4c51a665c6
Applied patch by snowleopard2 fixing a bunch of typos such as misspellings and double words in the documentation. Combined the patch with some local queued typos waiting to be committed as well as adding new typo fixes inspired by the patch.
Function names with American spelling were not changed nor was third-party code touched. The only code changes involve some changes in strings that are translated ("Can not" -> "Cannot").
Closes #13063 (again).
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67280 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
710 lines
24 KiB
Plaintext
710 lines
24 KiB
Plaintext
dnl ---------------------------------------------------------------------------
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dnl
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dnl Macros for configure.in for wxWindows by Robert Roebling, Phil Blecker,
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dnl Vadim Zeitlin and Ron Lee
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dnl
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dnl This script is under the wxWindows licence.
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dnl
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dnl Version: $Id$
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dnl ---------------------------------------------------------------------------
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dnl ===========================================================================
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dnl Objective-C(++) related macros
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dnl ===========================================================================
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m4_define([AC_WX_LANG_OBJECTIVEC],
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[AC_LANG(C)
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ac_ext=m
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])
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m4_define([AC_WX_LANG_OBJECTIVECPLUSPLUS],
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[AC_LANG(C++)
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ac_ext=mm
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])
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dnl ===========================================================================
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dnl macros to find 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 $1 /usr/include
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do
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if test -f "$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, lib name), sets ac_find_libraries
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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 $1
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do
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for ac_extension in a so sl dylib dll.a; do
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if test -f "$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 return list of standard library paths
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dnl ---------------------------------------------------------------------------
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dnl return all default locations:
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dnl - /usr/lib: standard
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dnl - /usr/lib32: n32 ABI on IRIX
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dnl - /usr/lib64: n64 ABI on IRIX
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dnl - /usr/lib/64: 64 bit ABI on Solaris and Linux x86-64
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dnl
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dnl NB: if any of directories in the list is not a subdir of /usr, code setting
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dnl wx_cv_std_libpath needs to be updated
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AC_DEFUN([WX_STD_LIBPATH], [/usr/lib /usr/lib32 /usr/lib/64 /usr/lib64])
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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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dnl never add -I/usr/include to the CPPFLAGS
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if test "x$1" = "x/usr/include"; then
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ac_path_to_include=""
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else
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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$1"
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fi
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fi
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])
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dnl ---------------------------------------------------------------------------
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dnl Usage: WX_LINK_PATH_EXIST(path, libpath)
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dnl
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dnl Set ac_path_to_link to nothing if path is already in libpath of to -Lpath
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dnl if it is not, so that libpath can be set to "$libpath$ac_path_to_link"
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dnl after calling this function
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([WX_LINK_PATH_EXIST],
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[
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dnl never add -L/usr/libXXX explicitly to libpath
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if test "$1" = "default location"; then
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ac_path_to_link=""
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else
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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$1"
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fi
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fi
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])
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dnl ===========================================================================
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dnl C++ features test
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dnl ===========================================================================
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dnl ---------------------------------------------------------------------------
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dnl WX_CPP_NEW_HEADERS checks whether the compiler has "new" <iostream> header
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dnl or only the old <iostream.h> one - it may be generally assumed that if
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dnl <iostream> exists, the other "new" headers (without .h) exist too.
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dnl
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dnl call WX_CPP_NEW_HEADERS(actiof-if-true, action-if-false)
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([WX_CPP_NEW_HEADERS],
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[
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_CHECK_HEADERS([iostream],,, [ ])
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if test "$ac_cv_header_iostream" = "yes" ; then
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ifelse([$1], , :, [$1])
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else
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ifelse([$2], , :, [$2])
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fi
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AC_LANG_RESTORE
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])
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dnl ---------------------------------------------------------------------------
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dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit
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dnl keyword and defines HAVE_EXPLICIT if this is the case
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([WX_CPP_EXPLICIT],
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[
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AC_CACHE_CHECK([if C++ compiler supports the explicit keyword],
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wx_cv_explicit,
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[
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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dnl do the test in 2 steps: first check that the compiler knows about the
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dnl explicit keyword at all and then verify that it really honours it
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AC_TRY_COMPILE(
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[
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class Foo { public: explicit Foo(int) {} };
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],
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[
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return 0;
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],
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[
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AC_TRY_COMPILE(
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[
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class Foo { public: explicit Foo(int) {} };
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static void TakeFoo(const Foo& foo) { }
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],
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[
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TakeFoo(17);
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return 0;
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],
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wx_cv_explicit=no,
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wx_cv_explicit=yes
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)
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],
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wx_cv_explicit=no
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)
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AC_LANG_RESTORE
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])
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if test "$wx_cv_explicit" = "yes"; then
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AC_DEFINE(HAVE_EXPLICIT)
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fi
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])
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dnl ---------------------------------------------------------------------------
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dnl WX_CHECK_FUNCS(FUNCTIONS...,
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dnl [ACTION-IF-FOUND],
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dnl [ACTION-IF-NOT-FOUND],
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dnl [EXTRA-DEFINES-AND-INCLUDES],
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dnl [EXTRA-TEST-CODE])
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dnl
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dnl Checks that the functions listed in FUNCTIONS exist in the headers and the
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dnl libs. For each function, if it is found then defines 'HAVE_FUNCTION' and
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dnl executes ACTION-IF-FOUND, otherwise executes ACTION-IF-NOT-FOUND.
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dnl
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dnl The code from EXTRA-DEFINES-AND-INCLUDES is inserted into the test before
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dnl the default headers are included, and EXTRA-TEST-CODE is inserted into
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dnl the main() function after the default test for existence.
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dnl
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dnl Examples:
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dnl # the simple case
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dnl WX_CHECK_FUNCS(stat)
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dnl # use break to finish the loop early
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dnl WX_CHECK_FUNCS(mkstemp mktemp, break)
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dnl # extra defines
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dnl WX_CHECK_FUNCS(strtok_r, [], [], [#define _RREENTRANT])
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dnl # extra includes
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dnl WX_CHECK_FUNCS(swprintf, [], [], [#include <wchar.h>])
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dnl # checking the signature with extra test code
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dnl WX_CHECK_FUNCS(gettimeofday, [], [], [#include <sys/time.h>]
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dnl [struct timeval tv; struct timezone tz; gettimeofday(&tv, &tz)])
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([WX_CHECK_FUNCS],
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[
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for wx_func in $1
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do
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AC_CACHE_CHECK(
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[for $wx_func],
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[wx_cv_func_$wx_func],
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[
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AC_LINK_IFELSE(
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[
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AC_LANG_PROGRAM(
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[
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$4
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AC_INCLUDES_DEFAULT
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],
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[
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#ifndef $wx_func
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&$wx_func;
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#endif
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$5
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])
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],
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[eval wx_cv_func_$wx_func=yes],
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[eval wx_cv_func_$wx_func=no])
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])
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if eval test \$wx_cv_func_$wx_func = yes
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then
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AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$wx_func]))
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$2
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else
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:
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$3
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fi
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done
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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 $ac_cv_c_bigendian = unknown; then
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AC_MSG_WARN([Assuming little-endian target machine - this may be overridden by adding the line "ac_cv_c_bigendian=${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 handle options defaults
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dnl ---------------------------------------------------------------------------
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dnl this macro checks for a three-valued command line --with argument:
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dnl possible arguments are 'yes', 'no', 'sys', or 'builtin'
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dnl usage: WX_ARG_SYS_WITH(option, helpmessage, variable-name)
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dnl
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dnl the default value (used if the option is not specified at all) is the value
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dnl of wxUSE_ALL_FEATURES (which is "yes" by default but can be changed by
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dnl giving configure --disable-all-features option)
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AC_DEFUN([WX_ARG_SYS_WITH],
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[
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AC_MSG_CHECKING([for --with-$1])
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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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AS_TR_SH(wx_cv_use_$1)='$3=yes'
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elif test "$withval" = no; then
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AS_TR_SH(wx_cv_use_$1)='$3=no'
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elif test "$withval" = sys; then
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AS_TR_SH(wx_cv_use_$1)='$3=sys'
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elif test "$withval" = builtin; then
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AS_TR_SH(wx_cv_use_$1)='$3=builtin'
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else
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AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
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fi
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],
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[
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AS_TR_SH(wx_cv_use_$1)='$3=${'DEFAULT_$3":-$wxUSE_ALL_FEATURES}"
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])
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eval "$AS_TR_SH(wx_cv_use_$1)"
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if test "$$3" = yes; then
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AC_MSG_RESULT(yes)
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elif test "$$3" = no; then
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AC_MSG_RESULT(no)
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elif test "$$3" = sys; then
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AC_MSG_RESULT([system version])
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elif test "$$3" = builtin; then
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AC_MSG_RESULT([builtin version])
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else
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AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
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fi
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])
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dnl this macro simply checks for a command line argument
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dnl usage: WX_ARG_WITH(option, helpmessage, variable-name, [withstring])
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AC_DEFUN([WX_ARG_WITH],
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[
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withstring=$4
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defaultval=$wxUSE_ALL_FEATURES
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if test -z "$defaultval"; then
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if test x"$withstring" = xwithout; then
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defaultval=yes
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else
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defaultval=no
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fi
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fi
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AC_MSG_CHECKING([for --${withstring:-with}-$1])
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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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AS_TR_SH(wx_cv_use_$1)='$3=yes'
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else
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AS_TR_SH(wx_cv_use_$1)='$3=no'
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fi
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],
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[
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AS_TR_SH(wx_cv_use_$1)='$3=${'DEFAULT_$3":-$defaultval}"
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])
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eval "$AS_TR_SH(wx_cv_use_$1)"
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if test x"$withstring" = xwithout; then
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if test $$3 = yes; then
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result=no
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else
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result=yes
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fi
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else
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result=$$3
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fi
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AC_MSG_RESULT($result)
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])
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dnl same as WX_ARG_WITH but makes it clear that the option is enabled by default
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AC_DEFUN([WX_ARG_WITHOUT], [WX_ARG_WITH($1, [$2], $3, without)])
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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, var, [enablestring], [default])
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dnl
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dnl enablestring can be omitted or a literal string "disable" and allows to
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dnl show "checking for --disable-foo" message when running configure instead of
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dnl the default "checking for --enable-foo" one whih is useful for the options
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dnl enabled by default
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dnl
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dnl the "default" argument can be omitted or contain the default value to use
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dnl for the option if it's unspecified
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AC_DEFUN([WX_ARG_ENABLE],
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[
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enablestring=$4
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defaultval=$5
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if test -z "$defaultval"; then
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if test x"$enablestring" = xdisable; then
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defaultval=yes
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else
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defaultval=no
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fi
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fi
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AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
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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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AS_TR_SH(wx_cv_use_$1)='$3=yes'
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else
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AS_TR_SH(wx_cv_use_$1)='$3=no'
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fi
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],
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[
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AS_TR_SH(wx_cv_use_$1)='$3=${'DEFAULT_$3":-$defaultval}"
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])
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eval "$AS_TR_SH(wx_cv_use_$1)"
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if test x"$enablestring" = xdisable; then
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if test $$3 = no; then
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result=yes
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else
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result=no
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fi
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else
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result=$$3
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fi
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AC_MSG_RESULT($result)
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])
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dnl the same as WX_ARG_ENABLE but makes it more clear that the option is
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dnl enabled by default
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AC_DEFUN([WX_ARG_DISABLE], [WX_ARG_ENABLE($1, [$2], $3, disable)])
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dnl same as WX_ARG_ENABLE but defaults to wxUSE_ALL_FEATURES instead of "yes"
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AC_DEFUN([WX_ARG_FEATURE], [WX_ARG_ENABLE($1, [$2], $3,, $wxUSE_ALL_FEATURES)])
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dnl Like WX_ARG_ENABLE but accepts a parameter.
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dnl
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dnl Usage:
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dnl WX_ARG_ENABLE_PARAM(option, helpmessage, variable-name, enablestring)
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dnl
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dnl Example:
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dnl WX_ARG_ENABLE_PARAM(foo, [[ --enable-foo[=bar] use foo]], wxUSE_FOO)
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dnl
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dnl --enable-foo wxUSE_FOO=yes
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dnl --disable-foo wxUSE_FOO=no
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dnl --enable-foo=bar wxUSE_FOO=bar
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dnl <not given> wxUSE_FOO=$DEFAULT_wxUSE_FOO
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dnl
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AC_DEFUN([WX_ARG_ENABLE_PARAM],
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[
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enablestring=$4
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AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
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AC_ARG_ENABLE($1, [$2],
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[
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wx_cv_use_$1="$3='$enableval'"
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],
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[
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wx_cv_use_$1='$3='$DEFAULT_$3
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])
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eval "$wx_cv_use_$1"
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AC_MSG_RESULT([$$3])
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])
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dnl ===========================================================================
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dnl Linker features test
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dnl ===========================================================================
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dnl ---------------------------------------------------------------------------
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dnl WX_VERSIONED_SYMBOLS checks whether the linker can create versioned
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dnl symbols. If it can, sets LDFLAGS_VERSIONING to $CXX flags needed to use
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dnl version script file named versionfile
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dnl
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dnl call WX_VERSIONED_SYMBOLS(versionfile)
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dnl ---------------------------------------------------------------------------
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AC_DEFUN([WX_VERSIONED_SYMBOLS],
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[
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case "${host}" in
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*-*-cygwin* | *-*-mingw* )
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dnl although ld does support version script option on these
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dnl platforms, it doesn't make much sense to use it under Win32
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dnl and, moreover, this breaks linking because of a bug in handling
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dnl paths in -Wl,--version-script,path option (if we ever do need
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dnl to use it for cygwin/mingw32, keep in mind that replacing last
|
|
dnl comma with the equal sign works) so
|
|
dnl simply disable it
|
|
wx_cv_version_script=no
|
|
;;
|
|
|
|
*)
|
|
AC_CACHE_CHECK([if the linker accepts --version-script], wx_cv_version_script,
|
|
[
|
|
echo "VER_1 { *; };" >conftest.sym
|
|
echo "int main() { return 0; }" >conftest.cpp
|
|
|
|
if AC_TRY_COMMAND([
|
|
$CXX -o conftest.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
|
|
-Wl,--version-script,conftest.sym >/dev/null 2>conftest.stderr]) ; then
|
|
if test -s conftest.stderr ; then
|
|
wx_cv_version_script=no
|
|
else
|
|
wx_cv_version_script=yes
|
|
fi
|
|
else
|
|
wx_cv_version_script=no
|
|
fi
|
|
|
|
dnl There's a problem in some old linkers with --version-script that
|
|
dnl can cause linking to fail when you have objects with vtables in
|
|
dnl libs 3 deep. This is known to happen in netbsd and openbsd with
|
|
dnl ld 2.11.2.
|
|
dnl
|
|
dnl To test for this we need to make some shared libs and
|
|
dnl unfortunately we can't be sure of the right way to do that. If the
|
|
dnl first two compiles don't succeed then it looks like the test isn't
|
|
dnl working and the result is ignored, but if OTOH the first two
|
|
dnl succeed but the third does not then the bug has been detected and
|
|
dnl the --version-script flag is dropped.
|
|
if test $wx_cv_version_script = yes
|
|
then
|
|
echo "struct B { virtual ~B() { } }; \
|
|
struct D : public B { }; \
|
|
void F() { D d; }" > conftest.cpp
|
|
|
|
if AC_TRY_COMMAND([
|
|
$CXX -shared -fPIC -o conftest1.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
|
|
-Wl,--version-script,conftest.sym >/dev/null 2>/dev/null]) &&
|
|
AC_TRY_COMMAND([
|
|
$CXX -shared -fPIC -o conftest2.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
|
|
-Wl,--version-script,conftest.sym conftest1.output >/dev/null 2>/dev/null])
|
|
then
|
|
if AC_TRY_COMMAND([
|
|
$CXX -shared -fPIC -o conftest3.output $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.cpp
|
|
-Wl,--version-script,conftest.sym conftest2.output conftest1.output >/dev/null 2>/dev/null])
|
|
then
|
|
wx_cv_version_script=yes
|
|
else
|
|
wx_cv_version_script=no
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
rm -f conftest.output conftest.stderr conftest.sym conftest.cpp
|
|
rm -f conftest1.output conftest2.output conftest3.output
|
|
])
|
|
|
|
if test $wx_cv_version_script = yes ; then
|
|
LDFLAGS_VERSIONING="-Wl,--version-script,$1"
|
|
fi
|
|
;;
|
|
esac
|
|
])
|
|
|
|
|
|
dnl ===========================================================================
|
|
dnl "3rd party" macros included here because they are not widely available
|
|
dnl ===========================================================================
|
|
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl test for availability of iconv()
|
|
dnl ---------------------------------------------------------------------------
|
|
|
|
dnl From Bruno Haible.
|
|
|
|
AC_DEFUN([AM_ICONV],
|
|
[
|
|
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
|
|
dnl those with the standalone portable GNU libiconv installed).
|
|
|
|
AC_ARG_WITH([libiconv-prefix],
|
|
[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
|
|
for dir in `echo "$withval" | tr : ' '`; do
|
|
if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
|
|
if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
|
|
done
|
|
])
|
|
|
|
AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
|
|
am_cv_func_iconv="no, consider installing GNU libiconv"
|
|
am_cv_lib_iconv=no
|
|
AC_TRY_LINK([#include <stdlib.h>
|
|
#include <iconv.h>],
|
|
[iconv_t cd = iconv_open("","");
|
|
iconv(cd,NULL,NULL,NULL,NULL);
|
|
iconv_close(cd);],
|
|
am_cv_func_iconv=yes)
|
|
if test "$am_cv_func_iconv" != yes; then
|
|
am_save_LIBS="$LIBS"
|
|
LIBS="$LIBS -liconv"
|
|
AC_TRY_LINK([#include <stdlib.h>
|
|
#include <iconv.h>],
|
|
[iconv_t cd = iconv_open("","");
|
|
iconv(cd,NULL,NULL,NULL,NULL);
|
|
iconv_close(cd);],
|
|
am_cv_lib_iconv=yes
|
|
am_cv_func_iconv=yes)
|
|
LIBS="$am_save_LIBS"
|
|
fi
|
|
])
|
|
if test "$am_cv_func_iconv" = yes; then
|
|
AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
|
|
AC_CACHE_CHECK([if iconv needs const], wx_cv_func_iconv_const,
|
|
AC_TRY_COMPILE([
|
|
#include <stdlib.h>
|
|
#include <iconv.h>
|
|
extern
|
|
#ifdef __cplusplus
|
|
"C"
|
|
#endif
|
|
#if defined(__STDC__) || defined(__cplusplus)
|
|
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
|
|
#else
|
|
size_t iconv();
|
|
#endif
|
|
],
|
|
[],
|
|
wx_cv_func_iconv_const="no",
|
|
wx_cv_func_iconv_const="yes"
|
|
)
|
|
)
|
|
|
|
iconv_const=
|
|
if test "x$wx_cv_func_iconv_const" = "xyes"; then
|
|
iconv_const="const"
|
|
fi
|
|
|
|
AC_DEFINE_UNQUOTED(ICONV_CONST, $iconv_const,
|
|
[Define as const if the declaration of iconv() needs const.])
|
|
fi
|
|
LIBICONV=
|
|
if test "$am_cv_lib_iconv" = yes; then
|
|
LIBICONV="-liconv"
|
|
fi
|
|
AC_SUBST(LIBICONV)
|
|
])
|
|
|
|
dnl ---------------------------------------------------------------------------
|
|
dnl AC_SYS_LARGEFILE (partly based on the code from autoconf 2.5x)
|
|
dnl ---------------------------------------------------------------------------
|
|
|
|
dnl WX_SYS_LARGEFILE_TEST
|
|
dnl
|
|
dnl NB: original autoconf test was checking if compiler supported 6 bit off_t
|
|
dnl arithmetic properly but this failed miserably with gcc under Linux
|
|
dnl whereas the system still supports 64 bit files, so now simply check
|
|
dnl that off_t is big enough
|
|
define(WX_SYS_LARGEFILE_TEST,
|
|
[typedef struct {
|
|
unsigned int field: sizeof(off_t) == 8;
|
|
} wxlf;
|
|
])
|
|
|
|
|
|
dnl WX_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR)
|
|
define(WX_SYS_LARGEFILE_MACRO_VALUE,
|
|
[
|
|
AC_CACHE_CHECK([for $1 value needed for large files], [$3],
|
|
[
|
|
AC_TRY_COMPILE([#define $1 $2
|
|
#include <sys/types.h>],
|
|
WX_SYS_LARGEFILE_TEST,
|
|
[$3=$2],
|
|
[$3=no])
|
|
]
|
|
)
|
|
|
|
if test "$$3" != no; then
|
|
wx_largefile=yes
|
|
AC_DEFINE_UNQUOTED([$1], [$$3])
|
|
fi
|
|
])
|
|
|
|
|
|
dnl AC_SYS_LARGEFILE
|
|
dnl ----------------
|
|
dnl By default, many hosts won't let programs access large files;
|
|
dnl one must use special compiler options to get large-file access to work.
|
|
dnl For more details about this brain damage please see:
|
|
dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
|
|
AC_DEFUN([AC_SYS_LARGEFILE],
|
|
[AC_ARG_ENABLE(largefile,
|
|
[ --disable-largefile omit support for large files])
|
|
if test "$enable_largefile" != no; then
|
|
dnl _FILE_OFFSET_BITS==64 is needed for Linux, Solaris, ...
|
|
dnl _LARGE_FILES -- for AIX
|
|
wx_largefile=no
|
|
WX_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64, ac_cv_sys_file_offset_bits)
|
|
if test "x$wx_largefile" != "xyes"; then
|
|
WX_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1, ac_cv_sys_large_files)
|
|
fi
|
|
|
|
AC_MSG_CHECKING(if large file support is available)
|
|
if test "x$wx_largefile" = "xyes"; then
|
|
AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
|
|
fi
|
|
AC_MSG_RESULT($wx_largefile)
|
|
fi
|
|
])
|
|
|