aclocal.m4

bookcase,by shell script and c++ and perl

AC_LANG_RESTORE
])

AC_MSG_RESULT($kde_cv_func_$1)

AC_MSG_CHECKING([if $1 needs custom prototype])
AC_CACHE_VAL(kde_cv_proto_$1,
[
if test "x$kde_cv_func_$1" = xyes; then
  kde_cv_proto_$1=no
else
  case "$1" in
	setenv|unsetenv|usleep|getdomainname|random|srandom|seteuid|mkstemps|mkstemp|revoke|vsnprintf|strlcpy|strlcat)
		kde_cv_proto_$1="yes - in libkdefakes"
		;;
	*)
		kde_cv_proto_$1=unknown
		;;
  esac
fi

if test "x$kde_cv_proto_$1" = xunknown; then

AC_LANG_SAVE
AC_LANG_CPLUSPLUS
  kde_safe_libs=$LIBS
  LIBS="$LIBS $X_EXTRA_LIBS"
  AC_TRY_LINK([
$2

extern "C" $4;
],
[
$3
],
[ kde_cv_func_$1=yes
  kde_cv_proto_$1=yes ],
  [kde_cv_proto_$1="$1 unavailable"]
)
LIBS=$kde_safe_libs
AC_LANG_RESTORE
fi
])
AC_MSG_RESULT($kde_cv_proto_$1)

if test "x$kde_cv_func_$1" = xyes; then
  AC_DEFINE(HAVE_$5, 1, [Define if you have $1])
  $6
fi
if test "x$kde_cv_proto_$1" = xno; then
  AC_DEFINE(HAVE_$5_PROTO, 1,
  [Define if you have the $1 prototype])
fi

AH_VERBATIM([_HAVE_$5_PROTO],
[
#if !defined(HAVE_$5_PROTO)
#ifdef __cplusplus
extern "C"
#endif
$4;
#endif
])
])

AC_DEFUN(AC_CHECK_SETENV,
[
	KDE_CHECK_FUNC_EXT(setenv, [
#include <stdlib.h>
], 
		[setenv("VAR", "VALUE", 1);],
	        [int setenv (const char *, const char *, int)],
		[SETENV])
])

AC_DEFUN(AC_CHECK_UNSETENV,
[
	KDE_CHECK_FUNC_EXT(unsetenv, [
#include <stdlib.h>
], 
		[unsetenv("VAR");],
	        [void unsetenv (const char *)],
		[UNSETENV])
])

AC_DEFUN(AC_CHECK_GETDOMAINNAME,
[
	KDE_CHECK_FUNC_EXT(getdomainname, [
#include <stdlib.h>
#include <unistd.h>
], 
		[
char buffer[200];
getdomainname(buffer, 200);
], 	
	        [int getdomainname (char *, unsigned int)],
		[GETDOMAINNAME])
])

AC_DEFUN(AC_CHECK_GETHOSTNAME,
[
	KDE_CHECK_FUNC_EXT(gethostname, [
#include <stdlib.h>
#include <unistd.h>
], 
		[
char buffer[200];
gethostname(buffer, 200);
], 	
	        [int gethostname (char *, unsigned int)],
		[GETHOSTNAME])
])

AC_DEFUN(AC_CHECK_USLEEP,
[
	KDE_CHECK_FUNC_EXT(usleep, [
#include <unistd.h>
], 
		[
usleep(200);
], 	
	        [int usleep (unsigned int)],
		[USLEEP])
])


AC_DEFUN(AC_CHECK_RANDOM,
[
	KDE_CHECK_FUNC_EXT(random, [
#include <stdlib.h>
], 
		[
random();
], 	
	        [long int random(void)],
		[RANDOM])

	KDE_CHECK_FUNC_EXT(srandom, [
#include <stdlib.h>
], 
		[
srandom(27);
], 	
	        [void srandom(unsigned int)],
		[SRANDOM])

])

AC_DEFUN(AC_CHECK_INITGROUPS,
[
	KDE_CHECK_FUNC_EXT(initgroups, [
#include <sys/types.h>
#include <unistd.h>
#include <grp.h>
],
	[
char buffer[200];
initgroups(buffer, 27);
],
	[int initgroups(const char *, gid_t)],
	[INITGROUPS])
])

AC_DEFUN(AC_CHECK_MKSTEMPS,
[
	KDE_CHECK_FUNC_EXT(mkstemps, [
#include <stdlib.h>
#include <unistd.h>
],
	[
mkstemps("/tmp/aaaXXXXXX", 6);
],
	[int mkstemps(char *, int)],
	[MKSTEMPS])
])

AC_DEFUN(AC_CHECK_RES_INIT,
[
	KDE_CHECK_FUNC_EXT(res_init, [
#include <resolv.h>
],
[ 
res_init(); 
],
 	[int res_init (void)],
	[RES_INIT])
])

AC_DEFUN(AC_CHECK_STRLCPY,
[
	KDE_CHECK_FUNC_EXT(strlcpy, [
#include <string.h>
],
[ char buf[20];
  strlcpy(buf, "KDE function test", sizeof(buf));
],
 	[unsigned int strlcpy(char*, const char*, unsigned int)],
	[STRLCPY])
])

AC_DEFUN(AC_CHECK_STRLCAT,
[
	KDE_CHECK_FUNC_EXT(strlcat, [
#include <string.h>
],
[ char buf[20];
  buf[0]='\0';
  strlcat(buf, "KDE function test", sizeof(buf));
],
 	[unsigned int strlcat(char*, const char*, unsigned int)],
	[STRLCAT])
])

AC_DEFUN(AC_FIND_GIF,
   [AC_MSG_CHECKING([for giflib])
AC_CACHE_VAL(ac_cv_lib_gif,
[ac_save_LIBS="$LIBS"
if test "x$kde_use_qt_emb" != "xyes"; then
LIBS="$all_libraries -lgif -lX11 $LIBSOCKET"
else
LIBS="$all_libraries -lgif"
fi
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$2 -lm"
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $all_includes $USER_INCLUDES"
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"
CFLAGS="$ac_save_CFLAGS"
])

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,
[
dnl first look for libraries
KDE_FIND_JPEG_HELPER(6b, 6b,
   KDE_FIND_JPEG_HELPER(normal, [],
    [
       LIBJPEG=
    ]
   )
)

dnl then search the headers (can't use simply AC_TRY_xxx, as jpeglib.h
dnl requires system dependent includes loaded before it)
jpeg_incdirs="$includedir /usr/include /usr/local/include $kde_extra_includes"
AC_FIND_FILE(jpeglib.h, $jpeg_incdirs, jpeg_incdir)
test "x$jpeg_incdir" = xNO && jpeg_incdir=

dnl if headers _and_ libraries are missing, this is no error, and we
dnl continue with a warning (the user will get no jpeg support in khtml)
dnl if only one is missing, it means a configuration error, but we still
dnl only warn
if test -n "$jpeg_incdir" && test -n "$LIBJPEG" ; then
  AC_DEFINE_UNQUOTED(HAVE_LIBJPEG, 1, [Define if you have libjpeg])
else
  if test -n "$jpeg_incdir" || test -n "$LIBJPEG" ; then
    AC_MSG_WARN([
There is an installation error in jpeg support. You seem to have only one
of either the headers _or_ the libraries installed. You may need to either
provide correct --with-extra-... options, or the development package of
libjpeg6b. You can get a source package of libjpeg from http://www.ijg.org/
Disabling JPEG support.
])
  else
    AC_MSG_WARN([libjpeg not found. disable JPEG support.])
  fi
  jpeg_incdir=
  LIBJPEG=
fi

AC_SUBST(LIBJPEG)
AH_VERBATIM(_AC_CHECK_JPEG,
[/*
 * jpeg.h needs HAVE_BOOLEAN, when the system uses boolean in system
 * headers and I'm too lazy to write a configure test as long as only
 * unixware is related
 */
#ifdef _UNIXWARE
#define HAVE_BOOLEAN
#endif
])
])

AC_DEFUN(KDE_CHECK_QT_JPEG,
[
AC_MSG_CHECKING([if Qt needs $LIBJPEG])
AC_CACHE_VAL(kde_cv_qt_jpeg,
[
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
ac_save_LIBS="$LIBS"
LIBS="$all_libraries $USER_LDFLAGS $LIBQT"
LIBS=`echo $LIBS | sed "s/$LIBJPEG//"`
ac_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS $all_includes $USER_INCLUDES"
AC_TRY_LINK(
[#include <qapplication.h>],
            [
            int argc;
            char** argv;
            QApplication app(argc, argv);],
            eval "kde_cv_qt_jpeg=no",
            eval "kde_cv_qt_jpeg=yes")
LIBS="$ac_save_LIBS"
CXXFLAGS="$ac_save_CXXFLAGS"
AC_LANG_RESTORE
])

if eval "test ! \"`echo $kde_cv_qt_jpeg`\" = no"; then
  AC_MSG_RESULT(yes)
  LIBJPEG_QT='$(LIBJPEG)'
else
  AC_MSG_RESULT(no)
  LIBJPEG_QT=
fi

])

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="$kde_save_CFLAGS"
])dnl
if test ! "$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_$1,
[
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
kde_save_LIBS="$LIBS"
if test "x$kde_use_qt_emb" != "xyes"; then
LIBS="$all_libraries $USER_LDFLAGS -l$1 $LIBJPEG $LIBZ -lX11 $LIBSOCKET -lm"
else
LIBS="$all_libraries $USER_LDFLAGS -l$1 $LIBJPEG $LIBZ -lm"
fi
kde_save_CXXFLAGS="$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"
AC_LANG_RESTORE
])

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="$LIBS"
if test "x$kde_use_qt_emb" != "xyes"; then
LIBS="$LIBS $all_libraries $USER_LDFLAGS -lpng $LIBZ -lm -lX11 $LIBSOCKET"
else
LIBS="$LIBS $all_libraries $USER_LDFLAGS -lpng $LIBZ -lm"
fi
kde_save_CFLAGS="$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"