include <assert.h>
-#include "libbb.h"
-
-
 /* internal function for bb_getpwuid and bb_getgrgid */
 char * bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix)
 {
@@ -146,13 +116,6 @@ char * bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix)
 	}
 	return idname;
 }
-#endif /* L_bb_getug */
-
-
-#ifdef L_get_ug_id
-/* indirect dispatcher for pwd helpers.  */
-#include <stdlib.h>
-#include "libbb.h"
 
 unsigned long get_ug_id(const char *s,
 		long (*__bb_getxxnam)(const char *))
@@ -167,4 +130,3 @@ unsigned long get_ug_id(const char *s,
 
 	return r;
 }
-#endif /* L_get_ug_id */
diff --git a/libbb/llist.c b/libbb/llist.c
index 0e727c496..8bf89a595 100644
--- a/libbb/llist.c
+++ b/libbb/llist.c
@@ -13,7 +13,6 @@
 #include <stdlib.h>
 #include "libbb.h"
 
-#ifdef L_llist_add_to
 /* Add data to the start of the linked list.  */
 void llist_add_to(llist_t **old_head, void *data)
 {
@@ -22,9 +21,7 @@ void llist_add_to(llist_t **old_head, void *data)
 	new_head->link = *old_head;
 	*old_head = new_head;
 }
-#endif
 
-#ifdef L_llist_add_to_end
 /* Add data to the end of the linked list.  */
 void llist_add_to_end(llist_t **list_head, void *data)
 {
@@ -39,9 +36,7 @@ void llist_add_to_end(llist_t **list_head, void *data)
 		tail->link = new_item;
 	}
 }
-#endif
 
-#ifdef L_llist_pop
 /* Remove first element from the list and return it */
 void *llist_pop(llist_t **head)
 {
@@ -57,9 +52,7 @@ void *llist_pop(llist_t **head)
 
 	return data;
 }
-#endif
 
-#ifdef L_llist_free
 /* Recursively free all elements in the linked list.  If freeit != NULL
  * call it on each datum in the list */
 void llist_free(llist_t *elm, void (*freeit)(void *data))
@@ -69,4 +62,3 @@ void llist_free(llist_t *elm, void (*freeit)(void *data))
 		if (freeit) freeit(data);
 	}
 }
-#endif
diff --git a/libbb/messages.c b/libbb/messages.c
index 5aba7e693..bd41216a5 100644
--- a/libbb/messages.c
+++ b/libbb/messages.c
@@ -7,7 +7,6 @@
 
 #include "libbb.h"
 
-#ifdef L_full_version
 #ifndef BB_EXTRA_VERSION
 #define BANNER "BusyBox v" BB_VER " (" BB_BT ")"
 #else
@@ -15,92 +14,30 @@
 #endif
 const char BB_BANNER[] = BANNER;
 const char bb_msg_full_version[] = BANNER " multi-call binary";
-#endif
-
-#ifdef L_memory_exhausted
-	const char bb_msg_memory_exhausted[] = "memory exhausted";
-#endif
-#ifdef L_invalid_date
-	const char bb_msg_invalid_date[] = "invalid date `%s'";
-#endif
-#ifdef L_io_error
-	const char bb_msg_io_error[] = "%s: input/output error -- %m";
-#endif
-#ifdef L_write_error
-	const char bb_msg_write_error[] = "write error";
-#endif
-#ifdef L_read_error
-	const char bb_msg_read_error[] = "read error";
-#endif
-#ifdef L_name_longer_than_foo
-	const char bb_msg_name_longer_than_foo[] = "names longer than %d chars not supported";
-#endif
-#ifdef L_unknown
-	const char bb_msg_unknown[] = "(unknown)";
-#endif
-#ifdef L_can_not_create_raw_socket
-	const char bb_msg_can_not_create_raw_socket[] = "can't create raw socket";
-#endif
-#ifdef L_perm_denied_are_you_root
-	const char bb_msg_perm_denied_are_you_root[] = "permission denied. (are you root?)";
-#endif
-#ifdef L_msg_requires_arg
-	const char bb_msg_requires_arg[] = "%s requires an argument";
-#endif
-#ifdef L_msg_invalid_arg
-	const char bb_msg_invalid_arg[] = "invalid argument `%s' to `%s'";
-#endif
-#ifdef L_msg_standard_input
-	const char bb_msg_standard_input[] = "standard input";
-#endif
-#ifdef L_msg_standard_output
-	const char bb_msg_standard_output[] = "standard output";
-#endif
-
-#ifdef L_passwd_file
-#define PASSWD_FILE        "/etc/passwd"
-const char bb_path_passwd_file[] = PASSWD_FILE;
-#endif
 
-#ifdef L_shadow_file
-#define SHADOW_FILE        "/etc/shadow"
-const char bb_path_shadow_file[] = SHADOW_FILE;
-#endif
-
-#ifdef L_group_file
-#define GROUP_FILE         "/etc/group"
-const char bb_path_group_file[] = GROUP_FILE;
-#endif
-
-#ifdef L_gshadow_file
-#define GSHADOW_FILE       "/etc/gshadow"
-const char bb_path_gshadow_file[] = GSHADOW_FILE;
-#endif
-
-#ifdef L_nologin_file
-#define NOLOGIN_FILE       "/etc/nologin"
-const char bb_path_nologin_file[] = NOLOGIN_FILE;
-#endif
-
-#ifdef L_securetty_file
-#define SECURETTY_FILE     "/etc/securetty"
-const char bb_path_securetty_file[] = SECURETTY_FILE;
-#endif
-
-#ifdef L_motd_file
-#define MOTD_FILE          "/etc/motd"
-const char bb_path_motd_file[] = MOTD_FILE;
-#endif
-
-#ifdef L_shell_file
+const char bb_msg_memory_exhausted[] = "memory exhausted";
+const char bb_msg_invalid_date[] = "invalid date '%s'";
+const char bb_msg_write_error[] = "write error";
+const char bb_msg_read_error[] = "read error";
+const char bb_msg_name_longer_than_foo[] = "names longer than %d chars not supported";
+const char bb_msg_unknown[] = "(unknown)";
+const char bb_msg_can_not_create_raw_socket[] = "can't create raw socket";
+const char bb_msg_perm_denied_are_you_root[] = "permission denied. (are you root?)";
+const char bb_msg_requires_arg[] = "%s requires an argument";
+const char bb_msg_invalid_arg[] = "invalid argument '%s' to '%s'";
+const char bb_msg_standard_input[] = "standard input";
+const char bb_msg_standard_output[] = "standard output";
+
+const char bb_path_passwd_file[] = "/etc/passwd";
+const char bb_path_shadow_file[] = "/etc/shadow";
+const char bb_path_group_file[] = "/etc/group";
+const char bb_path_gshadow_file[] = "/etc/gshadow";
+const char bb_path_nologin_file[] = "/etc/nologin";
+const char bb_path_securetty_file[] = "/etc/securetty";
+const char bb_path_motd_file[] = "/etc/motd";
 const char bb_default_login_shell[] = LIBBB_DEFAULT_LOGIN_SHELL;
-#endif
-
-#ifdef L_bb_dev_null
 const char bb_dev_null[] = "/dev/null";
-#endif
 
-#ifdef L_bb_path_wtmp_file
 #include <utmp.h>
 /* This is usually something like "/var/adm/wtmp" or "/var/log/wtmp" */
 const char bb_path_wtmp_file[] =
@@ -111,9 +48,5 @@ WTMP_FILE;
 #else
 # error unknown path to wtmp file
 #endif
-#endif
 
-
-#ifdef L_bb_common_bufsiz1
 char bb_common_bufsiz1[BUFSIZ+1];
-#endif
diff --git a/libbb/printf.c b/libbb/printf.c
index 2e79555b5..f0ddb862e 100644
--- a/libbb/printf.c
+++ b/libbb/printf.c
@@ -37,7 +37,6 @@
 #include <errno.h>
 #include "libbb.h"
 
-#ifdef L_bb_vfprintf
 int bb_vfprintf(FILE * __restrict stream,
 					   const char * __restrict format,
 					   va_list arg)
@@ -65,16 +64,12 @@ int bb_vfprintf(FILE * __restrict stream,
 
 	return rv;
 }
-#endif
 
-#ifdef L_bb_vprintf
 int bb_vprintf(const char * __restrict format, va_list arg)
 {
 	return bb_vfprintf(stdout, format, arg);
 }
-#endif
 
-#ifdef L_bb_fprintf
 int bb_fprintf(FILE * __restrict stream,
 					  const char * __restrict format, ...)
 {
@@ -87,9 +82,7 @@ int bb_fprintf(FILE * __restrict stream,
 
 	return rv;
 }
-#endif
 
-#ifdef L_bb_printf
 int bb_printf(const char * __restrict format, ...)
 {
 	va_list arg;
@@ -101,4 +94,3 @@ int bb_printf(const char * __restrict format, ...)
 
 	return rv;
 }
-#endif
diff --git a/libbb/safe_strtol.c b/libbb/safe_strtol.c
index 2e8fa9558..027fc1e62 100644
--- a/libbb/safe_strtol.c
+++ b/libbb/safe_strtol.c
@@ -12,7 +12,6 @@
 #include <assert.h>
 #include "libbb.h"
 
-#ifdef L_safe_strtoi
 int safe_strtoi(char *arg, int* value)
 {
 	int error;
@@ -21,9 +20,7 @@ int safe_strtoi(char *arg, int* value)
 	*value = (int) lvalue;
 	return error;
 }
-#endif
 
-#ifdef L_safe_strtod
 int safe_strtod(char *arg, double* value)
 {
 	char *endptr;
@@ -38,9 +35,7 @@ int safe_strtod(char *arg, double* value)
 	errno = errno_save;
 	return 0;
 }
-#endif
 
-#ifdef L_safe_strtol
 int safe_strtol(char *arg, long* value)
 {
 	char *endptr;
@@ -55,9 +50,7 @@ int safe_strtol(char *arg, long* value)
 	errno = errno_save;
 	return 0;
 }
-#endif
 
-#ifdef L_safe_strtoul
 int safe_strtoul(char *arg, unsigned long* value)
 {
 	char *endptr;
@@ -72,9 +65,7 @@ int safe_strtoul(char *arg, unsigned long* value)
 	errno = errno_save;
 	return 0;
 }
-#endif
 
-#ifdef L_safe_strtoll
 int safe_strtoll(char *arg, long long* value)
 {
 	char *endptr;
@@ -89,9 +80,7 @@ int safe_strtoll(char *arg, long long* value)
 	errno = errno_save;
 	return 0;
 }
-#endif
 
-#ifdef L_safe_strtoull
 int safe_strtoull(char *arg, unsigned long long* value)
 {
 	char *endptr;
@@ -106,5 +95,3 @@ int safe_strtoull(char *arg, unsigned long long* value)
 	errno = errno_save;
 	return 0;
 }
-#endif
-
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index f1d4486c3..de765a32d 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -20,7 +20,6 @@
  * Since dmalloc's prototypes overwrite the impls here as they are
  * included after these prototypes in libbb.h, all is well.
  */
-#ifdef L_xmalloc
 // Die if we can't allocate size bytes of memory.
 void *xmalloc(size_t size)
 {
@@ -29,9 +28,7 @@ void *xmalloc(size_t size)
 		bb_error_msg_and_die(bb_msg_memory_exhausted);
 	return ptr;
 }
-#endif
 
-#ifdef L_xrealloc
 // Die if we can't resize previously allocated memory.  (This returns a pointer
 // to the new memory, which may or may not be the same as the old memory.
 // It'll copy the contents to a new chunk and free the old one if necessary.)
@@ -42,11 +39,8 @@ void *xrealloc(void *ptr, size_t size)
 		bb_error_msg_and_die(bb_msg_memory_exhausted);
 	return ptr;
 }
-#endif
 #endif /* DMALLOC */
 
-
-#ifdef L_xzalloc
 // Die if we can't allocate and zero size bytes of memory.
 void *xzalloc(size_t size)
 {
@@ -54,9 +48,7 @@ void *xzalloc(size_t size)
 	memset(ptr, 0, size);
 	return ptr;
 }
-#endif
 
-#ifdef L_xstrdup
 // Die if we can't copy a string to freshly allocated memory.
 char * xstrdup(const char *s)
 {
@@ -72,9 +64,7 @@ char * xstrdup(const char *s)
 
 	return t;
 }
-#endif
 
-#ifdef L_xstrndup
 // Die if we can't allocate n+1 bytes (space for the null terminator) and copy
 // the (possibly truncated to length n) string into it.
 char * xstrndup(const char *s, int n)
@@ -88,9 +78,7 @@ char * xstrndup(const char *s, int n)
 
 	return safe_strncpy(t,s,n);
 }
-#endif
 
-#ifdef L_xfopen
 // Die if we can't open a file and return a FILE * to it.
 // Notice we haven't got xfread(), This is for use with fscanf() and friends.
 FILE *xfopen(const char *path, const char *mode)
@@ -100,9 +88,7 @@ FILE *xfopen(const char *path, const char *mode)
 		bb_perror_msg_and_die("%s", path);
 	return fp;
 }
-#endif
 
-#ifdef L_xopen
 // Die if we can't open an existing file and return an fd.
 int xopen(const char *pathname, int flags)
 {
@@ -111,9 +97,7 @@ int xopen(const char *pathname, int flags)
 
 	return xopen3(pathname, flags, 0777);
 }
-#endif
 
-#ifdef L_xopen3
 // Die if we can't open a new file and return an fd.
 int xopen3(const char *pathname, int flags, int mode)
 {
@@ -125,9 +109,7 @@ int xopen3(const char *pathname, int flags, int mode)
 	}
 	return ret;
 }
-#endif
 
-#ifdef L_xread
 // Die with an error message if we can't read the entire buffer.
 void xread(int fd, void *buf, size_t count)
 {
@@ -140,9 +122,7 @@ void xread(int fd, void *buf, size_t count)
 		buf = ((char *) buf) + size;
 	}
 }
-#endif
 
-#ifdef L_xwrite
 // Die with an error message if we can't write the entire buffer.
 void xwrite(int fd, void *buf, size_t count)
 {
@@ -155,17 +135,13 @@ void xwrite(int fd, void *buf, size_t count)
 		buf = ((char *) buf) + size;
 	}
 }
-#endif
 
-#ifdef L_xlseek
 // Die with an error message if we can't lseek to the right spot.
 void xlseek(int fd, off_t offset, int whence)
 {
 	if (offset != lseek(fd, offset, whence)) bb_error_msg_and_die("lseek");
 }
-#endif
 
-#ifdef L_xread_char
 // Die with an error message if we can't read one character.
 unsigned char xread_char(int fd)
 {
@@ -175,9 +151,7 @@ unsigned char xread_char(int fd)
 
 	return(tmp);
 }
-#endif
 
-#ifdef L_xferror
 // Die with supplied error message if this FILE * has ferror set.
 void xferror(FILE *fp, const char *fn)
 {
@@ -185,17 +159,13 @@ void xferror(FILE *fp, const char *fn)
 		bb_error_msg_and_die("%s", fn);
 	}
 }
-#endif
 
-#ifdef L_xferror_stdout
 // Die with an error message if stdout has ferror set.
 void xferror_stdout(void)
 {
 	xferror(stdout, bb_msg_standard_output);
 }
-#endif
 
-#ifdef L_xfflush_stdout
 // Die with an error message if we have trouble flushing stdout.
 void xfflush_stdout(void)
 {
@@ -203,9 +173,7 @@ void xfflush_stdout(void)
 		bb_perror_msg_and_die(bb_msg_standard_output);
 	}
 }
-#endif
 
-#ifdef L_spawn
 // This does a fork/exec in one call, using vfork().  Return PID of new child,
 // -1 for failure.  Runs argv[0], searching path if that has no / in it.
 pid_t spawn(char **argv)
@@ -230,9 +198,7 @@ pid_t spawn(char **argv)
 	}
 	return failed ? failed : pid;
 }
-#endif
 
-#ifdef L_xspawn
 // Die with an error message if we can't spawn a child process.
 pid_t xspawn(char **argv)
 {
@@ -240,9 +206,7 @@ pid_t xspawn(char **argv)
 	if (pid < 0) bb_perror_msg_and_die("%s", *argv);
 	return pid;
 }
-#endif
 
-#ifdef L_wait4
 // Wait for the specified child PID to exit, returning child's error return.
 int wait4pid(int pid)
 {
@@ -253,17 +217,13 @@ int wait4pid(int pid)
 	if (WIFSIGNALED(status)) return WTERMSIG(status);
 	return 0;
 }
-#endif
 
-#ifdef L_xsetenv
 void xsetenv(const char *key, const char *value)
 {
 	if(setenv(key, value, 1))
 		bb_error_msg_and_die(bb_msg_memory_exhausted);
 }
-#endif
 
-#ifdef L_itoa
 // Convert unsigned integer to ascii, writing into supplied buffer.  A
 // truncated result is always null terminated (unless buflen is 0), and
 // contains the first few digits of the result ala strncpy.
@@ -319,9 +279,7 @@ char *itoa(int n)
 
 	return local_buf;
 }
-#endif
 
-#ifdef L_setuid
 // Die with an error message if we can't set gid.  (Because resource limits may
 // limit this user to a given number of processes, and if that fills up the
 // setgid() will fail and we'll _still_be_root_, which is bad.)
@@ -335,9 +293,7 @@ void xsetuid(uid_t uid)
 {
 	if (setuid(uid)) bb_error_msg_and_die("setuid");
 }
-#endif
 
-#ifdef L_fdlength
 // Return how long the file at fd is, if there's any way to determine it.
 off_t fdlength(int fd)
 {
@@ -375,9 +331,7 @@ off_t fdlength(int fd)
 
 	return pos + 1;
 }
-#endif
 
-#ifdef L_xasprintf
 // Die with an error message if we can't malloc() enough space and do an
 // sprintf() into that space.
 char *xasprintf(const char *format, ...)
@@ -405,9 +359,7 @@ char *xasprintf(const char *format, ...)
 	if (r < 0) bb_error_msg_and_die(bb_msg_memory_exhausted);
 	return string_ptr;
 }
-#endif
 
-#ifdef L_xprint_and_close_file
 // Die with an error message if we can't copy an entire FILE * to stdout, then
 // close that file.
 void xprint_and_close_file(FILE *file)
@@ -418,18 +370,14 @@ void xprint_and_close_file(FILE *file)
 
 	fclose(file);
 }
-#endif
 
-#ifdef L_xchdir
 // Die if we can't chdir to a new path.
 void xchdir(const char *path)
 {
 	if (chdir(path))
 		bb_perror_msg_and_die("chdir(%s)", path);
 }
-#endif
 
-#ifdef L_warn_opendir
 // Print a warning message if opendir() fails, but don't die.
 DIR *warn_opendir(const char *path)
 {
@@ -441,9 +389,7 @@ DIR *warn_opendir(const char *path)
 	}
 	return dp;
 }
-#endif
 
-#ifdef L_xopendir
 // Die with an error message if opendir() fails.
 DIR *xopendir(const char *path)
 {
@@ -453,9 +399,7 @@ DIR *xopendir(const char *path)
 		bb_perror_msg_and_die("unable to open `%s'", path);
 	return dp;
 }
-#endif
 
-#ifdef L_xdaemon
 #ifndef BB_NOMMU
 // Die with an error message if we can't daemonize.
 void xdaemon(int nochdir, int noclose)
@@ -463,9 +407,7 @@ void xdaemon(int nochdir, int noclose)
 	if (daemon(nochdir, noclose)) bb_perror_msg_and_die("daemon");
 }
 #endif
-#endif
 
-#ifdef L_xsocket
 // Die with an error message if we can't open a new socket.
 int xsocket(int domain, int type, int protocol)
 {
@@ -475,34 +417,26 @@ int xsocket(int domain, int type, int protocol)
 
 	return r;
 }
-#endif
 
-#ifdef L_xbind
 // Die with an error message if we can't bind a socket to an address.
 void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen)
 {
 	if (bind(sockfd, my_addr, addrlen)) bb_perror_msg_and_die("bind");
 }
-#endif
 
-#ifdef L_xlisten
 // Die with an error message if we can't listen for connections on a socket.
 void xlisten(int s, int backlog)
 {
 	if (listen(s, backlog)) bb_perror_msg_and_die("listen");
 }
-#endif
 
-#ifdef L_xstat
 // xstat() - a stat() which dies on failure with meaningful error message
 void xstat(char *name, struct stat *stat_buf)
 {
 	if (stat(name, stat_buf))
 		bb_perror_msg_and_die("can't stat '%s'", name);
 }
-#endif
 
-#ifdef L_get_terminal_width_height
 /* It is perfectly ok to pass in a NULL for either width or for
  *  * height, in which case that value will not be set.  */
 int get_terminal_width_height(int fd, int *width, int *height)
@@ -524,4 +458,3 @@ int get_terminal_width_height(int fd, int *width, int *height)
 
 	return ret;
 }
-#endif
diff --git a/libbb/xgetularg.c b/libbb/xgetularg.c
index 21b0d12f7..17ba581f7 100644
--- a/libbb/xgetularg.c
+++ b/libbb/xgetularg.c
@@ -15,7 +15,6 @@
 #include <assert.h>
 #include "libbb.h"
 
-#ifdef L_xgetularg_bnd_sfx
 unsigned long bb_xgetularg_bnd_sfx(const char *arg, int base,
 								   unsigned long lower,
 								   unsigned long upper,
@@ -75,9 +74,7 @@ unsigned long bb_xgetularg_bnd_sfx(const char *arg, int base,
 
 	return r;
 }
-#endif
 
-#ifdef L_xgetlarg_bnd_sfx
 long bb_xgetlarg_bnd_sfx(const char *arg, int base,
 						 long lower,
 						 long upper,
@@ -104,36 +101,27 @@ long bb_xgetlarg_bnd_sfx(const char *arg, int base,
 
 	return r;
 }
-#endif
 
-#ifdef L_getlarg10_sfx
 long bb_xgetlarg10_sfx(const char *arg, const struct suffix_mult *suffixes)
 {
 	return bb_xgetlarg_bnd_sfx(arg, 10, LONG_MIN, LONG_MAX, suffixes);
 }
-#endif
 
-#ifdef L_xgetularg_bnd
 unsigned long bb_xgetularg_bnd(const char *arg, int base,
 							   unsigned long lower,
 							   unsigned long upper)
 {
 	return bb_xgetularg_bnd_sfx(arg, base, lower, upper, NULL);
 }
-#endif
 
-#ifdef L_xgetularg10_bnd
 unsigned long bb_xgetularg10_bnd(const char *arg,
 								 unsigned long lower,
 								 unsigned long upper)
 {
 	return bb_xgetularg_bnd(arg, 10, lower, upper);
 }
-#endif
 
-#ifdef L_xgetularg10
 unsigned long bb_xgetularg10(const char *arg)
 {
 	return bb_xgetularg10_bnd(arg, 0, ULONG_MAX);
 }
-#endif