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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
-