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+dnl configuration script for expat
+dnl Process this file with autoconf to produce a configure script.
+dnl
+dnl Copyright 2000 Clark Cooper
+dnl
+dnl This file is part of EXPAT.
+dnl
+dnl EXPAT is free software; you can redistribute it and/or modify it
+dnl under the terms of the License (based on the MIT/X license) contained
+dnl in the file COPYING that comes with this distribution.
+dnl
+
+dnl Ensure that Expat is configured with autoconf 2.52 or newer
+AC_PREREQ(2.52)
+
+dnl Get the version number of Expat, using m4's esyscmd() command to run
+dnl the command at m4-generation time. This allows us to create an m4
+dnl symbol holding the correct version number. AC_INIT() requires the
+dnl version number at m4-time, rather than when ./configure is run, so
+dnl all this must happen as part of m4, not as part of the shell code
+dnl contained in ./configure.
+dnl
+dnl NOTE: esyscmd() is a GNU M4 extension. Thus, we wrap it in an appropriate
+dnl test. I believe this test will work, but I don't have a place with non-
+dnl GNU M4 to test it right now.
+define([expat_version], ifdef([__gnu__],
+ [esyscmd(conftools/get-version.sh lib/expat.h)],
+ [1.95.x]))
+AC_INIT(expat, expat_version, expat-bugs@mail.libexpat.org)
+undefine([expat_version])
+
+AC_CONFIG_SRCDIR(Makefile.in)
+AC_CONFIG_AUX_DIR(conftools)
+
+
+dnl
+dnl Increment LIBREVISION if source code has changed at all
+dnl
+dnl If the API has changed, increment LIBCURRENT and set LIBREVISION to 0
+dnl
+dnl If the API changes compatibly (i.e. simply adding a new function
+dnl without changing or removing earlier interfaces), then increment LIBAGE.
+dnl
+dnl If the API changes incompatibly set LIBAGE back to 0
+dnl
+
+LIBCURRENT=4
+LIBREVISION=0
+LIBAGE=4
+
+AC_CONFIG_HEADER(expat_config.h)
+
+sinclude(conftools/libtool.m4)
+sinclude(conftools/ac_c_bigendian_cross.m4)
+
+AC_LIBTOOL_WIN32_DLL
+AC_PROG_LIBTOOL
+
+AC_SUBST(LIBCURRENT)
+AC_SUBST(LIBREVISION)
+AC_SUBST(LIBAGE)
+
+dnl Checks for programs.
+AC_PROG_CC
+AC_PROG_INSTALL
+
+if test "$GCC" = yes ; then
+ dnl
+ dnl Be careful about adding the -fexceptions option; some versions of
+ dnl GCC don't support it and it causes extra warnings that are only
+ dnl distracting; avoid.
+ dnl
+ OLDCFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wstrict-prototypes"
+ CFLAGS="$OLDCFLAGS -fexceptions"
+ AC_MSG_CHECKING(whether gcc accepts -fexceptions)
+ AC_TRY_COMPILE(,(void)1,
+ AC_MSG_RESULT(yes),
+ AC_MSG_RESULT(no); CFLAGS="$OLDCFLAGS")
+fi
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS(fcntl.h unistd.h)
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+
+dnl Note: Avoid using AC_C_BIGENDIAN because it does not
+dnl work in a cross compile.
+AC_C_BIGENDIAN_CROSS
+
+AC_C_CONST
+AC_TYPE_OFF_T
+AC_TYPE_SIZE_T
+
+dnl Checks for library functions.
+
+AC_FUNC_MEMCMP
+AC_FUNC_MMAP
+
+if test "$ac_cv_func_mmap_fixed_mapped" = "yes"; then
+ FILEMAP=unixfilemap
+else
+ FILEMAP=readfilemap
+fi
+AC_SUBST(FILEMAP)
+
+AC_CHECK_FUNCS(memmove bcopy)
+
+dnl some basic configuration
+AC_DEFINE([XML_NS], 1,
+ [Define to make XML Namespaces functionality available.])
+AC_DEFINE([XML_DTD], 1,
+ [Define to make parameter entity parsing functionality available.])
+AC_DEFINE([XML_CONTEXT_BYTES], 1024,
+ [Define to specify how much context to retain around the current parse point.])
+
+AC_CONFIG_FILES(Makefile)
+AC_OUTPUT
+
+abs_srcdir="`cd $srcdir && pwd`"
+abs_builddir="`pwd`"
+if test "$abs_srcdir" != "$abs_builddir"; then
+ make mkdir-init
+fi