buildsys: HAS_UTMP (XPG2, SVr4 compat) knob

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

Makefile.in

@@ -294,6 +294,7 @@ HEADERS_RM-$(UCLIBC_HAS_THREADS)             += *thread*.h semaphore.h \
 	bits/initspin.h
 HEADERS_RM-$(UCLIBC_HAS_THREADS_NATIVE)      += atomic.h bits/atomic.h
 HEADERS_RM-$(UCLIBC_HAS_OBSTACK)             += obstack.h
+HEADERS_RM-$(UCLIBC_HAS_UTMP)               += bits/utmp.h utmp.h
 HEADERS_RM-$(UCLIBC_HAS_UTMPX)               += bits/utmpx.h utmpx.h
 HEADERS_RM-$(UCLIBC_HAS_WCHAR)               += wchar.h wctype.h
 HEADERS_RM-$(UCLIBC_HAS_WORDEXP)             += wordexp.h

extra/Configs/Config.in

@@ -700,6 +700,25 @@ config COMPAT_ATEXIT
 	  Enable this option if you want to update from 0.9.28 to git/0.9.29,
 	  else you will be missing atexit() until you rebuild all apps.
 
+config UCLIBC_HAS_UTMPX
+       bool "utmpx based support for tracking login/logouts to/from the system"
+	   depends on UCLIBC_HAS_UTMP # TODO, remove this, it's backward
+       help
+         Answer y to enable support for accessing user accounting database.
+         It can be used to track all login/logout to the system.
+
+config UCLIBC_HAS_UTMP
+       bool "utmp support (XPG2, SVr4 compat)"
+       help
+         Answer y to enable legacy SVID support for accessing
+		 user accounting database:
+		   getutent(), getutid(), getutline(), pututline(),
+		   setutent(), endutent(), utmpname() in utmp.h
+         It can be used to track all login/logout to the system.
+
+         If unsure, just answer N and use utmpx.h and corresponding
+		 POSIX functions.
+
 config UCLIBC_SUSV2_LEGACY
 	bool "Enable SuSv2 LEGACY functions"
 	help
@@ -2042,14 +2061,6 @@ config UCLIBC_HAS_GNU_GLOB
 
 	  Most people will answer N.
 
-config UCLIBC_HAS_UTMPX
-       bool "utmpx based support for tracking login/logouts to/from the system"
-       help
-         Answer y to enable support for accessing user accounting database.
-         It can be used to track all login/logout to the system.
-
-         If unsure, just answer N.
-
 endmenu
 
 

libc/misc/utmp/Makefile.in

@@ -7,7 +7,9 @@
 
 subdirs += libc/misc/utmp
 
-CSRC-y := utent.c wtent.c
+CSRC-y :=
+CSRC-$(if $(findstring y,$(UCLIBC_HAS_UTMP)$(UCLIBC_HAS_UTMPX)),y) += wtent.c
+CSRC-$(UCLIBC_HAS_UTMP) += utent.c
 CSRC-$(UCLIBC_HAS_UTMPX) += utxent.c
 
 MISC_UTMP_DIR := $(top_srcdir)libc/misc/utmp

libc/misc/utmp/utent.c

@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /* utent.c <ndf@linux.mit.edu> */
 /* Let it be known that this is very possibly the worst standard ever.  HP-UX
    does one thing, someone else does another, linux another... If anyone

libc/misc/utmp/utxent.c

@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * utexent.c : Support for accessing user accounting database.
  * Copyright (C) 2010 STMicroelectronics Ltd.

libc/misc/utmp/wtent.c

@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
  *

libutil/Makefile.in

@@ -27,6 +27,14 @@ ifneq ($(UCLIBC_HAS_PTY),y)
 libutil_SRC := $(filter-out $(libutil_DIR)/openpty.c $(libutil_DIR)/forkpty.c \
 		,$(libutil_SRC))
 endif
+ifeq ($(UCLIBC_HAS_UTMP)$(UCLIBC_HAS_UTMPX),)
+libutil_SRC := $(filter-out \
+	$(libutil_DIR)/logwtmp.c \
+	$(libutil_DIR)/login.c \
+	$(libutil_DIR)/logout.c \
+		,$(libutil_SRC))
+endif
+
 libutil_OBJ := $(patsubst $(libutil_DIR)/%.c,$(libutil_OUT)/%.o,$(libutil_SRC))
 
 ifeq ($(DOPIC),y)