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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
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