dnl
dnl Configure script for the Gnome library
dnl

AC_INIT(copyright.txt)
AM_CONFIG_HEADER(config.h)
AC_CANONICAL_SYSTEM

dnl This is required at several places
AC_CHECK_PROG(ac_dc_found, dc, yes, no)
if test x$ac_dc_found != xyes ; then
AC_MSG_ERROR([
*** The "dc" utility was not found on your system.
***
*** When using RedHat Linux, you need to install the "bc" package.
***
*** It is now part of the "bc" package, so you should look at
*** ftp://ftp.gnu.org/pub/gnu/bc/ if you want to compile it yourself.
***
*** Other systems and distributions may also have it in their "bc" package,
*** so if there's no "dc" one, please look for "bc".
***])
fi

. $srcdir/LIBGTOP-VERSION
AM_INIT_AUTOMAKE($PACKAGE, $VERSION)

AC_SUBST(LIBGTOP_MAJOR_VERSION)
AC_SUBST(LIBGTOP_MINOR_VERSION)
AC_SUBST(LIBGTOP_MICRO_VERSION)
AC_SUBST(LIBGTOP_INTERFACE_AGE)
AC_SUBST(LIBGTOP_BINARY_AGE)
AC_SUBST(LIBGTOP_SERVER_VERSION)
AC_SUBST(LIBGTOP_VERSION)
AC_SUBST(LIBGTOP_VERSION_CODE)

# libtool versioning
LT_RELEASE=$LIBGTOP_MAJOR_VERSION.$LIBGTOP_MINOR_VERSION
LT_CURRENT=`expr $LIBGTOP_MICRO_VERSION - $LIBGTOP_INTERFACE_AGE`
LT_REVISION=$LIBGTOP_INTERFACE_AGE
LT_AGE=`expr $LIBGTOP_BINARY_AGE - $LIBGTOP_INTERFACE_AGE`
LT_VERSION_INFO='-version-info ${LT_CURRENT}:${LT_REVISION}:${LT_AGE}'
AC_SUBST(LT_VERSION_INFO)
AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)

AM_ACLOCAL_INCLUDE(. macros)

AC_ISC_POSIX
AC_PROG_CC
AC_STDC_HEADERS
AC_ARG_PROGRAM

dnl We need this at some places.
libgtop_top_builddir=`pwd`
AC_SUBST(libgtop_top_builddir)

dnl We don't use `AC_PROG_AWK' since it checks for mawk first which
dnl does not work for libgtop.
AC_CHECK_PROGS(AWK, gawk awk, )
test -z "$AWK" && AC_MSG_ERROR([Sorry, you need a working awk interpreter.])

dnl Most people should have a working perl interpreter on their system
AC_CHECK_PROGS(PERL, perl5 perl)
test -z "$PERL" && AC_MSG_ERROR([You need to have a working perl interpreter.])

AC_CHECK_TOOL(CC,gcc)
AC_CHECK_TOOL(RANLIB,ranlib)
AC_CHECK_TOOL(AS,as)
AC_CHECK_TOOL(AR,ar)
AC_CHECK_TOOL(NM,nm)

NM=`which $NM`
export CC CXX RANLIB LD AS AR NM

AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET

export cross_compiling

AM_PROG_LIBTOOL

dnl Let the user enable compiler warnings
GNOME_COMPILE_WARNINGS

GNOME_INIT_HOOK(gnome_found=yes)

if test "x$gnome_found" != xyes; then
  if test "x$want_gnome" != xno ; then
    AC_MSG_ERROR([
*** GNOME was not found on this system. ***

*** If you want to use LibGTop without GNOME, you need
*** to give configure the --without-gnome parameter.
])
  else
    AC_DEFINE(WITHOUT_GNOME)
  fi
  GNOME_SUPPORT_CHECKS
else
  if test "x$want_gnome" != xno ; then
    AM_CONDITIONAL(BUILD_GNOME_SUPPORT, false)
  else
    GNOME_SUPPORT_CHECKS
  fi
fi

AM_CONDITIONAL(CROSS_COMPILING, test "x$cross_compiling" = xyes)

GNOME_LIBGTOP_SYSDEPS
GNOME_LIBGTOP_TYPES

AC_ARG_WITH(libgtop-guile,
[  --with-libgtop-guile    Build the libgtop guile interface (default=no)],
[build_guile="$withval"], [build_guile=yes])

if test x$build_guile != xno ; then
  GNOME_CHECK_GUILE
fi

AC_ARG_WITH(libgtop-inodedb,
[  --with-libgtop-inodedb  Build the inodedb stuff (default=no)],
[build_inodedb="$withval"], [build_inodedb=no])

LIBGTOP_EXTRA_LIBS=

if test x$build_inodedb = xyes ; then
  AC_CHECK_LIB(gdbm, gdbm_open, LIBGTOP_EXTRA_LIBS='-lgdbm', build_inodedb=no)
fi

AM_CONDITIONAL(INODEDB, test x$build_inodedb = xyes)

if test x$build_inodedb = xyes ; then
  AC_DEFINE(GLIBTOP_INODEDB)
fi

AC_DEFINE(GLIBTOP_NAMES)

if test x$ac_cv_guile_found = xyes ; then
  AC_DEFINE(GLIBTOP_GUILE)
  AC_DEFINE(GLIBTOP_GUILE_NAMES)
  libgtop_guile_found=yes
  guile_examples='third'
  guile_static_examples='third_static'
  guile_subdirs='guile'
else
  libgtop_guile_found=no
  guile_examples=
  guile_static_examples=
  guile_subdirs=
fi

if test x$libgtop_smp = xyes ; then
  smp_examples='smp'
  smp_static_examples='smp_static'
else
  smp_examples=
  smp_static_examples=
fi

if test "x$enable_static" != xno; then
  static_targets="first_static second_static mountlist_static procmap_static netload_static sysdeps_static timings_static $guile_static_examples $smp_static_examples"
else
  static_targets=""
fi

AM_CONDITIONAL(ENABLE_STATIC, test x$enable_static = xyes)
AM_CONDITIONAL(ENABLE_SHARED, test x$enable_static = xyes)

AC_SUBST(static_targets)
AC_SUBST(smp_examples)
AC_SUBST(guile_examples)
AC_SUBST(guile_subdirs)

AM_PROG_LIBTOOL

AM_PATH_GLIB(1.2.0,,AC_MSG_ERROR(GLIB >= 1.2.0 is required for LibGTop))

dnl You need to uncomment the following line if you want to use
dnl libGTop without Gnome.
dnl GNOME_SUPPORT_CHECKS

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_STRUCT_ST_RDEV
AC_HEADER_TIME
AC_STRUCT_TM
AC_TYPE_UID_T

dnl For SunOS
AC_CHECK_TYPE(ssize_t, int)
AC_CHECK_HEADERS(memory.h)
AC_CHECK_HEADERS(string.h strings.h, break)
AC_REPLACE_FUNCS(strerror)
AC_CHECK_LIB(kvm, kvm_open)

dnl For DEC OSF1
AC_CHECK_LIB(mach, vm_statistics)

dnl For some broken libc5 systems (Debian 1.3)                                                           
saved_CFLAGS=$CFLAGS                                                                                     
CFLAGS="$CFLAGS -D_GNU_SOURCE"                                                                           
GCC_NEED_DECLARATION(program_invocation_name, [                           
#include <errno.h>                                                                                       
#include <stdio.h>                                                                                       
#include <stdlib.h>                                                                                      
#include <string.h>                                                                                      
])                                                                                                       
CFLAGS=$saved_CFLAGS                                                                                     
                                                                                                         
dnl Check for Internet sockets.
AC_CHECK_FUNC(socket,
 [AC_CHECK_HEADER(netinet/in.h,
   [AC_CHECK_HEADER(arpa/inet.h, [
  AC_DEFINE(HAVE_SOCKETS)
      AC_MSG_CHECKING("for sun_len member in struct sockaddr_un")
      AC_TRY_LINK([
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
      ],
      [static struct sockaddr_un x; x.sun_len = 1;],
      [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SOCKADDR_SUN_LEN)],
      [AC_MSG_RESULT(no)])])])])

dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_FUNC_MMAP
AC_TYPE_SIGNAL
AC_FUNC_STRFTIME
AC_CHECK_FUNCS(getcwd gettimeofday getwd putenv strdup strtoul uname)

dnl ## all 'es_??' are only needed for format numbers different of 'es'
ALL_LINGUAS="da de es es_DO es_GT es_HN es_MX es_PA es_PE es_SV fi fr gl ja ko nl no pl sv"
AM_GNOME_GETTEXT

AC_PATH_XTRA

dnl For Solaris
dnl Please don't move this before AC_PATH_XTRA
AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)])
AC_CHECK_FUNC(connect,,[AC_CHECK_LIB(socket,connect)])
AC_CHECK_FUNC(inet_aton,,[AC_CHECK_LIB(resolv,inet_aton)])

dnl The construct foo=`echo $w1 $w2 $w3` fails on some systems if $w1 = -e or -n
dnl So we use the following instead.
dnl XE_SPACE(var, words)
define([XE_SPACE],[
T=""
for W in $2; do if test -z "$T"; then T="$W"; else T="$T $W"; fi; done
$1="$T"
])dnl

dnl Autodetect Xauth
dnl -lXau is only used by gnuclient, so use a special variable for Xauth X libs
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $X_CFLAGS"
test -z "$with_xauth" && { AC_CHECK_HEADER(X11/Xauth.h,          ,with_xauth=no) }
test -z "$with_xauth" && { AC_CHECK_LIB(Xau, XauGetAuthByAddr,[:],with_xauth=no, $X_LIBS) }
test -z "$with_xauth" && with_xauth=yes
if test "$with_xauth" = "yes"; then
  AC_DEFINE(HAVE_XAUTH)
  XE_SPACE(libs_xauth, $X_LIBS -lXau)
fi
CPPFLAGS="$saved_CPPFLAGS"
AC_SUBST(libs_xauth)

dnl For diskusage stuff
GNOME_FILEUTILS_CHECKS

dnl Debugging
AC_ARG_ENABLE(debug, [  --enable-debug          turn on debugging [default=no]],AC_DEFINE(LIBGTOP_ENABLE_DEBUG),)
AC_ARG_ENABLE(fatal-warnings, [  --enable-fatal-warnings make all warnings fatal [debug=no]],AC_DEFINE(LIBGTOP_FATAL_WARNINGS),)

if test "x$gnome_found" = xyes ; then
  LIBSUPPORT="$GNOME_LIBDIR -lgnomesupport"
  SUPPORTINCS="$GNOME_INCLUDEDIR"
else
  LIBSUPPORT='$(top_builddir)/support/libgnomesupport.la'
  SUPPORTINCS='-DNEED_GNOMESUPPORT_H -I$(top_builddir)/support -I$(top_srcdir)/support'
fi

dnl Some ugly hack; if '-lgnomesupport' is part of $GNOME_LIBS,
dnl we include it here.
case "$GNOME_LIBS" in
	'*-lgnomesupport*' ) 
	  LIBSUPPORT="$GNOME_LIBDIR -lgnomesupport"
          SUPPORTINCS="$GNOME_INCLUDEDIR" ;;
esac
AC_SUBST(LIBSUPPORT)
AC_SUBST(SUPPORTINCS)

dnl These definitions are expanded in make.
LIBGTOP_LIBS='-L$(libdir)'
LIBGTOP_INCS='-I$(includedir)'

if test x$libgtop_use_machine_h = xyes ; then
  LIBGTOP_INCS="$LIBGTOP_INCS -DHAVE_GLIBTOP_MACHINE_H"
fi

if test x$build_inodedb = xyes ; then
  LIBGTOP_INCS="$LIBGTOP_INCS -DGLIBTOP_INODEDB"
fi

if test x$libgtop_smp = xyes ; then
  LIBGTOP_INCS="$LIBGTOP_INCS -DHAVE_LIBGTOP_SMP"
fi

if test x$libgtop_have_sysinfo = xyes ; then
  LIBGTOP_INCS="$LIBGTOP_INCS -DHAVE_LIBGTOP_SYSINFO"
fi

LIBGTOP_INCS="$LIBGTOP_INCS $SUPPORTINCS $GLIB_CFLAGS"

LIBGTOP_GUILE_LIBS="$LIBGTOP_LIBS"
LIBGTOP_GUILE_INCS="$LIBGTOP_INCS"
LIBGTOP_BINDIR='$(bindir)'
LIBGTOP_SERVER='$(bindir)/libgtop_server'

sysdeps_dir="$libgtop_sysdeps_dir"
AC_SUBST(sysdeps_dir)

if test x$ac_cv_guile_found = xyes ; then
  LIBGTOP_GUILE_LIBS="$LIBGTOP_GUILE_LIBS -lgtop_guile"
  libgtop_guile_found=yes
else
  libgtop_guile_found=no
fi

AC_SUBST(libgtop_guile_found)

if test -z "$LIBGTOP_EXTRA_LIBS" ; then
  LIBGTOP_EXTRA_LIBS="$libs_xauth"
else
  LIBGTOP_EXTRA_LIBS="$LIBGTOP_EXTRA_LIBS $libs_xauth"
fi

LIBGTOP_EXTRA_LIBS="$LIBGTOP_EXTRA_LIBS $GLIB_LIBS"

LIBGTOP_LIBS="$LIBGTOP_LIBS -lgtop -lgtop_sysdeps -lgtop_common"
LIBGTOP_GUILE_LIBS="$LIBGTOP_GUILE_LIBS -lgtop -lgtop_sysdeps -lgtop_common"

LIBGTOP_NAMES_LIBS="$LIBGTOP_LIBS -lgtop_names"
LIBGTOP_GUILE_NAMES_LIBS="$LIBGTOP_GUILE_LIBS -lgtop_guile_names -lgtop_names"

LIBGTOP_LIBS="$LIBGTOP_LIBS" 
LIBGTOP_NAMES_LIBS="$LIBGTOP_NAMES_LIBS"
LIBGTOP_GUILE_LIBS="$LIBGTOP_GUILE_LIBS"
LIBGTOP_GUILE_NAMES_LIBS="$LIBGTOP_GUILE_NAMES_LIBS"

LIBGTOP_GUILE_LIBS="$LIBGTOP_GUILE_LIBS $GUILE_LIBS"
LIBGTOP_GUILE_INCS="$LIBGTOP_GUILE_INCS $GUILE_INCS -DGLIBTOP_GUILE"

LIBGTOP_NAMES_INCS="$LIBGTOP_INCS -DGLIBTOP_NAMES"
LIBGTOP_GUILE_NAMES_INCS="$LIBGTOP_GUILE_INCS -DGLIBTOP_GUILE_NAMES"
LIBGTOP_GUILE_NAMES_INCS="$LIBGTOP_GUILE_INCS -DGLIBTOP_NAMES"

machine_incs="-I\$(top_srcdir)/sysdeps/$sysdeps_dir"

AC_SUBST(machine_incs)

if test x$libgtop_guile_found = xyes ; then
  guile_def="-DGLIBTOP_GUILE -DGLIBTOP_GUILE_NAMES $GUILE_INCS "
else
  guile_def=""
fi

INCLUDES="-D_IN_LIBGTOP -D_GNU_SOURCE -DGLIBTOP_NAMES -I\$(top_builddir) -I\$(top_srcdir) -I\$(top_srcdir)/sysdeps/$sysdeps_dir -I\$(top_srcdir)/include -I\$(top_srcdir)/intl $SUPPORTINCS $GLIB_CFLAGS $CFLAGS $X_CFLAGS $guile_def "'-DGTOPLOCALEDIR=\"$(datadir)/locale\" -DLIBGTOP_VERSION=\"'"$LIBGTOP_VERSION"'\" -DLIBGTOP_SERVER_VERSION=\"'"$LIBGTOP_SERVER_VERSION"'\" -DLIBGTOP_VERSION_CODE='$LIBGTOP_VERSION_CODE' -DLIBGTOP_SERVER=\"'"$LIBGTOP_SERVER"'\"'

AC_SUBST(INCLUDES)

AC_SUBST(LIBGTOP_EXTRA_LIBS)

AC_SUBST(LIBGTOP_LIBS)
AC_SUBST(LIBGTOP_INCS)
AC_SUBST(LIBGTOP_NAMES_LIBS)
AC_SUBST(LIBGTOP_NAMES_INCS)
AC_SUBST(LIBGTOP_GUILE_LIBS)
AC_SUBST(LIBGTOP_GUILE_INCS)
AC_SUBST(LIBGTOP_GUILE_NAMES_LIBS)
AC_SUBST(LIBGTOP_GUILE_NAMES_INCS)
AC_SUBST(LIBGTOP_BINDIR)
AC_SUBST(LIBGTOP_SERVER)

if test x$libgtop_need_server = xyes ; then
   sysdeps_suid_lib="\$(top_builddir)/sysdeps/\$(sysdeps_dir)/libgtop_sysdeps_suid.la"
   server_programs='libgtop_server'
else
   sysdeps_suid_lib=
   server_programs=
fi
AC_SUBST(sysdeps_suid_lib)
AC_SUBST(server_programs)

AC_OUTPUT([
Makefile
libgtop.spec
po/Makefile.in
intl/Makefile
misc/Makefile
include/Makefile
include/glibtop/Makefile
sysdeps/Makefile
sysdeps/common/Makefile
sysdeps/names/Makefile
sysdeps/guile/Makefile
sysdeps/guile/names/Makefile
sysdeps/stub/Makefile
sysdeps/stub_suid/Makefile
sysdeps/sun4/Makefile
sysdeps/osf1/Makefile
sysdeps/linux/Makefile
sysdeps/kernel/Makefile
sysdeps/freebsd/Makefile
src/Makefile
src/daemon/Makefile
src/inodedb/Makefile
lib/Makefile
examples/Makefile
doc/Makefile
support/Makefile
macros/Makefile])