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156 lines
4.5 KiB
Text
156 lines
4.5 KiB
Text
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dnl configuration script for expat
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dnl Process this file with autoconf to produce a configure script.
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dnl
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dnl Copyright 2000 Clark Cooper
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dnl
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dnl This file is part of EXPAT.
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dnl
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dnl EXPAT is free software; you can redistribute it and/or modify it
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dnl under the terms of the License (based on the MIT/X license) contained
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dnl in the file COPYING that comes with this distribution.
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dnl
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dnl Ensure that Expat is configured with autoconf 2.58 or newer
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AC_PREREQ(2.58)
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dnl Get the version number of Expat, using m4's esyscmd() command to run
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dnl the command at m4-generation time. This allows us to create an m4
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dnl symbol holding the correct version number. AC_INIT() requires the
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dnl version number at m4-time, rather than when ./configure is run, so
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dnl all this must happen as part of m4, not as part of the shell code
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dnl contained in ./configure.
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dnl
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dnl NOTE: esyscmd() is a GNU M4 extension. Thus, we wrap it in an appropriate
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dnl test. I believe this test will work, but I don't have a place with non-
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dnl GNU M4 to test it right now.
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define([expat_version], ifdef([__gnu__],
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[esyscmd(conftools/get-version.sh lib/expat.h)],
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[2.1.x]))
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AC_INIT(expat, expat_version, expat-bugs@libexpat.org)
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undefine([expat_version])
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AC_CONFIG_SRCDIR(Makefile.in)
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AC_CONFIG_AUX_DIR(conftools)
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AC_CONFIG_MACRO_DIR([m4])
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dnl
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dnl Increment LIBREVISION if source code has changed at all
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dnl
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dnl If the API has changed, increment LIBCURRENT and set LIBREVISION to 0
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dnl
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dnl If the API changes compatibly (i.e. simply adding a new function
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dnl without changing or removing earlier interfaces), then increment LIBAGE.
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dnl
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dnl If the API changes incompatibly set LIBAGE back to 0
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dnl
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LIBCURRENT=7
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LIBREVISION=0
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LIBAGE=6
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AC_CONFIG_HEADER(expat_config.h)
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sinclude(conftools/ac_c_bigendian_cross.m4)
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AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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AC_SUBST(LIBCURRENT)
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AC_SUBST(LIBREVISION)
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AC_SUBST(LIBAGE)
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_CXX
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AC_PROG_INSTALL
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if test "$GCC" = yes ; then
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dnl
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dnl Be careful about adding the -fexceptions option; some versions of
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dnl GCC don't support it and it causes extra warnings that are only
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dnl distracting; avoid.
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dnl
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OLDCFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wstrict-prototypes"
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CFLAGS="$OLDCFLAGS -fexceptions"
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AC_MSG_CHECKING(whether $CC accepts -fexceptions)
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AC_TRY_LINK( , ,
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no); CFLAGS="$OLDCFLAGS")
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CXXFLAGS=`echo "$CFLAGS" | sed 's/ -Wmissing-prototypes -Wstrict-prototypes//'`
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fi
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dnl Checks for header files.
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AC_HEADER_STDC
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dnl Checks for typedefs, structures, and compiler characteristics.
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dnl Note: Avoid using AC_C_BIGENDIAN because it does not
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dnl work in a cross compile.
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AC_C_BIGENDIAN_CROSS
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AC_C_CONST
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AC_TYPE_SIZE_T
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AC_CHECK_FUNCS(memmove bcopy)
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dnl Only needed for xmlwf:
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AC_CHECK_HEADERS(fcntl.h unistd.h)
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AC_TYPE_OFF_T
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AC_FUNC_MMAP
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if test "$ac_cv_func_mmap_fixed_mapped" = "yes"; then
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FILEMAP=unixfilemap
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else
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FILEMAP=readfilemap
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fi
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AC_SUBST(FILEMAP)
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dnl Needed for the test support code; this was found at
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dnl http://lists.gnu.org/archive/html/bug-autoconf/2002-07/msg00028.html
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# AC_CPP_FUNC
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# ------------------ #
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# Checks to see if ANSI C99 CPP variable __func__ works.
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# If not, perhaps __FUNCTION__ works instead.
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# If not, we'll just define __func__ to "".
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AC_DEFUN([AC_CPP_FUNC],
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[AC_REQUIRE([AC_PROG_CC_STDC])dnl
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AC_CACHE_CHECK([for an ANSI C99-conforming __func__], ac_cv_cpp_func,
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
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[[char *foo = __func__;]])],
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[ac_cv_cpp_func=yes],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
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[[char *foo = __FUNCTION__;]])],
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[ac_cv_cpp_func=__FUNCTION__],
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[ac_cv_cpp_func=no])])])
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if test $ac_cv_cpp_func = __FUNCTION__; then
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AC_DEFINE(__func__,__FUNCTION__,
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[Define to __FUNCTION__ or "" if `__func__' does not conform to
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ANSI C.])
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elif test $ac_cv_cpp_func = no; then
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AC_DEFINE(__func__,"",
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[Define to __FUNCTION__ or "" if `__func__' does not conform to
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ANSI C.])
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fi
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])# AC_CPP_FUNC
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AC_CPP_FUNC
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dnl Some basic configuration:
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AC_DEFINE([XML_NS], 1,
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[Define to make XML Namespaces functionality available.])
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AC_DEFINE([XML_DTD], 1,
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[Define to make parameter entity parsing functionality available.])
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AC_DEFINE([XML_CONTEXT_BYTES], 1024,
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[Define to specify how much context to retain around the current parse point.])
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AC_CONFIG_FILES([Makefile expat.pc])
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AC_OUTPUT
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abs_srcdir="`cd $srcdir && pwd`"
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abs_builddir="`pwd`"
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if test "$abs_srcdir" != "$abs_builddir"; then
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make mkdir-init
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fi
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