+
+# AC_PROG_NM - find the path to a BSD-compatible name lister
+AC_DEFUN(AC_PROG_NM,
+[AC_MSG_CHECKING([for BSD-compatible nm])
+AC_CACHE_VAL(ac_cv_path_NM,
+[if test -n "$NM"; then
+ # Let the user override the test.
+ ac_cv_path_NM="$NM"
+else
+ IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
+ for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
+ test -z "$ac_dir" && ac_dir=.
+ if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
+ # Check to see if the nm accepts a BSD-compat flag.
+ # Adding the `sed 1q' prevents false positives on HP-UX, which says:
+ # nm: unknown option "B" ignored
+ if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
+ ac_cv_path_NM="$ac_dir/nm -B"
+ break
+ elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
+ ac_cv_path_NM="$ac_dir/nm -p"
+ break
+ else
+ ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
+ continue # so that we can try to find one that supports BSD flags
+ fi
+ fi
+ done
+ IFS="$ac_save_ifs"
+ test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
+fi])
+NM="$ac_cv_path_NM"
+AC_MSG_RESULT([$NM])
+])
+
+# AC_CHECK_LIBM - check for math library
+AC_DEFUN(AC_CHECK_LIBM,
+[AC_REQUIRE([AC_CANONICAL_HOST])dnl
+LIBM=
+case "$lt_target" in
+*-*-beos* | *-*-cygwin*)
+ # These system don't have libm
+ ;;
+*-ncr-sysv4.3*)
+ AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
+ AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
+ ;;
+*)
+ AC_CHECK_LIB(m, main, LIBM="-lm")
+ ;;
+esac
+])
+
+# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
+# the libltdl convenience library, adds --enable-ltdl-convenience to
+# the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
+# is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
+# to be `${top_builddir}/libltdl'. Make sure you start DIR with
+# '${top_builddir}/' (note the single quotes!) if your package is not
+# flat, and, if you're not using automake, define top_builddir as
+# appropriate in the Makefiles.
+AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+ case "$enable_ltdl_convenience" in
+ no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
+ "") enable_ltdl_convenience=yes
+ ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
+ esac
+ LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
+ INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
+])
+
+# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
+# the libltdl installable library, and adds --enable-ltdl-install to
+# the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
+# is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
+# to be `${top_builddir}/libltdl'. Make sure you start DIR with
+# '${top_builddir}/' (note the single quotes!) if your package is not
+# flat, and, if you're not using automake, define top_builddir as
+# appropriate in the Makefiles.
+# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
+AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
+ AC_CHECK_LIB(ltdl, main,
+ [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
+ [if test x"$enable_ltdl_install" = xno; then
+ AC_MSG_WARN([libltdl not installed, but installation disabled])
+ else
+ enable_ltdl_install=yes
+ fi
+ ])
+ if test x"$enable_ltdl_install" = x"yes"; then
+ ac_configure_args="$ac_configure_args --enable-ltdl-install"
+ LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
+ INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
+ else
+ ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
+ LIBLTDL="-lltdl"
+ INCLTDL=
+ fi
+])
+
+dnl old names
+AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
+AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
+AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
+AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
+AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
+AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
+AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
+
+dnl This is just to silence aclocal about the macro not being used
+ifelse([AC_DISABLE_FAST_INSTALL])dnl
+
+
+# serial 1
+
+# @defmac AC_PROG_CC_STDC
+# @maindex PROG_CC_STDC
+# @ovindex CC
+# If the C compiler in not in ANSI C mode by default, try to add an option
+# to output variable @code{CC} to make it so. This macro tries various
+# options that select ANSI C on some system or another. It considers the
+# compiler to be in ANSI C mode if it handles function prototypes correctly.
+#
+# If you use this macro, you should check after calling it whether the C
+# compiler has been set to accept ANSI C; if not, the shell variable
+# @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
+# code in ANSI C, you can make an un-ANSIfied copy of it by using the
+# program @code{ansi2knr}, which comes with Ghostscript.
+# @end defmac
+
+AC_DEFUN(AM_PROG_CC_STDC,
+[AC_REQUIRE([AC_PROG_CC])
+AC_BEFORE([$0], [AC_C_INLINE])
+AC_BEFORE([$0], [AC_C_CONST])
+dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
+dnl a magic option to avoid problems with ANSI preprocessor commands
+dnl like #elif.
+dnl FIXME: can't do this because then AC_AIX won't work due to a
+dnl circular dependency.
+dnl AC_BEFORE([$0], [AC_PROG_CPP])
+AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
+AC_CACHE_VAL(am_cv_prog_cc_stdc,
+[am_cv_prog_cc_stdc=no
+ac_save_CC="$CC"
+# Don't try gcc -ansi; that turns off useful extensions and
+# breaks some systems' header files.
+# AIX -qlanglvl=ansi
+# Ultrix and OSF/1 -std1
+# HP-UX 10.20 and later -Ae
+# HP-UX older versions -Aa -D_HPUX_SOURCE
+# SVR4 -Xc -D__EXTENSIONS__
+for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+ CC="$ac_save_CC $ac_arg"
+ AC_TRY_COMPILE(
+[#include <stdarg.h>