acinclude.m4.in

查看局域网的信息,类似网上邻居的功能,例如查看哪台计算机在线等

LIBS="$all_libraries -lgif -lX11 $LIBSOCKET"
AC_TRY_LINK(dnl
[
#ifdef __cplusplus
extern "C" {
#endif
int GifLastError(void);
#ifdef __cplusplus
}
#endif
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
],
            [return GifLastError();],
            eval "ac_cv_lib_gif=yes",
            eval "ac_cv_lib_gif=no")
LIBS="$ac_save_LIBS"
])dnl
if eval "test \"`echo $ac_cv_lib_gif`\" = yes"; then
  AC_MSG_RESULT(yes)
  AC_DEFINE_UNQUOTED(HAVE_LIBGIF, 1, [Define if you have libgif])
else
  AC_MSG_ERROR(You need giflib30. Please install the kdesupport package)
fi
])

AC_DEFUN(KDE_FIND_JPEG_HELPER,
[
AC_MSG_CHECKING([for libjpeg$2])
AC_CACHE_VAL(ac_cv_lib_jpeg_$1,
[
AC_LANG_C
ac_save_LIBS="$LIBS"
LIBS="$all_libraries $USER_LDFLAGS -ljpeg$2 -lm"
AC_TRY_LINK(
[/* Override any gcc2 internal prototype to avoid an error.  */
struct jpeg_decompress_struct;
typedef struct jpeg_decompress_struct * j_decompress_ptr;
typedef int size_t;
#ifdef __cplusplus
extern "C" {
#endif
    void jpeg_CreateDecompress(j_decompress_ptr cinfo,
                                    int version, size_t structsize);
#ifdef __cplusplus
}
#endif
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
],
            [jpeg_CreateDecompress(0L, 0, 0);],
            eval "ac_cv_lib_jpeg_$1=-ljpeg$2",
            eval "ac_cv_lib_jpeg_$1=no")
LIBS="$ac_save_LIBS"
])

if eval "test ! \"`echo $ac_cv_lib_jpeg_$1`\" = no"; then
  LIBJPEG="$ac_cv_lib_jpeg_$1"
  AC_MSG_RESULT($ac_cv_lib_jpeg_$1)
else
  AC_MSG_RESULT(no)
  $3
fi

])

AC_DEFUN(AC_FIND_JPEG,
[
KDE_FIND_JPEG_HELPER(6b, 6b,
   KDE_FIND_JPEG_HELPER(normal, [],
    [
dnl what to do, if the normal way fails:
	if test -f "$kde_libraries/libjpeg.so"; then
	   test -f ./libjpegkde.so || $LN_S $kde_libraries/libjpeg.so ./libjpegkde.so
	   ac_cv_lib_jpeg="-L\${topdir} -ljpegkde"
	else if test -f "$kde_libraries/libjpeg.sl"; then
	   test -f ./libjpegkde.sl ||$LN_S $kde_libraries/libjpeg.sl ./libjpegkde.sl
	   ac_cv_lib_jpeg="-L\${topdir} -ljpegkde"	
	else if test -f "$kde_libraries/libjpeg.a"; then
	   test -f ./libjpegkde.a || $LN_S $kde_libraries/libjpeg.a ./libjpegkde.a
	   ac_cv_lib_jpeg="-L\${topdir} -ljpegkde"
        else
	  AC_MSG_ERROR([
You need the development package of libjpeg6b. You can get
a source package of libjpeg from http://www.ijg.org/
])
	fi
      fi
   fi

   LIBJPEG=$ac_cv_lib_jpeg
]))

AC_SUBST(LIBJPEG)
AC_DEFINE_UNQUOTED(HAVE_LIBJPEG, 1, [Define if you have libjpeg])

])

AC_DEFUN(AC_FIND_ZLIB,
[
AC_REQUIRE([KDE_CHECK_EXTRA_LIBS])
AC_MSG_CHECKING([for libz])
AC_CACHE_VAL(ac_cv_lib_z,
[
AC_LANG_C
kde_save_LIBS="$LIBS"
LIBS="$all_libraries $USER_LDFLAGS -lz $LIBSOCKET"
kde_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $all_includes $USER_INCLUDES"
AC_TRY_LINK(dnl
[
#include<zlib.h>
],
            [return (zlibVersion() == ZLIB_VERSION); ],
            eval "ac_cv_lib_z='-lz'",
            eval "ac_cv_lib_z=no")
LIBS="$kde_save_LIBS"
CFLAGS="$kde_save_CFLAGS"
])dnl
if eval "test ! \"`echo $ac_cv_lib_z`\" = no"; then
  AC_DEFINE_UNQUOTED(HAVE_LIBZ, 1, [Define if you have libz])
  LIBZ="$ac_cv_lib_z"
  AC_SUBST(LIBZ)
  AC_MSG_RESULT($ac_cv_lib_z)
else
  AC_MSG_ERROR(not found. Check your installation and look into config.log)
  LIBZ=""
  AC_SUBST(LIBZ)
fi
])

AC_DEFUN(KDE_TRY_TIFFLIB,
[
AC_MSG_CHECKING([for libtiff $1])

AC_CACHE_VAL(kde_cv_libtiff_$1,
[
AC_LANG_CPLUSPLUS
kde_save_LIBS="$LIBS"
LIBS="$all_libraries $USER_LDFLAGS -l$1 $LIBJPEG $LIBZ -lX11 $LIBSOCKET -lm"
kde_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $all_includes $USER_INCLUDES"

AC_TRY_LINK(dnl
[
#include<tiffio.h>
],
    [return (TIFFOpen( "", "r") == 0); ],
[
    kde_cv_libtiff_$1="-l$1 $LIBJPEG $LIBZ"
], [
    kde_cv_libtiff_$1=no
])

LIBS="$kde_save_LIBS"
CXXFLAGS="$kde_save_CXXFLAGS"

])

if test "$kde_cv_libtiff_$1" = "no"; then
    AC_MSG_RESULT(no)
    LIBTIFF=""
    $3
else
    LIBTIFF="$kde_cv_libtiff_$1"
    AC_MSG_RESULT(yes)
    AC_DEFINE_UNQUOTED(HAVE_LIBTIFF, 1, [Define if you have libtiff])
    $2
fi

])

AC_DEFUN(AC_FIND_TIFF,
[
AC_REQUIRE([K_PATH_X])
AC_REQUIRE([AC_FIND_ZLIB])
AC_REQUIRE([AC_FIND_JPEG])
AC_REQUIRE([KDE_CHECK_EXTRA_LIBS])

KDE_TRY_TIFFLIB(tiff, [],
   KDE_TRY_TIFFLIB(tiff34))

AC_SUBST(LIBTIFF)
])


AC_DEFUN(AC_FIND_PNG,
[
AC_REQUIRE([KDE_CHECK_EXTRA_LIBS])
AC_REQUIRE([AC_FIND_ZLIB])
AC_MSG_CHECKING([for libpng])
AC_CACHE_VAL(ac_cv_lib_png,
[
kde_save_LIBS="$LIBS"
LIBS="$LIBS $all_libraries $USER_LDFLAGS -lpng $LIBZ -lm -lX11 $LIBSOCKET"
kde_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $all_includes $USER_INCLUDES"
AC_LANG_C
AC_TRY_LINK(dnl
    [
    #include<png.h>
    ],
    [
    png_structp png_ptr = png_create_read_struct(  /* image ptr */
		PNG_LIBPNG_VER_STRING, 0, 0, 0 );
    return( png_ptr != 0 );
    ],
    eval "ac_cv_lib_png='-lpng $LIBZ -lm'",
    eval "ac_cv_lib_png=no"
)
LIBS="$kde_save_LIBS"
CFLAGS="$kde_save_CFLAGS"
])dnl
if eval "test ! \"`echo $ac_cv_lib_png`\" = no"; then
  AC_DEFINE_UNQUOTED(HAVE_LIBPNG, 1, [Define if you have libpng])
  LIBPNG="$ac_cv_lib_png"
  AC_SUBST(LIBPNG)
  AC_MSG_RESULT($ac_cv_lib_png)
else
  AC_MSG_RESULT(no)
  LIBPNG=""
  AC_SUBST(LIBPNG)
fi
])

AC_DEFUN(AC_CHECK_BOOL,
[
	AC_MSG_CHECKING([for bool])
        AC_CACHE_VAL(ac_cv_have_bool,
        [
		AC_LANG_CPLUSPLUS
          	AC_TRY_COMPILE([],
                 [bool aBool = true;],
                 [ac_cv_have_bool="yes"],
                 [ac_cv_have_bool="no"])
        ]) dnl end AC_CHECK_VAL
        AC_MSG_RESULT($ac_cv_have_bool)
        if test "$ac_cv_have_bool" = "yes"; then
        	AC_DEFINE(HAVE_BOOL, 1, [Define if the C++ compiler supports BOOL])
        fi
])

AC_DEFUN(AC_CHECK_GNU_EXTENSIONS,
[
AC_MSG_CHECKING(if you need GNU extensions)
AC_CACHE_VAL(ac_cv_gnu_extensions,
[
cat > conftest.c << EOF
#include <features.h>

#ifdef __GNU_LIBRARY__
yes
#endif
EOF

if (eval "$ac_cpp conftest.c") 2>&5 |
  egrep "yes" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_gnu_extensions=yes
else
  ac_cv_gnu_extensions=no
fi
])

AC_MSG_RESULT($ac_cv_gnu_extensions)
if test "$ac_cv_gnu_extensions" = "yes"; then
  AC_DEFINE_UNQUOTED(_GNU_SOURCE, 1, [Define if you need to use the GNU extensions])
fi
])

AC_DEFUN(KDE_CHECK_COMPILER_FLAG,
[
AC_REQUIRE([AC_CHECK_COMPILERS])
AC_MSG_CHECKING(whether $CXX supports -$1)
kde_cache=`echo $1 | sed 'y%.=/+-%___p_%'`
AC_CACHE_VAL(kde_cv_prog_cxx_$kde_cache,
[
echo 'int main() { return 0; }' >conftest.cc
if test -z "`$CXX -$1 -o conftest conftest.cc 2>&1`"; then
  eval "kde_cv_prog_cxx_$kde_cache=yes"
else
  eval "kde_cv_prog_cxx_$kde_cache=no"
fi
rm -f conftest*
])
if eval "test \"`echo '$kde_cv_prog_cxx_'$kde_cache`\" = yes"; then
 AC_MSG_RESULT(yes)
 :
 $2
else
 AC_MSG_RESULT(no)
 :
 $3
fi
])

AC_DEFUN(KDE_PROG_CC_PG,
[ AC_CACHE_CHECK(whether ${CC-cc} accepts -pg, kde_cv_prog_cc_pg,
  [echo 'void f(){}' > conftest.c
   if test -z "`${CC-cc} -pg -c conftest.c 2>&1`"; then
     kde_cv_prog_cc_pg=yes
   else
     kde_cv_prog_cc_pg=no
   fi
   rm -f conftest*
])])

AC_DEFUN(KDE_PROG_CXX_PG,
[ AC_CACHE_CHECK(whether ${CXX-g++} accepts -pg, kde_cv_prog_cxx_pg,
  [echo 'void f(){}' > conftest.cc
   if test -z "`${CXX-g++} -pg -c conftest.cc 2>&1`"; then
     kde_cv_prog_cxx_pg=yes
   else
     kde_cv_prog_cxx_pg=no
   fi
  rm -f conftest*
])])

AC_DEFUN(AC_CHECK_COMPILERS,
[
  dnl this is somehow a fat lie, but prevents other macros from double checking
  AC_PROVIDE([AC_PROG_CC])
  AC_PROVIDE([AC_PROG_CPP])
  AC_PROVIDE([AC_PROG_CXX])
  AC_PROVIDE([AC_PROG_CXXCPP])

  AC_ARG_ENABLE(debug,[  --enable-debug          creates debugging code [default=no]],
  [
   if test $enableval = "no"; dnl
     then
       kde_use_debug_code="no"
       kde_use_debug_define=yes
     else
       kde_use_debug_code="yes"
       kde_use_debug_define=no
   fi
  ], [kde_use_debug_code="no"
      kde_use_debug_define=no
    ])

  AC_ARG_ENABLE(strict,[  --enable-strict         compiles with strict compiler options (may not work!)],
   [
    if test $enableval = "no"; then
         kde_use_strict_options="no"
       else
         kde_use_strict_options="yes"
    fi
   ], [kde_use_strict_options="no"])

  AC_ARG_ENABLE(profile,[  --enable-profile        creates profiling infos [default=no]],
     [kde_use_profiling=$enableval],
     [kde_use_profiling="no"]
  )

dnl this was AC_PROG_CC. I had to include it manualy, since I had to patch it
  AC_MSG_CHECKING(for a C-Compiler)
  dnl if there is one, print out. if not, don't matter
  AC_MSG_RESULT($CC)

  if test -z "$CC"; then AC_CHECK_PROG(CC, gcc, gcc) fi
  if test -z "$CC"; then AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) fi
  if test -z "$CC"; then AC_CHECK_PROG(CC, xlc, xlc) fi
  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])

  AC_PROG_CC_WORKS
  AC_PROG_CC_GNU

  if test $ac_cv_prog_gcc = yes; then
    GCC=yes
  else
    GCC=
  fi

  if test -z "$CFLAGS"; then
    if test "$kde_use_debug_code" = "yes"; then
      AC_PROG_CC_G
      if test $ac_cv_prog_cc_g = yes; then
	CFLAGS="-g"
	case $host in
   	*-*-linux-gnu)	
           CFLAGS="$CFLAGS -ansi -W -Wall -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -D_XOPEN_SOURCE -D_BSD_SOURCE"
         ;;
        esac
      fi
    else
      if test "$GCC" = "yes"; then
        CFLAGS="-O2"
      else
        CFLAGS=""
      fi
      if test "$kde_use_debug_define" = "yes"; then
         CFLAGS="$CFLAGS -DNDEBUG"
      fi
    fi

    if test "$kde_use_profiling" = yes; then
      KDE_PROG_CC_PG
      if test "$kde_cv_prog_cc_pg" = yes; then
        CFLAGS="$CFLAGS -pg"
      fi
    fi

    if test "$GCC" = "yes"; then
     CFLAGS="$CFLAGS"

     if test "$kde_use_strict_options" = "yes"; then
	CFLAGS="$CFLAGS -W -Wall -ansi -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings"
     fi
    fi

  fi

  case "$host" in
  *-*-sysv4.2uw*) CFLAGS="$CFLAGS -D_UNIXWARE";;
  esac

  if test -z "$LDFLAGS" && test "$kde_use_debug_code" = "no" && test "$GCC" = "yes"; then
     LDFLAGS=""
  fi


dnl this is AC_PROG_CPP. I had to include it here, since autoconf checks
dnl dependecies between AC_PROG_CPP and AC_PROG_CC (or is it automake?)

  AC_MSG_CHECKING(how to run the C preprocessor)
  # On Suns, sometimes $CPP names a directory.
  if test -n "$CPP" && test -d "$CPP"; then
    CPP=
  fi
  if test -z "$CPP"; then
  AC_CACHE_VAL(ac_cv_prog_CPP,
  [  # This must be in double quotes, not single quotes, because CPP may get
    # substituted into the Makefile and "${CC-cc}" will confuse make.
    CPP="${CC-cc} -E"
    # On the NeXT, cc -E runs the code through the compiler's parser,
    # not just through cpp.
    dnl Use a header file that comes with gcc, so configuring glibc
    dnl with a fresh cross-compiler works.
    AC_TRY_CPP([#include <assert.h>
    Syntax Error], ,
    CPP="${CC-cc} -E -traditional-cpp"
    AC_TRY_CPP([#include <assert.h>
    Syntax Error], , CPP=/lib/cpp))
    ac_cv_prog_CPP="$CPP"])dnl
    CPP="$ac_cv_prog_CPP"
  else
    ac_cv_prog_CPP="$CPP"
  fi
  AC_MSG_RESULT($CPP)
  AC_SUBST(CPP)dnl


  AC_MSG_CHECKING(for a C++-Compiler)
  dnl if there is one, print out. if not, don't matter
  AC_MSG_RESULT($CXX)

  if test -z "$CXX"; then AC_CHECK_PROG(CXX, g++, g++) fi
  if test -z "$CXX"; then AC_CHECK_PROG(CXX, CC, CC) fi
  if test -z "$CXX"; then AC_CHECK_PROG(CXX, xlC, xlC) fi
  if test -z "$CXX"; then AC_CHECK_PROG(CXX, DCC, DCC) fi
  test -z "$CXX" && AC_MSG_ERROR([no acceptable C++-compiler found in \$PATH])

  AC_PROG_CXX_WORKS
  AC_PROG_CXX_GNU

  if test $ac_cv_prog_gxx = yes; then
    GXX=yes
  fi

  if test -z "$CXXFLAGS"; then
    if test "$kde_use_debug_code" = "yes"; then
      AC_PROG_CXX_G
      if test $ac_cv_prog_cxx_g = yes; then
        CXXFLAGS="-g"
	case $host in  dnl
   	*-*-linux-gnu)
           CXXFLAGS="$CXXFLAGS -ansi -D_XOPEN_SOURCE -D_BSD_SOURCE -Wbad-function-cast -Wcast-align -Wundef -Wconversion"
         ;;
        esac
      fi
    else
      if test "$GXX" = "yes"; then
         CXXFLAGS="-O2"
      fi
      if test "$kde_use_debug_define" = "yes"; then
         CXXFLAGS="$CXXFLAGS -DNDEBUG"
      fi
    fi

    if test "$kde_use_profiling" = yes; then
      KDE_PROG_CXX_PG
      if test "$kde_cv_prog_cxx_pg" = yes; then
        CXXFLAGS="$CXXFLAGS -pg"
      fi
    fi

    KDE_CHECK_COMPILER_FLAG(fno-exceptions,
	[
	  CXXFLAGS="$CXXFLAGS -fno-exceptions"
	])

dnl WABA: Nothing wrong with RTTI, keep it on.
dnl    KDE_CHECK_COMPILER_FLAG(fno-rtti,
dnl	[
dnl	  CXXFLAGS="$CXXFLAGS -fno-rtti"
dnl	])

    KDE_CHECK_COMPILER_FLAG(fno-check-new,
	[
	  CXXFLAGS="$CXXFLAGS -fno-check-new"