+dnl maybe wchar_t is in wcstr.h if we don't have wchar.h?
+if test "$ac_cv_header_wchar_h" != "yes"; then
+ dnl defines HAVE_WCSTR_H
+ AC_CHECK_HEADERS(wcstr.h)
+fi
+
+dnl defines HAVE_FNMATCH_H
+AC_CHECK_HEADERS(fnmatch.h)
+
+if test "x$ac_cv_header_fnmatch_h" = "xyes"; then
+ AC_CHECK_FUNCS(fnmatch)
+fi
+
+dnl defines HAVE_LANGINFO_H (GNU libc locale parameters)
+AC_CHECK_HEADERS(langinfo.h)
+
+case "${host}" in
+ *-pc-os2_emx | *-pc-os2-emx )
+ dnl Explicitly link -lintl if langinfo.h is available.
+ if test $ac_cv_header_langinfo_h = "yes"; then
+ LIBS="$LIBS -lintl"
+ fi
+ ;;
+esac
+
+if test "$wxUSE_GUI" = "yes"; then
+ if test "$wxUSE_UNIX" = "yes"; then
+ dnl defines HAVE_X11_XKBLIB_H
+ AC_CHECK_HEADERS(X11/XKBlib.h)
+ fi
+fi
+
+dnl ---------------------------------------------------------------------------
+dnl Checks for compiler characteristics
+dnl ---------------------------------------------------------------------------
+
+dnl defines const to be empty if c-compiler does not support const fully
+AC_C_CONST
+dnl defines inline to a sensible value for the c-compiler
+AC_C_INLINE
+
+dnl check the sizes of integral types (give some reasonable default values for
+dnl cross-compiling)
+dnl defines the size of certain types of variables in SIZEOF_<TYPE>
+AC_CHECK_SIZEOF(char, 1)
+AC_CHECK_SIZEOF(short, 2)
+AC_CHECK_SIZEOF(void *, 4)
+AC_CHECK_SIZEOF(int, 4)
+AC_CHECK_SIZEOF(long, 4)
+
+case "${host}" in
+ arm-*-linux* )
+ AC_CHECK_SIZEOF(long long, 8)
+ ;;
+ *-hp-hpux* )
+ AC_CHECK_SIZEOF(long long, 0)
+ if test "$ac_cv_sizeof_long_long" != "0"; then
+ dnl HPUX 10.20 headers need this define in order to use long long definitions
+ CPPFLAGS="$CPPFLAGS -D_INCLUDE_LONGLONG"
+ fi
+ ;;
+ * )
+ AC_CHECK_SIZEOF(long long, 0)
+esac
+
+dnl we have to do it ourselves because SGI/Irix's stdio.h does not include
+dnl wchar_t and AC_CHECK_SIZEOF only includes stdio.h
+dnl Mac OS X does not provide wchar.h and wchar_t is defined by stdlib.h (GD)
+AC_CACHE_CHECK([size of wchar_t], wx_cv_sizeof_wchar_t,
+[
+ AC_TRY_RUN(
+ [
+ /* DJGPP only has fake wchar_t: */
+ #ifdef __DJGPP__
+ # error "fake wchar_t"
+ #endif
+ #ifdef HAVE_WCHAR_H
+ # ifdef __CYGWIN__
+ # include <stddef.h>
+ # endif
+ # include <wchar.h>
+ #endif
+ #ifdef HAVE_STDLIB_H
+ # include <stdlib.h>
+ #endif
+ #include <stdio.h>
+ int main()
+ {
+ FILE *f=fopen("conftestval", "w");
+ if (!f) exit(1);
+ fprintf(f, "%i", sizeof(wchar_t));
+ exit(0);
+ }
+ ],
+ wx_cv_sizeof_wchar_t=`cat conftestval`,
+ wx_cv_sizeof_wchar_t=0,
+ [
+ case "${host}" in
+ *-pc-msdosdjgpp )
+ wx_cv_sizeof_wchar_t=0
+ ;;
+ * )
+ wx_cv_sizeof_wchar_t=4
+ ;;
+ esac
+ ]
+ )
+])
+
+AC_DEFINE_UNQUOTED(SIZEOF_WCHAR_T, $wx_cv_sizeof_wchar_t)
+
+dnl check for large file support
+AC_SYS_LARGEFILE
+
+dnl we need to define _FILE_OFFSET_BITS or _LARGE_FILES on the compiler command
+dnl line because otherwise the system headers risk being included before
+dnl wx/defs.h which defines these constants leading to inconsistent
+dnl sizeof(off_t) in different source files of the same program and linking
+dnl problems
+if test "x$wx_largefile" = "xyes"; then
+ if test "x$ac_cv_sys_file_offset_bits" = "x64"; then
+ WX_LARGEFILE_FLAGS="-D_FILE_OFFSET_BITS=64 -D_LARGE_FILES"
+ else
+ WX_LARGEFILE_FLAGS="-D_LARGE_FILES"
+ fi
+ CPPFLAGS="$CPPFLAGS $WX_LARGEFILE_FLAGS"
+fi
+
+dnl check for bytesex stuff (don't use AC_C_BIGENDIAN to allow cross-compiling)
+WX_C_BIGENDIAN
+
+dnl check for iostream (as opposed to iostream.h) standard header
+WX_CPP_NEW_HEADERS(, AC_DEFINE(wxUSE_IOSTREAMH))
+
+dnl check whether C++ compiler supports bool built-in type
+WX_CPP_BOOL
+
+dnl check whether C++ compiler supports explicit keyword
+WX_CPP_EXPLICIT
+
+dnl check whether C++ compiler supports C++ casts
+AC_CXX_CONST_CAST
+
+dnl ---------------------------------------------------------------------------
+dnl Define search path for includes and libraries: all headers and libs will be
+dnl looked for in all directories of this path
+dnl ---------------------------------------------------------------------------
+
+dnl Notice that /usr/include should *not* be in this list, otherwise it breaks
+dnl compilation on Solaris/AIX/... with gcc because standard (non ANSI C)
+dnl headers are included instead of the "fixed" (ANSI-fied) gcc ones.
+dnl
+dnl Also try to put all directories which may contain X11R6 before those which
+dnl may contain X11R5/4 - we want to use R6 on machines which have both!
+SEARCH_INCLUDE="\
+ /usr/local/include \
+ \
+ /usr/Motif-1.2/include \
+ /usr/Motif-2.1/include \
+ \
+ /usr/include/Motif1.2 \
+ /opt/xpm/include/X11 \
+ /opt/GBxpm/include/ \
+ /opt/GBxpm/X11/include/ \
+ \
+ /usr/Motif1.2/include \
+ /usr/dt/include \
+ /usr/openwin/include \
+ \
+ /usr/include/Xm \
+ \
+ /usr/X11R6/include \
+ /usr/X11R6.4/include \
+ /usr/X11R5/include \
+ /usr/X11R4/include \
+ \
+ /usr/include/X11R6 \
+ /usr/include/X11R5 \
+ /usr/include/X11R4 \
+ \
+ /usr/local/X11R6/include \
+ /usr/local/X11R5/include \
+ /usr/local/X11R4/include \
+ \
+ /usr/local/include/X11R6 \
+ /usr/local/include/X11R5 \
+ /usr/local/include/X11R4 \
+ \
+ /usr/X11/include \
+ /usr/include/X11 \
+ /usr/local/X11/include \
+ /usr/local/include/X11 \
+ \
+ /usr/X386/include \
+ /usr/x386/include \
+ /usr/XFree86/include/X11 \
+ \
+ X:/XFree86/include \
+ X:/XFree86/include/X11 \
+ \
+ /usr/include/gtk \
+ /usr/local/include/gtk \
+ /usr/include/glib \
+ /usr/local/include/glib \
+ \
+ /usr/include/qt \
+ /usr/local/include/qt \
+ \
+ /usr/include/windows \
+ /usr/include/wine \
+ /usr/local/include/wine \
+ \
+ /usr/unsupported/include \
+ /usr/athena/include \
+ /usr/local/x11r5/include \
+ /usr/lpp/Xamples/include \
+ \
+ /usr/openwin/share/include"
+
+SEARCH_LIB="`echo "$SEARCH_INCLUDE" | sed s/include/lib/g` "
+
+dnl ------------------------------------------------------------------------
+dnl Check for libraries
+dnl ------------------------------------------------------------------------
+
+dnl flush the cache because checking for libraries below might abort
+AC_CACHE_SAVE
+
+dnl check for glibc version
+dnl
+dnl VZ: I have no idea why had this check been there originally, but now
+dnl we could probably do without it by just always adding _GNU_SOURCE
+if test "$USE_LINUX" = 1 -o "$USE_GNU" = 1; then
+ AC_CACHE_CHECK([for glibc 2.1 or later], wx_cv_lib_glibc21,[
+ AC_TRY_COMPILE([#include <features.h>],
+ [
+ #if (__GLIBC__ < 2) || (__GLIBC_MINOR__ < 1)
+ #error not glibc2.1
+ #endif
+ ],
+ [
+ wx_cv_lib_glibc21=yes
+ ],
+ [
+ wx_cv_lib_glibc21=no
+ ]
+ )
+ ])
+ if test "$wx_cv_lib_glibc21" = "yes"; then
+ AC_DEFINE(wxHAVE_GLIBC2)
+ fi
+fi
+
+dnl we may need _GNU_SOURCE for 2 things:
+dnl
+dnl 1. to get PTHREAD_MUTEX_RECURSIVE with glibc 2.1+ (strictly speaking we
+dnl only need _XOPEN_SOURCE=500 but just defining this disables _BSD_SOURCE
+dnl which breaks libtiff compilation, so it is simpler to just define
+dnl _GNU_SOURCE to get everything)
+dnl
+dnl 2. for Unicode functions
+if test "x$wx_cv_lib_glibc21" = "xyes"; then
+ if test "$wxUSE_UNICODE" = "yes" -o "$wxUSE_THREADS" = "yes"; then
+ AC_DEFINE(_GNU_SOURCE)
+ fi
+fi
+
+dnl ---------------------------------------------------------------------------
+dnl Optional libraries
+dnl
+dnl --with-<lib>=sys
+dnl looks for system library and fails if not found
+dnl
+dnl --with-<lib>
+dnl --with-<lib>=yes
+dnl looks for system library and, if not found, prints a warning,
+dnl falls back to the builtin wx version, and continues configuration
+dnl
+dnl --with-<lib>=builtin
+dnl uses builtin wx version without searching for system library
+dnl
+dnl --with-<lib>=no
+dnl --without-<lib>
+dnl do not use library (neither system nor builtin wx version)
+dnl
+dnl ---------------------------------------------------------------------------
+
+dnl ------------------------------------------------------------------------
+dnl Check for regex libraries
+dnl ------------------------------------------------------------------------
+
+REGEX_INCLUDE=