#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.64])
AC_CONFIG_MACRO_DIR([m4])
AC_INIT([procps-ng],
	[3.3.2],
	[procps@freelists.org],,[http://gitorious.org/procps])
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([top.c])
AC_CONFIG_HEADERS([config.h])

# Checks for programs.
AC_GNU_SOURCE
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_INSTALL
AC_PROG_LN_S

AC_SUBST([WITH_WATCH8BIT])
AC_ARG_ENABLE([watch8bit],
              AS_HELP_STRING([--enable-watch8bit], [enable watch to be 8bit clean (requires ncursesw)]),
              [enable_watch8bit=$enableval],
              [enable_watch8bit="no"])
if test "$enable_watch8bit" = "yes"; then
  AC_DEFINE([WITH_WATCH8BIT], [1], [Enable 8 bit clean watch])
fi

# Checks for header files.
AC_HEADER_MAJOR
AC_CHECK_HEADERS([\
	fcntl.h \
	langinfo.h \
	limits.h \
	locale.h \
	netinet/in.h \
	stdlib.h \
	string.h \
	sys/file.h \
	sys/ioctl.h \
	sys/param.h \
	sys/time.h \
	termios.h \
	unistd.h \
	utmp.h \
	values.h \
	wchar.h \
	wctype.h
])

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_CHECK_MEMBERS([struct stat.st_rdev])
AC_C_INLINE
AC_C_RESTRICT
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UID_T

dnl libtool
LT_INIT

# Checks for library functions.
AC_FUNC_ERROR_AT_LINE
AC_FUNC_FORK
AC_FUNC_MALLOC
AC_FUNC_MBRTOWC
AC_FUNC_MMAP
AC_FUNC_REALLOC
AC_FUNC_STRTOD
AC_CHECK_FUNCS([\
	alarm \
	getpagesize \
	gettimeofday \
	iswprint \
	memchr \
	memmove \
	memset \
	munmap \
	nl_langinfo \
	putenv \
	regcomp \
	select \
	setlocale \
	strcasecmp \
	strverscmp \
	strchr \
	strcspn \
	strdup \
	strerror \
	strncasecmp \
	strpbrk \
	strrchr \
	strspn \
	strstr \
	strtol \
	strtoul \
	uname \
	utmpname \
	wcwidth
])

AC_ARG_WITH([ncurses],
  AS_HELP_STRING([--without-ncurses], [build only applications not needing ncurses]),
  [with_ncurses=no], [with_ncurses=yes]
)

if test "x$with_ncurses" = xno; then
  AM_CONDITIONAL(WITH_NCURSES, false)
else
  AC_CHECK_LIB(ncurses, initscr, [have_ncurses=yes], [have_ncurses=no])
  AC_CHECK_HEADERS(curses.h ncurses.h, [], [have_ncurses=no], AC_INCLUDES_DEFAULT)
  if test "x$have_ncurses" = xno; then
    AC_MSG_ERROR([ncurses support missing/incomplete (for partial build use --without-ncurses)])
  fi
  AM_CONDITIONAL(WITH_NCURSES, true)
  if test "$enable_watch8bit" = yes; then
    AC_CHECK_LIB([ncursesw], [addwstr], [WATCH_NCURSES_LIBS=-lncursesw],
                [AC_MSG_ERROR([Cannot find ncurses wide library ncursesw with --enable-watch8bit])]) 
  else
    WATCH_NCURSES_LIBS="-lncurses"
  fi
  NCURSES_LIBS="-lncurses"
fi
AC_SUBST([NCURSES_LIBS])
AC_SUBST([WATCH_NCURSES_LIBS])

usrbin_execdir='${exec_prefix}/usr/bin'
AC_SUBST([usrbin_execdir])

AC_ARG_ENABLE([kill],
  AS_HELP_STRING([--disable-kill], [do not build kill]),
  [], enable_kill=yes
)
AM_CONDITIONAL(BUILD_KILL, test "x$enable_kill" = xyes)
AM_CONDITIONAL(LINUX, test "x$host_os" = xlinux-gnu)

AC_ARG_ENABLE([oomem],
  AS_HELP_STRING([--enable-oomem], [add out-of-memory fields to the library and top]),
  [], enable_oomem=no
)
if test "x$enable_oomem" = xyes; then
  AC_DEFINE(OOMEM_ENABLE, 1, [add out-of-memory fields to the library and top])
fi

AC_ARG_ENABLE([w-from],
  AS_HELP_STRING([--enable-w-from], [enable w from field by default]),
  [], enable_w_from=no
)
if test "x$enable_w_from" = xyes; then
  AC_DEFINE(W_SHOWFROM, 1, [enable w from field by default])
fi

AC_ARG_ENABLE([whining],
  AS_HELP_STRING([--disable-whining], [do not print unnessary warnings (slackware-ism)]),
  [], enable_whining=yes
)
if test "x$enable_whining" = xyes; then
  AC_DEFINE(BUILD_WITH_WHINE, 1, [should extra warnings be printed (slackware-ism)])
fi

if test x"$DEJAGNU" = x                                                        
then                                                                           
  DEJAGNU="\$(top_srcdir)/testsuite/global-conf.exp"                         
fi                                                                             
AC_SUBST(DEJAGNU)   

AC_CONFIG_FILES([
Makefile
proc/Makefile
proc/libprocfs.pc
ps/Makefile
testsuite/Makefile
])
AC_OUTPUT