aclocal.m4

基于V4L开发的一个运动监测的程序

	    		want_gnome=yes
	    		dnl Note that an empty true branch is not
			dnl valid sh syntax.
	    		ifelse([$1], [], :, [$1])
        	else
	    		if test "x$withval" = xno; then
	        		want_gnome=no
	    		else
	        		want_gnome=yes
	    			LDFLAGS="$LDFLAGS -L$withval/lib"
	    			CFLAGS="$CFLAGS -I$withval/include"
	    			gnome_prefix=$withval/lib
	    		fi
  		fi,
		want_gnome=yes)

	if test "x$want_gnome" = xyes; then

	    AC_PATH_PROG(GNOME_CONFIG,gnome-config,no)
	    if test "$GNOME_CONFIG" = "no"; then
	      no_gnome_config="yes"
	    else
	      AC_MSG_CHECKING(if $GNOME_CONFIG works)
	      if $GNOME_CONFIG --libs-only-l gnome >/dev/null 2>&1; then
	        AC_MSG_RESULT(yes)
	        GNOME_GNORBA_HOOK([],$2)
	        GNOME_LIBS="`$GNOME_CONFIG --libs-only-l gnome`"
	        GNOMEUI_LIBS="`$GNOME_CONFIG --libs-only-l gnomeui`"
	        GNOMEGNORBA_LIBS="`$GNOME_CONFIG --libs-only-l gnorba gnomeui`"
	        GTKXMHTML_LIBS="`$GNOME_CONFIG --libs-only-l gtkxmhtml`"
		ZVT_LIBS="`$GNOME_CONFIG --libs-only-l zvt`"
	        GNOME_LIBDIR="`$GNOME_CONFIG --libs-only-L gnorba gnomeui`"
	        GNOME_INCLUDEDIR="`$GNOME_CONFIG --cflags gnorba gnomeui`"
                $1
	      else
	        AC_MSG_RESULT(no)
	        no_gnome_config="yes"
              fi
            fi

	    if test x$exec_prefix = xNONE; then
	        if test x$prefix = xNONE; then
		    gnome_prefix=$ac_default_prefix/lib
	        else
 		    gnome_prefix=$prefix/lib
	        fi
	    else
	        gnome_prefix=`eval echo \`echo $libdir\``
	    fi
	
	    if test "$no_gnome_config" = "yes"; then
              AC_MSG_CHECKING(for gnomeConf.sh file in $gnome_prefix)
	      if test -f $gnome_prefix/gnomeConf.sh; then
	        AC_MSG_RESULT(found)
	        echo "loading gnome configuration from" \
		     "$gnome_prefix/gnomeConf.sh"
	        . $gnome_prefix/gnomeConf.sh
	        $1
	      else
	        AC_MSG_RESULT(not found)
 	        if test x$2 = xfail; then
	          AC_MSG_ERROR(Could not find the gnomeConf.sh file that is generated by gnome-libs install)
 	        fi
	      fi
            fi
	fi

	if test -n "$3"; then
	  n="$3"
	  for i in $n; do
	    AC_MSG_CHECKING(extra library \"$i\")
	    case $i in 
	      applets)
		AC_SUBST(GNOME_APPLETS_LIBS)
		GNOME_APPLETS_LIBS=`$GNOME_CONFIG --libs-only-l applets`
		AC_MSG_RESULT($GNOME_APPLETS_LIBS);;
	      docklets)
		AC_SUBST(GNOME_DOCKLETS_LIBS)
		GNOME_DOCKLETS_LIBS=`$GNOME_CONFIG --libs-only-l docklets`
		AC_MSG_RESULT($GNOME_DOCKLETS_LIBS);;
	      capplet)
		AC_SUBST(GNOME_CAPPLET_LIBS)
		GNOME_CAPPLET_LIBS=`$GNOME_CONFIG --libs-only-l capplet`
		AC_MSG_RESULT($GNOME_CAPPLET_LIBS);;
	      *)
		AC_MSG_RESULT(unknown library)
	    esac
            EXTRA_INCLUDEDIR=`$GNOME_CONFIG --cflags $i`
            GNOME_INCLUDEDIR="$GNOME_INCLUDEDIR $EXTRA_INCLUDEDIR"
	  done
	fi
])

dnl
dnl GNOME_INIT ([additional-inits])
dnl

AC_DEFUN([GNOME_INIT],[
	GNOME_INIT_HOOK([],fail,$1)
])

dnl
dnl GNOME_GNORBA_HOOK (script-if-gnorba-found, failflag)
dnl
dnl if failflag is "failure" it aborts if gnorba is not found.
dnl

AC_DEFUN([GNOME_GNORBA_HOOK],[
	GNOME_ORBIT_HOOK([],$2)
	AC_CACHE_CHECK([for gnorba libraries],gnome_cv_gnorba_found,[
		gnome_cv_gnorba_found=no
		if test x$gnome_cv_orbit_found = xyes; then
			GNORBA_CFLAGS="`gnome-config --cflags gnorba gnomeui`"
			GNORBA_LIBS="`gnome-config --libs gnorba gnomeui`"
			if test -n "$GNORBA_LIBS"; then
				gnome_cv_gnorba_found=yes
			fi
		fi
	])
	AM_CONDITIONAL(HAVE_GNORBA, test x$gnome_cv_gnorba_found = xyes)
	if test x$gnome_cv_orbit_found = xyes; then
		$1
		GNORBA_CFLAGS="`gnome-config --cflags gnorba gnomeui`"
		GNORBA_LIBS="`gnome-config --libs gnorba gnomeui`"
		AC_SUBST(GNORBA_CFLAGS)
		AC_SUBST(GNORBA_LIBS)
	else
	    	if test x$2 = xfailure; then
			AC_MSG_ERROR(gnorba library not installed or installation problem)
	    	fi
	fi
])

AC_DEFUN([GNOME_GNORBA_CHECK], [
	GNOME_GNORBA_HOOK([],failure)
])

dnl
dnl GNOME_ORBIT_HOOK (script-if-orbit-found, failflag)
dnl
dnl if failflag is "failure" it aborts if orbit is not found.
dnl

AC_DEFUN([GNOME_ORBIT_HOOK],[
	AC_PATH_PROG(ORBIT_CONFIG,orbit-config,no)
	AC_PATH_PROG(ORBIT_IDL,orbit-idl,no)
	AC_CACHE_CHECK([for working ORBit environment],gnome_cv_orbit_found,[
		if test x$ORBIT_CONFIG = xno -o x$ORBIT_IDL = xno; then
			gnome_cv_orbit_found=no
		else
			gnome_cv_orbit_found=yes
		fi
	])
	AM_CONDITIONAL(HAVE_ORBIT, test x$gnome_cv_orbit_found = xyes)
	if test x$gnome_cv_orbit_found = xyes; then
		$1
		ORBIT_CFLAGS=`orbit-config --cflags client server`
		ORBIT_LIBS=`orbit-config --use-service=name --libs client server`
		AC_SUBST(ORBIT_CFLAGS)
		AC_SUBST(ORBIT_LIBS)
	else
    		if test x$2 = xfailure; then
			AC_MSG_ERROR(ORBit not installed or installation problem)
    		fi
	fi
])

AC_DEFUN([GNOME_ORBIT_CHECK], [
	GNOME_ORBIT_HOOK([],failure)
])

# isc-posix.m4 serial 2 (gettext-0.11.2)
dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
dnl This file is free software, distributed under the terms of the GNU
dnl General Public License.  As a special exception to the GNU General
dnl Public License, this file may be distributed as part of a program
dnl that contains a configuration script generated by Autoconf, under
dnl the same distribution terms as the rest of that program.

# This file is not needed with autoconf-2.53 and newer.  Remove it in 2005.

# This test replaces the one in autoconf.
# Currently this macro should have the same name as the autoconf macro
# because gettext's gettext.m4 (distributed in the automake package)
# still uses it.  Otherwise, the use in gettext.m4 makes autoheader
# give these diagnostics:
#   configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
#   configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX

undefine([AC_ISC_POSIX])

AC_DEFUN([AC_ISC_POSIX],
  [
    dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
    AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
  ]
)


# serial 1

# @defmac AC_PROG_CC_STDC
# @maindex PROG_CC_STDC
# @ovindex CC
# If the C compiler in not in ANSI C mode by default, try to add an option
# to output variable @code{CC} to make it so.  This macro tries various
# options that select ANSI C on some system or another.  It considers the
# compiler to be in ANSI C mode if it handles function prototypes correctly.
#
# If you use this macro, you should check after calling it whether the C
# compiler has been set to accept ANSI C; if not, the shell variable
# @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
# code in ANSI C, you can make an un-ANSIfied copy of it by using the
# program @code{ansi2knr}, which comes with Ghostscript.
# @end defmac

AC_DEFUN([AM_PROG_CC_STDC],
[AC_REQUIRE([AC_PROG_CC])
AC_BEFORE([$0], [AC_C_INLINE])
AC_BEFORE([$0], [AC_C_CONST])
dnl Force this before AC_PROG_CPP.  Some cpp's, eg on HPUX, require
dnl a magic option to avoid problems with ANSI preprocessor commands
dnl like #elif.
dnl FIXME: can't do this because then AC_AIX won't work due to a
dnl circular dependency.
dnl AC_BEFORE([$0], [AC_PROG_CPP])
AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
AC_CACHE_VAL(am_cv_prog_cc_stdc,
[am_cv_prog_cc_stdc=no
ac_save_CC="$CC"
# Don't try gcc -ansi; that turns off useful extensions and
# breaks some systems' header files.
# AIX			-qlanglvl=ansi
# Ultrix and OSF/1	-std1
# HP-UX			-Aa -D_HPUX_SOURCE
# SVR4			-Xc -D__EXTENSIONS__
for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
do
  CC="$ac_save_CC $ac_arg"
  AC_TRY_COMPILE(
[#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
struct buf { int x; };
FILE * (*rcsopen) (struct buf *, struct stat *, int);
static char *e (p, i)
     char **p;
     int i;
{
  return p[i];
}
static char *f (char * (*g) (char **, int), char **p, ...)
{
  char *s;
  va_list v;
  va_start (v,p);
  s = g (p, va_arg (v,int));
  va_end (v);
  return s;
}
int test (int i, double x);
struct s1 {int (*f) (int a);};
struct s2 {int (*f) (double a);};
int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
int argc;
char **argv;
], [
return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
],
[am_cv_prog_cc_stdc="$ac_arg"; break])
done
CC="$ac_save_CC"
])
if test -z "$am_cv_prog_cc_stdc"; then
  AC_MSG_RESULT([none needed])
else
  AC_MSG_RESULT($am_cv_prog_cc_stdc)
fi
case "x$am_cv_prog_cc_stdc" in
  x|xno) ;;
  *) CC="$CC $am_cv_prog_cc_stdc" ;;
esac
])

dnl GNOME_COMPILE_WARNINGS
dnl Turn on many useful compiler warnings
dnl For now, only works on GCC
AC_DEFUN([GNOME_COMPILE_WARNINGS],[
  AC_ARG_ENABLE(compile-warnings, 
    [  --enable-compile-warnings=[no/minimum/yes]	Turn on compiler warnings.],,enable_compile_warnings=minimum)

  AC_MSG_CHECKING(what warning flags to pass to the C compiler)
  warnCFLAGS=
  if test "x$GCC" != xyes; then
    enable_compile_warnings=no
  fi

  if test "x$enable_compile_warnings" != "xno"; then
    if test "x$GCC" = "xyes"; then
      case " $CFLAGS " in
      *[\ \	]-Wall[\ \	]*) ;;
      *) warnCFLAGS="-Wall -Wunused" ;;
      esac

      ## -W is not all that useful.  And it cannot be controlled
      ## with individual -Wno-xxx flags, unlike -Wall
      if test "x$enable_compile_warnings" = "xyes"; then
	warnCFLAGS="$warnCFLAGS -Wmissing-prototypes -Wmissing-declarations"
      fi
    fi
  fi
  AC_MSG_RESULT($warnCFLAGS)

  AC_ARG_ENABLE(iso-c,
    [  --enable-iso-c          Try to warn if code is not ISO C ],,
    enable_iso_c=no)

  AC_MSG_CHECKING(what language compliance flags to pass to the C compiler)
  complCFLAGS=
  if test "x$enable_iso_c" != "xno"; then
    if test "x$GCC" = "xyes"; then
      case " $CFLAGS " in
      *[\ \	]-ansi[\ \	]*) ;;
      *) complCFLAGS="$complCFLAGS -ansi" ;;
      esac

      case " $CFLAGS " in
      *[\ \	]-pedantic[\ \	]*) ;;
      *) complCFLAGS="$complCFLAGS -pedantic" ;;
      esac
    fi
  fi
  AC_MSG_RESULT($complCFLAGS)
  if test "x$cflags_set" != "xyes"; then
    CFLAGS="$CFLAGS $warnCFLAGS $complCFLAGS"
    cflags_set=yes
    AC_SUBST(cflags_set)
  fi
])

dnl For C++, do basically the same thing.

AC_DEFUN([GNOME_CXX_WARNINGS],[
  AC_ARG_ENABLE(cxx-warnings,