400 lines
12 KiB
Plaintext
400 lines
12 KiB
Plaintext
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dnl ---------------------------------------------------------------------------
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dnl
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dnl Purpose: Cursom macros for autoconf configure script.
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dnl Author: Vadim Zeitlin
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dnl Created: 26.05.99
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dnl Version: $Id$
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dnl ---------------------------------------------------------------------------
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dnl ===========================================================================
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dnl GKT+ version test
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dnl ===========================================================================
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dnl ---------------------------------------------------------------------------
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dnl AM_PATH_GTK([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for GTK, and define GTK_CFLAGS and GTK_LIBS. Uses variables
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dnl gtk_config_prefix and/or gtk_config_exec_prefix if defined.
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dnl ---------------------------------------------------------------------------
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dnl
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AC_DEFUN(AM_PATH_GTK,
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[
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if test x$gtk_config_exec_prefix != x ; then
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gtk_config_args="$gtk_config_args --exec-prefix=$gtk_config_exec_prefix"
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if test x${GTK_CONFIG+set} != xset ; then
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GTK_CONFIG=$gtk_config_exec_prefix/bin/gtk-config
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fi
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fi
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if test x$gtk_config_prefix != x ; then
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gtk_config_args="$gtk_config_args --prefix=$gtk_config_prefix"
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if test x${GTK_CONFIG+set} != xset ; then
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GTK_CONFIG=$gtk_config_prefix/bin/gtk-config
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fi
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fi
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AC_PATH_PROG(GTK_CONFIG, gtk-config, no)
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min_gtk_version=ifelse([$1], ,0.99.7,$1)
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AC_MSG_CHECKING(for GTK - version >= $min_gtk_version)
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no_gtk=""
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if test "$GTK_CONFIG" != "no" ; then
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GTK_CFLAGS=`$GTK_CONFIG --cflags`
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GTK_LIBS=`$GTK_CONFIG --libs`
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ac_save_CFLAGS="$CFLAGS"
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ac_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $GTK_CFLAGS"
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LIBS="$LIBS $GTK_LIBS"
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dnl
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dnl Now check if the installed GTK is sufficiently new. (Also sanity
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dnl checks the results of gtk-config to some extent)
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dnl
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AC_TRY_RUN([
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#include <gtk/gtk.h>
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#include <stdio.h>
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int
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main ()
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{
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int major, minor, micro;
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if (sscanf("$min_gtk_version", "%d.%d.%d", &major, &minor, µ) != 3) {
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printf("%s, bad version string\n", "$min_gtk_version");
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exit(1);
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}
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if (gtk_minor_version == 1) return FALSE;
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return !((gtk_major_version > major) ||
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((gtk_major_version == major) && (gtk_minor_version > minor)) ||
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((gtk_major_version == major) && (gtk_minor_version == minor) && (gtk_micro_version >= micro)));
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}
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],, no_gtk=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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else
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no_gtk=yes
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fi
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if test "x$no_gtk" = x ; then
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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GTK_CFLAGS=""
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GTK_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(GTK_CFLAGS)
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AC_SUBST(GTK_LIBS)
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])
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dnl ===========================================================================
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dnl macros to find the a file in the list of include/lib paths
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dnl ===========================================================================
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dnl ---------------------------------------------------------------------------
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dnl call WX_PATH_FIND_INCLUDES(search path, header name), sets ac_find_includes
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dnl to the full name of the file that was found or leaves it empty if not found
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dnl ---------------------------------------------------------------------------
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AC_DEFUN(WX_PATH_FIND_INCLUDES,
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[
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ac_find_includes=
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for ac_dir in $1;
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do
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if test -f "$ac_dir/$2"; then
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ac_find_includes=$ac_dir
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break
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fi
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done
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])
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dnl ---------------------------------------------------------------------------
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dnl call WX_PATH_FIND_LIBRARIES(search path, header name), sets ac_find_includes
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dnl to the full name of the file that was found or leaves it empty if not found
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dnl ---------------------------------------------------------------------------
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AC_DEFUN(WX_PATH_FIND_LIBRARIES,
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[
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ac_find_libraries=
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for ac_dir in $1;
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do
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for ac_extension in a so sl; do
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if test -f "$ac_dir/lib$2.$ac_extension"; then
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ac_find_libraries=$ac_dir
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break 2
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fi
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done
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done
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])
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dnl ---------------------------------------------------------------------------
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dnl Path to include, already defined
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dnl ---------------------------------------------------------------------------
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AC_DEFUN(WX_INCLUDE_PATH_EXIST,
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[
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ac_path_to_include=$1
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echo "$2" | grep "\-I$1" > /dev/null
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result=$?
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if test $result = 0; then
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ac_path_to_include=""
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else
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ac_path_to_include="-I$1"
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fi
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])
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dnl ---------------------------------------------------------------------------
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dnl Path to link, already defined
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dnl ---------------------------------------------------------------------------
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AC_DEFUN(WX_LINK_PATH_EXIST,
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[
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echo "$2" | grep "\-L$1" > /dev/null
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result=$?
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if test $result = 0; then
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ac_path_to_link=""
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else
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ac_path_to_link="-L$1"
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fi
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])
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dnl ===========================================================================
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dnl C++ features test
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dnl ===========================================================================
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dnl ---------------------------------------------------------------------------
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dnl WX_CPP_NEW_HEADERS checks whether the compiler has "new" <iostream> header
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dnl or only the old <iostream.h> one - it may be generally assumed that if
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dnl <iostream> exists, the other "new" headers (without .h) exist too.
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dnl
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dnl call WX_CPP_NEW_HEADERS(actiof-if-true, action-if-false-or-cross-compiling)
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dnl ---------------------------------------------------------------------------
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AC_DEFUN(WX_CPP_NEW_HEADERS,
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[
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if test "$cross_compiling" = "yes"; then
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ifelse([$2], , :, [$2])
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else
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_CHECK_HEADERS(iostream)
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if test "x$HAVE_IOSTREAM" = x ; then
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ifelse([$2], , :, [$2])
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else
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ifelse([$1], , :, [$1])
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fi
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AC_LANG_RESTORE
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fi
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])
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dnl ---------------------------------------------------------------------------
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dnl WX_CPP_BOOL checks whether the C++ compiler has a built in bool type
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dnl
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dnl call WX_CPP_BOOL - will define HAVE_BOOL if the compiler supports bool
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dnl ---------------------------------------------------------------------------
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AC_DEFUN(WX_CPP_BOOL,
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[
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AC_CACHE_CHECK([if C++ compiler supports bool], wx_cv_cpp_bool,
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[
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_RUN([
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int main()
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{
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bool b = true;
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return 0;
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}
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],
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[
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AC_DEFINE(HAVE_BOOL)
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wx_cv_cpp_bool=yes
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],
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wx_cv_cpp_bool=no,
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wx_cv_cpp_bool=no
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)
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AC_LANG_RESTORE
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])
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if test "$wx_cv_cpp_bool" = "yes"; then
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AC_DEFINE(HAVE_BOOL)
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fi
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])
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dnl ---------------------------------------------------------------------------
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dnl WX_CPP_SIZE_T_IS_NOT_INT checks whether size_t and int are different types,
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dnl i.e. whether we may overload operator[] on its argument type
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dnl ---------------------------------------------------------------------------
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AC_DEFUN(WX_CPP_SIZE_T_IS_NOT_INT,
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[
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AC_CACHE_CHECK([if size_t and int are different types], wx_cv_cpp_sizet_not_int,
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[
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_RUN([
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#include <stdlib.h>
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class S
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{
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public:
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S(char *s) { m_s = s; }
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char operator[](size_t n) const { return m_s[n]; }
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char operator[](int n) const { return m_s[n]; }
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private:
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char *m_s;
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};
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int main()
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{
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S s("dummy");
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size_t n1 = 2;
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int n2 = 3;
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return s[n1] == s[n2];
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}
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],
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AC_DEFINE(wxUSE_SIZE_T_STRING_OPERATOR) wx_cv_cpp_sizet_not_int=yes,
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wx_cv_cpp_sizet_not_int=no,
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wx_cv_cpp_sizet_not_int=no
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)
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AC_LANG_RESTORE
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])
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])
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dnl ---------------------------------------------------------------------------
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dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling
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dnl ---------------------------------------------------------------------------
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AC_DEFUN(WX_C_BIGENDIAN,
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[AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian,
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[ac_cv_c_bigendian=unknown
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# See if sys/param.h defines the BYTE_ORDER macro.
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AC_TRY_COMPILE([#include <sys/types.h>
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#include <sys/param.h>], [
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#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
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bogus endian macros
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#endif], [# It does; now see whether it defined to BIG_ENDIAN or not.
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AC_TRY_COMPILE([#include <sys/types.h>
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#include <sys/param.h>], [
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#if BYTE_ORDER != BIG_ENDIAN
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not big endian
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#endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
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if test $ac_cv_c_bigendian = unknown; then
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AC_TRY_RUN([main () {
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/* Are we little or big endian? From Harbison&Steele. */
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union
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{
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long l;
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char c[sizeof (long)];
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} u;
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u.l = 1;
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exit (u.c[sizeof (long) - 1] == 1);
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}], ac_cv_c_bigendian=no, ac_cv_c_bigendian=yes, ac_cv_c_bigendian=unknown)
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fi])
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if test $ac_cv_c_bigendian = unknown; then
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AC_MSG_WARN([Assuming little-endian target machine - this may be overriden by adding the line "ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}" to config.cache file])
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fi
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if test $ac_cv_c_bigendian = yes; then
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AC_DEFINE(WORDS_BIGENDIAN)
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fi
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])
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dnl ---------------------------------------------------------------------------
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dnl override AC_ARG_ENABLE/WITH to cache the results in .cache file
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dnl ---------------------------------------------------------------------------
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AC_DEFUN(WX_ARG_CACHE_INIT,
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[
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wx_arg_cache_file="configarg.cache"
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echo "loading argument cache $wx_arg_cache_file"
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rm -f ${wx_arg_cache_file}.tmp
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touch ${wx_arg_cache_file}.tmp
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touch ${wx_arg_cache_file}
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])
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AC_DEFUN(WX_ARG_CACHE_FLUSH,
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[
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echo "saving argument cache $wx_arg_cache_file"
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mv ${wx_arg_cache_file}.tmp ${wx_arg_cache_file}
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])
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dnl this macro checks for a command line argument and caches the result
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dnl usage: WX_ARG_WITH(option, helpmessage, variable-name)
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AC_DEFUN(WX_ARG_WITH,
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[
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AC_MSG_CHECKING("for --with-$1")
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no_cache=0
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AC_ARG_WITH($1, $2,
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[
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if test "$withval" = yes; then
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ac_cv_use_$1='$3=yes'
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else
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ac_cv_use_$1='$3=no'
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fi
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],
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[
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LINE=`grep "$3" ${wx_arg_cache_file}`
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if test "x$LINE" != x ; then
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eval "DEFAULT_$LINE"
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else
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no_cache=1
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fi
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ac_cv_use_$1='$3='$DEFAULT_$3
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])
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eval "$ac_cv_use_$1"
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if test "$no_cache" != 1; then
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echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
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fi
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if test "$$3" = yes; then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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])
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dnl like WX_ARG_WITH but uses AC_ARG_ENABLE instead of AC_ARG_WITH
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dnl usage: WX_ARG_ENABLE(option, helpmessage, variable-name)
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AC_DEFUN(WX_ARG_ENABLE,
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[
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AC_MSG_CHECKING("for --enable-$1")
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no_cache=0
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AC_ARG_ENABLE($1, $2,
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[
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if test "$enableval" = yes; then
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ac_cv_use_$1='$3=yes'
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else
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ac_cv_use_$1='$3=no'
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fi
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],
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[
|
||
|
|
LINE=`grep "$3" ${wx_arg_cache_file}`
|
||
|
|
if test "x$LINE" != x ; then
|
||
|
|
eval "DEFAULT_$LINE"
|
||
|
|
else
|
||
|
|
no_cache=1
|
||
|
|
fi
|
||
|
|
|
||
|
|
ac_cv_use_$1='$3='$DEFAULT_$3
|
||
|
|
])
|
||
|
|
|
||
|
|
eval "$ac_cv_use_$1"
|
||
|
|
if test "$no_cache" != 1; then
|
||
|
|
echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
|
||
|
|
fi
|
||
|
|
|
||
|
|
if test "$$3" = yes; then
|
||
|
|
AC_MSG_RESULT(yes)
|
||
|
|
else
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
fi
|
||
|
|
])
|
||
|
|
|