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expat 2.1.0

    1: dnl   configuration script for expat
    2: dnl   Process this file with autoconf to produce a configure script.
    3: dnl
    4: dnl   Copyright 2000 Clark Cooper
    5: dnl
    6: dnl   This file is part of EXPAT.
    7: dnl
    8: dnl   EXPAT is free software; you can redistribute it and/or modify it
    9: dnl   under the terms of the License (based on the MIT/X license) contained
   10: dnl   in the file COPYING that comes with this distribution.
   11: dnl
   12: 
   13: dnl Ensure that Expat is configured with autoconf 2.58 or newer
   14: AC_PREREQ(2.58)
   15: 
   16: dnl Get the version number of Expat, using m4's esyscmd() command to run
   17: dnl the command at m4-generation time. This allows us to create an m4
   18: dnl symbol holding the correct version number. AC_INIT() requires the
   19: dnl version number at m4-time, rather than when ./configure is run, so
   20: dnl all this must happen as part of m4, not as part of the shell code
   21: dnl contained in ./configure.
   22: dnl
   23: dnl NOTE: esyscmd() is a GNU M4 extension. Thus, we wrap it in an appropriate
   24: dnl test. I believe this test will work, but I don't have a place with non-
   25: dnl GNU M4 to test it right now.
   26: define([expat_version], ifdef([__gnu__],
   27:                               [esyscmd(conftools/get-version.sh lib/expat.h)],
   28:                               [2.1.x]))
   29: AC_INIT(expat, expat_version, expat-bugs@libexpat.org)
   30: undefine([expat_version])
   31: 
   32: AC_CONFIG_SRCDIR(Makefile.in)
   33: AC_CONFIG_AUX_DIR(conftools)
   34: AC_CONFIG_MACRO_DIR([m4])
   35: 
   36: 
   37: dnl
   38: dnl Increment LIBREVISION if source code has changed at all
   39: dnl
   40: dnl If the API has changed, increment LIBCURRENT and set LIBREVISION to 0
   41: dnl
   42: dnl If the API changes compatibly (i.e. simply adding a new function
   43: dnl without changing or removing earlier interfaces), then increment LIBAGE.
   44: dnl 
   45: dnl If the API changes incompatibly set LIBAGE back to 0
   46: dnl
   47: 
   48: LIBCURRENT=7
   49: LIBREVISION=0
   50: LIBAGE=6
   51: 
   52: AC_CONFIG_HEADER(expat_config.h)
   53: 
   54: sinclude(conftools/ac_c_bigendian_cross.m4)
   55: 
   56: AC_LIBTOOL_WIN32_DLL
   57: AC_PROG_LIBTOOL
   58: 
   59: AC_SUBST(LIBCURRENT)
   60: AC_SUBST(LIBREVISION)
   61: AC_SUBST(LIBAGE)
   62: 
   63: dnl Checks for programs.
   64: AC_PROG_CC
   65: AC_PROG_CXX
   66: AC_PROG_INSTALL
   67: 
   68: if test "$GCC" = yes ; then
   69:     dnl
   70:     dnl Be careful about adding the -fexceptions option; some versions of
   71:     dnl GCC don't support it and it causes extra warnings that are only
   72:     dnl distracting; avoid.
   73:     dnl
   74:     OLDCFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wstrict-prototypes"
   75:     CFLAGS="$OLDCFLAGS -fexceptions"
   76:     AC_MSG_CHECKING(whether $CC accepts -fexceptions)
   77:     AC_TRY_LINK( , ,
   78:                    AC_MSG_RESULT(yes),
   79:                    AC_MSG_RESULT(no); CFLAGS="$OLDCFLAGS")
   80:     CXXFLAGS=`echo "$CFLAGS" | sed 's/ -Wmissing-prototypes -Wstrict-prototypes//'`
   81: fi
   82: 
   83: dnl Checks for header files.
   84: AC_HEADER_STDC
   85: 
   86: dnl Checks for typedefs, structures, and compiler characteristics.
   87: 
   88: dnl Note: Avoid using AC_C_BIGENDIAN because it does not
   89: dnl work in a cross compile.
   90: AC_C_BIGENDIAN_CROSS
   91: 
   92: AC_C_CONST
   93: AC_TYPE_SIZE_T
   94: AC_CHECK_FUNCS(memmove bcopy)
   95: 
   96: dnl Only needed for xmlwf:
   97: AC_CHECK_HEADERS(fcntl.h unistd.h)
   98: AC_TYPE_OFF_T
   99: AC_FUNC_MMAP
  100: 
  101: if test "$ac_cv_func_mmap_fixed_mapped" = "yes"; then
  102:     FILEMAP=unixfilemap
  103: else
  104:     FILEMAP=readfilemap
  105: fi
  106: AC_SUBST(FILEMAP)
  107: 
  108: dnl Needed for the test support code; this was found at
  109: dnl http://lists.gnu.org/archive/html/bug-autoconf/2002-07/msg00028.html
  110: 
  111: # AC_CPP_FUNC
  112: # ------------------ #
  113: # Checks to see if ANSI C99 CPP variable __func__ works.
  114: # If not, perhaps __FUNCTION__ works instead. 
  115: # If not, we'll just define __func__ to "". 
  116: AC_DEFUN([AC_CPP_FUNC],
  117: [AC_REQUIRE([AC_PROG_CC_STDC])dnl
  118: AC_CACHE_CHECK([for an ANSI C99-conforming __func__], ac_cv_cpp_func,
  119: [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
  120: [[char *foo = __func__;]])],
  121:   [ac_cv_cpp_func=yes], 
  122:   [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
  123: [[char *foo = __FUNCTION__;]])],
  124:   [ac_cv_cpp_func=__FUNCTION__], 
  125:   [ac_cv_cpp_func=no])])])
  126: if test $ac_cv_cpp_func = __FUNCTION__; then
  127:   AC_DEFINE(__func__,__FUNCTION__,
  128:             [Define to __FUNCTION__ or "" if `__func__' does not conform to 
  129: ANSI C.])
  130: elif test $ac_cv_cpp_func = no; then
  131:   AC_DEFINE(__func__,"",
  132:             [Define to __FUNCTION__ or "" if `__func__' does not conform to 
  133: ANSI C.])
  134: fi
  135: ])# AC_CPP_FUNC
  136: 
  137: AC_CPP_FUNC
  138: 
  139: 
  140: dnl Some basic configuration:
  141: AC_DEFINE([XML_NS], 1,
  142:           [Define to make XML Namespaces functionality available.])
  143: AC_DEFINE([XML_DTD], 1,
  144:           [Define to make parameter entity parsing functionality available.])
  145: AC_DEFINE([XML_CONTEXT_BYTES], 1024,
  146:           [Define to specify how much context to retain around the current parse point.])
  147: 
  148: AC_CONFIG_FILES([Makefile expat.pc])
  149: AC_OUTPUT
  150: 
  151: abs_srcdir="`cd $srcdir && pwd`"
  152: abs_builddir="`pwd`"
  153: if test "$abs_srcdir" != "$abs_builddir"; then
  154:   make mkdir-init
  155: fi