+# generated automatically by aclocal 1.7.2 -*- Autoconf -*-
+
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
+# Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+dnl ---------------------------------------------------------------------------
+dnl
+dnl Macros for configure.in for wxWindows by Robert Roebling, Phil Blecker,
+dnl Vadim Zeitlin and Ron Lee
+dnl
+dnl This script is under the wxWindows licence.
+dnl
+dnl Version: $Id$
+dnl ---------------------------------------------------------------------------
+
+dnl ===========================================================================
+dnl macros to find the a file in the list of include/lib paths
+dnl ===========================================================================
+
+dnl ---------------------------------------------------------------------------
+dnl call WX_PATH_FIND_INCLUDES(search path, header name), sets ac_find_includes
+dnl to the full name of the file that was found or leaves it empty if not found
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([WX_PATH_FIND_INCLUDES],
+[
+ac_find_includes=
+for ac_dir in $1 /usr/include;
+ do
+ if test -f "$ac_dir/$2"; then
+ ac_find_includes=$ac_dir
+ break
+ fi
+ done
+])
+
+dnl ---------------------------------------------------------------------------
+dnl call WX_PATH_FIND_LIBRARIES(search path, header name), sets ac_find_libraries
+dnl to the full name of the file that was found or leaves it empty if not found
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([WX_PATH_FIND_LIBRARIES],
+[
+ac_find_libraries=
+for ac_dir in $1 /usr/lib;
+ do
+ for ac_extension in a so sl dylib; do
+ if test -f "$ac_dir/lib$2.$ac_extension"; then
+ ac_find_libraries=$ac_dir
+ break 2
+ fi
+ done
+ done
+])
+
+dnl ---------------------------------------------------------------------------
+dnl Path to include, already defined
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([WX_INCLUDE_PATH_EXIST],
+[
+ dnl never add -I/usr/include to the CPPFLAGS
+ if test "x$1" = "x/usr/include"; then
+ ac_path_to_include=""
+ else
+ echo "$2" | grep "\-I$1" > /dev/null
+ result=$?
+ if test $result = 0; then
+ ac_path_to_include=""
+ else
+ ac_path_to_include=" -I$1"
+ fi
+ fi
+])
+
+dnl ---------------------------------------------------------------------------
+dnl Path to link, already defined
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([WX_LINK_PATH_EXIST],
+[
+ echo "$2" | grep "\-L$1" > /dev/null
+ result=$?
+ if test $result = 0; then
+ ac_path_to_link=""
+ else
+ ac_path_to_link=" -L$1"
+ fi
+])
+
+dnl ===========================================================================
+dnl C++ features test
+dnl ===========================================================================
+
+dnl ---------------------------------------------------------------------------
+dnl WX_CPP_NEW_HEADERS checks whether the compiler has "new" <iostream> header
+dnl or only the old <iostream.h> one - it may be generally assumed that if
+dnl <iostream> exists, the other "new" headers (without .h) exist too.
+dnl
+dnl call WX_CPP_NEW_HEADERS(actiof-if-true, action-if-false-or-cross-compiling)
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN([WX_CPP_NEW_HEADERS],
+[
+ if test "$cross_compiling" = "yes"; then
+ ifelse([$2], , :, [$2])
+ else
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+
+ AC_CHECK_HEADERS(iostream)
+
+ if test "$ac_cv_header_iostream" = "yes" ; then
+ ifelse([$1], , :, [$1])
+ else
+ ifelse([$2], , :, [$2])
+ fi
+
+ AC_LANG_RESTORE
+ fi
+])
+
+dnl ---------------------------------------------------------------------------
+dnl WX_CPP_BOOL checks whether the C++ compiler has a built in bool type
+dnl
+dnl call WX_CPP_BOOL - will define HAVE_BOOL if the compiler supports bool
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN([WX_CPP_BOOL],
+[
+ AC_CACHE_CHECK([if C++ compiler supports bool], wx_cv_cpp_bool,
+ [
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+
+ AC_TRY_COMPILE(
+ [
+ ],
+ [
+ bool b = true;
+
+ return 0;
+ ],
+ [
+ wx_cv_cpp_bool=yes
+ ],
+ [
+ wx_cv_cpp_bool=no
+ ]
+ )
+
+ AC_LANG_RESTORE
+ ])
+
+ if test "$wx_cv_cpp_bool" = "yes"; then
+ AC_DEFINE(HAVE_BOOL)
+ fi
+])
+
+dnl ---------------------------------------------------------------------------
+dnl WX_CPP_EXPLICIT checks whether the C++ compiler support the explicit
+dnl keyword and defines HAVE_EXPLICIT if this is the case
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN([WX_CPP_EXPLICIT],
+[
+ AC_CACHE_CHECK([if C++ compiler supports the explicit keyword],
+ wx_cv_explicit,
+ [
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+
+ dnl do the test in 2 steps: first check that the compiler knows about the
+ dnl explicit keyword at all and then verify that it really honours it
+ AC_TRY_COMPILE(
+ [
+ class Foo { public: explicit Foo(int) {} };
+ ],
+ [
+ return 0;
+ ],
+ [
+ AC_TRY_COMPILE(
+ [
+ class Foo { public: explicit Foo(int) {} };
+ static void TakeFoo(const Foo& foo) { }
+ ],
+ [
+ TakeFoo(17);
+ return 0;
+ ],
+ wx_cv_explicit=no,
+ wx_cv_explicit=yes
+ )
+ ],
+ wx_cv_explicit=no
+ )
+
+ AC_LANG_RESTORE
+ ])
+
+ if test "$wx_cv_explicit" = "yes"; then
+ AC_DEFINE(HAVE_EXPLICIT)
+ fi
+])
+
+dnl ---------------------------------------------------------------------------
+dnl a slightly better AC_C_BIGENDIAN macro which allows cross-compiling
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN([WX_C_BIGENDIAN],
+[AC_CACHE_CHECK([whether byte ordering is bigendian], ac_cv_c_bigendian,
+[ac_cv_c_bigendian=unknown
+# See if sys/param.h defines the BYTE_ORDER macro.
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/param.h>], [
+#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
+ bogus endian macros
+#endif], [# It does; now see whether it defined to BIG_ENDIAN or not.
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/param.h>], [
+#if BYTE_ORDER != BIG_ENDIAN
+ not big endian
+#endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
+if test $ac_cv_c_bigendian = unknown; then
+AC_TRY_RUN([main () {
+ /* Are we little or big endian? From Harbison&Steele. */
+ union
+ {
+ long l;
+ char c[sizeof (long)];
+ } u;
+ u.l = 1;
+ exit (u.c[sizeof (long) - 1] == 1);
+}], [ac_cv_c_bigendian=no], [ac_cv_c_bigendian=yes], [ac_cv_c_bigendian=unknown])
+fi])
+if test $ac_cv_c_bigendian = unknown; then
+ AC_MSG_WARN([Assuming little-endian target machine - this may be overriden by adding the line "ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'}" to config.cache file])
+fi
+if test $ac_cv_c_bigendian = yes; then
+ AC_DEFINE(WORDS_BIGENDIAN)
+fi
+])
+
+dnl ---------------------------------------------------------------------------
+dnl override AC_ARG_ENABLE/WITH to cache the results in .cache file
+dnl ---------------------------------------------------------------------------
+
+AC_DEFUN([WX_ARG_CACHE_INIT],
+ [
+ wx_arg_cache_file="configarg.cache"
+ echo "loading argument cache $wx_arg_cache_file"
+ rm -f ${wx_arg_cache_file}.tmp
+ touch ${wx_arg_cache_file}.tmp
+ touch ${wx_arg_cache_file}
+ ])
+
+AC_DEFUN([WX_ARG_CACHE_FLUSH],
+ [
+ echo "saving argument cache $wx_arg_cache_file"
+ mv ${wx_arg_cache_file}.tmp ${wx_arg_cache_file}
+ ])
+
+dnl this macro checks for a three-valued command line --with argument:
+dnl possible arguments are 'yes', 'no', 'sys', or 'builtin'
+dnl usage: WX_ARG_SYS_WITH(option, helpmessage, variable-name)
+AC_DEFUN([WX_ARG_SYS_WITH],
+ [
+ AC_MSG_CHECKING([for --with-$1])
+ no_cache=0
+ AC_ARG_WITH($1, [$2],
+ [
+ if test "$withval" = yes; then
+ ac_cv_use_$1='$3=yes'
+ elif test "$withval" = no; then
+ ac_cv_use_$1='$3=no'
+ elif test "$withval" = sys; then
+ ac_cv_use_$1='$3=sys'
+ elif test "$withval" = builtin; then
+ ac_cv_use_$1='$3=builtin'
+ else
+ AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
+ fi
+ ],
+ [
+ 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 "$$3" = yes; then
+ AC_MSG_RESULT(yes)
+ elif test "$$3" = no; then
+ AC_MSG_RESULT(no)
+ elif test "$$3" = sys; then
+ AC_MSG_RESULT([system version])
+ elif test "$$3" = builtin; then
+ AC_MSG_RESULT([builtin version])
+ else
+ AC_MSG_ERROR([Invalid value for --with-$1: should be yes, no, sys, or builtin])
+ fi
+ ])
+
+dnl this macro checks for a command line argument and caches the result
+dnl usage: WX_ARG_WITH(option, helpmessage, variable-name)
+AC_DEFUN([WX_ARG_WITH],
+ [
+ AC_MSG_CHECKING([for --with-$1])
+ no_cache=0
+ AC_ARG_WITH($1, [$2],
+ [
+ if test "$withval" = yes; then
+ ac_cv_use_$1='$3=yes'
+ else
+ ac_cv_use_$1='$3=no'
+ fi
+ ],
+ [
+ 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 "$$3" = yes; then
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(no)
+ fi
+ ])
+
+dnl like WX_ARG_WITH but uses AC_ARG_ENABLE instead of AC_ARG_WITH
+dnl usage: WX_ARG_ENABLE(option, helpmessage, variable-name, enablestring)
+dnl
+dnl enablestring is a hack and allows to show "checking for --disable-foo"
+dnl message when running configure instead of the default "checking for
+dnl --enable-foo" one whih is useful for the options enabled by default
+AC_DEFUN([WX_ARG_ENABLE],
+ [
+ enablestring=$4
+ AC_MSG_CHECKING([for --${enablestring:-enable}-$1])
+ no_cache=0
+ AC_ARG_ENABLE($1, [$2],
+ [
+ if test "$enableval" = yes; then
+ ac_cv_use_$1='$3=yes'
+ else
+ ac_cv_use_$1='$3=no'
+ fi
+ ],
+ [
+ LINE=`grep "$3" ${wx_arg_cache_file}`
+ if test "x$LINE" != x ; then
+ eval "DEFAULT_$LINE"
+ else
+ no_cache=1
+ fi
+
+ ac_cv_use_$1='$3='$DEFAULT_$3
+ ])
+
+ eval "$ac_cv_use_$1"
+ if test "$no_cache" != 1; then
+ echo $ac_cv_use_$1 >> ${wx_arg_cache_file}.tmp
+ fi
+
+ if test "$$3" = yes; then
+ AC_MSG_RESULT(yes)
+ else
+ AC_MSG_RESULT(no)
+ fi
+ ])
+
+
+dnl ===========================================================================
+dnl Linker features test
+dnl ===========================================================================
+
+dnl ---------------------------------------------------------------------------
+dnl WX_VERSIONED_SYMBOLS checks whether the linker can create versioned
+dnl symbols. If it can, sets LDFLAGS_VERSIONING to $CXX flags needed to use
+dnl version script file named versionfile
+dnl
+dnl call WX_VERSIONED_SYMBOLS(versionfile)
+dnl ---------------------------------------------------------------------------
+AC_DEFUN([WX_VERSIONED_SYMBOLS],
+[
+ found_versioning=no
+
+ dnl FIXME - doesn't work, Solaris linker doesn't accept wildcards
+ dnl in the script.
+ dnl dnl Check for known non-gcc cases:
+ dnl case "${host}" in
+ dnl *-*-solaris2* )
+ dnl if test "x$GCC" != "xyes" ; then
+ dnl LDFLAGS_VERSIONING="-M $1"
+ dnl found_versioning=yes
+ dnl fi
+ dnl ;;
+ dnl esac
+
+ dnl Generic check for GCC or GCC-like behaviour (Intel C++, GCC):
+ if test $found_versioning = no ; then
+ 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
+ rm -f conftest.output conftest.stderr conftest.sym conftest.cpp
+ ])
+ if test $wx_cv_version_script = yes ; then
+ LDFLAGS_VERSIONING="-Wl,--version-script,$1"
+ fi
+ fi
+])
+
+
+dnl ===========================================================================
+dnl "3rd party" macros included here because they are not widely available
+dnl ===========================================================================
+
+dnl ---------------------------------------------------------------------------
+dnl test for availability of iconv()
+dnl ---------------------------------------------------------------------------
+
+dnl From Bruno Haible.
+
+AC_DEFUN([AM_ICONV],
+[
+ dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
+ dnl those with the standalone portable GNU libiconv installed).
+
+ AC_ARG_WITH([libiconv-prefix],
+[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
+ for dir in `echo "$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
+])
+
+
+dnl Available from the GNU Autoconf Macro Archive at:
+dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_const_cast.html
+dnl
+AC_DEFUN([AC_CXX_CONST_CAST],
+[AC_CACHE_CHECK(whether the compiler supports const_cast<>,
+ac_cv_cxx_const_cast,
+[AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+ AC_TRY_COMPILE(,[int x = 0;const int& y = x;int& z = const_cast<int&>(y);return z;],
+ ac_cv_cxx_const_cast=yes, ac_cv_cxx_const_cast=no)
+ AC_LANG_RESTORE
+])
+if test "$ac_cv_cxx_const_cast" = yes; then
+ AC_DEFINE(HAVE_CONST_CAST,,[define if the compiler supports const_cast<>])
+fi
+])
+
projects / wxWidgets.git / blobdiff